Reinderman wins Batavia Tournament – live Blog Round 9

by Merijn van Delft

12:29 Welcome at the last round of the 2020 Batavia tournament! The last round started at 12:00 and we’ll give you some live updates every now and then. Dimitri Reinderman is leading the tournament with 6.5 out of 8, but nothing has been decided yet, as Tomasz Warakomski is trailing by half a point. Aljoscha Feuerstack (5 points) and Lawrence Trent (4.5 point) are the other main contenders for the first three prizes. We also have prizes for the best game (€150) and best endgame (€150). The jury for these prizes consists of grandmasters Erwin L’Ami and Peng, assisted by yours truly.

12:41 Edwin van Haastert unfortunately had to withdraw after seven rounds, as he has been ill all week. That means that Friso Nijboer has a free round today, but that did not prevent him from coming to Cafe Batavia anyway, most likely eager to play a bunch of blitz games. If this live blog is not up to date, you know who’s fault it is. As always, everyone is most welcome to visit the venue. The weather is really nice today and we are right across from Central Station.

12:45 According to Friso, all games are more or less balanced so far. Reinderman may be a tad better from an English opening against Trent, but the rest really looks balanced. Warakomski-Sukandar and Feuerstack-Zwirs are Anti-Sicilians, while Bosboom-Admiraal is a Sicilian with colours reversed.

15:38 Many people are gathering at Batavia by now, and indeed the many blitz games with Friso Nijboer happened and are still happening. On to the most important news: Dimitri Reinderman kept increasing the pressure and went on to beat Lawrence Trent. That means that with a very impressive 7.5 out of 9 Reinderman is the well deserved tournament winner. Congratulations!

15:41 Meanwhile, the position at Feuerstack-Zwirs remained balanced all along, the moves were repeated: draw.

16:02 The same result was reached at Warakomski-Sukandar, but after some cool action. The position looked a bit more pleasant for White, but Tomasz does not think that way: he lashed out the double-edged 24.g4!?. The position became rather complicated, with Black getting play against the white king. Eventually, that was good enough for a perpetual. That means Tomasz Warakomski clear second, Aljoscha Feuerstack clear third.

16:05 Miguel Admiraal and Manuel Bosboom both had a very rough tournament and in the final round played eachother. Miguel achieved a good endgame, which he converted convincingly. That means:

Final Ranking after 9 Rounds

Rk. SNo Name FED RtgI  TB1
1 7
GM Reinderman Dimitri NED 2582 7,5
2 5
GM Warakomski Tomasz POL 2501 6,5
3 8
IM Feuerstack Aljoscha GER 2459 5,5
4 1
GM Nijboer Friso NED 2469 4,5
IM Zwirs Nico NED 2443 4,5
IM Trent Lawrence ENG 2386 4,5
IM Sukandar Irine Kharisma INA 2408 4,5
8 9
IM Van Haastert Edwin NED 2438 3,0
9 4
IM Admiraal Miguoel NED 2501 2,5
10 6
IM Bosboom Manuel NED 2410 2,0

Noteboom 2020

Today is the last day of the 2020 edition of the Batavia tournament, but first we would like to mention the tournament organized by our friends in Leiden: the 80th edition of the Noteboom tournament, which is hosted by 125-year-old chess club LSG.

For this special occasion Karpov, Timman, Hübner en Nicolic are playing a rapid event:

Casper Schoppen and Arthur Pijpers are amongst the leaders in the main tournament.

Predrag Nikolić showing his win over Karpov. Photo: Lennart Ootes

Anatoly Karpov. Photo: Lennart Ootes

Report Round 8

by Fedja Zulfic


The 12th Batavia Tournament will be decided on the final day after the leaders won their penultimate games. The results leave Dimitri Reinderman in the lead on 6.5 with Tomasz Warakomski half a point back on 6.

Reinderman’s win today was far from straightforward. His opponent, Nico Zwirs, has played some good attacking chess in this event and had this position after 29…h6.

Warakomski beat Admiraal who is having a rough tournament. Admiraal was slightly better from the opening
In this position, White played 29.Nd3 after which Black won the b6-pawn and soon after the game
Instead, White would have better chances to hold after the interesting sacrifice} 29. Nxa6!? bxa6 30. b7 Qb8 31. e4 Rd7 32. exd5 Nd6 33. Qf4 Rd8 34. Qf6 Re8 35. Rb6 Nxb7 36. Qc6 Re7 37. d6 Qxd6 38. Qxd6 Nxd6 39. Rxd6 Ra7


The game concluded 29… Rxb6 30. Rxb6 Nxb6 31. Qc5 Qxc5 32. Nxc5 a5 33. Nxb7 a4 34. Nc5 a3 35. Kf1 a2 36. Nb3 f5 37. Ke2 Kg7 38. Kd3 Kf6 39. Kc3 Nc4 40. Na1 Kg5 41. Kb4 Kg4 42. Kc5 Kf3 43. Kxd5 Nd2 44. Ke5 Kxf2 45. Kf4 Nc4 0-1


Aljoscha Feuerstack moved to third place after he won an interesting game against Friso Nijboer. Black sacrificed a piece for the attack but White could win with accurate play from this position.

Lawrence Trent defeated Manuel Bosboom to continue his good tournament and move to clear fourth place, while Irene Sukandar had a walkover after Edwin van Haastert withdrew from the event.

Tomorrow’s final round begins at the earlier time of midday. Reinderman and Warakomski will both have White against two players in hot form – they play Lawrence Trent and Irene Sukandar respectively. It’s shaping up to be an exciting finish.

Report Round 7

By Dries Wedda

In the seventh round, tournament leader Dimitri Reinderman has lost his first game of the tournament to Friso Nijboer. Tomasz Warakomski, who was a point behind Dimitri Reinderman since he lost to him in round 2, did not manage to take advantage of this result, and should not complain to have drawn his game against Lawrence Trent. Nico Zwirs drew his game against Manuel Bosboom with the black pieces. As a result, there will not be any GM norms this year, contrary to the three IM norms during last year’s event.

Reinderman-Nijboer, 0-1

Early on, Reinderman got himself into trouble in the English. Nijboer had a lot of pressure for the mere cost of a pawn. After Nijboer regained his pawn, he won a superior rook endgame in clean fashion.

Bosboom-Zwirs, ½-½

In an unorthodox opening, both players manoeuvred for a bit and Zwirs ended up with a better position. After he made a small misstep the game ended in a repetition of moves.

Warakomski-Trent, ½-½

Trent opted for a sharp line in the Italian with Black and this paid off well for him. He got a few very good chances of winning, but in the end Warakomski defended an endgame until only bare kings were left.

Feuerstack-Van Haastert, 1-0

Feuerstack gained the bishop pair in the opening, after which Van Haastert had some issues to solve. Van Haastert opened up the position, but White’s bishop pair prevailed and Feuerstack won a good game.

Admiraal-Sakundar, 0-1

Admiraal opted for a quiet approach against the Sicilian, but this quickly backfired and he found himself with a significant space deficit. He sacrificed an exchange to defend a closed position. At the end of the day the extra material counted, and Sakundar won her game.

Report round 6

by Fedja Zulfic
The sixth round saw the players return to the Batavia Cafe (the fifth round was played at the Stadsarchief Amsterdam (Amsterdam City Archives) and this was followed a rest day). There was also a return to winning ways for Dimitri Reinderman, who played another nice game to end the norm chances of Edwin Van Haastert and move to 5.5/6.

Dimitri Reinderman

Polish GM Warakomski moved into clear second place with a win over Nico Zwirs. The Dutch player had a great position after the opening but failed to put his opponent to the sword and his opponent managed to turn the game around. Zwirs is the last player with chances for a norm but now needs three points from his last three games, a tough ask.

Lawrence Trent attacked again and won again, defeating Miguoel Admiraal. The game ended quickly after Dutchman overlooked his queen but the position was lost anyway.

Lawrence Trent

Irene Sukandar also won a nice attacking game, bouncing back against Aljoscha Feueurstack to end his norm chances.

Finally, Friso Nijboer was much better for almost the whole game against Manuel Bosboom but blundered one of his exchanges back just before the time control. Even so, the endgame was still winning, but White could not play with the exact precision required and allowed Black to escape with a draw.

Legendary Geurt Gijssen paid a visit to the tournament

All photos:

Report round 5

By Kedem Gutkind

Today was another bloody day at the office as only a single game was drawn. After 4 rounds Reinderman was still on 100% and today he had the white pieces against Feuerstack; who has been having a decent tournament so far being on +1. As we have might have concluded from the previous rounds in this tournament having the white pieces does not mean you are safe. Reinderman soon experienced this in person.

The 5th round was played in the Stadsarchief. Photo: Bas Beekhuizen

Reinderman,Dimitri (2582) – Feuerstack,Aljoscha (2459)

1.c4 c5 2.e3 Nf6 3.Nf3 g6 4.d4 cxd4 5.exd4 d5 6.cxd5 6.Nc3 Is the more common move

6…Bg7 7.Bb5+ Nbd7 7…Bd7 This move would be inaccurate as white can retreat 8.Bc4 Suddenly the black bishop on d7 finds itself in an awkward position as it blocks the black queen and the knight on b8 8…Bf5 Now white has won a tempo in comparison to a position in which he would have played Bc4 right away

8.d6 exd6 9.0–0 0–0 10.Nc3 a6 11.Bxd7 Reinderman is the first player with a rating over 2300 to go for this exchange

11.Bd3 Has been played before

11…Bxd7 12.Bg5 Qa5 13.d5 b5 14.Qd2 b4 15.Bxf6 Bxf6 16.Ne4 Bg7 17.Nxd6° White managed to win a pawn, but black has more than enough compensation with his bishop pair and his ability to easily attack and blockade the d-pawn

17…Qc7 18.Ne4 Rfd8 19.Qxb4 19.d6 Qb8 20.Rad1 Bc6 21.Rfe1 Ra7 Illustrates the compensation very well. Black can regain the pawn in a couple of moves. 22.Qf4 Rad7 23.h3 Bxe4 24.Rxe4 Rxd6 25.Rxd6 Rxd6 26.Rxb4 Rd1+ 27.Kh2 Qxf4+ 28.Rxf4 Bxb2=; 19.Rad1 Qa5 20.Qf4 Bf5 21.d6 Qxa2 22.Rd2 Bxe4 23.Qxe4 Qe6 24.Qxe6 fxe6 25.Ng5 Bh6 26.f4 Bxg5 27.fxg5 a5 28.Rf6 e5 29.Re6 Re8 30.Rxe8+ Rxe8 31.Rd5 Rd8 32.Rxa5 Rxd6 33.Rxe5 Rd2=

19…Bf5 20.d6 Qc6 21.Ng3 Bd3 22.Rfd1 Rab8 23.Qe1 23.Nd4 Qxd6 24.Qxd6 Rxd6 25.Rxd3 Rxd4 26.Rxd4 Bxd4 27.Rd1 Bxb2 28.Nf1 Kg7 29.g3= The endgame is a bit more pleasant to play as black. However, it should be a draw.

23…Qxd6 24.Rd2 Bh6 25.Rdd1 Bg7 26.Rd2 Bh6 27.Rdd1 Offering a draw

27…Rxb2 Black correctly plays on, his position is dominant

28.Ne5 Re8 29.Qc3? 29.Rxd3 Was necessary 29…Qxe5 30.Qxe5 Rxe5

29…Qxe5 30.Qxd3

30…Qf4 30…Rxf2!! 31.Kxf2 Be3+ 32.Ke1 Qf4 33.Qe2 Bf2+ 34.Kf1 Rxe2 35.Kxe2 Bb6 36.Rdc1 (36.Kd3 The lasting initiative eventually leads to a win. 36…Qd4+ 37.Kc2 Qc4+ 38.Kd2 Ba5+ 39.Ke3 Qc3+ 40.Ke2 Bb6 41.Nf1 Qc4+ 42.Kd2 Qe4 43.Kc1 Ba5 44.Nd2 Qe3 45.Kc2 Qc3+ 46.Kb1 Qd3+ 47.Kc1 Bxd2+ 48.Rxd2 Qc3+) 36…Qe3+ 37.Kd1 Qg1+ 38.Kc2 Qxh2 39.Nf1 Qxg2+ 40.Nd2 Ba5 41.Rd1 h5 and black is winning

31.Qf3 Qxf3 32.gxf3 Rc8 33.a4 Rcc2 33…Rc3! 34.Kg2 Rcc2 Leading to a better version of the game 35.Rd8+ Kg7 36.Rf1 Ra2 37.Ne4 Rxa4 38.Rb1 Bf4 39.Rb7 Ra5 40.Rdd7 Rf5

34.Rd8+ Bf8?! 34…Kg7 35.Ne4 Bf4

35.Ne4 f5?= giving up the advantage

36.Ng5 Rxf2 37.Ne6 Rg2+ 38.Kf1 Rgf2+ 39.Kg1 Rg2+ 40.Kf1 Kf7 41.Nxf8 Rxh2 42.Kg1 Rhg2+ 43.Kh1 Rh2+ 44.Kg1 Rhg2+ 45.Kh1 Rh2+


An exciting draw in which black was on top in most of the game. Now we will take a look at the players who are trailing Reinderman by just a point.

Photo: Bas Beekhuizen

Admiraal,Miguoel (2501) – Zwirs,Nico (2443)

1.d4 d5 2.Nf3 Nf6 3.c3 g6 4.Bf4 Bg7 5.e3 0–0 6.Nbd2 b6 7.h3 Bb7 8.Bd3 c5 9.0–0 Nc6 10.Qe2 Nd7 11.Rad1 Qc8 12.Bh2 Re8 13.e4 e6 14.Rfe1 Sacrificing a pawn

14…a5?! Leaving a big hole on b5

14…cxd4 15.cxd4 Nxd4 16.Nxd4 Bxd4 17.Rc1 Qd8 18.Bb5 Threatening Rc7 18…Rc8 19.Rxc8 Qxc8 20.Nb3 Bc5 21.Nxc5 bxc5 22.exd5 Bxd5 23.b3 White has sufficient compensation as he controls the dark squares and the black pieces are not coordinating so well (yet) 23…Bc6 24.Rd1 Nf6 25.Be5 Nd5 26.Rc1°

15.Bb5 White emerged with an advantage out of the opening

15…Na7 16.exd5?! 16.Bxd7 Qxd7 17.dxc5 bxc5 18.Nb3 Hitting two pawns 18…Rec8 19.Nxa5±

16…Nxb5 17.dxe6 Nxc3 18.exf7+ Kxf7 19.Ng5+ 19.Qc4+ Bd5 20.Qxc3 cxd4 21.Rxe8 dxc3 22.Rxc8 Rxc8 23.bxc3 Rxc3 24.Nf1 Bc6 25.Ne3 Was more resilient

19…Kg8 20.Qxe8+ Qxe8 21.Rxe8+ Rxe8 22.bxc3 cxd4 23.cxd4 Black has reached a comfortable position in which his bishop pair gives him an advantage in the endgame

23…Bd5 24.a3 Bf8 25.Nb1 Ba2 26.f3 Bxb1 27.Rxb1 Bxa3 28.Ne4 Rc8 29.Rb5 Kf7 30.Kf2 Rc2+ 31.Ke3 Rxg2 32.Bc7 Rb2! Liquidating into a winning position

33.Rxb2 Bxb2 34.Nd6+ Ke6 35.Nc4 Bc1+ 36.Kd3 a4 37.Nxb6 Nxb6 38.Bxb6 Kd5 39.Kc3 a3 40.Kb3 Bb2 41.Bc5 h5 42.h4 Bc1 43.Bb6 g5 44.hxg5 Bxg5 A strong technical game by Nico, putting him on 3.5 points


The other player trailing Reinderman by a single point is Warakomski who won a game in which he was worse for most of the middlegame until the queens were exchanged.

Photo: Bas Beekhuizen

Warakomski,Tomasz (2501) – Nijboer,Friso (2469)

1.e4 c6 2.Nc3 d5 3.Nf3 Bg4 4.h3 Bxf3 5.Qxf3 e6 6.d3 Nd7 7.Bd2 Bc5 8.Qg3 Bd4 9.Be2 Ne7 10.f4 a5 11.Nd1 0–0 11…dxe4! 12.dxe4 Nc5 13.Qf3 f5 14.exf5 Nxf5 The white pieces are very passive 15.h4 0–0

12.c3 Bb6 13.Nf2 f5 14.e5 d4 15.c4 a4 16.0–0 Ba5 17.Bc1 b5 18.Rd1 Nc5 19.Qf3 Qb6 20.Rb1 Ra7 21.Kh1 Rd8 22.Bf1 Rad7 23.Kh2 Na6 24.h4 Nb4 25.a3 Na6 26.h5 h6 27.g4 Nc5 27…bxc4! Was the first moment opening the position would have lead to a large advantage 28.dxc4 fxg4 29.Nxg4 Nc5 30.Bh3 Nf5–+

28.Bh3 bxc4 29.dxc4 Rf8 29…Qa6 targetting the c4 pawn 30.Bf1 fxg4 31.Qxg4 Nf5 32.Qg6 Rf7–+

30.Bd2 Qb3?? Giving up an important attacking piece (the queen) but more importantly it is also giving up the beautiful c5 outpost of the knight which is limiting the knight on f2.

30…Bxd2 31.Rxd2 fxg4 32.Bxg4 Nf5–+ and black is again completely dominating

31.Qxb3 Nxb3 32.Bxa5 Nxa5 33.Nd3 fxg4 34.Bxg4 Nf5 35.Nc5 Re7 36.Bxf5 Rxf5 37.Rxd4 Rxh5+ 38.Kg2 g5 39.Rh1 Rxh1 40.Kxh1 gxf4 41.Nxa4 f3? 42.Kg1 42.b4! Rf7 43.Kg1 Nb3 44.Rd3 f2+ 45.Kf1 Nc1 46.Rg3+ Kh7 47.Nc5+–

42…Rg7+ 43.Kf2 Rg2+ 44.Kxf3 Rc2 Seeking active counterplay

45.Ke3 h5 46.Kd3 Rg2 47.Rh4 Rg3+ 48.Kc2 Kf7 49.b4 Rg2+ 50.Kd1 Nb3 51.Rxh5 Rd2+ 52.Ke1 Ra2 53.Rh4 Rxa3 The active play has brought black back from the dead into a position with good drawing chances

54.Nb6 c5 54…Kg6 55.Rf4 Kg5 56.Rf6 Nd4 and black is ready to pressure the b4 pawn next 57.Kd2 Rb3 58.Nd7 Nf3+ (58…Rxb4?? 59.Kc3+–) 59.Kc2 Nd4+=

55.b5 Nd4 56.Re4 Ke8 57.Nc8 Nf5 58.Rg4 Kd7 59.Nd6 Re3+ 60.Kd2 Rxe5 61.Ne4 Kc7 62.Kd3 Kb6?? The last blunder of the game after which there is a narrow path to victory

62…Nd4 Not allowing the pin was essential 63.Rg8 Nxb5 64.cxb5 c4+ 65.Kd4 Rxb5 Leading to a theoretical draw

63.Rg5 63.Rg8 Kc7 64.Ra8 Nd4 65.Ra6 The reason it does not work without the check is that black can liquidate to a draw 65…Nxb5 66.cxb5 c4+ 67.Kd4 Rxb5

63…Ka5 64.Rg1 64.Rg8! Is the winning move 64…Ne7 (64…Kb6 Now black is not in time to put his knight on d4 65.Ra8 Kc7 66.Ra7+ Kb6 67.Ra6+ Kb7 68.Rc6; 64…Nd4 65.Ra8+ Kb6 66.Nxc5 Kxc5 67.Rc8+ Kb6 68.Kxd4 Re1 69.Rc6+ Kb7 70.Kc5+–) 65.Ra8+ Kb6 66.Ra6+ Kc7 67.Ra7+ Kd8 68.b6 Nc6 69.Ra8+ Kd7 70.Nf6+ Ke7 71.Rc8 Nb4+ 72.Kd2! Only move (72.Kc3 Kxf6 73.b7 Na6 74.Ra8 Re3+ 75.Kb2 Re2+ 76.Kb3 Re1= And black draws) 72…Kxf6 73.b7 Na6 74.Ra8+–

64…Nd4 64…Ne7 65.Ra1+ Kb6 66.Ra6+ Kc7 67.Ra7+ Kd8; 64…Kb6 65.Rg5 (65.Ra1 This again does not work. As black is in time to reach the drawing setup that liquidates into knight and rook vs rook 65…Nd4 66.Ra6+ Kc7 67.Nxc5 Nxb5 68.Nxe6+ (68.Ne4 Rf5 Black can just leave his knight en prise) 68…Kd7 69.Nf8+ Ke8 70.cxb5 Rxb5) 65…Ka5 Was best

65.Nxc5 Nxb5 Now it does not work

66.Ra1+ Na3 67.Kd4


Photo: Bas Beekhuizen

Meanwhile the game between Bosboom and van Haastert was swinging. It seemed van Haastert achieved a very good position but Bosboom managed to complicate matters enough objectively. In the end, he came just short of holding the draw.

Bosboom,Manuel (2410) – Van Haastert,Edwin (2438)

1.Nf3 d5 2.g3 Nf6 3.Bg2 c6 4.b3 Bg4 5.Bb2 Nbd7 6.d3 e6 7.Nbd2 Be7 8.c4 0–0 9.0–0 a5 10.a3 Re8 11.Qc2 Bf8 12.Rae1 Bh5 13.Nh4 e5 14.Kh1 Nc5 15.Ndf3 d4 16.Rb1 Nfd7 17.Bc1 f6 18.h3 Qc7 19.Nf5 Bf7 20.b4 axb4 21.axb4 Na6 22.Bd2 c5 23.b5 Nb4 24.Qb3 Ra5 25.e3 dxe3 26.Nxe3 Rxb5 Black won a pawn, but at the cost of having his rook misplaced.

27.Nd5 Bxd5 28.cxd5 Bd6 29.Rfc1 Qd8 30.h4 30.Qc4 blockading

30…Nf8 31.h5 Ra5 32.Nh4 32.h6 g6 33.d4 exd4 34.Nxd4 Qd7 35.Kg1 Rea8 36.Qc4 b5 37.Qf1± White is getting ready to infiltrate on the light squares

32…Qd7 33.Be4 Rea8 34.Nf5?? Ra3! 35.Qd1 Nxd3 36.Be3 Nxc1 37.Qxc1 R3a4 38.Qc2 Ra1 39.Rxa1 Rxa1+ 40.Kg2 b6 41.Qb3 Qc7 42.Bd3 g6 43.Nh6+ Kg7 44.Ng4 Nd7 45.Bh6+ Kf7 46.hxg6+ hxg6 47.Qc2 e4?? 48.Bxe4 Ne5 49.Nxe5+ Bxe5 50.Bxg6+ 50.f4! draws 50…Bd4 51.Bxg6+ Kg8 52.Qf5 Re1 53.Qg4

 Kh8 54.Qh5 Kg8 55.Qg4=

50…Ke7 51.f4 Qd7 51…Qa7! Targets the white king 52.Qe4 Qa6 53.d6+ Kd8 54.Kh3 Qf1+ 55.Kg4 Qd1+ 56.Kf5 Bxd6 57.Qc6 Qd4 58.Qxb6+ Bc7 59.Qxf6+ Qxf6+ 60.Kxf6 c4 61.Ke6 c3 62.Bg7 Ra6+ 63.Kf7 Rc6 64.Bf6+ Kd7 65.Bc2 Rc4 66.g4 Rxf4 67.Bf5+ Kd6 68.Bxc3=

52.Be4?? 52.fxe5 Qxd5+ 53.Be4 Qxe5 54.Bf3 Qe6 55.Qh7+ Ke8 56.Qg6+ Ke7 57.Qh7+ Kd8 58.Qd3+ Ke7=

52…Bd4 53.Bf3 Kd6 53…Kd8! 54.g4 Qb5 55.Kg3 Ra3–+

54.Bf8+ Kc7 55.d6+ Kb8 56.g4 f5 57.g5 57.Qxf5 Leads to a drawing line in which the white king is running (with success) for his life 57…Qb5 58.Kg3 Qf1 59.Kh4 Qxf3 60.d7 Rh1+ 61.Kg5 Kc7 62.Be7 Rh8 63.d8Q+ Rxd8 64.Bxd8+ Kxd8 65.Qf8+ Kc7 66.Qf7+ Kc6 67.Qe8+ Kc7 68.Qe7+=



Meanwhile Trent succeeded in attacking in AlphaZero style and thus scored his first win of this tournament.

Photo: Bas Beekhuizen

Trent,Lawrence (2386) – Sukandar,Irine Kharisma (2408)

1.Nf3 Nf6 2.c4 c5 3.Nc3 g6 4.g3 Bg7 5.Bg2 0–0 6.d3 Nc6 7.Bd2 a6 8.Qc1 Rb8 9.Bh6 b5 10.h4 Attacking the black king immediately

10…bxc4 11.Bxg7 Kxg7 12.h5 Rh8 13.h6+ Kf8 14.dxc4 d6 15.b3 Bb7 16.Ng5 Nd4 17.Bxb7 Rxb7 18.e3 Nc6 19.Qd2 Qd7 20.Rh4 Qf5 21.e4 Qd7 22.0–0–0 Nd4 23.Qb2 Seems to be the one mistake in the game that allowed a (computer) defence


23…Qd8 23…Ng4! 24.Ne2 (24.Nd5 f6 25.Rxd4 cxd4 26.Qxd4 Nxh6 27.Rxh6 Kg7 28.Rh2 e5 29.Qd2 fxg5 30.Qxg5 h5„) 24…e5 25.Nxd4 cxd4 26.Qe2 Nf6 27.f4

24.f4 Nh5 25.e5 Nxg3 26.Qg2 Qa5 27.Qxg3 Qa3+ 28.Kd2 Qb2+ 29.Ke1 Nf5 30.Rh2 Qa3 31.Qf3 Qb4 32.Rh3 Rb8 33.Kf1 Qa5 34.Kg1 dxe5 35.Qd5 A very strong game by Trent in which he dominated throughout


Report Round 4

GM Dimitri Reinderman kept his perfect score in the fourth round, and now enjoys a 1.5 point lead with five rounds to go. In 2013 he finished in fourth place after losing in the final two rounds, but in 2015 the grandmaster from Hoorn reigned supreme with an undefeated 7.5/9. He could well be scoring his second tournament win here in Cafe Batavia.

Dimitri Reinderman

Another tournament victory on the horizon for Dimitri Reinderman?

Today was a fairly easy affair for the tournament leader, who reached a comfortable position right out of the opening and then refuted two early mistakes from his opponent.

IM Irene Sukandar—who is known as “Irine” on the FIDE website and even in her passport, but that’s because a typo was made when her birth was registered as she revealed today!—said she had expected “some kind of Sicilian.” Therefore, she had spent most of her preparation on that, and less time on the Philidor.

Her opening was OK (though not a critical test), but having to play with an “Irish pawn center” (the tripled f-pawn) wasn’t great, and giving up three of them so quickly wasn’t ideal either. The game was over in less than three hours.

Irene Sukandar

Irene Sukandar moving her king’s pawn up the board.

Soon after, IM Manuel Bosboom had to throw in the towel as well. The Dutch IM can easily be called a legend for all the amazing games he has played over his career, but it’s getting more and more difficult for him to get away with his creativity. Today he never even survived the opening as IM Aljoscha Feuerstack blew him away with simple, healthy moves.

Feuerstack vs Bosboom

Feuerstack and Bosboom starting their game.

IM Edwin van Haastert seemed to be having a solid, long-term plus in his game with IM Tomasz Warakomski. (This author thought he was hearing Radek Wojtaszek speak, during the post-mortem. That Polish accent is quite elegant!)

Asked whether his 12.Ng3 and allowing that doubled g-pawn was known, Van Haastert replied: “Well, not really… I spent 36 minutes on 7.Be2 in the opening as I had forgotten everything.”

At first Black hardly had any counterplay, but at the right moment Warakomski decided to go for a pawn break on the kingside. Then and there Van Haastert should have thrown in b4-b5 without preparation, which he could have done three times.

As it went, Black came first and decided the game with a nice combination.

Tomasz Warakomski

A pretty finish by Tomasz Warakomski.

IM Nico Zwirs won an excellent game against IM Lawrence Trent, who praised several of his opponent’s moves in the post mortem. White’s “sweet little thing on a5” (Dutch readers will get the Donner reference) was the main reason for White’s lasting advantage in this game, and it seemed that Zwirs had dominated from start to finish.

However, Black could actually have drawn the endgame at one moment.

Zwirs Trent

Trent spent a few minutes on his first move, as he hadn’t yet decided what to play.

The longest game saw a very surprising result, as IM Miguoel Admiraal managed to lose an endgame that was almost impossible to lose.

The fun started in the opening actually, as GM Friso Nijboer chose one of the sharpest possible systems in the Advance Caro-Kann: 4.h4 and 5.c4. For a while, the game Firouzja-Artemiev, Wijk aan Zee 2020 was followed but the Dutch GM wasn’t aware. His comment after the game, knowing he had been in trouble: “You cannot play a variation like this if you don’t know everything about it!”

Admiraal was two pawns up for little compensation, and still had the better chances after sacrificing an exchange that removed most of the danger against his king.

In the endgame, he missed a study-like win, but OK. It can happen. But later, he just couldn’t accept the draw, played on for a win perhaps too long and a final winning attempt turned out to be a (successful) losing attempt.

Miguoel Admiraal

What a disaster for Miguoel Admiraal…

Minutes after the game Admiraal had left the building, but he soon returned and joined the blitz fun in the cafe for a bit. Nobody can stay angry for long at Batavia.

Yochanal Afek Batavia

IM Yochanan Afek came by today and showed lots of amazing endgame studies.

Report round 3

By Kedem Gutkind

Going into the third round of the Batavia Chess Tournament 80% of the games had been decisive so far. In order to maintain this percentage 4 games today would have to be decisive. The tournament features only one player who is on a 100% (2/2) score so far; Dimitri Reinderman. We will start by taking a look at his game and see if he can maintain his perfect score.

Manuel Bosboom during the Hand & Brain. Photo: Bas Beekhuizen

Bosboom,Manuel (2410) – Reinderman,Dimitri (2582)

1.c4 g6 2.Nf3 Bg7 3.Nc3 c5 4.h4 From an early stage of the game Bosboom is showing that he is not afraid to challenge the tournament leader and is immediately aiming at an attack on the black kingside. The strategy of pushing the h-pawn early is recently back into fashion after being popularised by AlphaZero and can be seen in many top games.

4…Nf6 5.a3 Bosboom is taking some liberties in the opening. By pushing both his a and h pawns he is neglecting his development for the time being.

5…Nc6 6.b4?! cxb4 6…d5 Would be a thematic in order to open the position as much as possible since white has so far neglected some development

7.axb4 Nxb4 However, nothing is wrong with the pawn-grab

8.Qb3 Nc6 9.Bb2 0–0 10.e3 d6 Black has achieved a better position out of the opening. His king is safer, he is ahead in development and is a pawn up. In the meantime, it is hard to imagine where the white king will find shelter in the future with pawns having moved on both wings.

11.h5? One should credit Bosboom for his ultra-aggressive approach against the tournament leader in which he seems fearless. However, with more objectivity this move seems premature in the current position. Black already has a better position and white is intending to further sacrifice material for the initiative. Although different moves might be stronger Bosboom is consistent in his attacking and enterprising play/

11.Be2 A normal development move seems more logical. Yet the question remains where to put the white king. In case of putting it on the kingside one may wonder if the h4 push was worth a tempo in the opening.

11…Nxh5 Correctly not being afraid of the exchange sacrifice

12.Rxh5? gxh5 13.Be2 e5 14.Nd5 b6 15.g3 Ne7 Challenging the strong knight on d5 and due to the material advantage every exchange will bring black closer to a win.

16.d4 Trying to add some fuel to the flames, as not much was achieved so far by the sacrifice of material

16…e4–+ 16…Nxd5 17.cxd5 e4 18.Nd2 h4 19.Nxe4 Bf5 20.Nd2 hxg3 21.fxg3 Re8–+

17.Nh4 Nxd5 18.cxd5 Bf6 19.Ng2 Bg4 20.Bb5 h4 21.gxh4 Bf3 The white king turns out to be less safe than his black counterpart.

22.Nf4 Bxh4 23.Kd2 23.Bc6 Bxf2+ Is the main threat. White cannot capture on account of a mating attack. 24.Kd2 (24.Kxf2 Qh4+ 25.Kf1 Kh8 Getting ready to use the last piece for the attack 26.Qc2 Rg8 Mate follows as a result of Qh1–Qh2–Rg1. See diagram 1)

23…Bxf2 24.Ba3 Qf6 25.Rf1 Bh4 26.Bc6 Rad8 27.Ne6 Desperately trying to confuse matters

27…fxe6 28.dxe6 Kh8 29.Bxe4 Qg7 30.Rxf3 Qg2+ 31.Kd3 Rxf3 32.Bxf3 Qxf3 Black calmly defended and is now a rook up

33.d5 Bf6 34.Kd2 Qf2+ 35.Kd1 Rg8 With mate following very soon. Reinderman maintained his perfect 100% score with a smooth black win.


The great score with black so far remains. Let us take a look at one of the few examples so far in which white managed to strike back.

Photo: Bas Beekhuizen

Zwirs,Nico (2443) – Sukandar,Irine Kharisma (2408)

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Nf6 6.Nc3 d6 So far the round 1 game of Nijboer-Sukandar was followed

7.f3 The first deviation from the round 1 game

7…Nxd4 8.Qxd4 Bg7 9.Be3 0–0 10.Qd2 Be6 11.Rc1 Qa5 12.b3 Rfc8 13.Be2 Rab8 Following a pet line of Zvjaginsev

13…a6 14.Na4 Qxd2+ 15.Kxd2 Nd7 16.g4 f5 Is how Guseinov approaches this line

14.Nd5 Qxd2+ 15.Kxd2 Nxd5 16.cxd5 Bd7 17.Bxa7 Rxc1 18.Rxc1 Ra8 19.Be3N The first new move and what seems to be the strongest move in the position

19.Rc7 Was previously played

19…Rxa2+ 20.Kd1 Ra1 21.g4 f5?! This creates an unfavourable pawn transition for black in which white will soon have an outside majority on the kingside. Resulting in a potential outside passed pawn in a later stage of the endgame.

21…Rxc1+ 22.Bxc1 h5

22.Rxa1 Bxa1 23.exf5 gxf5 24.g5 Kf7?! This unfortunate square no longer allows black to stop white from achieving h4–h5 with the ability to create a passed pawn.

24…Bc3 Allows black to stop white from getting his pawn to h5. The idea of this move is that if white plays Kc2 black can respond with Be1 stopping the h-pawn by controlling h4 25.h4 Be8 26.f4 Bf7 27.Bf3 h5 Black manages to stop the white play on the kingside

25.h4 e5 26.dxe6+ Bxe6 27.Kc2 Bd5 28.h5 Be5 29.f4 Here black missed the last chance to somewhat maintain the balance

29…Bh8 29…Be4+! Not allowing an exchange of the light squared bishops without getting connected passed pawns which would stop the white king from winning the game in case all bishops are exchanged. 30.Bd3 Bh8±

30.Bc4 Now white manage to exchange this bishops after which he will use his dark squared bishop to challenge his black counterpart. The remaining endgame will result in a win as the constant thread of creating a passed pawn limits the black king in his movements while the white king can go escort his pawns to becoming a new queen.

30…Ke6 31.Kd3 b5 32.Bxd5+ Kxd5 33.Bd2 Bb2 34.Bc3 Bc1 35.g6 hxg6 36.h6 Nico Zwirs won a nice technical game as the pawn is unstoppable


Trent,Lawrence (2386) – Nijboer,Friso (2469)

1.d4 Nf6 2.Nc3 d5 3.Bf4 Just like in round 1 Trent took another chapter from the Jobava book and aimed for a creative position from the opening.

3…Bf5 4.f3 e6 5.g4 Bg6 6.h4 h6 7.e3 Nc6 A rare move, but one that has no direct refutation. It may have been played by Nijboer in order to get his opponent out of book.

8.Bd3 Bxd3 9.Qxd3 Bd6 10.Nge2 Qe7 11.0–0–0 0–0–0 12.Kb1 Kb8 13.Bxd6 Qxd6 14.Na4 e5 15.Nec3 exd4 16.exd4 Nb4 17.Qd2= So far the balance was held by both players.

17…Na6 18.Nb5 Qb4 19.Qxb4 Nxb4 20.c3 Nc6 21.Nc5 b6 22.Nd3 Rde8 23.Nf4 Nd8 24.g5 Nd7 25.Na3 c6 26.Rhe1 Rxe1 27.Rxe1 hxg5 28.hxg5 Kc7 28…g6 Black can aim for a position with a pawn more or for a position in which his pieces are more dominant than the white counterparts. 29.Nc2 Rh4 30.Nd3 Ne6 31.f4 (31.Rg1 Rh3 32.Nce1 c5 Black stands better as a result of his better coordinated pieces) 31…Nxf4 32.Ncb4 Nxd3 (32…Kc7 33.Re7 Nxd3 34.Nxd3 and white wins back the f7 pawn due to the threat of Ne5) 33.Nxd3 Re4 34.Rf1 Re7³ White is more actively, but black is a pawn up (which is blockaded well)

29.g6 Rh4 29…Rf8 30.Re3 a6 31.gxf7 Rxf7 32.Nd3 Kd6³

30.Nd3 Rh3 31.Kc2 fxg6 31…Rg3 Was again a chance for an advantage 32.gxf7 Rxf3 33.c4 dxc4 34.Nxc4 Rxf7

32.Re7 Kd6 33.Rxg7 Ne6 34.Rxg6 Rxf3 35.Nb1 Rf6 36.Rxf6 and the balance was held


Photo: Bas Beekhuizen

Warakomski,Tomasz (2501) – Feuerstack,Aljoscha (2459)

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 Qe7 6.d3 Nf6 7.Bg5 Nbd7 8.c4 h6 9.Bd2 Nc5 10.Qxe7+ Bxe7 11.b4 Na4 12.Nc3 Nxc3 13.Bxc3 0–0 14.0–0–0 Re8 Black seems to be more comfortable out of the opening as the white pawns on the queenside might be overexposed in the future.

15.Re1 Bd7 16.Be2 d5 17.Nd2 d4 17…Bf5 It was possible to maintain some more pressure 18.Bf3 Rad8

18.Bxd4 Bxb4 19.Bf3 Red8 20.Re3 Ng4 21.Bxg4 Bxg4 22.Nb3 Bf5 22…a5 Winning more space on the kingside and potentially limiting the white king his breathing space in the future

23.Kc2 b5 24.cxb5 c6!? White defended well

24…a6! 25.bxa6 (25.Kb2 Rd5 26.Rc1 Bd6 27.bxa6 Rxa6 28.Bc5 Bf4 29.Re8+ Kh7 30.Be3 Bd6 31.Bc5 Rxd3 32.Bxd6 cxd6) 25…Rxa6 26.Kb1 Be6 27.Bb2 Rda8 28.Nc1 Bd5 29.f3 f6 The black bishops are dominating

25.bxc6 Rac8 26.Kb2 Rxc6 27.Rc1 Rxc1 28.Kxc1 a5 29.Bc5 Rc8 30.d4 a4 31.Kb2 axb3 31…Rb8 32.Kc1 Bxc5 33.Nxc5 Rb1+ 34.Kd2 Rb2+ 35.Kc3 Rxf2

32.Bxb4 bxa2 33.Kxa2 Rc2+ 34.Ka3 Rxf2 35.Rf3 Rxf3+ 36.gxf3= Bh3 37.f4 f6 38.Kb3 Be6+ 39.Kc3 Kf7 40.Kd3 f5 41.Ke3 Bd5 42.Bd6 g6 draw was agreed


Admiraal,Miguoel (2501) – Van Haastert,Edwin (2438)

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e4 Bb4 5.d3 d6 6.a3 Bxc3+ 7.bxc3 0–0 8.g3 Ne8 9.Nh4 Ne7 10.Bg2 c6 11.0–0 f5 12.exf5 Nxf5 13.Nxf5 13.Nf3 it was possible to keep on the knights in order for white to create more pressure on the black pawn on e5 13…Nf6 14.c5 e4 15.dxe4 Nxe4 16.cxd6 Nfxd6 17.Re1 Qf6 18.Bf4

13…Bxf5 14.f4 Qd7 15.Ra2 Nf6 16.fxe5 dxe5 17.Bg5 h6 18.Bxf6 Rxf6 19.d4 Bg4 20.Qd3 Rxf1+ 21.Bxf1 Re8 22.Rf2 e4 23.Qe3 Bf3 24.c5 b6 25.cxb6 axb6 26.Rb2 Qa7 27.c4 c5 28.d5 Qc7 29.Rd2 Qd6 30.Bh3?! 30.Bg2 Aiming for the exchange right away

30…Kh8 31.Rf2 Qe5 32.Bg2 32.d6 The only move to maintain the balance according to the silicon machine. The d-pawn keeps the black pieces busy enough that they don’t establish the right pressure on the white setup.

32…Bxg2 33.Kxg2 Qd4 34.Qe2 b5!! Aiming for a winning transposition to the endgame

35.cxb5 Qxd5? 35…e3!–+ 36.Rf3 (36.Rf1 Qxd5+ 37.Kg1 c4 38.a4 Qd2 39.Re1 c3–+) 36…Qxd5 37.b6 c4 The black passed pawns are decisive

36.Qe3 c4 37.a4? This move allows black to win the a-pawn

37.b6! c3 38.Rc2 Rc8 39.a4=

37…c3 37…Qd3! 38.Re2 Qd1 Threatening both c3 and Qxa4

38.Rc2 Rc8 39.b6 Qb3 40.Qxe4 Qxb6 41.h4 Qa6 42.h5 Rf8 43.Rf2 Rxf2+ 44.Kxf2 Qc8 45.Qc2 Qc5+ 46.Ke2 Qxh5+ 47.Kd3 Qf3+ 48.Kc4 Qxg3 49.Qxc3 Qg4+ 50.Kb5= Qd7+ 51.Qc6 Qd3+ Although black is a pawn up he is not winning in this position due to the advancement of the white pawn. Black cannot exchange queens as otherwise the white pawn promotes first.

52.Kb6 Qd4+ 53.Kb7 Qb4+ 54.Qb5 Qe4+ 55.Qc6 Qb4+ 56.Qb5 Qe4+


Reinderman is currently one point ahead of Van Haastert after three rounds. Let us hope that the fighting spirit of the participants remains as it has been so far, resulting in many decisive games with very enterprising chess.

Report Round 2

by Fedja Zulfic

Round two of the 12th Batavia tournament saw more fighting chess. Friso Nijboer and Nico Zwirs were looking to bounce back from their abrupt first-round losses and fought out a crazy game where White sacrificed a piece for three pawns and later had a rook for six pawns, while we had three more decisive games.

Friso Nijboer

Nijboer – Zwirs
Dimitri Reinderman was the only player to reach 2/2 with his win over fellow first-round winner, Polish GM Tomasz Warakomski.

Reinderman – Warakomski

Dimitri Reinderman

In the other games, Miguoel Admiraal won a complicated game against Aljoscha Feuerstack, Manuel Bosboom’s king became surprisingly active with six pieces still on the board to help him win his game against Irene Sukandar while Edwin van Haastert drew with Lawrence Trent in a Ruy Lopez to move to 1.5/2 and maintain his GM-norm chances.

12th Batavia Chess Tournament – day 1

By Kedem Gutkind

The first round of the 12th edition of the Batavia Chess Tournament illustrated the fighting spirit that all participants brought to the tournament from the very beginning. This round was filled with excitement as we saw tactical skirmishes, strong technical play and perhaps most surprisingly; blunders. Let’s jump to the games.

Nijboer,Friso (2469) – Sukandar,Irine Kharisma (2408)

12th Batavia Chess Tournament, 21.02.2020

1.e4 c5 2.Nf3 Nc6 2…d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 0–0 8.Qd2 Nc6 9.0–0–0 d5 This is a sample line from the Sicilian dragon that illustrates the ‘wasted’ tempo by the d-pawn

3.d4 cxd4 4.Nxd4 g6 The accelerated dragon, an opening which often promises excitement as black tries to obtain a better version of the regular Sicilian dragon (in which often dynamic play is seen) by delaying movement of the d-pawn in order to play d5 in one go.

5.c4 The downside of choosing this move order is that white can aim for a Maróczy Bind. The character of the position changes to a more positional struggle in which white will aim to control all the black pawn breaks (b5 and d5) in the centre in order to limit the manoeuvring space of the black pieces.

5.Nc3 Bg7 6.Be3 Nf6 7.f3 0–0 8.Qd2 d5 Here black has the same position as in the sample line from the Sicilian dragon but with the d-pawn tempo saved. As white is not castled yet.

5…Nf6 6.Nc3 d6 Now black aims for the regular dragon-structure, as the white pawn on c4 will not allow the d5 break easily. In the meantime, white has made the concession that he will not castle queenside as his king would then become very vulnerable with the c-pawn being on c4 instead of c2.

7.Be2 Nxd4 8.Qxd4 Bg7 9.Be3 0–0 10.Qd2 a5 10…Be6 Is the main move 11.Rc1 Qa5 12.f3 Rfc8 13.b3 a6 14.Na4 Qxd2+ 15.Kxd2 Nd7 16.g4 f5 Is a line championed by Guseinov in which he has drawn against top players such as Dominguez and Nakamura.

11.0–0 a4 Black aims for more breathing space and is trying to stop white from advancing his queenside pawns (where the majority of three against two allows him to create a passed pawn in the future)

12.f3 Qa5 13.Rab1 Preparing the advancement of the b-pawn

13…Be6 14.Rfc1 Rfc8 15.b4 axb3 16.axb3 Qb4 Blacks goal is to blockade the pawns on light squares by controlling the dark squares (b4–c5)

17.Rc2 Nd7 So far, the players are still following the most common line

18.Na4?? The first novelty, and unfortunately a blunder that hangs a piece based on the pin of the b3 pawn. Black can capture on a4 with his rook and thus defends the queen. If white would capture back on a4 it leaves his rook on b1 to the mercy of the black queen.


Irine Sukandar

An unexpected ending to the first game that started as a theoretical battle; a black win within 20 moves. We will now take a look at a game in which the white player favoured a creative battle over a theoretical one. Which

Trent,Lawrence (2386) – Feuerstack,Aljoscha (2459)

12th Batavia Chess, 21.02.2020

1.e4 e5 2.Nf3 Nf6 3.d3 Nc6 4.Be2 White has chosen for a timid setup for his pieces. Leading to a position that might best be described as ‘a reversed philidor’, which was succesfully used in the past by none other than the creative Jobava. He has scored wins against absolute top players such as Svidler and Dominguez.

4…d5 The most active response, fighting for the center right from the start

5.Nbd2 Bc5 6.c3 Is also the Jobava move order

6.0–0 0–0 7.c3 Is the more common move order

6…a5 7.h3 Here Trent deviates from how Jobava approaches these positions.

7.a4 Is the choice that Jobava has made in his wins against both Dominguez and Bok. The idea is to not allow black to win more space on the queenside, to further secure the c4 square for the knight by preventing b5 and thus to have the a5 pawn as a potential future target for the white knight 7…0–0 8.0–0 Re8 9.h3 h6 10.Re1 Be6

7…0–0 8.Qc2 a4 9.Nf1 Re8 10.g4 White is clearly aiming for the black king, but in the meantime he is behind in development and is creating potential weaknesses on the kingside by moving the pawns. In case his attack does not succeed it will be difficult to imagine the white king ever finding complete shelter on either side on the board with pawns having moved on both flanks.

10.Ng3 d4 11.0–0³ Would seem like a safer choice, but it is not clear what white has achieved from the opening as there is no initiative going on yet on the kingside and black is the stronger side on the queenside.

10…d4 11.Ng3 Bf8N The first new move, black is planning to undermine the white pawn structure by playing a3

12.a3 Defending against the black threat of a3, but permanently weaking the square b3.

12…Nd7! Black is right away aiming for the b3 square with his knight.

13.cxd4 exd4 14.Nh5 Nc5 15.Bg5 Be7!? 15…Qd7 Altough this move seems counterintuitive (it blocks the c8 bishop) the silicon machine shows a nice way to develop the pieces. The following line is meant to illustrate how black can harmonize the pieces. 16.0–0 Nb3 17.Rae1 Ra5! 18.Ng3 (18.Bd1 Trying to challenge the knight on b3 18…Rc5 19.Qb1 Ne5 20.Nxe5 Rexe5 21.Bf4?? Rxh5! 22.gxh5 Qxh3–+) 18…Rc5 19.Qb1 Nd8! 20.Bd1 Ne6 21.Bxb3 axb3 22.Bd2 Rc2 23.Nf5 Qa4 24.Rc1 b6 25.Rfd1 c5 26.Ne1 Rxd2 27.Rxd2–+ The black position is very dominant due to the lack of space white has, the rooks that have no open files and the weaknesses on the kingside that black can target

16.Qxc5 Bxc5 17.Bxd8 Nxd8 18.Nd2 b5 19.0–0 Bb6³ The smoke has somewhat cleared. Black his plan is to expand on the queenside while white is planning to expand on the kingside.

20.f4 Ba5 21.Nf3 21.Rad1 Is perhaps a better try, as white can try to occupy the e4 square with his knight and play on the light squares 21…c5 22.e5 Bb7 23.Ng3

21…c5 22.Kh2 Bb7 23.Rac1 Bb6 23…Rc8 24.Nh4 Ne6 25.Nf5 Bc7„ With an unclear position in which a sharp tactical battle is ahead. Objectively it seems black is better here, but in practice it is hard to tell what would happen. 26.e5 creating possible threats on g7

24.Ne5 24.Nh4 Ne6 25.e5 Rad8 26.Nf5 c4 The black play on the queenside is stronger than the potential threats white can create

24…Rc8 25.g5 Ne6 26.Ng4 c4 27.dxc4 Bxe4 28.Ng3?? 28.Ngf6+ Was necessary. White is walking a very thin line, but the machine shows that the thin line exists 28…gxf6 29.Nxf6+ Kg7 30.Nxe4 Nxg5 31.fxg5 Rxe4 32.Bh5 Bc7+! 33.Kg2 Bf4! 34.Kf3 Rce8 35.Bxf7 Kxf7 36.Kg4 Rc8 37.Kf5 Re2 38.Kxf4 bxc4 39.Rfd1

28…d3 29.Bd1 Ba8 The weaknesses on the kingside become targets

30.Nf5 Bc7 31.Kg3 Nxf4 32.Rxf4 Re4 33.Nfh6+ Kf8


Resulting in a second black win for the day.

Peter Doggers and Lawrence Trent during the Hand & Brain tournament

Zwirs,Nico (2443) – Van Haastert,Edwin (2438)

12th Batavia Chess Tournament, 21.02.2020

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Bc5 5.c3 a6 6.Nbd2 Ba7 7.h3 d6 8.Bb3 0–0 9.Nf1 d5 10.Qe2 Be6 11.Bg5 dxe4 12.dxe4 Bxb3 13.axb3 h6 14.Bh4 Qd6 15.Ne3 Bxe3 16.Qxe3 So far it seems that the balance was held throughout the opening phase of the game.

16…Rad8 17.0–0 Qe6 18.Bxf6 Qxf6 19.Rfd1 Rxd1+ 20.Rxd1 Rd8 21.Rd5 Rxd5 22.exd5 Ne7 23.c4 Ng6?! 23…c6 In order to maintain the balance it was important to challenge the white grip on the center right away.

24.Qe4 b6 25.h4 a5 26.h5? 26.g3 Depriving black from all counter play before winning the e5–pawn 26…h5 stops h5, but this pawn will become the next target which will not be defendable 27.Kg2 Qe7 28.Qf5± e4! The only move to keep the game alive for black 29.Ng5 e3 30.fxe3 Nf8 31.Kf3 f6 32.Ne4 Qb4 33.d6 c6 34.Qc8 Qxb3 35.Qxc6 Qd1+ 36.Kf2 Qc2+ 37.Ke1 Qd3 (37…Qc1+ 38.Ke2 Qc2+ 39.Nd2+–) 38.Qd5+ Qxd5 39.cxd5 Kf7 40.Kd2±

26…Nf4 27.Nxe5 Nxh5 28.Nc6 Qxb2 29.Qe8+ Kh7 30.Qxf7 Nf6 31.Qxc7?? This pawn snap unfortunatly loses on the spot.

31…Ng4 Suddenly the mating threats are undefendable


Warakomski,Tomasz (2501) – Bosboom,Manuel (2410)

12th Batavia Chess Tournament, 21.02.2020

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bd7 This is a side-line that is winning in popularity recently

6.f4 Nc6 7.Nf3 Rc8 8.Bd3 8.e5 is an interesting direct attempt 8…dxe5 9.fxe5 Ng4 10.Bf4 g5 11.Nxg5 Ngxe5÷

8…g6 9.0–0 Bg7 10.Kh1 the first novel position

10…h5 11.Qe1 Nb4 12.Bd2 Ng4 13.h3 Nxd3 14.cxd3 Qb6 15.d4 15.Nd5!? Qd8 (15…Qxb2 Leads to large problems 16.Rb1 Qxa2 17.Rxb7 e6 18.Ng5 Nf6 19.Nxf6+ Bxf6 20.Nxf7+–) 16.f5 gxf5 17.Bg5 Nf6 (17…f6 18.Bh4 Kf7 19.hxg4 hxg4 20.Nh2 It is not clear who is playing for what result here. The white pieces are uncoordinated and the pawns protect the king very well which seems to give enough compensation for black. A very unclear position. See diagram 3.)

18.Nxf6+ Bxf6 19.Bxf6 exf6 20.exf5+ Kf8 21.Nd4±; 15.hxg4 hxg4+ 16.Nh2 g3 17.Qxg3 Qxb2–+ 18.Qe3 Bxc3 19.Bxc3 Qxc3 would be winning for black as he is a pawn up and the white king is weaker

15…Bb5 16.Nxb5 Qxb5 17.Rc1 Rxc1 18.Qxc1 Qc6 19.Bc3 Qxe4?! 20.d5! White continued the attack in very strong fashion.

20…f6 20…Kf8 21.Re1 Qf5 22.Bxg7+ Kxg7 23.hxg4 hxg4+ 24.Nh2 Qh5 25.Qc3+ Kf8 26.Qg3±

21.Ng5! Qf5 22.hxg4 hxg4+ 23.Kg1 Kd7 24.Qd1 Rc8 25.Qa4+ Kc7 26.Ne6+ Kb8 27.Nxg7 Qxd5 28.f5 Saving the knight

28…g3 29.Qg4 gxf5 30.Nxf5 e5 31.Ne7 Qc5+ 32.Bd4 White liquidates all the necessary material. A very nice finishing touch.


Manuel Boboom

Admiraal,Miguoel (2501) – Reinderman,Dimitri (2582)

12th Batavia Chess Tournament, 21.02.2020

1.e4 c5 2.Nc3 Nc6 3.Bb5 Nd4 4.Nf3 e6 5.0–0 a6 6.Bd3 Nxf3+ 7.Qxf3 Qc7 8.b3 Bd6 9.Qh3 Ne7 10.Bb2 b5 11.Rae1 the first novel position

11…Be5 Both sides are fighting over control in the centre with their pieces. White can hope to develop an initiative by pushing f4–f5. In order to do this, he will however give up control over the strong e5 square.

12.f4 Bd4+ 13.Kh1 Bb7 14.Nd1 Bxb2 15.Nxb2 Ng6 16.a4 Bc6 17.axb5 axb5 18.f5 Ne5 19.Qg3 g6 20.Be2 0–0–0 21.fxe6 fxe6 22.Qc3 22.Qe3 Qd6 23.c3 h5 24.d4 Ng4 25.Qg1± It seems white is on top here as he controls the centre with his pawns

22…Qd6 23.Nd3 23.b4 cxb4 24.Qe3 h5 (24…Qc7 25.d4 Nc4 26.Nxc4 bxc4 27.Bxc4±) 25.d4 Ng4 26.Qg1 Rhf8 27.Bf3 Rf7 28.Nd3 Rdf8=; 23.Qg3 Aiming back for the position on move 22 seems to be best. Black cannot decide to deviate on account of Nd3 23…Kc7? 24.d4! cxd4 25.c4! dxc3 (25…bxc4 26.bxc4 h5 27.c5 Qxc5 28.Nd3+–) 26.Rd1+–

23…Nxd3 24.Bxd3 Rhf8= Black has managed to equalise

25.Qa5 Qc7 26.Qa6+ Qb7 27.Qa1 d6 28.Rxf8 Rxf8 29.Rf1 Rxf1+ 30.Qxf1 Qg7 31.h3 Kc7 32.Bxb5 Bxe4 33.Bd3 Bc6 34.Be2 Kb6 35.Bf3 35.Qf4 Seems more active without allowing the pin and not allowing the black queen to reach e5

35…Qf6 36.Qd3 Qa1+ 37.Kh2 Qe5+ 38.g3 Bxf3 39.Qxf3 Qe1 40.Qd3 Qf2+ 41.Kh1 d5 Soon white will run out of moves as he cannot exchange queens with Qe3 due to the endgame being lost

42.g4 42.Qe3 Qxe3 43.dxe3 Kb5 44.Kg2 Kb4 45.Kf2 Kc3–+; 42.Qc3 d4 43.Qc4 Qe1+ 44.Kg2 Qxd2+ 45.Kf1 Qe3–+

42…g5 43.c3 h6! A zugzwang position. No matter what white makes, it worsens his position. All pawns moves allow black to move closer and a queen move drops a pawn. See diagram 5.

44.b4 44.c4 d4 45.Qe4 Qf1+ 46.Kh2 d3 47.Qxe6+ Ka5 running away from the checks, after which d2 can be collected; 44.Qe3 Qxe3 45.dxe3 c4 leads to a winning pawn endgame

44…c4 45.Qb1 Qxd2 46.Qa1 Qe3 47.Kg2 Kc7 48.b5 Qb6 49.Qa4 e5 50.Qb4 Qd6 51.b6+ Kc6 52.Qa5 Qd8 53.Qa6 Qxb6 54.Qa8+ Kc7 55.Qa3 Kd7 56.Qa4+ Kd6 57.Qa3+ Ke6 Finding shelter from the checks on the other side of the board, after which the pawns in the centre will run towards their promotion.

58.Kf3 e4+ 59.Ke2 d4 60.cxd4 Qxd4 61.Qa6+ Ke5 62.Qa5+ Kf4 63.Qc7+ Qe5 64.Qxc4 Qb2+ 65.Kf1 Kg3 66.Qc7+ Kxh3 67.Qd6 Qg2+


A lot of blood was shed in the first round. Surprisingly mainly by the black players. Let us see if this trend will continue in the rounds to come.

Photo galleries by Lennart Ootes:

Photos by Harry Gielen: click here.