Batavia Miniatures 2020 Solutions

1) A. Troitzky 28 Rijen, 1925: 1.a6 c4 2.a7 c3 3.Bh1! Ba4+! [3…Bg6+? 4.Ke7 c2 5.a8Q c1Q 6.Qg2#] 4.Kf7! [4.Ke7? Bc6! 5.Bxc6 c2 6.a8Q c1Q] 4…Bc6! Anti Bristol! [4…c2 5.a8Q c1Q 6.Qg2# Bristol theme] 5.Bxc6 c2 6.a8Q c1Q 7.Qa2+ Kg3! [7…Kh3 8.Qg2+ Kh4 9.Qf2+ Kg4 10.Bd7+] 8.Qg2+! Kf4 [8…Kh4 9.Qf2+ Kh5 (9…Kg4 10.Bd7+) 10.Bf3+ Kg5 11.Qg3+ Kf5 12.Qg6+] 9.Qf3+ Kg5 [9…Ke5 10.Qf6#] 10.Qg3+ Kf5 [10…Kh5 11.Bf3+] 11.Qg6+ Kf4 12.Qh6+ 1–0

2) A. Maksimovskikh & V. Dolgov Tidskrift fצr Schack, 1978: 1.Rc5+! Kd3 2.Rb3+ Ke4 3.Rb4+ Kd3 4.Rd4+! Ke2 5.Rc2+ Kf3 6.Rc3+! Ke2 7.Re3+ Kf1 8.Rd1+ Kg2 9.Rd2+ Kf1 10.Rf2+! Kg1 11.Re1# 1–0

3) M. Liburkin “64″, 1939: 1.Nf5 [1.Ne6? g2 2.Nd4 Kd1 3.Nf3 a4+ 4.Kc3 a3; 1.Ng4? g2 2.Ne5 Ke2] 1…g2 [1…a4+ 2.Kc3 g2 3.Nh4 g1Q 4.Nf3+ Kd1 5.Nxg1 a3 6.Nd5 a2 7.Ne3+ Kc1 8.Ne2+ Kb1 9.Kd2 a1Q 10.Nc3+ Kb2 11.Nc4#] 2.Nh4 [2.Nd4? Kf2] 2…g1Q [2…g1N 3.c4 Ne2 4.Ne6 Ng3 5.c5 Ne4 6.c6 Nd6 7.c7 Kd2 8.Nf5 Ne8 9.Ka4 Kd3 10.Kxa5 Kc4 11.Ka6 Kd5 12.Kb7] 3.Nf3+ Kd1 4.Nxg1 a4+ 5.Kc3 [5.Kb2? a3+] 5…a3 6.Nd5 a2 7.Ne3+ Kc1 8.Ne2+ Kb1 9.Kd2! a1Q [9…Kb2 10.Nc4+] 10.Nc3+ Kb2 11.Nc4# 1–0

4)Y. Afek Due Alfieri, 1984: 1.Ke1+ Kg1 2.Rg3+ Kh1 3.Ra1 [3.Ra6? Qh5 4.Raa3 Kh2 5.Kf2 Qh4] 3…Kh2 4.Kf2 Qb7 5.Rh1+ Qxh1 [5…Kxh1 6.Rh3#] 6.Rg7 Qb1 7.Rh7# 1–0

5) V. Yakhontov, Shakhmaty v SSSR#24, 1950: 1.h6! [1.g7? Kf7; 1.Kc7? Kf6] 1…Kf6 2.h7! Kg7 3.Kc7 b4 [3…Nc3 4.Kd6] 4.Kd6! Nc3 [4…b3 5.Ke7 b2 6.h8Q+ Kxh8 7.Kf7 b1Q 8.g7+] 5.Kc5! [5.Ke7? Nd5+ 6.Ke8 (6.Ke6 Nf4+ 7.Ke5 b3) 6…Nf6+ 7.Ke7 Nxh7] 5…b3 6.Kb4 b2 7.Ka3! b1Q 8.h8Q+ Kxh8 9.g7+ Kh7 10.g8Q+ Kxg8 ½–½

6) V. Kivi Revista de Romana de Sah, 1939: 1.Ne7+! [1.Bb5+? Kxb5 2.Nd6+ Kb4! 3.Nxe4 c2 4.Nf2 Kc4!] 1…K b7! [1…Kc5 2.Nf5 c2 3.Nd4 c1Q (3…c1N 4.Kg3 Kd5 5.Kf4 Na2 6.Bg2) 4.Nb3+; 1…Kd6 2.Nf5+; 1…Kd7 2.Bb5+ Kxe7 3.Ba4; 1…Kc7 2.Nd5+; 1…Kb6 2.Nd5+] 2.Ba6+! Ka8 [2…Kxa6 3.Nd5; 2…Ka7 3.Nc6+] 3.Nc6! c2 4.Bb7+! Kxb7 5.Na5+ Kb6 6.Nb3 1–0

7) H. Mattison Latvis, 1923: 1.Nf4+! [1.Be4? Ke5!] 1…Ke5! 2.Ng6+ Kd5! 3.Ne7+! Ke5 4.Nc6+ Kd5 5.Nxb4+ Ke5 6.Nc6+ Kd5 7.Ne7+ Ke5 8.Ng6+ Kd5 9.Ba6! Kc6 10.Be2! h1Q 11.Bf3+ Qxf3 12.Ne5+ Kd5 13.Nxf3 Ke4 14.Kd2 Kxf3 15.Kd3 1–0

8) D. Stellwagen & Y. Afek EBUR 2003 : 1.Bf3 Kc6 2.Nd3 c2 [2…Kd6 3.Nf7+ Ke6 4.Nf4+ Kf5 5.Bxd5! (5.Nxd5? c2 6.Nd6+ Kg5 7.Ne4+ Kh4) 5…Kxf4 6.Bb3 Ke3 7.Ne5] 3.Nf7! c1Q 4.Nxc1 Kc5 5.Nb3+! Kc4 6.Kh8!! [6.Kf8? Rf5; 6.Kg7? Rd7] 6…Rd7 [6…Rd3 7.Ne5+; 6…Rb5 7.Nd6+; 6…Rf5 Nd6+] 7.Ne5+ 1–0

9) A. Gurvich Sovyetsky Flot, 1960: 1.Rab6! [1.Rcb6? Qg2+] 1…Qa8 2.Rc8+! [2.Rc2? Qa1+ 3.Rbb2 Qg1+ 4.Rg2 Qd4+ 5.Kh7 Qh4+ (5…Qxd6? 6.Rb8+! Ke7 7.Rg7+ Kf6 8.Rg6+) 6.Kg6 Qe4+] 2…Qxc8 3.Rb3! Qa8 [3…Kd8 4.Rf3] 4.Re3+ Kd8 5.Kf8! Qc6 6.Re8# 1–0

10) Y. Afek The Problemist (After Leik) , 2007: 1.g7! Kh7 2.Kc6 Rc1+ 3.Nc3! [3.Kd7? Rxd1+ 4.Ke7 Rb1 5.Kf8 Rf1+ 6.Ke7 Rb1] 3…Rxc3+ 4.Kd7 Rb3 5.Kc8! Rc3+ 6.Nc7! Rb3 7.Ne6! Rc3+ 8.Kd7 [8.Kd8 or 8.Kb8? Rc1! 9.Ka7 Ra1+ 10.Kb6 Rb1+] 8…Rb3 9.Kc7! [9.Kc6? Rb1] 9…Rc3+ 10.Nc5! Rxc5+ 11.Kb6 Rc1 12.g8Q+ Kxg8 13.b8Q+ 1–0

Bonus question:

11) H. Mattison Latvis, 1923: 1.Nf4+! [1.Be4? Ke5!] 1…Ke5! 2.Ng6+ Kd5! 3.Ne7+! Ke5 4.Nc6+ Kd5 5.Nxb4+ Ke5 6.Nc6+ Kd5 7.Ne7+ Ke5 8.Ng6+ Kd5 9.Ba6! Kc6 10.Be2! h1Q 11.Bf3+ Qxf3 12.Ne5+ Kd5 13.Nxf3 Ke4 14.Kd2 Kxf3 15.Kd3 1–0