Nº29 Daniele Gatti

Win

Daniele Gatti (Italy)

wKg4,Nh5,h8,Bb1,e7,Ra7,g3,Pa2,c5,c7,d4,f4,f5/bKd7,Ng8,Rf3,h2,Pa6,d2,e2,f2,f7,g7

1.c6+ Kc8 2.Bd8!
2.Bd6? thematic try 2…Rxg3+! 3.Kxg3 f1N+ 4.Kf3 Rf2+ 5.Kg4 (5.Ke4? e1Q+ 6.Kd5 Ne3+ 7.Kc5 square d6 is blocked 7…Qc1+! and mate in 8 for Black) 5…Rg2+ 6.Kh3 Rh2+ 7.Kg4 Rg2+ 8.Kh3 Rh2+ 9.Kg4 Rg2+= 3-fold repetition

2…Rxg3+
2…Rxf4+ secondary line 3.Kg5! (3.Kxf4? f1Q+! 4.Ke5 e1Q+! 5.Kd6 Qxg3+ 6.Nxg3 Qf4+ 7.Kc5 Qxd4+! 8.Kxd4 d1Q+ 9.Ke5 Re2+! 10.Ne4 Rxe4+ 11.Bxe4 Qa1+ 12.Kd6 Qd4+ 13.Bd5 Qb4+÷ perpetual check; 3.Nxf4? Nf6+! 4.Bxf6 e1Q! 5.Ra8+ Kxc7 6.Nd5+ Kxc6 7.Rxa6+ Kd7 8.Ra7+ Kc8 9.Rc7+ Kb8 10.Rb3+ Ka8 11.Rc8+ Ka7 12.Ra3+ Kb7 13.Rc7+ Kb8 14.Rb3+ Ka8 15.Nb6+ Kb8 16.Nd5+÷ 3-fold repetition) 3…Rxh5+ 4.Kxh5 (4.Kxf4?? f1Q+! 5.Rf3 Rh4+!–+ and Black wins) 4…Nf6+ 5.Kg5 Nh7+ 6.Kxf4 f1Q+ 7.Rf3 Qxf3+ 8.Kxf3 e1Q?! 9.Ra8#

3.Kxg3
3.Nxg3? Nf6+! 4.Kg5 Nh7+ 5.Kg4 Nf6+ 6.Kg5 Nh7+ 7.Kg4 Nf6+= 3-fold repetition

3…f1N+ 4.Kf3
4.Kg4? Nh6+! 5.Kg5 Rg2+! 6.Ng3 Rxg3+ 7.Kh5 Rh3+ 8.Kg5 Rg3+ 9.Kh4 Rg4+ 10.Kh3 Rg3+ 11.Kh4 Rg4+ 12.Kh3 Rg3+ 13.Kh4= 3-fold repetition

4…Rf2+ 5.Ke4 e1Q+ 6.Kd5 Ne3+ 7.Kd6 Nc4+ 8.Kc5 Nb6 9.Bd3 Qc1+ 10.Kxb6 Qb2+ 11.Kc5 Qa3+ 12.Kd5
12.Kc4?? Qxd3+! 13.Kxd3 d1Q+! 14.Kc4 Qc2+ 15.Kd5 Qxf5+–+ and Black wins

12…Ne7+ 13.Bxe7 Qxa2+ 14.Bc4
14.Kd6? Qa3+! 15.Kd5 Qb3+! 16.Bc4 Qf3+! 17.Kc5 Qa3+ 18.Kd5 Qf3+ 19.Kc5 Qa3+ 20.Kd5 Qf3+= 3-fold repetition

14…Qxc4+ 15.Kxc4 d1Q 16.Nxf7 Qc2+
16…Rc2+ 17.Kd5 Qf3+ 18.Ke6 Rxc6+ (18…Qe4+ 19.Ne5 Rxc6+ 20.Kf7+-; 18…Qb3+ 19.d5 Re2+ 20.Ne5+-) 19.Nd6++-

17.Kd5 Qb3+ 18.Kd6 Qb4+ 19.Ke6 Re2+ 20.Ne5 Rxe5+ 21.fxe5
21.Kxe5? Qxe7+! 22.Kd5 Qf7+! 23.Kd6 Qf8+! 24.Ke6 Qe8+! 25.Kd6 Qf8+ 26.Ke6 Qe8+ 27.Kd6 Qf8+÷ 3-fold repetition; 21.dxe5? Qc4+= perpetual check

21…Qc4+ 22.d5+-

Improvement of my previous study published on UAPA 2020.Introduction added; thematic try added; secondary thematicline added
FEN: 6nN/R1PkBpp1/p7/2P2P1N/3P1PK1/5rR1/P2ppp1r/1B6