Nº10 M. Hlinka & L. Kekely (Slovakia)

Win
Section A
Nº10 Michal Hlinka & Lúbos Kekely (Slovakia)

wKb2,Rf1,Pc7,d6,g2,g7/bKa4,Nd5,Bb3,Rb5,b7

1.c8Q!
1.Ra1+? Ba2+ selfpin 2.Kc2 Rc5+ 3.Kd1 Nc3+ 4.Kc2 Kb5 unpin 5.Rxa2 Nxa2+ 6.Kd3 Rd5+ 7.Ke3 Rxc7 8.g8Q Rc3+ 9.Kf2 Rcd3=

1…Rxg7
1…Bd1+ 2.Kc1 Rb1+ 3.Kd2 R7b2+ 4.Kd3 Be2+ 5.Ke4! Bxf1 6.Kxd5 Rd2+ 7.Ke6 Re1+ 8.Kf7 Kb4 9.g8Q Rf2+ 10.Kg7 Rxg2+ 11.Kf8 Rxg8+ 12.Kxg8+-
2.d7!
2.Kc1? Rbb7=; 2.Rf2? Nb6 3.Qa6+ Kb4!=; 2.Qa6+? Kb4!=

2…Rxd7!
2…Bc4+ 3.Ka1! Rxd7 4.Qxc4+! Nb4 selfpin 5.g4 Ka5 unpin 6.Rc1+-; 2…Rxg2+ 3.Kc1! Rb8! 4.Qc6+! Kb4 5.Re1! Rc2+ 6.Qxc2 Bxc2 7.Re8 Rb6 8.d8Q Rc6 9.Kd2+-
3.Ra1+!
3.Qxd7? Bc4+ 4.Qxb5+ Kxb5=

3…Ba2+! selfpin [3…Kb4 4.Qxd7+-] 4.Kxa2
4.Kc1? Rc7+ 5.Qxc7 Nxc7 6.Rxa2+ Kb3=

4…Nb4+
4…Rdb7 5.Rb1 Nb4+ 6.Ka1! Re7 7.Qc4 Ka5 8.Rb3 Ree5 9.g4 Rec5 10.Qf4+-; 4…Ra7 5.Rb1! Ka5 6.Rxb5++-

5.Kb1/b2 Na2+ selfpin 6.Kc2
6.Kxa2? Rd2+ 7.Qc2+ Rxc2#

6…Rc7+! 7.Qxc7 Rc5+! 8.Kd3!!
8.Qxc5? model pin stalemate

8…Rxc7 9.Rxa2+ Kb3 10.Ra1!+- Antistalemate study.