Study 92

Árpád Rusz
Afek-64 JT
2016
3rd Honourable Mention

White wins

1. Qf3! Bg7+ 2. Kxd5 Nc3+! 3. Qxc3 Qd7+ 4. Kc4! Thematic try: 4. Kxc5? Bxd4+ 5. Qxd4 Qa7+ 6. Kc4 Qxa4+ 7. Kc3 Qa1+ 8. Kd3 Qd1+ 9. Ke3 Qg1+ 10. Ke4 Qg4+ 11. Ke5 Qg7+ 12. Kd5 Qd7+ 13. Kc5 Qa7+ perpetual check

perpetual check

Loss of time: 4. Ke4 Qg4+ 5. Kd3 Qd1+ 6. Kc4 Qxa4+ 4... Qxa4+ 5. Kd5! 5. Kxc5? Bxd4+ 6. Kd6+!? Bxc3 7. Rxc3+ Kb7 = (7... Kb8? 8. Rh8+ Kb7 9. Rc7+ Kb6 10. Rb8+ Ka6 11. Ra8+ +-; 7... Kd8? 8. Rh8+ +-) 5... Qd7+ 6. Kxc5! Bxd4+

7. Kb4+!! Bxc3+ 8. Rxc3+ Kb7 9. Rb5+ Ka6 10. Ra3# The mate is possible only because the harmful a-pawn has disappeared.

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