Monday, 6 June 2016

Study 67

Árpád Rusz
Magyar Sakkvilág
2012

White wins

1. Ra7+! 1. Qc7+? Qf7 2. Qc3+ Kh7 = 1... Kf8 2. Ra8+! 2. Qc8+? Qe8 = 2... Kg7 3. Qc7+ Qf7 4. Qc3+ Kg6! The best move even if it allows the fork and loses the Rook! 4... Qf6 5. Rg8+! +- 5. Qc6+ Kh7! Black is preparing a stalemate trap. 5... Qf6 6. Rg8+ +- (6. Qxb5? Qc3+ 7. Kh2 Qd2+ 8. Kxh3 Qe3+ 9. Kg2 Qe4+ =) 6. Qxb5 Qg6+ 7. Kxh3 Qe6+ 7... Qh6+ 8. Kg4 +-

8. Kg2!! Paradoxically, this is the only winning move! White also allows the fork and loses the Rook! 8. Kg3? Qe3+ 9. Kg2 Qg5+! 10. Qxg5 stalemate 8... Qe4+ 9. Kf2! Qxa8 We have one of the rare positions in the QP/Q endgame which is a win with the a2 pawn (EGTB: M101) 10. a4 Qa7+ 11. Ke2! Qe7+ 12. Kd2! Kg7 There are no more useful checks: 12... Qd6+ 13. Qd3+ +- The bK is on the worst possible square. 13. a5 Kf8 14. a6 The wP quickly advances protected by the well placed wQ. 14...Qc7 The bQ is stopping the wK's access to the c-file and is threatening with checks on the black squares. 15. Kd1! Thematic try: 15. Kd3? Ke7 16. Qd5 Qc1! = 15... Ke7 15...Qd6+ 16. Ke2 Qd4 (16... Ke7 17. Qd3 Qh2+ 18. Kd1 Qg1+ 19. Kd2 +-) 17. Qc6 Kg7! 18. Kf3 (18. Qc7+?! Kh8! 19. a7? Qe4+ {and the wK cannot escape from checks!}) 18... Kf7 19. Qe4 Qc3+ 20. Kf4 Qc1+ 21. Kg3 Qg5+ 22. Qg4 Qc5 23. Qd7+ Kg6 24. Qd3+ Kh6 25. Kf3 The wQ is ideally placed on d3 (protects the wP and helps the wK to cross to the queenside). A long technical win follows... 16.Qd3! Thematic try: 16. Qd5? Qc3! 17. a7 Qa1+ 18. Ke2 Qxa7 = 16...Qc5 17. a7! Qxa7 18. Qh7+ +-

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