Tuesday, 17 January 2017

Study 109

Árpád Rusz
Magyar Sakkvilág
2016
- after M. Hlinka & L. Kekely -
Special Commendation
White wins

1. Rb5+ 1. Rh7+? Kc6 2. Bb5+ Kb6 3. Nd7+ Ka5 =
a. 1... Kc6 2. Nd5! White must block the d-file but it also has to protect the f4-square. Thematic try: 2. Nd7? Rg2+ 3. Kxf1 Rf2+ 4. Kxe1 c1=Q+ 5. Kxf2 Qf4+ 6. Ke1 Qc1+ 7. Kf2 Qf4+ perpetual check 2... Rg2+! 3. Kxf1 3. Kd3? c1=N+! -+ 3... Rf2+ 3... Rg1+ 4. Ke2! +- (4. Kxg1? Qg5+ =) 4. Kxe1 c1=Q+ 5. Kxf2 Qc2+ 5... Qf4+ 6. Nxf4 +- 6. Be2 Qxf5+ 7. Ke1 Qdxd5 7... Qfxd5 8. e7+ +- 8. e7+! Kd7 9. e8=Q+! Kxe8 10. Rh5!!


Grip Theme

10... Qxb5 10... Qxh5 11. Bxh5+ Ke7 12. Rxd5 +- 11. Bxb5+ Ke7 12. Rxf5 +-

b. 1... Kc8 2. Ne7+! Thematic try: 2. Nd6+? Qxd6 3. Rh8+ Kc7 4. Nd5+ (4. Ne8+ Kc6 =) 4... Qxd5! = 2... Qxe7 3. Rh8+ Kc7 4. Nd5+ Kd6 5. Nxe7 Ng3+ 5... c1=N+ 6. Kxe1! +- (6. Kd1? Ne3+ 7. Kxc1 Bc3+ 8. Bf1 Rxf1#); 5... Rg2+ 6. Kxf1 Rf2+ 7. Kg1! (7. Kxe1? c1=Q+ =) 7... c1=Q 8. Nc8+! (Thematic try: 8. Rd8+? Kxe7 9. Rd7+ Kf6 10. Rf7+ Kg6 11. Bd3+ Rf5! 12. Bxf5+ Kh6! 13. Rh7+ Kg5 =) 8... Kc6 9. Na7+ Kd6 10. Rd8+ Ke7 11. Rd7+ Kf6 (11... Ke8 12. Rb8#) 12. Rf7+ Kg6 13. Bd3+ Kh6 14. Rh7# 6. Kf3! Thematic try: 6. Kd3? c1=Q 7. Nc8+ Kc6 8. Na7+ Kd6 9. Rd8+ Ke7 10. Rd7+?? Kf6 11. Rf7+ Kg6 -+ White has no check on the d3-square because it is blocked by the wK! 6... c1=Q 7. Nc8+! Thematic try: 7. Rd8+? Kxe7 8. Rd7+ Kf6 9. Rf7+ Kg6 10. Bd3+ Nf5! 11. Bxf5+ Kh6 12. Rh7+ Kg5 13. Bb1+ Kf6 14. Rf7+ Kxe6 15.Ba2+ Kd6 16. Rd5+ Kc6! = The black king escapes, because the missing Na6 doesn't control the c6 square! 7... Kc6 8. Na7+ Kd6 9. Rd8+ Ke7 10. Rd7+ Kf6 11. Rf7+ Kg6 12. Bd3+! +-

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Related study: Grip 10

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