Study 56

Árpád Rusz
Internet (Talkchess Forum)
2011
- after S. Hornecker -

White wins

1. d5 Kf8 2. Kb3 Ke7 3. Kc4 Kf6 4. Kb5 Kxg6 5. Kxa5

First main line: 5...Kf5 6. Kb5! g5 7. a5 g4 8. a6 g3 9. a7 g2 10. a8=Q g1=Q 11. Qa3 Ke4! (11... Ke5 12. Kc6 +-) 12. Kc6 Qd4 13. Qa5! (13. Qxd6? Qa4+ =) 13... Kf5 (13... Ke5 14. Qe1+ +-) 14. Qb5! (14. Qb6? Qxb6+ 15. Kxb6 Ke4! 16. Kc6 Ke5 -+ mutual zugzwang) 14... Kf6 (14... Ke5 15. Qe2+ +-) 15. Qb6 Qxb6+ 16. Kxb6 Kf5 17. Kc7! (17. Kc6? Ke5 -+ mutual zugzwang) 17... Ke5 18. Kc6 +- mutual zugzwang

echo

Second main line: 5... Kf7 6. Kb5 g5 7. Kc4! (7. a5? g4 8. a6 g3 9. a7 g2 10. a8=Q g1=Q 11. Qa3 Qg4 12. Qxd6 Ke8 =) 7... Ke7 8. Kd4 (minor duals 8. Kd3, 8. a5) 8... Kd7 9. Ke4 (minor dual 9. a5) 9... Kc7 10. a5! (10. Kf5? Kb6 11. Kxg5 Kc5! =) 10... Kb7 11. Kf5 Ka6 12. Kxg5 Kxa5 13. Kf6! Kb5 14. Ke7! (14. Ke6? Kc5 -+ mutual zugzwang) 14... Kc5 15. Ke6 echo mutual zugzwang

echo