[Event "Magyar Sakkvilág"] [Site "?"] [Date "2013.??.??"] [Round "?"] [White "Rusz, Árpád"] [Black "(Study 74)"] [Result "1-0"] [SetUp "1"] [FEN "5Q2/4p2K/3P4/8/k5q1/8/8/8 w - - 0 1"] [PlyCount "39"] [EventDate "2013.??.??"] 1. Qxe7 $1 (1. dxe7 $2 Qh5+ 2. Qh6 Qf7+ 3. Qg7 Qh5+ 4. Kg8 Qe8+ 5. Qf8 Qg6+ 6. Qg7 Qe8+ 7. Kh7 Qh5+ {perpetual check - chameleon echo}) 1... Qh5+ $1 { Q-triangulation} (1... Qf5+ $6 2. Kg7 Kb5 3. d7 Qg4+ 4. Kh6 Qh3+ 5. Kg6 Qg4+ 6. Qg5+ $18) 2. Kg7 Qf5 $1 {cyclic zugzwang - WTM} 3. Kh6 $1 (3. d7 $2 Qg4+ 4. Kf8 Qf5+ 5. Ke8 Qh5+ 6. Qf7 Qe5+ 7. Kf8 Qc5+ 8. Kg8 Qg5+ 9. Kh7 Qh4+ 10. Kg7 Qg5+ 11. Qg6 Qe7+ 12. Qf7 Qg5+ {perpetual check - chameleon echo}) 3... Qh3+ 4. Kg6 ({minor dual} 4. Kg5 Qg3+ 5. Kf6 (5. Kf5) 5... Qf3+ 6. Ke5 $1) 4... Qd3+ 5. Kf6 Qf3+ 6. Ke5 $1 Qh5+ 7. Ke6 ({minor dual} 7. Kd4 Qd1+ 8. Kc5 Qh5+ 9. Kc6 (9. Kb6 ) 9... Qb5+ 10. Kc7) 7... Qh3+ 8. Kd5 Qd3+ 9. Kc6 Qb5+ 10. Kc7 Qa5+ 11. Kc8 Qa6+ 12. Kd8 Qa8+ 13. Kd7 Qb7+ 14. Ke8 Qc8+ 15. Kf7 Qf5+ 16. Kg7 {cyclic zugzwang - BTM} Kb5 17. d7 Qg4+ 18. Kh6 Qh3+ 19. Kg6 Qg4+ 20. Qg5+ 1-0