[Event "Strategems"] [White "Rusz, Árpád"] [Black "(Study 175)"] [Site ""] [Round ""] [Annotator ""] [Result "1-0"] [Date "2019.??.??"] [PlyCount "19"] [Setup "1"] [FEN "1r6/6Q1/3R1P2/2B5/rP2K3/8/2k4q/8 w - - 0 1"] 1. Qg6 Kb2 (1... Qe2+ 2. Kd5+ Kb2 3. Qe4 Qxe4+ 4. Kxe4 )2. f7 Raxb4+ (2... Qe2+ 3. Kf5 Raxb4 4. Qf6+ (4. Bxb4 Rb5+ 5. Kf6 Qe5# )Kc2 5. Bxb4 Rb5+ 6. Kg6 Qg4+ (6... Qh5+ 7. Kg7 )7. Kh7 Rh5+ 8. Qh6 Rxh6+ 9. Kxh6 (9. Rxh6 Qxb4 )Qxb4 10. f8=Q )3. Bxb4 Qe2+ (3... Rxb4+ 4. Kf5 (4. Kd5 Qe2 {mutual zugzwang} )Qf4+ (4... Rf4+ 5. Ke6 Qe2+ 6. Kd7 (6. Kd5 Rb4 {mutual zugzwang} ))5. Ke6 Qe3+ 6. Kf6 Qc3+ 7. Ke7 Rb7+ 8. Rd7 Qe5+ 9. Qe6 Qg5+ 10. Qf6+ )4. Kd4 ({ Thematic try:} 4. Kd5 Rxb4 {mutual zugzwang} 5. f8=Q Rb5+ 6. Kc6 (6. Kd4 Qe5+ 7. Kd3 Rb3+ 8. Kd2 Qe3+ 9. Kd1 Qc1+ 10. Ke2 Re3+ 11. Kf2 Qe1+ 12. Kg2 Re2+ 13. Kh3 Qh1+ 14. Kg4 Qg1+ 15. Kh4 Rh2# )Qc4+ 7. Kd7 Rb7+ 8. Ke8 Qa4+ { Position X'} 9. Kd8 Qa8# )Rxb4+ 5. Kd5 {mutual zugzwang} Rb5+ (5... Qc4+ 6. Ke5 Qf4+ 7. Ke6 Qe3+ 8. Kf6 Qc3+ 9. Ke7 Rb7+ 10. Rd7 Qe5+ 11. Qe6 Qg5+ 12. Qf6+ )6. Kc6 Qc4+ 7. Kd7 Rb7+ 8. Ke8 Qa4+ {Position X} 9. Kf8 Qa8+ 10. Kg7 1-0