[Event "The Problemist"] [White "Rusz, Árpád"] [Black "(Study 176)"] [Site ""] [Round ""] [Annotator ""] [Result "1-0"] [Date "2019.??.??"] [PlyCount "11"] [Setup "1"] [FEN "2R5/P7/8/P4K2/8/8/p3q2r/7k w - - 0 1"] 1. Rc1+ (1. a8=Q+ Kg1 (1... Qg2 2. Rc1# )(1... Rg2 2. Rc1+ Kh2 3. Qh8+ )2. Rc1+ Qf1+ (2... Kf2 3. Qa7+ Qe3 4. Rc2+ Kf3 5. Qb7+ Kg3 6. Qg7+ Kf3 7. Qg4# )3. Rxf1+ Kxf1 4. Qa6+ Kg1 5. Qg6+ Rg2 6. Qf6 {Position X'} Rf2+ )Qf1+ (1... Kg2 2. a8=Q+ Qf3+ 3. Qxf3+ Kxf3 4. Rc3+ Ke2 5. Ra3 Kd1 6. a6 Kc1 7. a7 Rh8 8. Rxa2 )2. Rxf1+ Kg2 3. Rh1 (3. a8=Q+ Kxf1 )Kxh1 (3... Rxh1 4. a8=Q+ )4. a8=Q+ Kg1 5. Qg8+ Rg2 6. Qh8 { Position X} 1-0