[Event "URSS"] [Site "?"] [Date "1961.??.??"] [Round "?"] [White "Muchnik"] [Black "Estrin"] [Result "1-0"] [Annotator "Tarraco PC"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "2r1r1k1/pp3pp1/3p3B/P2P1P2/2nb4/7R/1q3PQP/1B3R1K w - - 0 1"] [PlyCount "15"] [EventDate "2026.04.30"] [SourceVersionDate "2026.04.30"] {[#]} 1. Rb3 Qa1 (1... Qxb3 2. Bxg7 Bxg7 3. f6) 2. f6 Bxf6 (2... g6 3. Bxg6) 3. Bxg7 Bxg7 4. Bh7+ Kh8 (4... Kxh7 5. Rxa1 Bxa1 6. Rh3#) 5. Rxa1 Bxa1 6. Be4 Bg7 7. Rh3+ Kg8 8. Rh7 {i les negres van abandonar al no poder evitar l'escac i mat.} 1-0