[Event "FIDE Women's Grand Swiss 2025"] [Site "Samarkand, Uzbekistan"] [Date "2025.09.15"] [Round "8.10"] [White "Bulmaga, Irina"] [Black "Krush, Irina"] [Result "0-1"] [WhiteElo "2400"] [BlackElo "2366"] [Variant "Standard"] [Annotator "https://lichess.org/@/sabinafoisor"] [FEN "6r1/p4k2/4rnpQ/4N2b/1pq1PP2/8/P1P4P/2K1R1R1 b - - 0 29"] [ECO "?"] [Opening "?"] [StudyName "2025 FIDE Grand Swiss"] [ChapterName "Bulmaga, Irina - Krush, Irina"] [ChapterURL "https://lichess.org/study/V6oU1CPk/blup7ftU"] [SetUp "1"] [Orientation "white"] 29... Rxe5! { Krush had out-calculated her opponent in the "Battle of the Irinas," delivering the final blow here. } 30. fxe5 Rc8 (30... Qxa2 { was also winning, after, e.g. } 31. exf6 Qa1+ 32. Kd2 Rd8+ 33. Ke3 Qd4+ 34. Kf4 Qf2+ 35. Kg5 Qxf6# { , but there were so many alternatives to 31. exf6 that Black would have had to calculate, so the text is simpler. }) 31. Rg2 Qc3 (31... Qxa2 { was, again, also winning. }) 32. Reg1 { Now, mate is forced, but White's position was already lost. } (32. Qe3 { loses material after } 32... Qa1+ 33. Kd2 Rd8+ { when } 34. Qd3 $19 { is forced to avoid immediate mate, but the queen falls with check, so White can resign here. }) 32... Qa1+ 33. Kd2 Rd8+ { Why deliver a four-move mate when you can deliver a nine-move mate? } (33... Nxe4+ { was, apparently, the quickest mate: } 34. Kd3 (34. Ke3 Qc3+ { is no different. }) 34... Qc3+ 35. Kxe4 Rc4+ 36. Kd5 Qd4#) 34. Ke3 Qd4+ 35. Kf4 Qxe4+ 36. Kg3 (36. Kg5 Qf5+ 37. Kh4 Rd4+ { also mates. }) 36... Qg4+ 37. Kf2 Qf3+ { 0-1 Black wins. } 0-1