[Event "?"] [Site "masterchessopen.com Varna (Bulgaria)"] [Round "0"] [White "Krogius Nikolai V (RUS)"] [Black "Bobotsov Milko G (BUL)"] [Result "1-0"] [WhiteElo "2485"] [BlackElo "2405"] [ECO "E30"] [Opening "Nimzo-Indian: Leningrad, 4...c5"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 c5 5.d5 h6 6.Bh4 d6 7.e3 Bxc3+ 8.bxc3 e5 9.f4 exf4 10.exf4 Bf5 11.Bd3 Bxd3 12.Qxd3 O-O 13.Ne2 Nbd7 14.O-O Re8 15.Ng3 Qe7 16.Nf5 Qf8 17.Qh3 Re4 18.Rf3 Rae8 19.Bxf6 Nxf6 20.Rg3 g6 21.Nxh6+ Kg7 22.Nf5+ Kg8 23.Qh4 Re1+ 24.Rxe1 Rxe1+ 25.Kf2 Qe8 26.Ne3 Rb1 27.Qxf6 Qe4 28.Rf3 {#r} 1-0