[Event "11th Ch RSFSR"] [Site "Yaroslavl (URS)"] [Date "1951.??.??"] [EventDate "?"] [Round "?"] [Result "1-0"] [White "Nikolai Krogius"] [Black "Leonid Alexandrovich Shamkovich"] [ECO "A70"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "59"] 1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 b5 6.a4 Bb7 7.e4 Nxe4 8.Bxb5 Be7 9.O-O O-O 10.Re1 Nd6 11.Nc3 Nxb5 12.axb5 d6 13.Nd2 Nd7 14.Nc4 Nb6 15.Na5 Qd7 16.Bf4 Rfe8 17.h3 Bf6 18.Rxe8+ Rxe8 19.Nc6 Ra8 20.Qd3 g6 21.Ne4 Bxb2 22.Rb1 Bg7 23.Nxd6 a5 24.bxa6 Bxc6 25.Rxb6 Ba4 26.Rb7 Qd8 27.Rxf7 Bf8 28.Qe4 Bd7 29.Bg5 Qc7 30.Ne8 1-0