[Event "Mar del Plata"] [Site "Mar del Plata ARG"] [Date "1941.03.31"] [EventDate "?"] [Round "17"] [Result "1-0"] [White "Jacobo Bolbochan"] [Black "Sonja Graf-Stevenson"] [ECO "E18"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "71"] 1.c4 e6 2.Nc3 d5 3.d4 Nf6 4.Nf3 Be7 5.g3 O-O 6.Bg2 b6 7.O-O Bb7 8.Ne5 Nbd7 9.Qa4 Nxe5 10.dxe5 Nd7 11.cxd5 exd5 12.Nxd5 Nc5 13.Qc4 c6 14.Nxe7+ Qxe7 15.Be3 Nd7 16.f4 Nf6 17.Bd4 Nd5 18.Rfd1 Rfd8 19.a3 h5 20.Bf2 Rac8 21.Rd4 Nc7 22.Rad1 Rxd4 23.Rxd4 Ne6 24.Rd6 c5 25.Bxb7 Qxb7 26.Qd5 Qxd5 27.Rxd5 h4 28.f5 hxg3 29.hxg3 Ng5 30.Be3 Ne4 31.Kg2 c4 32.Kf3 Nc5 33.Bxc5 bxc5 34.Rd2 Rb8 35.Rc2 Rb3+ 36.e3 1-0