[Event "Yerevan"] [Site "Yerevan URS"] [Date "1965.10.04"] [Round "12"] [White "Eduard A Mnatsakanian"] [Black "Leonid Stein"] [Result "1/2-1/2"] [ECO "B27"] [Opening "Sicilian: Hungarian, 3.d4 cxd4"] 1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be3 Bg7 7.Bc4 O-O 8.Bb3 Qa5 9.O-O d6 10.h3 Bd7 11.f4 Rac8 12.Qf3 Qh5 13.Rad1 Na5 14.g4 Nxg4 15.hxg4 Bxg4 16.Qh1 Bxd1 17.Rxd1 Qxh1+ 18.Kxh1 Nxb3 19.axb3 Rfe8 20.Kg2 a6 21.Kf3 Rc5 22.Rd2 Rh5 23.Nde2 f5 24.Ng3 fxe4+ 25.Ncxe4 Ra5 26.b4 Rb5 27.c3 Rf8 28.Rf2 a5 29.bxa5 Rxa5 30.Ke2 Ra2 31.Kd3 e5 32.f5 d5 33.Nc5 Rf7 34.Ne6 Ra4 35.fxg6 e4+ 36.Kc2 Rxf2+ 37.Bxf2 hxg6 38.Nf4 d4 39.cxd4 Bxd4 40.Bxd4 Rxd4 41.Nxg6 Kf7 42.Ne5+ Kf6 43.Ng4+ Kg5 44.Ne2 Rd8 {#d} 1/2-1/2