2021.02.20
0 : 1
Queen's pawn, Mason variation
1.d4 d5 2.Bf4 Nf6 3.e3 e6 4.Bd3 Bd6 5.Bg3 Bxg3 6.hxg3 h6 7.Nd2 Bd7 8.f4 Nc6 9.c3 a6 10.Ngf3 Qe7 11.Ne5 Nxe5 12.fxe5 Nh7 13.Qe2 c5 14.O-O-O cxd4 15.exd4 O-O 16.Nf3 Ba4 17.Rdf1 Rac8 18.Qd2 Bb5 19.Bxb5 axb5 20.g4 Ra8 21.Kb1 Rfc8 22.Rh3 b4 23.cxb4 Rc4 24.a3 Rac8 25.Rc1 Rxc1+ 26.Qxc1 Rxc1+ 27.Kxc1 Qc7+ 28.Kb1 Qe7 29.Ka2 Ng5 30.Nxg5 Qxg5 31.Rc3 Qxg4 32.Rc7 Qxd4 33.Rxb7 Qc4+ 34.Kb1 d4 35.Rb8+ Kh7 36.b5 d3 37.b6 d2 38.Rd8 Qf1+ 39.Ka2 d1=Q 40.Rxd1 Qxd1 41.g3 Qd5+ 42.b3 Qxe5 43.a4 Qe2+ 44.Ka3 e5 45.a5 Qb5 46.b4 e4 47.b7 Qxb7 48.Ka4 e3 49.b5 e2 50.b6 e1=Q 51.Kb5 Qe5+ 52.Ka4 Qc6+ 53.Kb4 Qeb5+ 54.Ka3 Qc3+ 55.Ka2 Qcb3+ 56.Ka1 Q3a4#