White Elo Black Elo ECO Year Res. #       Patterson, Roger 2265 Groleau, Gilles 2273 B82 1993 ½-½ 62 Patterson, Roger 2187 Singher, Jean Pierre B82 2004 1-0 37 Patterson, Roger 2187 Belzberg, Sid B82 2004 1-0 28 Patterson, Roger 2140 Hamm, Robert M B82 2007 1-0 33 Patterson, Roger 2140 Pechisker, Alfred 2163 B82 2008 ½-½ 33 Patterson, Roger 2141 Kong, Dezheng 1941 B82 2010 1-0 28 Patterson, Roger 2154 Gansvind, Valeriya I 2321 B82 2010 0-1 40 Patterson, Roger 2149 Huang, Patrick 1927 B82 2017 1-0 32 Page 1
Patterson, Roger (2265) - Groleau, Gilles (2273) - Masson op (5), Masson, 1993 B82 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.f4 a6 7.Be3 Qc7 8.Qf3 Nc6 9.O-O-O Be7 10.g4 b5 11.g5 Nd7 12.Rg1 b4 13.Nce2 Bb7 14.f5 Nxd4 15.Nxd4 e5 16.Nb3 a5 17.Kb1 a4 18.Nd2 a3 19.b3 Qc3 20.Nc4 Nc5 21.Bd3 Rd8 22.f6 Bf8 23.Bd2 Nxe4 24.Qxe4 Bxe4 25.Bxc3 Bxd3 26.Rxd3 bxc3 27.Rxc3 gxf6 28.gxf6 Kd7 29.Nxa3 Ke6 30.Nb5 Kxf6 31.Rf1+ Kg6 32.Rg3+ Kh5 33.Rxf7 Bh6 34.a4 Bf4 35.Rgg7 h6 36.a5 d5 37.a6 d4 38.Nc7 d3 39.cxd3 Rxd3 40.a7 Rxb3+ 41.Ka2 Rb7 42.Nd5 Rxf7 43.Rxf7 Bxh2 44.Nb6 Kg6 45.Rb7 e4 46.a8=Q Rxa8+ 47.Nxa8 e3 48.Re7 Bg1 49.Kb3 h5 50.Kc2 h4 51.Re8 Kf5 52.Kd3 h3 53.Nc7 Kg4 54.Ke2 Kg3 55.Ne6 h2 56.Rg8+ Kh3 57.Kf1 e2+ 58.Kxe2 Bd4 59.Rg6 h1=Q 60.Rh6+ Kg2 61.Nf4+ Kg1 62.Rxh1+ ½-½	Search games Games: 10675260 / Last update: 06 Aug 2025 GamePositionEndgames White Black Ignore colours ECO Year Result All 1-0 0-1 ½-½ Event Site Click below to set up a position to search for Set position Click the button below to select an endgame type
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