White Elo Black Elo ECO Year Res. #       O'Sullivan, Eugene O'Brien, John P C69 1974 ½-½ 23 Devenney, Ray O'Brien, John P C88 1974 ½-½ 21 Murgescu, Radu 2114 O'Brien, John P B90 2004 ½-½ 47 Pasanen, Tuomo Tapio O'Brien, John P E11 2004 ½-½ 50 Page 1
O'Sullivan, Eugene - O'Brien, John P - Mulcahy op (4), Mulcahy, 1974 C69 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 exd4 7.Nxd4 c5 8.Nb3 Qxd1 9.Rxd1 Bd7 10.a4 b6 11.Nc3 O-O-O 12.Bf4 c4 13.Nd2 Be6 14.Nf3 Rxd1+ 15.Rxd1 Bc5 16.Nd4 Bxd4 17.Rxd4 Ne7 18.f3 Rd8 19.Rxd8+ Kxd8 20.Na2 Kd7 21.Nb4 Nc6 22.Nxc6 Kxc6 23.Kf2 ½-½	Search games Games: 10658164 / Last update: 23 Jul 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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