White Elo Black Elo ECO Year Res. #       Grefe, John Alan Prochaska, Peter B30 1973 1-0 23 Popel, Stephan A Prochaska, Peter E60 1977 1-0 34 Karklins, Andrew 2325 Prochaska, Peter B56 1995 1-0 68 Patterson, Tony M Prochaska, Peter A45 1995 1-0 31 Page 1
Grefe, John Alan - Prochaska, Peter - Cherry Tree op (2), Monterey Park, 1973 B30 1.e4 c5 2.Nf3 Nc6 3.Bb5 e6 4.O-O Nge7 5.c3 g6 6.d4 cxd4 7.cxd4 Bg7 8.d5 Qb6 9.Na3 Nd4 10.Nc4 Qc5 11.b4 Qxb4 12.Ba3 Qc3 13.Bb2 Nxf3+ 14.gxf3 Qb4 15.Bxg7 Rg8 16.Rb1 Qc5 17.Bd4 Qc7 18.Be5 Qd8 19.Nd6+ Kf8 20.Qd2 Nf5 21.exf5 gxf5+ 22.Kh1 Qh4 23.Rg1 1-0	Search games Games: 10632100 / Last update: 02 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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