4. Open

J. Maeder (2005)

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2005.08.07
1/2 : 1/2

Jonas Wyss (2025)

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1.c4 f5 2.Nc3 Nf6 3.Nf3 g6 4.g3 Bg7 5.Bg2 O-O 6.O-O d6 7.d4 Qe8 8.d5 a5 9.Nd4 Na6 10.Rb1 e5 11.dxe6 c6 12.Bf4 Qe7 13.Nxf5 gxf5 14.Bxd6