開局

Queen's Gambit Declined

1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Bd3 Nbd7 6.Nbd2 Bd6 7.O-O O-O 8.e4 e5 9.cxd5 cxd5 10.exd5 exd4 11.Ne4
頂級棋手