ECO |
开局中文名称 |
开局英文名称 |
步子及每分类500局演示 |
D00 |
后兵开局 |
Queen's pawn game |
1.d4 d5 |
D01 |
后兵开局,里赫特尔-威列索夫开局等 |
Richter-Veresov attack |
1.d4 d5 2.c4 dxc4 3.e4 f5; 1.d4 d5 2.Nc3 Nf6 3.Bg5 |
D02 |
后兵开局,2. Nf3 |
Queen's pawn game, Zukertort Variation |
1.d4 d5 2.Nf3 |
D03 |
后兵开局,托列进攻 |
Torre attack |
1.d4 d5 2.Nf3 Nf6 3.Bg5 |
D04 |
后兵开局,科勒体系 |
Queen's pawn game,Colle System |
1.d4 d5 2.Nf3 Nf6 3.e3 |
D05 |
后兵开局,古典防御;楚克尔托特变例 |
Queen's pawn game, Zukertort variation |
1.d4 d5 2.Nf3 Nf6 3.e3 e6 |
D06 |
后翼弃兵 |
Queen's Gambit |
1.d4 d5 2.c4 |
D07 |
拒后翼弃兵,奇戈林防御 |
QGD; Chigorin defense |
1.d4 d5 2.c4 Nc6 |
D08 |
拒后翼弃兵,阿尔宾反弃兵 |
QGD; Albin counter-gambit |
1.d4 d5 2.c4 e5 |
D09 |
拒后翼弃兵,阿尔宾反弃兵,5.g3 |
QGD; Albin counter-gambit, 5.g3 |
1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.g3 |
D10 |
斯拉夫防御 |
QGD; Slav defense |
1.d4 d5 2.c4 c6 |
D11 |
斯拉夫防御,3.Nf3 |
QGD; Slav defense, 3.Nf3 |
1.d4 d5 2.c4 c6 3.Nf3 |
D12 |
斯拉夫防御,4.e3 Bf5 |
QGD; Slav defense, 4.e3 Bf5 |
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 |
D13 |
斯拉夫防御,兑换变例 |
QGD; Slav defense, Exchange variation |
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 |
D14 |
斯拉夫防御,兑换变例,6.Bf4 Bf5 |
QGD; Slav defense,Symmetrical Line |
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5 |
D15 |
斯拉夫接受,三马变例等 |
QGD; Slav accepted, Three Knights Variation etc |
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 |
D16 |
斯拉夫接受,阿拉宾变例 |
QGD; Slav accepted, Alapin variation |
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 |
D17 |
捷克防御,开放斯拉夫防御 |
QGD; Open Slav defense, Czech defence |
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 |
D18 |
斯拉夫防御,荷兰变例 |
QGD; Dutch variation |
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 |
D19 |
斯拉夫防御,主线,捷克防御 |
QGD; Main Line, Czech Variation |
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O O-O 9.Qe2 |
D20 |
接受后翼弃兵 |
Queen's Gambit accepted |
1.d4 d5 2.c4 dxc4 |
D21 |
接受后翼弃兵,3.Nf3 |
QGA, 3.Nf3 |
1.d4 d5 2.c4 dxc4 3.Nf3 |
D22 |
接受后翼弃兵,3…a6阿廖欣防御等 |
QGA; Alekhine defense |
1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 |
D23 |
接受后翼弃兵,3…Nf6 |
Queen's gambit accepted |
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 |
D24 |
接受后翼弃兵,4.Nc3 |
QGA, Showalter Variation 4.Nc3 |
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3 |
D25 |
接受后翼弃兵,4.e3 |
QGA, 4.e3 |
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 |
D26 |
接受后翼弃兵,古典变例 |
QGA; classical variation |
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 |
D27 |
接受后翼弃兵,鲁宾斯坦变例 |
QGA; Rubinstein Variation |
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 |
D28 |
接受后翼弃兵,阿廖辛体系古典防御7.Qe2 |
QGA; Alekhine System, Classical Defense, 7.Qe2 |
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 |
D29 |
接受后翼弃兵,8…Bb7 |
QGA; Classical variation 8…Bb7 |
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bb3 Bb7 |
D30 |
拒后翼弃兵,2…e6 |
QGD |
1.d4 d5 2.c4 e6 |
D31 |
拒后翼弃兵,2…Bf5或3.Nc3(除3…c5及Nf6外) |
QGD, |
1.d4 d5 2.c4 Bf5; 1.d4 d5 2.c4 e6 3.Nc3 c6(a6,b6,Be7) |
D32 |
拒后翼弃兵,塔拉什防御 |
QGD; Tarrasch defense |
1.d4 d5 2.c4 e6 3.Nc3 c5 |
D33 |
拒后翼弃兵,塔拉什防御,施莱切特-鲁宾斯坦体系 |
QGD; Tarrasch, Schlechter-Rubinstein system |
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 |
D34 |
拒后翼弃兵,塔拉什防御,7…Be7 |
QGD; Tarrasch, 7…Be7 |
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 |
D35 |
拒后翼弃兵,3…Nf6 |
QGD; 3…Nf6 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 |
D36 |
拒后翼弃兵,兑换,局面路线,6.Qc2 |
QGD; Exchange, positional line, 6.Qc2 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.Qc2 |
D37 |
拒后翼弃兵,三马变例 |
QGD; Three Knights Variation |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 |
D38 |
拒后翼弃兵,拉戈金变例 |
QGD; Ragozin variation |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 |
D39 |
拒后翼弃兵,维也纳变例 |
QGD; Vienna variation |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Bg5 dxc4 |
D40 |
拒后翼弃兵,半塔拉什防御, |
QGD; Semi-Tarrasch defense |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 |
D41 |
拒后翼弃兵,半塔拉什防御,5.cd |
QGD; Semi-Tarrasch, 5.cd |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 |
D42 |
拒后翼弃兵,半塔拉什防御,7.Bd3 |
QGD; Semi-Tarrasch, 7.Bd3 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 |
D43 |
拒后翼弃兵,半斯拉夫 |
QGD; Semi-Slav |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 |
D44 |
拒后翼弃兵,半斯拉夫接受 5.Bg5 dc |
QGD; Semi-Slav Defense Accepted; |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 |
D45 |
拒后翼弃兵,半斯拉夫 5.e3 |
QGD; Semi-Slav 5.e3 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 |
D46 |
拒后翼弃兵,半斯拉夫 6.Bd3 |
QGD; Semi-Slav 6.Bd3 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 |
D47 |
拒后翼弃兵,半斯拉夫 7.Bc4 |
QGD; Semi-Slav 7.Bc4 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 |
D48 |
拒后翼弃兵,半斯拉夫 8…a6 |
QGD; Semi-Slav, 8…a6 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 |
D49 |
拒后翼弃兵,11. Nxb5 |
QGD; 11. Nxb5 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 9.e4 c5 10.e5 cxd4 11.Nxb5 |
D50 |
拒后翼弃兵,现代变例 4.Bg5 |
QGD; Modern Variation 4.Bg5 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 |
D51 |
拒后翼弃兵,马防御 4.Bg5 Nbd7 |
QGD; Knight Defense 4.Bg5 Nbd7 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 |
D52 |
拒后翼弃兵,4.Bg5 Nbd7 5.e3 |
QGD |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 |
D53 |
拒后翼弃兵,4.Bg5 Be7 |
QGD; 4.Bg5 Be7 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 |
D54 |
拒后翼弃兵,反新正统变例 |
QGD; Anti-neo-Orthodox variation |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Rc1 |
D55 |
拒后翼弃兵,6.Nf3 |
QGD; 6.Nf3 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 |
D56 |
拒后翼弃兵,拉斯克防御 |
QGD; Lasker defense |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 |
D57 |
拒后翼弃兵,拉斯克防御,主线 |
QGD; Lasker defense, Main line |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 8.Bxe7 Qxe7 9.cxd5 |
D58 |
拒后翼弃兵,塔塔科维体系 |
QGD; Tartakower Defense |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6 |
D59 |
拒后翼弃兵,塔塔科维体系兑换变例 |
QGD; Exchange Variation, Tartakower Defense, |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6 8.cxd5 Nxd5 |
D60 |
拒后翼弃兵,正统防御 |
QGD; Orthodox defense |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 |
D61 |
拒后翼弃兵,正统防御,鲁宾斯坦变例 |
QGD; Orthodox defense, Rubinstein variation |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Qc2 |
D62 |
拒后翼弃兵,正统防御,7.Qc2 c5, 8.cd |
QGD; Orthodox defense, 7.Qc2 c5, 8.cd |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Qc2 c5 8.cxd5 |
D63 |
拒后翼弃兵,正统防御,7.Rc1 |
QGD; Orthodox defense, 7.Rc1 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 |
D64 |
拒后翼弃兵,正统防御,鲁宾斯坦进攻等 |
QGD; Orthodox defense, Rubinstein attack |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 10.h4 |
D65 |
拒后翼弃兵,正统防御,鲁宾斯坦进攻,主线 |
QGD; Orthodox defense, Rubinstein attack |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Qc2 a6 9.cxd5 |
D66 |
拒后翼弃兵,正统防御,Bd3 路线 |
QGD; Orthodox defense, Bd3 line |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 |
D67 |
拒后翼弃兵,正统防御,Bd3 路线,卡帕布兰卡 |
QGD; Orthodox defense, Bd3 line, Capablanca freeing manoever |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 |
D68 |
拒后翼弃兵,正统防御,古典变例 |
QGD; Orthodox defense, Classical variation |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O Nxc3 12.Rxc3 e5 |
D69 |
拒后翼弃兵,正统防御,古典,13.dxe5 |
QGD; Orthodox defense, Classical, 13.dxe5 |
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O Nxc3 12.Rxc3 e5 13.dxe5 |
D70 |
新格林菲尔德防御 |
Neo-Gruenfeld defense,King's Indian Defense; West Indian Defense |
1.d4 Nf6 2.c4 g6 |
D71 |
新格林菲尔德防御,4…Bg7 |
Neo-Gruenfeld |
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 |
D72 |
新格林菲尔德防御,5.cd,主线 |
Neo-Gruenfeld, 5.cd, Main line |
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.cxd5 Nxd5 6.e4 Nb6 |
D73 |
新格林菲尔德防御,5.Nf3 |
Neo-Gruenfeld, 5.Nf3 |
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 |
D74 |
新格林菲尔德防御,延迟兑换变例 |
Neo-Gruenfeld,Delayed Exchange Variation |
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O |
D75 |
新格林菲尔德防御,6.cd Nxd5,7.O-O c5,8.Nc3 |
Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3 |
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O c5 |
D76 |
新格林菲尔德防御,6.cd Nxd5,7.O-O Nb6 |
Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6 |
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O Nb6 |
D77 |
新格林菲尔德防御,古典变例 6.O-O |
Neo-Gruenfeld, Classical Variation |
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O |
D78 |
新格林菲尔德防御,6.O-O c6 |
Neo-Gruenfeld, 6.O-O c6 |
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 |
D79 |
新格林菲尔德防御,6.O-O,主线 |
Neo-Gruenfeld, 6.O-O, Main line |
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.cxd5 |
D80 |
格林菲尔德防御 |
Gruenfeld defense |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 |
D81 |
格林菲尔德防御,加速俄罗斯变例 |
Gruenfeld; Accelerated Russian Variation |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Qb3 |
D82 |
格林菲尔德防御,布林克曼攻击4.Bf4 |
Gruenfeld Brinckmann Attack |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 |
D83 |
格林菲尔德弃兵 |
Gruenfeld gambit |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O |
D84 |
格林菲尔德防御接受弃兵 |
Gruenfeld gambit accepted |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.cxd5 Nxd5 |
D85 |
格林菲尔德防御,兑换变例 |
Gruenfeld, exchange variation |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 |
D86 |
格林菲尔德防御,兑换,古典变例主线 |
Gruenfeld, Exchange, Classical variation |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 |
D87 |
格林菲尔德防御,兑换,斯帕斯基变例 |
Gruenfeld, Exchange, Spassky variation |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 |
D88 |
格林菲尔德防御,斯帕斯基变例,主线,10…cd,11.cd |
Gruenfeld, Spassky variation, Main line, 10…cd, 11.cd |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6 10.Be3 cxd4 |
D89 |
格林菲尔德防御,斯帕斯基变例,主线,13.Bd3 |
Gruenfeld, Spassky variation, Main line, 13.Bd3 |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6 10.Be3 cxd4 11.cxd4 Bg4 12.f3 Na5 13.Bd3 |
D90 |
格林菲尔德防御,三马变例 |
Gruenfeld, Three knights variation |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 |
D91 |
格林菲尔德防御,彼得罗相体系 |
Gruenfeld, Petrosian System |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5 |
D92 |
格林菲尔德防御,匈牙利攻击 |
Gruenfeld, Hungarian Attack |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 |
D93 |
格林菲尔德防御带5. Bf4 O-O 6. E3 |
Gruenfeld with 5. Bf4 O-O 6. E3 |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3 |
D94 |
格林菲尔德防御,5.e3 |
Gruenfeld, 5.e3 |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 |
D95 |
格林菲尔德防御带5. E3 O-O 6. Qb3 |
Gruenfeld with 5. E3 O-O 6. Qb3 |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 |
D96 |
格林菲尔德防御,俄罗斯变例 |
Gruenfeld, Russian variation |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 |
D97 |
格林菲尔德防御,俄罗斯变例 7.e4 |
Gruenfeld, Russian variation 7.e4 |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 |
D98 |
格林菲尔德防御,俄罗斯,斯梅斯洛夫变例 |
Gruenfeld, Russian, Smyslov variation |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 |
D99 |
格林菲尔德防御,斯梅斯洛夫,主线 |
Gruenfeld defense, Smyslov, Main line |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 8.Be3 Nfd7 9.Qb3 |