| Position |
Opening |
Usage Ratio |
Games |
 |
 |
| Win |
Lost |
Draw |
Win |
Lost |
Draw |
| 1 |
C50 Hungarian defence |
 |
7.0% |
 |
|
127 |
0 |
0 |
0 |
87 |
32 |
8 |
| 2 |
C24 Bishop's opening: Berlin defence |
 |
5.2% |
 |
|
94 |
0 |
0 |
0 |
63 |
21 |
10 |
| 3 |
C45 Scotch game |
 |
|
 | 2.2% |
|
40 |
0 |
0 |
0 |
25 |
14 |
1 |
| 4 |
A45 Queen's pawn game |
 |
|
 | 2.0% |
|
36 |
0 |
0 |
0 |
19 |
12 |
5 |
| 5 |
A00 Van't Kruijs opening |
 |
|
 | 1.4% |
|
26 |
0 |
0 |
0 |
15 |
11 |
0 |
| 6 |
A04 Reti opening |
 |
|
 | 1.3% |
|
23 |
1 |
1 |
0 |
9 |
9 |
3 |
| 7 |
C80 Ruy Lopez: open (Tarrasch) defence |
 |
|
 | 1.3% |
|
24 |
0 |
0 |
0 |
14 |
9 |
1 |
| 8 |
C21 Danish gambit: Soerensen defence |
 |
|
 | 0.9% |
|
17 |
0 |
0 |
0 |
8 |
9 |
0 |
| 9 |
C36 KGA: Abbazia defence, modern variation |
 |
|
 | 0.7% |
|
12 |
0 |
0 |
0 |
4 |
7 |
1 |
| 10 |
C68 Ruy Lopez: exchange variation |
 |
|
 | 1.9% |
|
34 |
9 |
3 |
2 |
12 |
7 |
1 |
| 11 |
C47 Four knights: Scotch, 4...exd4 |
 |
|
 | 0.3% |
|
6 |
0 |
0 |
0 |
1 |
5 |
0 |
| 12 |
C45 Scotch: Potter variation |
 |
|
 | 0.3% |
|
5 |
0 |
0 |
0 |
1 |
4 |
0 |
| 13 |
C69 Ruy Lopez: exchange variation, Alapin gambit |
 |
|
 | 1.0% |
|
18 |
2 |
2 |
0 |
10 |
4 |
0 |
| 14 |
C77 Ruy Lopez: Anderssen variation |
 |
|
 | 1.0% |
|
18 |
0 |
0 |
0 |
13 |
4 |
1 |
| 15 |
C83 Ruy Lopez: open, classical defence |
 |
|
 | 0.3% |
|
5 |
0 |
0 |
0 |
2 |
3 |
0 |
| 16 |
C80 Ruy Lopez: open, 8...Be6 |
 |
|
 | 0.3% |
|
6 |
0 |
0 |
0 |
3 |
3 |
0 |
| 17 |
C80 Ruy Lopez: open, 7.Bb3 |
 |
|
 | 0.4% |
|
8 |
0 |
0 |
0 |
4 |
3 |
1 |
| 18 |
A18 English: Mikenas-Carls variation |
 |
|
 | 0.2% |
|
3 |
0 |
0 |
0 |
0 |
3 |
0 |
| 19 |
C44 Scotch gambit |
 |
|
 | 0.3% |
|
6 |
0 |
0 |
0 |
3 |
3 |
0 |
| 20 |
E00 Queen's pawn game |
 |
|
 | 0.3% |
|
5 |
0 |
0 |
0 |
2 |
3 |
0 |
| 21 |
C44 Ponziani: Jaenisch counter-attack |
 |
|
 | 0.5% |
|
9 |
0 |
0 |
0 |
6 |
3 |
0 |
| 22 |
C44 King's pawn game |
 |
|
 | 0.9% |
|
16 |
0 |
0 |
0 |
11 |
3 |
2 |
| 23 |
C20 KP: Indian opening |
 |
|
 | 0.8% |
|
14 |
0 |
0 |
0 |
11 |
3 |
0 |
| 24 |
E30 Nimzo-Indian: Leningrad variation |
 |
|
 | 0.3% |
|
6 |
0 |
0 |
0 |
2 |
3 |
1 |
| 25 |
E26 Nimzo-Indian: Saemisch variation |
 |
|
 | 0.3% |
|
5 |
0 |
0 |
0 |
2 |
3 |
0 |
| 26 |
C31 KGD: Falkbeer, 3...e4 |
 |
|
 | 0.6% |
|
11 |
0 |
0 |
0 |
8 |
3 |
0 |
| 27 |
C20 KP: Patzer opening |
 |
|
 | 0.3% |
|
6 |
0 |
0 |
0 |
3 |
3 |
0 |
| 28 |
E21 Nimzo-Indian: three knights variation |
 |
|
 | 0.3% |
|
6 |
0 |
0 |
0 |
3 |
3 |
0 |
| 29 |
C21 Centre game |
 |
|
 | 0.4% |
|
7 |
0 |
0 |
0 |
4 |
3 |
0 |
| 30 |
C22 Centre game |
 |
|
 | 0.6% |
|
11 |
0 |
0 |
0 |
8 |
3 |
0 |
| 31 |
C26 Vienna: Falkbeer variation |
 |
|
 | 0.6% |
|
10 |
0 |
0 |
0 |
6 |
3 |
1 |
| 32 |
C20 King's pawn game |
 |
|
 | 0.3% |
|
5 |
0 |
0 |
0 |
3 |
2 |
0 |
| 33 |
C49 Four knights: double Ruy Lopez |
 |
|
 | 0.4% |
|
7 |
0 |
0 |
0 |
4 |
2 |
1 |
| 34 |
C46 Four knights: Schultze-Mueller gambit |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
1 |
2 |
1 |
| 35 |
C26 Vienna game |
 |
|
 | 0.2% |
|
3 |
0 |
0 |
0 |
1 |
2 |
0 |
| 36 |
C45 Scotch: Blumenfeld attack |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
0 |
2 |
0 |
| 37 |
C27 Vienna game |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
1 |
2 |
1 |
| 38 |
C31 KGD: Falkbeer, Tartakower variation |
 |
|
 | 0.2% |
|
3 |
0 |
0 |
0 |
1 |
2 |
0 |
| 39 |
C31 KGD: Falkbeer, 4.d3 |
 |
|
 | 0.3% |
|
5 |
0 |
0 |
0 |
3 |
2 |
0 |
| 40 |
C32 KGD: Falkbeer, main line, 7...Bf5 |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
0 |
2 |
0 |
| 41 |
C44 Scotch: Goering gambit |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
0 |
2 |
0 |
| 42 |
C44 Scotch: Goering gambit |
 |
|
 | 0.3% |
|
5 |
0 |
0 |
0 |
1 |
2 |
2 |
| 43 |
A15 English, 1...Nf6 (Anglo-Indian defense) |
 |
|
 | 0.5% |
|
9 |
0 |
0 |
0 |
6 |
2 |
1 |
| 44 |
E11 Bogo-Indian defence |
 |
|
 | 0.2% |
|
3 |
0 |
0 |
0 |
1 |
2 |
0 |
| 45 |
E00 Catalan opening |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
0 |
2 |
0 |
| 46 |
A17 English opening |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
1 |
2 |
1 |
| 47 |
A02 Bird: From gambit, Lasker variation |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
1 |
2 |
1 |
| 48 |
A45 Trompovsky attack (Ruth, Opovcensky opening) |
 |
|
 | 0.2% |
|
3 |
0 |
0 |
0 |
1 |
2 |
0 |
| 49 |
E14 Queen's Indian: 4.e3 |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
0 |
2 |
0 |
| 50 |
A01 Nimzovich-Larsen attack |
 |
|
 | 0.4% |
|
7 |
0 |
0 |
0 |
5 |
2 |
0 |
| 51 |
A00 Mieses opening |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
2 |
2 |
0 |
| 52 |
E20 Nimzo-Indian defence |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
1 |
2 |
1 |
| 53 |
E20 Nimzo-Indian: Kmoch variation |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
2 |
2 |
0 |
| 54 |
E41 Nimzo-Indian: 4.e3 c5 |
 |
|
 | 0.2% |
|
3 |
0 |
0 |
0 |
1 |
1 |
1 |
| 55 |
E35 Nimzo-Indian: classical, Noa variation, 5.cd ed |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 56 |
E24 Nimzo-Indian: Saemisch variation |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
1 |
1 |
0 |
| 57 |
C33 KGA: bishop's gambit, Jaenisch variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 58 |
C20 KP: Napoleon's opening |
 |
|
 | 0.3% |
|
5 |
0 |
0 |
0 |
4 |
1 |
0 |
| 59 |
E11 Bogo-Indian defence, Nimzovich variation |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
1 |
1 |
0 |
| 60 |
C20 KP: Lopez opening |
 |
|
 | 0.2% |
|
3 |
0 |
0 |
0 |
2 |
1 |
0 |
| 61 |
E12 Queen's Indian defence |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 62 |
E12 Queen's Indian: Petrosian system |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
0 |
1 |
1 |
| 63 |
C20 Alapin's opening |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
1 |
1 |
0 |
| 64 |
C27 Boden-Kieseritsky gambit |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 65 |
E12 Queen's Indian: 4.Nc3 |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
1 |
1 |
0 |
| 66 |
C21 Danish gambit |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
1 |
1 |
0 |
| 67 |
E16 Queen's Indian: Capablanca variation |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
0 |
1 |
1 |
| 68 |
C22 Centre game: Paulsen attack |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
3 |
1 |
0 |
| 69 |
C77 Ruy Lopez: Morphy defence |
 |
|
 | 0.2% |
|
3 |
0 |
0 |
0 |
2 |
1 |
0 |
| 70 |
C69 Ruy Lopez: exchange, Gligoric variation |
 |
|
 | 0.5% |
|
9 |
3 |
4 |
1 |
0 |
1 |
0 |
| 71 |
C78 Ruy Lopez: Moeller defence |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 72 |
C80 Ruy Lopez: open, Tartakower variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 73 |
C62 Ruy Lopez: old Steinitz defence |
 |
3.8% |
 |
|
69 |
43 |
17 |
7 |
1 |
1 |
0 |
| 74 |
C57 two knights defence: Fritz variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 75 |
C55 Two knights defence (Modern bishop's opening) |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 76 |
C80 Ruy Lopez: open, Schlechter defence |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 77 |
C49 Four knights: Nimzovich (Paulsen) variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 78 |
C80 Ruy Lopez: open, Bernstein variation |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
0 |
1 |
1 |
| 79 |
C83 Ruy Lopez: open, Malkin variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 80 |
C47 Four knights: Scotch variation |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
1 |
1 |
0 |
| 81 |
C46 Four knights: Italian variation |
 |
|
 | 0.3% |
|
5 |
0 |
0 |
0 |
4 |
1 |
0 |
| 82 |
D00 Queen's pawn game |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 83 |
C46 Three knights game |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
2 |
1 |
1 |
| 84 |
D02 Queen's pawn game |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 85 |
D06 QGD: Marshall defence |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 86 |
C44 Scotch gambit: Benima defence |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 87 |
C44 Scotch gambit: Anderssen (Paulsen, Suhle) counter-attack |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
0 |
1 |
1 |
| 88 |
D10 QGD Slav defence |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 89 |
E00 Neo-Indian (Seirawan) attack |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 90 |
C36 KGA: Abbazia defence (classical defence, modern defence) |
 |
|
 | 0.3% |
|
6 |
0 |
0 |
0 |
4 |
1 |
1 |
| 91 |
A00 Polish (Sokolsky) opening |
 |
|
 | 0.3% |
|
6 |
0 |
0 |
0 |
5 |
1 |
0 |
| 92 |
A00 Benko's opening |
 |
|
 | 0.6% |
|
11 |
0 |
0 |
0 |
10 |
1 |
0 |
| 93 |
A00 Grob's attack |
 |
|
 | 0.3% |
|
5 |
0 |
0 |
0 |
4 |
1 |
0 |
| 94 |
B00 KP: Nimzovich defence |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 95 |
A00 Dunst (Sleipner, Heinrichsen) opening |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
3 |
1 |
0 |
| 96 |
A46 Queen's pawn game |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 97 |
A46 Queen's pawn: Torre attack |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 98 |
A00 Ware (Meadow Hay) opening |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 99 |
A00 Saragossa opening |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
3 |
1 |
0 |
| 100 |
A17 English: Nimzo-English opening |
 |
|
 | 0.2% |
|
3 |
0 |
0 |
0 |
0 |
1 |
2 |
| 101 |
A02 Bird's opening |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
3 |
1 |
0 |
| 102 |
A01 Nimzovich-Larsen attack: symmetrical variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 103 |
C65 Ruy Lopez: Berlin defence, Beverwijk variation |
 |
|
 | <0.1% |
|
2 |
1 |
1 |
0 |
0 |
0 |
0 |
| 104 |
C65 Ruy Lopez: Berlin defence, 4.O-O |
 |
|
 | <0.1% |
|
2 |
1 |
1 |
0 |
0 |
0 |
0 |
| 105 |
C65 Ruy Lopez: Berlin defence, Anderssen variation |
 |
|
 | <0.1% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 106 |
C65 Ruy Lopez: Berlin defence |
 |
|
 | 1.3% |
|
24 |
14 |
7 |
3 |
0 |
0 |
0 |
| 107 |
C64 Ruy Lopez: classical defence, Benelux variation |
 |
|
 | <0.1% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 108 |
C66 Ruy Lopez: Berlin defence, 4.O-O, d6 |
 |
|
 | 0.2% |
|
3 |
2 |
0 |
1 |
0 |
0 |
0 |
| 109 |
B01 Scandinavian: Pytel-Wade variation |
 |
|
 | 0.3% |
|
5 |
4 |
0 |
1 |
0 |
0 |
0 |
| 110 |
C68 Ruy Lopez: exchange, Keres variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 111 |
C69 Ruy Lopez: exchange variation, 5.O-O |
 |
2.8% |
 |
|
50 |
32 |
12 |
3 |
3 |
0 |
0 |
| 112 |
B01 Scandinavian (centre counter) defence |
 |
2.7% |
 |
|
49 |
27 |
13 |
9 |
0 |
0 |
0 |
| 113 |
B00 KP: Nimzovich defence |
 |
|
 | 1.0% |
|
19 |
10 |
7 |
1 |
1 |
0 |
0 |
| 114 |
C69 Ruy Lopez: exchange, Bronstein variation |
 |
|
 | <0.1% |
|
2 |
1 |
1 |
0 |
0 |
0 |
0 |
| 115 |
C77 Ruy Lopez: four knights (Tarrasch) variation |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
4 |
0 |
0 |
| 116 |
C77 Ruy Lopez: Treybal (Bayreuth) variation (exchange var. deferred) |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
2 |
0 |
0 |
| 117 |
C64 Ruy Lopez: classical defence, 4.c3 |
 |
|
 | 0.7% |
|
13 |
12 |
1 |
0 |
0 |
0 |
0 |
| 118 |
C63 Ruy Lopez: Schliemann defence, Berger variation |
 |
|
 | 0.2% |
|
3 |
2 |
1 |
0 |
0 |
0 |
0 |
| 119 |
B01 Scandinavian defence |
 |
|
 | 0.6% |
|
11 |
8 |
3 |
0 |
0 |
0 |
0 |
| 120 |
C61 Ruy Lopez: Bird's defence |
 |
|
 | 1.7% |
|
30 |
22 |
7 |
1 |
0 |
0 |
0 |
| 121 |
C60 Ruy Lopez: Cozio defence |
 |
|
 | 1.1% |
|
20 |
14 |
4 |
2 |
0 |
0 |
0 |
| 122 |
C60 Ruy Lopez: Brentano defence |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 123 |
C60 Ruy Lopez: Vinogradov variation |
 |
|
 | 0.2% |
|
4 |
4 |
0 |
0 |
0 |
0 |
0 |
| 124 |
C60 Ruy Lopez: Nuernberg variation |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 125 |
C60 Ruy Lopez (Spanish opening) |
 |
|
 | 1.3% |
|
24 |
13 |
10 |
1 |
0 |
0 |
0 |
| 126 |
B02 Alekhine's defence |
 |
|
 | 0.6% |
|
10 |
5 |
4 |
1 |
0 |
0 |
0 |
| 127 |
B02 Alekhine's defence: Scandinavian variation |
 |
|
 | 0.3% |
|
5 |
3 |
1 |
1 |
0 |
0 |
0 |
| 128 |
C55 Two knights defence |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 129 |
B06 Robatsch (modern) defence |
 |
|
 | 1.3% |
|
23 |
17 |
6 |
0 |
0 |
0 |
0 |
| 130 |
B06 Robatsch (modern) defence |
 |
|
 | 0.2% |
|
3 |
1 |
2 |
0 |
0 |
0 |
0 |
| 131 |
B07 Pirc defence |
 |
|
 | 0.2% |
|
4 |
2 |
1 |
1 |
0 |
0 |
0 |
| 132 |
B07 Pirc: Byrne variation |
 |
|
 | <0.1% |
|
2 |
1 |
1 |
0 |
0 |
0 |
0 |
| 133 |
E90 King's Indian: 5.Nf3 |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 134 |
E80 King's Indian: Saemisch variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 135 |
A00 Clemenz (Mead's, Basman's or de Klerk's) opening |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 136 |
E22 Nimzo-Indian: Spielmann variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 137 |
A00 Anderssen's opening |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 138 |
A00 Anti-Borg (Desprez) opening |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
2 |
0 |
0 |
| 139 |
A01 Nimzovich-Larsen attack: Indian variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 140 |
A02 Bird: From gambit |
 |
|
 | 0.4% |
|
7 |
0 |
0 |
0 |
7 |
0 |
0 |
| 141 |
A05 Reti opening |
 |
|
 | 0.2% |
|
3 |
0 |
0 |
0 |
2 |
0 |
1 |
| 142 |
A15 English orang-utan |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 143 |
A15 English opening |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
0 |
1 |
| 144 |
A16 English opening |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
2 |
0 |
0 |
| 145 |
A17 English: Queens Indian formation |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
2 |
0 |
0 |
| 146 |
A45 Canard opening |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 147 |
D01 Richter-Veresov attack |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 148 |
D00 Queen's pawn: Chigorin variation |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
2 |
0 |
0 |
| 149 |
D00 Queen's pawn: stonewall attack |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 150 |
D00 Queen's pawn, Mason variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 151 |
C83 Ruy Lopez: open, 9...Be7, 10.Re1 |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 152 |
A47 Queen's Indian defence |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 153 |
A50 Queen's pawn game |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 154 |
B00 King's pawn opening |
 |
|
 | 1.8% |
|
32 |
22 |
9 |
1 |
0 |
0 |
0 |
| 155 |
B00 Corn stalk defence |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 156 |
B00 Lemming defence |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 157 |
B00 Fred |
 |
|
 | 0.2% |
|
3 |
3 |
0 |
0 |
0 |
0 |
0 |
| 158 |
B00 Barnes defence |
 |
|
 | <0.1% |
|
2 |
2 |
0 |
0 |
0 |
0 |
0 |
| 159 |
B00 Reversed Grob (Borg/Basman defence/macho Grob) |
 |
|
 | 0.2% |
|
4 |
4 |
0 |
0 |
0 |
0 |
0 |
| 160 |
C79 Ruy Lopez: Steinitz defence deferred (Russian defence) |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
1 |
0 |
1 |
| 161 |
B00 St. George (Baker) defence |
 |
|
 | 0.4% |
|
8 |
6 |
2 |
0 |
0 |
0 |
0 |
| 162 |
B00 Owen defence |
 |
|
 | 1.2% |
|
21 |
15 |
5 |
1 |
0 |
0 |
0 |
| 163 |
C77 Ruy Lopez: Wormald (Alapin) attack |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
0 |
1 |
| 164 |
C25 Vienna game |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 165 |
C00 French defence |
 |
|
 | 0.8% |
|
15 |
10 |
5 |
0 |
0 |
0 |
0 |
| 166 |
C26 Vienna: Mengarini variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 167 |
C00 French defence |
 |
|
 | 0.2% |
|
3 |
1 |
1 |
1 |
0 |
0 |
0 |
| 168 |
C00 French defence |
 |
|
 | 1.3% |
|
24 |
16 |
7 |
1 |
0 |
0 |
0 |
| 169 |
C00 French: Steinitz attack |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 170 |
C31 KGD: Falkbeer counter-gambit |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
2 |
0 |
0 |
| 171 |
C00 French: Reti (Spielmann) variation |
 |
|
 | 0.2% |
|
4 |
1 |
3 |
0 |
0 |
0 |
0 |
| 172 |
C31 KGD: Falkbeer, Milner-Barry variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 173 |
B52 Sicilian: Canal-Sokolsky attack, 3...Bd7 |
 |
|
 | 1.4% |
|
26 |
15 |
9 |
2 |
0 |
0 |
0 |
| 174 |
C31 KGD: Falkbeer, Rubinstein variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 175 |
B51 Sicilian: Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack |
 |
|
 | 1.3% |
|
23 |
12 |
10 |
1 |
0 |
0 |
0 |
| 176 |
C32 KGD: Falkbeer, 5.de |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
2 |
0 |
0 |
| 177 |
B50 Sicilian |
 |
|
 | 0.2% |
|
4 |
3 |
1 |
0 |
0 |
0 |
0 |
| 178 |
C32 KGD: Falkbeer, Charousek gambit |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 179 |
C33 KGA: bishop's gambit |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 180 |
C33 KGA: bishop's gambit, Cozio (Morphy) defence |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 181 |
B40 Sicilian defence |
 |
|
 | 1.3% |
|
23 |
18 |
3 |
2 |
0 |
0 |
0 |
| 182 |
C10 French: Rubinstein variation |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 183 |
C11 French defence |
 |
|
 | <0.1% |
|
2 |
0 |
1 |
1 |
0 |
0 |
0 |
| 184 |
C15 French: Winawer (Nimzovich) variation |
 |
|
 | <0.1% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 185 |
C10 French: Paulsen variation |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 186 |
C08 French: Tarrasch, open, 4.ed ed |
 |
|
 | 0.3% |
|
5 |
3 |
1 |
1 |
0 |
0 |
0 |
| 187 |
C20 KP: Mengarini's opening |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 188 |
C07 French: Tarrasch, open variation |
 |
|
 | 0.2% |
|
4 |
1 |
3 |
0 |
0 |
0 |
0 |
| 189 |
C05 French: Tarrasch, closed variation |
 |
|
 | 0.2% |
|
4 |
3 |
1 |
0 |
0 |
0 |
0 |
| 190 |
C05 French: Tarrasch, Botvinnik variation |
 |
|
 | <0.1% |
|
2 |
1 |
1 |
0 |
0 |
0 |
0 |
| 191 |
C05 French: Tarrasch, closed variation |
 |
|
 | 0.2% |
|
3 |
2 |
1 |
0 |
0 |
0 |
0 |
| 192 |
C03 French: Tarrasch, Guimard variation |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 193 |
C21 Halasz gambit |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 194 |
C03 French: Tarrasch |
 |
|
 | 0.3% |
|
6 |
4 |
1 |
1 |
0 |
0 |
0 |
| 195 |
C01 French: exchange, Bogolyubov variation |
 |
|
 | <0.1% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 196 |
C21 Centre game |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
0 |
0 |
1 |
| 197 |
C01 French: exchange variation |
 |
|
 | 0.2% |
|
3 |
2 |
1 |
0 |
0 |
0 |
0 |
| 198 |
C00 French defence |
 |
|
 | <0.1% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 199 |
C22 Centre game: Berger variation |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 200 |
C00 Lengfellner system |
 |
|
 | 0.3% |
|
5 |
3 |
2 |
0 |
0 |
0 |
0 |
| 201 |
B30 Sicilian defence |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 202 |
C44 Konstantinopolsky opening |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 203 |
C44 Dresden opening |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 204 |
C44 Inverted Hungarian |
 |
|
 | <0.1% |
|
2 |
0 |
0 |
0 |
2 |
0 |
0 |
| 205 |
B29 Sicilian: Nimzovich-Rubinstein variation |
 |
|
 | <0.1% |
|
2 |
2 |
0 |
0 |
0 |
0 |
0 |
| 206 |
B28 Sicilian: O'Kelly variation |
 |
|
 | 0.5% |
|
9 |
6 |
2 |
1 |
0 |
0 |
0 |
| 207 |
B27 Sicilian: Katalimov variation |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 208 |
B27 Sicilian defence |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 209 |
B18 Caro-Kann: classical variation |
 |
|
 | 0.3% |
|
5 |
2 |
3 |
0 |
0 |
0 |
0 |
| 210 |
B17 Caro-Kann: Steinitz variation |
 |
|
 | 0.2% |
|
3 |
2 |
1 |
0 |
0 |
0 |
0 |
| 211 |
B15 Caro-Kann: Forgacs variation |
 |
|
 | 0.2% |
|
3 |
2 |
0 |
1 |
0 |
0 |
0 |
| 212 |
B15 Caro-Kann: Gurgenidze system |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 213 |
B15 Caro-Kann defence |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 214 |
B12 Caro-Kann: advance variation |
 |
|
 | 0.3% |
|
5 |
3 |
1 |
1 |
0 |
0 |
0 |
| 215 |
C46 Four knights game |
 |
|
 | 0.2% |
|
4 |
0 |
0 |
0 |
4 |
0 |
0 |
| 216 |
B12 Caro-Kann defence |
 |
|
 | 0.2% |
|
4 |
2 |
1 |
1 |
0 |
0 |
0 |
| 217 |
B10 Caro-Kann defence |
 |
|
 | 0.6% |
|
11 |
4 |
5 |
2 |
0 |
0 |
0 |
| 218 |
B09 Pirc: Austrian attack, 6.e5 |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 219 |
B31 Sicilian: Nimzovich-Rossolimo attack (with ...g6, without ...d6) |
 |
|
 | 0.5% |
|
9 |
4 |
5 |
0 |
0 |
0 |
0 |
| 220 |
B30 Sicilian: Nimzovich-Rossolimo attack (without ...d6) |
 |
3.6% |
 |
|
65 |
38 |
18 |
9 |
0 |
0 |
0 |
| 221 |
C40 King's knight opening |
 |
|
 | 0.6% |
|
10 |
8 |
1 |
1 |
0 |
0 |
0 |
| 222 |
C40 Gunderam defence |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 223 |
C40 Greco defence |
 |
|
 | 0.7% |
|
13 |
9 |
2 |
2 |
0 |
0 |
0 |
| 224 |
C40 Damiano's defence |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 225 |
C40 QP counter-gambit (elephant gambit) |
 |
|
 | 0.2% |
|
4 |
3 |
1 |
0 |
0 |
0 |
0 |
| 226 |
C40 Latvian counter-gambit |
 |
|
 | <0.1% |
|
2 |
0 |
1 |
1 |
0 |
0 |
0 |
| 227 |
C40 Latvian: Nimzovich variation |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 228 |
C41 Philidor's defence |
 |
|
 | 0.2% |
|
4 |
3 |
1 |
0 |
0 |
0 |
0 |
| 229 |
C41 Philidor's defence |
 |
|
 | 2.0% |
|
37 |
32 |
2 |
3 |
0 |
0 |
0 |
| 230 |
C41 Philidor: exchange variation |
 |
3.7% |
 |
|
67 |
46 |
17 |
4 |
0 |
0 |
0 |
| 231 |
C41 Philidor: Boden variation |
 |
|
 | 0.2% |
|
3 |
1 |
2 |
0 |
0 |
0 |
0 |
| 232 |
C41 Philidor: exchange variation |
 |
|
 | <0.1% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 233 |
C41 Philidor: exchange variation |
 |
|
 | <0.1% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 234 |
C41 Philidor: Nimzovich variation |
 |
|
 | <0.1% |
|
2 |
0 |
2 |
0 |
0 |
0 |
0 |
| 235 |
C41 Philidor: Hanham variation |
 |
|
 | <0.1% |
|
2 |
2 |
0 |
0 |
0 |
0 |
0 |
| 236 |
C42 Petrov's defence |
 |
|
 | <0.1% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 237 |
C42 Petrov three knights game |
 |
|
 | 2.1% |
|
39 |
23 |
14 |
2 |
0 |
0 |
0 |