| Position |
Opening |
Usage Ratio |
Games |
 |
 |
| Win |
Lost |
Draw |
Win |
Lost |
Draw |
| 1 |
C41 Philidor's defence |
 |
14.9% |
 |
|
76 |
11 |
10 |
2 |
25 |
26 |
2 |
| 2 |
C50 King's pawn game |
 |
7.1% |
 |
|
36 |
12 |
11 |
1 |
3 |
9 |
0 |
| 3 |
C00 French defence |
 |
6.1% |
 |
|
31 |
11 |
19 |
1 |
0 |
0 |
0 |
| 4 |
C41 Philidor: exchange variation |
 |
|
 | 3.9% |
|
20 |
0 |
0 |
0 |
5 |
15 |
0 |
| 5 |
B30 Sicilian defence |
 |
|
 | 3.1% |
|
16 |
10 |
6 |
0 |
0 |
0 |
0 |
| 6 |
C30 King's gambit |
 |
|
 | 3.1% |
|
16 |
0 |
0 |
0 |
1 |
13 |
2 |
| 7 |
B01 Scandinavian (centre counter) defence |
 |
|
 | 2.4% |
|
12 |
9 |
3 |
0 |
0 |
0 |
0 |
| 8 |
B00 King's pawn opening |
 |
|
 | 2.4% |
|
12 |
5 |
4 |
0 |
2 |
1 |
0 |
| 9 |
C24 Bishop's opening: Berlin defence |
 |
|
 | 2.4% |
|
12 |
0 |
2 |
0 |
6 |
4 |
0 |
| 10 |
D30 Queen's gambit declined |
 |
|
 | 2.4% |
|
12 |
0 |
0 |
0 |
4 |
8 |
0 |
| 11 |
B10 Caro-Kann defence |
 |
|
 | 2.0% |
|
10 |
6 |
4 |
0 |
0 |
0 |
0 |
| 12 |
D00 Queen's pawn game |
 |
|
 | 1.8% |
|
9 |
0 |
0 |
0 |
4 |
4 |
1 |
| 13 |
C41 Philidor: exchange variation |
 |
|
 | 1.8% |
|
9 |
0 |
0 |
0 |
4 |
5 |
0 |
| 14 |
C62 Ruy Lopez: old Steinitz defence |
 |
|
 | 1.8% |
|
9 |
6 |
1 |
0 |
0 |
1 |
1 |
| 15 |
C50 Giuoco Piano |
 |
|
 | 1.6% |
|
8 |
6 |
2 |
0 |
0 |
0 |
0 |
| 16 |
C20 KP: Indian opening |
 |
|
 | 1.4% |
|
7 |
0 |
0 |
0 |
5 |
2 |
0 |
| 17 |
C40 King's knight opening |
 |
|
 | 1.4% |
|
7 |
3 |
3 |
1 |
0 |
0 |
0 |
| 18 |
B50 Sicilian |
 |
|
 | 1.4% |
|
7 |
0 |
6 |
1 |
0 |
0 |
0 |
| 19 |
B00 Owen defence |
 |
|
 | 1.4% |
|
7 |
1 |
5 |
1 |
0 |
0 |
0 |
| 20 |
C20 KP: Patzer opening |
 |
|
 | 1.2% |
|
6 |
0 |
0 |
0 |
6 |
0 |
0 |
| 21 |
B06 Robatsch (modern) defence |
 |
|
 | 1.2% |
|
6 |
4 |
1 |
1 |
0 |
0 |
0 |
| 22 |
A00 Van't Kruijs opening |
 |
|
 | 1.2% |
|
6 |
0 |
0 |
0 |
4 |
2 |
0 |
| 23 |
B20 Sicilian defence |
 |
|
 | 1.2% |
|
6 |
2 |
3 |
0 |
1 |
0 |
0 |
| 24 |
C42 Petrov's defence |
 |
|
 | 1.0% |
|
5 |
2 |
3 |
0 |
0 |
0 |
0 |
| 25 |
B06 Robatsch (modern) defence |
 |
|
 | 1.0% |
|
5 |
2 |
3 |
0 |
0 |
0 |
0 |
| 26 |
C55 Two knights defence |
 |
|
 | 1.0% |
|
5 |
1 |
4 |
0 |
0 |
0 |
0 |
| 27 |
C50 Hungarian defence |
 |
|
 | 1.0% |
|
5 |
3 |
2 |
0 |
0 |
0 |
0 |
| 28 |
C21 Danish gambit |
 |
|
 | 1.0% |
|
5 |
0 |
0 |
0 |
0 |
5 |
0 |
| 29 |
D02 Queen's pawn game, Chigorin variation |
 |
|
 | 1.0% |
|
5 |
0 |
0 |
0 |
3 |
2 |
0 |
| 30 |
C40 Greco defence |
 |
|
 | 0.8% |
|
4 |
2 |
2 |
0 |
0 |
0 |
0 |
| 31 |
C57 two knights defence: Wilkes Barre (Traxler) variation |
 |
|
 | 0.8% |
|
4 |
3 |
1 |
0 |
0 |
0 |
0 |
| 32 |
C53 Giuoco Piano |
 |
|
 | 0.8% |
|
4 |
3 |
1 |
0 |
0 |
0 |
0 |
| 33 |
C20 King's pawn game |
 |
|
 | 0.6% |
|
3 |
0 |
0 |
0 |
3 |
0 |
0 |
| 34 |
D00 Queen's pawn: Chigorin variation |
 |
|
 | 0.6% |
|
3 |
0 |
0 |
0 |
1 |
2 |
0 |
| 35 |
D00 Queen's pawn, Mason variation |
 |
|
 | 0.6% |
|
3 |
0 |
0 |
0 |
3 |
0 |
0 |
| 36 |
C53 Giuoco Piano |
 |
|
 | 0.6% |
|
3 |
1 |
1 |
1 |
0 |
0 |
0 |
| 37 |
C68 Ruy Lopez: exchange variation |
 |
|
 | 0.6% |
|
3 |
1 |
2 |
0 |
0 |
0 |
0 |
| 38 |
C23 Bishop's opening |
 |
|
 | 0.6% |
|
3 |
3 |
0 |
0 |
0 |
0 |
0 |
| 39 |
B40 Sicilian defence |
 |
|
 | 0.6% |
|
3 |
0 |
3 |
0 |
0 |
0 |
0 |
| 40 |
C61 Ruy Lopez: Bird's defence |
 |
|
 | 0.6% |
|
3 |
1 |
1 |
0 |
0 |
1 |
0 |
| 41 |
C42 Petrov: Damiano variation |
 |
|
 | 0.6% |
|
3 |
3 |
0 |
0 |
0 |
0 |
0 |
| 42 |
D32 QGD: Tarrasch defence |
 |
|
 | 0.6% |
|
3 |
0 |
0 |
0 |
1 |
2 |
0 |
| 43 |
A00 Polish (Sokolsky) opening |
 |
|
 | 0.6% |
|
3 |
0 |
0 |
0 |
1 |
2 |
0 |
| 44 |
A01 Nimzovich-Larsen attack |
 |
|
 | 0.4% |
|
2 |
0 |
0 |
0 |
1 |
1 |
0 |
| 45 |
C45 Scotch game |
 |
|
 | 0.4% |
|
2 |
0 |
2 |
0 |
0 |
0 |
0 |
| 46 |
C23 Bishop's opening: Philidor counter-attack |
 |
|
 | 0.4% |
|
2 |
1 |
0 |
0 |
1 |
0 |
0 |
| 47 |
A03 Bird's opening |
 |
|
 | 0.4% |
|
2 |
0 |
0 |
0 |
1 |
1 |
0 |
| 48 |
C40 Damiano's defence |
 |
|
 | 0.4% |
|
2 |
2 |
0 |
0 |
0 |
0 |
0 |
| 49 |
C46 Three knights game |
 |
|
 | 0.4% |
|
2 |
0 |
1 |
0 |
1 |
0 |
0 |
| 50 |
A20 English opening |
 |
|
 | 0.4% |
|
2 |
0 |
0 |
0 |
1 |
1 |
0 |
| 51 |
C41 Philidor's defence |
 |
|
 | 0.4% |
|
2 |
0 |
0 |
0 |
0 |
2 |
0 |
| 52 |
C41 Philidor: Boden variation |
 |
|
 | 0.4% |
|
2 |
0 |
0 |
0 |
1 |
1 |
0 |
| 53 |
C02 French: advance, Nimzovich system |
 |
|
 | 0.4% |
|
2 |
1 |
1 |
0 |
0 |
0 |
0 |
| 54 |
B03 Alekhine's defence |
 |
|
 | 0.4% |
|
2 |
0 |
2 |
0 |
0 |
0 |
0 |
| 55 |
B00 Reversed Grob (Borg/Basman defence/macho Grob) |
 |
|
 | 0.4% |
|
2 |
2 |
0 |
0 |
0 |
0 |
0 |
| 56 |
B40 Sicilian defence |
 |
|
 | 0.4% |
|
2 |
2 |
0 |
0 |
0 |
0 |
0 |
| 57 |
B01 Scandinavian defence |
 |
|
 | 0.4% |
|
2 |
1 |
1 |
0 |
0 |
0 |
0 |
| 58 |
B28 Sicilian: O'Kelly variation |
 |
|
 | 0.4% |
|
2 |
0 |
2 |
0 |
0 |
0 |
0 |
| 59 |
C57 two knights defence: Fegatello attack |
 |
|
 | 0.4% |
|
2 |
2 |
0 |
0 |
0 |
0 |
0 |
| 60 |
C59 Two knights defence |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 61 |
D53 QGD: 4.Bg5 Be7 |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 62 |
D50 QGD: Semi-Tarrasch |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 63 |
C58 two knights defence: Bogolyubov variation |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 64 |
D35 QGD: 3...Nf6 |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 65 |
C42 Petrov: classical attack |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 66 |
C42 Petrov: classical attack, Mason variation |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 67 |
C58 two knights defence |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 68 |
D31 QGD: 3.Nc3 |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 69 |
C42 Petrov: classical attack, Marshall variation |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 70 |
C42 Petrov three knights game |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 71 |
D30 QGD |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 72 |
C44 King's pawn game |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 73 |
C44 Scotch opening |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 74 |
C57 two knights defence: Ulvestad variation |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 75 |
C45 Scotch game |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 76 |
C55 Two knights defence |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 77 |
C68 Ruy Lopez: exchange, Keres variation |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 78 |
D01 Richter-Veresov attack |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 79 |
C70 Ruy Lopez: Caro variation |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 80 |
D00 Blackmar gambit |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 81 |
B22 Sicilian: Alapin's variation (2.c3) |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 82 |
B10 Caro-Kann: Hillbilly attack |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 83 |
B01 Scandinavian: Icelandic gambit |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 84 |
B00 KP: Nimzovich defence |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 85 |
B00 St. George (Baker) defence |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 86 |
B00 Fred |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 87 |
A40 Modern defence |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 88 |
A30 English: symmetrical variation |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 89 |
A23 English: Bremen system, Keres variation |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 90 |
A22 English: Carls' Bremen system |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 91 |
A21 English opening |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 92 |
A09 Reti accepted |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
0 |
1 |
| 93 |
A09 Reti: advance variation |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 94 |
A01 Nimzovich-Larsen attack: modern variation |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 95 |
A00 Anti-Borg (Desprez) opening |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 96 |
A00 Gedult's opening |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 97 |
A00 Mieses opening |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 98 |
A00 Ware (Meadow Hay) opening |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 99 |
A00 Dunst (Sleipner, Heinrichsen) opening |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
0 |
1 |
| 100 |
A00 Benko's opening |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 101 |
C40 Latvian counter-gambit |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 102 |
C40 QP counter-gambit (elephant gambit) |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 103 |
C34 King's knight's gambit |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 104 |
C33 KGA: bishop's gambit, Maurian defence |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 105 |
C31 KGD: Falkbeer counter-gambit |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 106 |
C26 Vienna: Falkbeer variation |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 107 |
C25 Vienna game |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 108 |
C23 Bishop's opening: Philidor variation |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 109 |
C23 Bishop's opening: Classical variation |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 110 |
C21 Centre game |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
0 |
1 |
0 |
| 111 |
C20 KP: Napoleon's opening |
 |
|
 | 0.2% |
|
1 |
0 |
0 |
0 |
1 |
0 |
0 |
| 112 |
C00 French: King's Indian attack |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 113 |
C00 French defence |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 114 |
B95 Sicilian: Najdorf, 6...e6 |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 115 |
B70 Sicilian: dragon variation |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 116 |
B40 Sicilian: Anderssen variation |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 117 |
B33 Sicilian defence |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 118 |
B32 Sicilian: Labourdonnais-Loewenthal variation |
 |
|
 | 0.2% |
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
| 119 |
B32 Sicilian defence |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 120 |
B29 Sicilian: Nimzovich-Rubinstein variation |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| 121 |
B27 Sicilian: Katalimov variation |
 |
|
 | 0.2% |
|
1 |
0 |
1 |
0 |
0 |
0 |
0 |