Openings

808 openings, graded honestly.

Ordered by how often they are actually played, then graded by what wins at each rating band. Every number carries its band and sample size. Switch the band in the header and the grades follow.

SearchColorStyleTier at 1000

No. 481 most playedD at 600D at 1000D at 1400C at 1800
Indian Defense: Anti-Nimzo-IndianE10
1. d4 Nf6 2. c4 e6 3. Nf3
45.9% for Blackn = 597 at 600 · 0.01% of band games44.4% for Blackn = 5,967 at 1000 · 0.04% of band games45.5% for Blackn = 8,604 at 1400 · 0.08% of band games45.1% for Blackn = 43,797 at 1800 · 0.21% of band games
No. 482 most playedC at 600A at 1000A at 1400A at 1800
Queen's Gambit Accepted: Showalter VariationD24
1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3
51.6% for Whiten = 1,066 at 600 · 0.03% of band games57.2% for Whiten = 5,958 at 1000 · 0.04% of band games56.5% for Whiten = 4,678 at 1400 · 0.04% of band games54.9% for Whiten = 9,027 at 1800 · 0.04% of band games
No. 483 most playedC at 600C at 1000C at 1400C at 1800
French Defense: Winawer VariationC15
1. e4 e6 2. d4 d5 3. Nc3 Bb4
48.8% for Blackn = 1,283 at 600 · 0.03% of band games45.9% for Blackn = 5,948 at 1000 · 0.04% of band games46.3% for Blackn = 6,301 at 1400 · 0.06% of band games45.9% for Blackn = 25,382 at 1800 · 0.12% of band games
No. 484 most playedD at 600C at 1000C at 1400C at 1800
Caro-Kann Defense: Tartakower VariationB15
1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6
47.9% for Blackn = 629 at 600 · 0.01% of band games47.0% for Blackn = 5,925 at 1000 · 0.04% of band games48.1% for Blackn = 7,183 at 1400 · 0.07% of band games46.0% for Blackn = 29,466 at 1800 · 0.14% of band games
No. 485 most playedD at 600C at 1000D at 1400D at 1800
French Defense: St. George DefenseC00
1. e4 e6 2. d4 a6
47.1% for Blackn = 508 at 600 · 0.01% of band games46.3% for Blackn = 5,917 at 1000 · 0.04% of band games45.3% for Blackn = 5,016 at 1400 · 0.05% of band games44.9% for Blackn = 7,642 at 1800 · 0.04% of band games
No. 486 most playedC at 600C at 1000C at 1400C at 1800
Paleface AttackA45
1. d4 Nf6 2. f3
47.3% for Whiten = 2,245 at 600 · 0.05% of band games47.0% for Whiten = 5,905 at 1000 · 0.04% of band games46.9% for Whiten = 3,956 at 1400 · 0.04% of band games47.8% for Whiten = 9,892 at 1800 · 0.05% of band games
No. 487 most playedD at 600D at 1000D at 1400D at 1800
Queen's Gambit Declined: Chigorin DefenseD07
1. d4 d5 2. c4 Nc6 3. Nc3
41.9% for Blackn = 1,011 at 600 · 0.02% of band games43.1% for Blackn = 5,846 at 1000 · 0.04% of band games43.9% for Blackn = 5,861 at 1400 · 0.05% of band games42.6% for Blackn = 12,225 at 1800 · 0.06% of band games
No. 488 most playedD at 600C at 1000D at 1400C at 1800
Tarrasch DefenseD32
1. d4 d5 2. c4 e6 3. Nc3 c5
48.8% for Blackn = 459 at 600 · 0.01% of band games45.6% for Blackn = 5,846 at 1000 · 0.04% of band games44.4% for Blackn = 6,465 at 1400 · 0.06% of band games45.1% for Blackn = 13,115 at 1800 · 0.06% of band games
No. 489 most playedB at 600A at 1000B at 1400B at 1800
Italian Game: Evans Gambit AcceptedC51
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4
57.1% for Whiten = 738 at 600 · 0.02% of band games56.0% for Whiten = 5,814 at 1000 · 0.04% of band games54.2% for Whiten = 6,759 at 1400 · 0.06% of band games53.4% for Whiten = 19,517 at 1800 · 0.09% of band games
No. 490 most playedD at 600C at 1000C at 1400C at 1800
Modern Defense: Mongredien Defense, with Nf3B06
1. e4 g6 2. d4 Bg7 3. Nf3 b6
44.7% for Blackn = 808 at 600 · 0.02% of band games45.7% for Blackn = 5,799 at 1000 · 0.04% of band games46.2% for Blackn = 6,940 at 1400 · 0.06% of band games45.0% for Blackn = 11,052 at 1800 · 0.05% of band games
No. 491 most playedno grade at 600B at 1000C at 1400C at 1800
Queen's Gambit DeclinedD53
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7
55.2% for Whiten = 299 at 600 · 0.01% of band games51.7% for Whiten = 5,758 at 1000 · 0.04% of band games49.9% for Whiten = 10,776 at 1400 · 0.10% of band games49.7% for Whiten = 42,959 at 1800 · 0.21% of band games
No. 492 most playedD at 600B at 1000B at 1400B at 1800
Grob Opening: Grob GambitA00
1. g4 d5 2. Bg2
45.1% for Whiten = 1,339 at 600 · 0.03% of band games50.6% for Whiten = 5,727 at 1000 · 0.04% of band games51.6% for Whiten = 6,666 at 1400 · 0.06% of band games53.9% for Whiten = 22,361 at 1800 · 0.11% of band games
No. 493 most playedD at 600D at 1000D at 1400D at 1800
King's Pawn Game: Tortoise OpeningC20
1. e4 e5 2. Bd3
41.2% for Whiten = 4,999 at 600 · 0.12% of band games42.3% for Whiten = 5,727 at 1000 · 0.04% of band games44.2% for Whiten = 2,147 at 1400 · 0.02% of band games46.9% for Whiten = 1,460 at 1800 · 0.01% of band games
No. 494 most playedB at 600C at 1000C at 1400B at 1800
Hungarian Opening: Symmetrical VariationA00
1. g3 g6
51.1% for Whiten = 1,237 at 600 · 0.03% of band games48.1% for Whiten = 5,680 at 1000 · 0.04% of band games48.4% for Whiten = 5,823 at 1400 · 0.05% of band games48.7% for Whiten = 13,349 at 1800 · 0.06% of band games
No. 495 most playedD at 600D at 1000D at 1400D at 1800
Semi-Slav DefenseD43
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6
45.7% for Blackn = 530 at 600 · 0.01% of band games44.8% for Blackn = 5,644 at 1000 · 0.04% of band games44.7% for Blackn = 8,872 at 1400 · 0.08% of band games44.3% for Blackn = 47,463 at 1800 · 0.23% of band games
No. 496 most playedB at 600B at 1000B at 1400B at 1800
English Opening: Symmetrical Variation, Two Knights VariationA35
1. c4 c5 2. Nc3 Nc6
53.2% for Whiten = 951 at 600 · 0.02% of band games51.9% for Whiten = 5,629 at 1000 · 0.04% of band games51.2% for Whiten = 7,575 at 1400 · 0.07% of band games50.5% for Whiten = 28,425 at 1800 · 0.14% of band games
No. 497 most playedC at 600C at 1000D at 1400C at 1800
Queen's Pawn Game: Veresov, Richter AttackA45
1. d4 Nf6 2. f3 d5 3. Nc3
47.0% for Whiten = 2,815 at 600 · 0.07% of band games45.9% for Whiten = 5,573 at 1000 · 0.04% of band games46.0% for Whiten = 2,268 at 1400 · 0.02% of band games47.3% for Whiten = 4,138 at 1800 · 0.02% of band games
No. 498 most playedD at 600C at 1000C at 1400C at 1800
Nimzowitsch Defense: Scandinavian Variation, Bogoljubow VariationB00
1. e4 Nc6 2. d4 d5 3. Nc3
45.0% for Blackn = 3,071 at 600 · 0.07% of band games47.4% for Blackn = 5,546 at 1000 · 0.04% of band games47.4% for Blackn = 2,754 at 1400 · 0.03% of band games46.0% for Blackn = 4,110 at 1800 · 0.02% of band games
No. 499 most playedC at 600B at 1000B at 1400B at 1800
Ruy Lopez: Exchange Variation, Normal VariationC69
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O
49.9% for Whiten = 830 at 600 · 0.02% of band games53.0% for Whiten = 5,513 at 1000 · 0.04% of band games51.5% for Whiten = 4,411 at 1400 · 0.04% of band games51.1% for Whiten = 10,740 at 1800 · 0.05% of band games
No. 500 most playedD at 600D at 1000D at 1400C at 1800
Dutch Defense: Raphael VariationA80
1. d4 f5 2. Nc3
41.2% for Blackn = 1,222 at 600 · 0.03% of band games44.2% for Blackn = 5,468 at 1000 · 0.04% of band games44.0% for Blackn = 5,096 at 1400 · 0.05% of band games45.4% for Blackn = 13,140 at 1800 · 0.06% of band games
No. 501 most playedD at 600C at 1000C at 1400C at 1800
French Defense: Classical Variation, Steinitz VariationC11
1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5
43.8% for Blackn = 1,157 at 600 · 0.03% of band games47.4% for Blackn = 5,471 at 1000 · 0.04% of band games48.3% for Blackn = 6,248 at 1400 · 0.06% of band games48.9% for Blackn = 27,361 at 1800 · 0.13% of band games
No. 502 most playedD at 600C at 1000D at 1400C at 1800
King's Pawn Game: Dresden OpeningC44
1. e4 e5 2. Nf3 Nc6 3. c4
42.2% for Whiten = 2,618 at 600 · 0.06% of band games45.8% for Whiten = 5,474 at 1000 · 0.04% of band games45.7% for Whiten = 2,810 at 1400 · 0.03% of band games46.6% for Whiten = 4,094 at 1800 · 0.02% of band games
No. 503 most playedC at 600B at 1000B at 1400B at 1800
English Opening: Anglo-Lithuanian VariationA10
1. c4 Nc6
48.0% for Whiten = 1,835 at 600 · 0.04% of band games52.9% for Whiten = 5,410 at 1000 · 0.04% of band games54.1% for Whiten = 3,806 at 1400 · 0.04% of band games52.0% for Whiten = 7,726 at 1800 · 0.04% of band games
No. 504 most playedD at 600D at 1000D at 1400C at 1800
Sicilian Defense: Nimzowitsch VariationB29
1. e4 c5 2. Nf3 Nf6
42.8% for Blackn = 2,122 at 600 · 0.05% of band games44.3% for Blackn = 5,414 at 1000 · 0.04% of band games44.8% for Blackn = 3,383 at 1400 · 0.03% of band games49.1% for Blackn = 8,214 at 1800 · 0.04% of band games
No. 505 most playedA at 600A at 1000A at 1400A at 1800
Queen's Gambit Accepted: Rosenthal VariationD21
1. d4 d5 2. c4 dxc4 3. Nf3 e6
57.6% for Whiten = 1,006 at 600 · 0.02% of band games55.4% for Whiten = 5,373 at 1000 · 0.04% of band games55.8% for Whiten = 4,752 at 1400 · 0.04% of band games54.3% for Whiten = 10,031 at 1800 · 0.05% of band games
No. 506 most playedD at 600D at 1000C at 1400C at 1800
Zukertort Opening: Wade DefenseA04
1. Nf3 d6 2. e4 Bg4
43.9% for Blackn = 1,361 at 600 · 0.03% of band games45.3% for Blackn = 5,368 at 1000 · 0.04% of band games46.1% for Blackn = 3,775 at 1400 · 0.04% of band games45.2% for Blackn = 4,969 at 1800 · 0.02% of band games
No. 507 most playedC at 600C at 1000B at 1400C at 1800
Four Knights Game: Spanish Variation, Rubinstein VariationC48
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4
46.8% for Whiten = 1,362 at 600 · 0.03% of band games49.4% for Whiten = 5,344 at 1000 · 0.04% of band games44.9% for Whiten = 2,584 at 1400 · 0.02% of band games47.2% for Whiten = 4,066 at 1800 · 0.02% of band games
No. 508 most playedD at 600D at 1000D at 1400C at 1800
Polish DefenseA40
1. d4 b5
38.2% for Blackn = 2,708 at 600 · 0.06% of band games42.4% for Blackn = 5,343 at 1000 · 0.04% of band games44.6% for Blackn = 4,227 at 1400 · 0.04% of band games47.2% for Blackn = 9,388 at 1800 · 0.04% of band games
No. 509 most playedC at 600C at 1000C at 1400C at 1800
Sicilian Defense: Accelerated Dragon, Modern VariationB34
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3
54.4% for Blackn = 331 at 600 · 0.01% of band games49.4% for Blackn = 5,336 at 1000 · 0.04% of band games47.7% for Blackn = 9,560 at 1400 · 0.09% of band games47.1% for Blackn = 35,848 at 1800 · 0.17% of band games
No. 510 most playedD at 600D at 1000D at 1400C at 1800
Ruy Lopez: Morphy DefenseC78
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O
37.5% for Blackn = 713 at 600 · 0.02% of band games40.4% for Blackn = 5,308 at 1000 · 0.04% of band games40.8% for Blackn = 5,813 at 1400 · 0.05% of band games44.1% for Blackn = 24,701 at 1800 · 0.12% of band games
No. 511 most playedC at 600A at 1000B at 1400C at 1800
Petrov's Defense: Stafford Gambit AcceptedC42
1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. d3 Bc5
52.5% for Blackn = 320 at 600 · 0.01% of band games55.1% for Blackn = 5,297 at 1000 · 0.04% of band games52.2% for Blackn = 6,892 at 1400 · 0.06% of band games49.1% for Blackn = 13,442 at 1800 · 0.06% of band games
No. 512 most playedB at 600C at 1000B at 1400B at 1800
Center Game: von der Lasa GambitC21
1. e4 e5 2. d4 exd4 3. Bc4
54.2% for Whiten = 1,073 at 600 · 0.03% of band games50.7% for Whiten = 5,273 at 1000 · 0.04% of band games53.7% for Whiten = 4,556 at 1400 · 0.04% of band games52.7% for Whiten = 9,203 at 1800 · 0.04% of band games
No. 513 most playedno grade at 600B at 1000B at 1400B at 1800
Sicilian Defense: Najdorf VariationB90
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6
47.5% for Blackn = 221 at 600 · 0.01% of band games49.4% for Blackn = 5,223 at 1000 · 0.04% of band games49.1% for Blackn = 11,796 at 1400 · 0.11% of band games48.4% for Blackn = 70,702 at 1800 · 0.34% of band games
No. 514 most playedD at 600D at 1000D at 1400D at 1800
Englund Gambit: Felbecker GambitA40
1. d4 e5 2. dxe5 Nc6 3. Nf3 Bc5
43.7% for Blackn = 911 at 600 · 0.02% of band games43.2% for Blackn = 5,213 at 1000 · 0.04% of band games42.9% for Blackn = 4,610 at 1400 · 0.04% of band games43.7% for Blackn = 7,485 at 1800 · 0.04% of band games
No. 515 most playedC at 600B at 1000B at 1400B at 1800
Scandinavian Defense: Panov TransferB01
1. e4 d5 2. exd5 Nf6 3. c4 c6
53.7% for Blackn = 454 at 600 · 0.01% of band games52.7% for Blackn = 5,194 at 1000 · 0.04% of band games52.3% for Blackn = 7,150 at 1400 · 0.07% of band games52.6% for Blackn = 26,153 at 1800 · 0.13% of band games
No. 516 most playedC at 600B at 1000B at 1400B at 1800
Caro-Kann Defense: Panov AttackB13
1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4
48.9% for Whiten = 542 at 600 · 0.01% of band games52.9% for Whiten = 5,145 at 1000 · 0.04% of band games52.4% for Whiten = 8,768 at 1400 · 0.08% of band games51.4% for Whiten = 41,810 at 1800 · 0.20% of band games
No. 517 most playedD at 600B at 1000B at 1400C at 1800
King's Gambit Accepted: King's Knight's GambitC34
1. e4 e5 2. f4 exf4 3. Nf3 g5
48.4% for Whiten = 544 at 600 · 0.01% of band games52.0% for Whiten = 5,114 at 1000 · 0.04% of band games51.2% for Whiten = 9,003 at 1400 · 0.08% of band games48.9% for Whiten = 33,800 at 1800 · 0.16% of band games
No. 518 most playedD at 600D at 1000D at 1400D at 1800
Scandinavian Defense: Icelandic-Palme GambitB01
1. e4 d5 2. exd5 Nf6 3. c4 e6
39.6% for Whiten = 359 at 600 · 0.01% of band games44.4% for Whiten = 5,111 at 1000 · 0.04% of band games44.2% for Whiten = 7,433 at 1400 · 0.07% of band games43.9% for Whiten = 22,831 at 1800 · 0.11% of band games
No. 519 most playedD at 600D at 1000D at 1400D at 1800
Vienna Gambit, with Max Lange Defense: Knight VariationC25
1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3
46.5% for Blackn = 912 at 600 · 0.02% of band games43.6% for Blackn = 5,104 at 1000 · 0.04% of band games43.6% for Blackn = 3,945 at 1400 · 0.04% of band games44.4% for Blackn = 7,650 at 1800 · 0.04% of band games
No. 520 most playedD at 600D at 1000D at 1400C at 1800
King's Gambit Accepted: Modern DefenseC36
1. e4 e5 2. f4 exf4 3. Nf3 d5
44.7% for Blackn = 676 at 600 · 0.02% of band games43.6% for Blackn = 5,089 at 1000 · 0.04% of band games44.6% for Blackn = 6,245 at 1400 · 0.06% of band games45.3% for Blackn = 18,651 at 1800 · 0.09% of band games
No. 521 most playedC at 600B at 1000B at 1400B at 1800
Queen's Gambit Declined: Exchange VariationD35
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5
52.0% for Whiten = 383 at 600 · 0.01% of band games51.4% for Whiten = 5,029 at 1000 · 0.04% of band games51.1% for Whiten = 7,519 at 1400 · 0.07% of band games51.9% for Whiten = 34,506 at 1800 · 0.17% of band games
No. 522 most playedD at 600D at 1000D at 1400D at 1800
Indian Defense: Omega GambitA45
1. d4 Nf6 2. e4
41.2% for Whiten = 3,322 at 600 · 0.08% of band games43.8% for Whiten = 5,003 at 1000 · 0.04% of band games44.5% for Whiten = 3,549 at 1400 · 0.03% of band games44.6% for Whiten = 6,848 at 1800 · 0.03% of band games
No. 523 most playedD at 600C at 1000C at 1400C at 1800
Owen Defense: Smith GambitB00
1. e4 b6 2. d4 Bb7 3. Nf3
46.7% for Whiten = 975 at 600 · 0.02% of band games48.4% for Whiten = 5,007 at 1000 · 0.04% of band games47.8% for Whiten = 4,363 at 1400 · 0.04% of band games47.4% for Whiten = 5,774 at 1800 · 0.03% of band games
No. 524 most playedC at 600B at 1000C at 1400B at 1800
Queen's Gambit Accepted: Accelerated Mannheim VariationD20
1. d4 d5 2. c4 dxc4 3. Qa4+
46.7% for Whiten = 1,247 at 600 · 0.03% of band games50.5% for Whiten = 5,000 at 1000 · 0.04% of band games47.9% for Whiten = 2,278 at 1400 · 0.02% of band games51.1% for Whiten = 2,510 at 1800 · 0.01% of band games
No. 525 most playedD at 600D at 1000D at 1400C at 1800
Philidor Defense: Lopez CountergambitC41
1. e4 e5 2. Nf3 d6 3. Bc4 f5
42.4% for Blackn = 879 at 600 · 0.02% of band games45.5% for Blackn = 4,967 at 1000 · 0.04% of band games46.1% for Blackn = 2,983 at 1400 · 0.03% of band games46.4% for Blackn = 5,130 at 1800 · 0.02% of band games
No. 526 most playedno grade at 600D at 1000C at 1400C at 1800
Sicilian Defense: OpenB33
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6
51.6% for Blackn = 256 at 600 · 0.01% of band games48.7% for Blackn = 4,908 at 1000 · 0.03% of band games49.7% for Blackn = 8,505 at 1400 · 0.08% of band games49.2% for Blackn = 42,663 at 1800 · 0.20% of band games
No. 527 most playedC at 600C at 1000C at 1400C at 1800
Nimzowitsch Defense: Scandinavian Variation, Bogoljubow VariationB00
1. e4 Nc6 2. d4 d5 3. Nc3 dxe4
46.5% for Blackn = 1,922 at 600 · 0.05% of band games47.9% for Blackn = 4,854 at 1000 · 0.03% of band games48.1% for Blackn = 3,129 at 1400 · 0.03% of band games46.7% for Blackn = 5,078 at 1800 · 0.02% of band games
No. 528 most playedD at 600D at 1000D at 1400D at 1800
Philidor Defense: Nimzowitsch VariationC41
1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5
38.3% for Blackn = 2,063 at 600 · 0.05% of band games38.3% for Blackn = 4,852 at 1000 · 0.03% of band games39.2% for Blackn = 2,794 at 1400 · 0.03% of band games38.9% for Blackn = 3,080 at 1800 · 0.01% of band games
No. 529 most playedB at 600B at 1000A at 1400A at 1800
Réti Opening: Réti AcceptedA09
1. Nf3 d5 2. c4 dxc4
53.8% for Whiten = 964 at 600 · 0.02% of band games54.5% for Whiten = 4,842 at 1000 · 0.03% of band games55.2% for Whiten = 4,480 at 1400 · 0.04% of band games56.0% for Whiten = 11,859 at 1800 · 0.06% of band games
No. 530 most playedB at 600B at 1000B at 1400A at 1800
Center Game: Kieseritzky VariationC21
1. e4 e5 2. d4 exd4 3. Nf3 c5
52.8% for Whiten = 686 at 600 · 0.02% of band games55.1% for Whiten = 4,813 at 1000 · 0.03% of band games54.5% for Whiten = 4,425 at 1400 · 0.04% of band games59.1% for Whiten = 8,853 at 1800 · 0.04% of band games
No. 531 most playedD at 600D at 1000D at 1400D at 1800
Italian Game: Evans Gambit, McDonnell DefenseC51
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5
38.2% for Blackn = 650 at 600 · 0.02% of band games38.9% for Blackn = 4,811 at 1000 · 0.03% of band games39.2% for Blackn = 4,278 at 1400 · 0.04% of band games38.9% for Blackn = 7,274 at 1800 · 0.03% of band games
No. 532 most playedB at 600B at 1000C at 1400C at 1800
Petrov's Defense: Cozio AttackC42
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2
58.8% for Whiten = 799 at 600 · 0.02% of band games51.1% for Whiten = 4,799 at 1000 · 0.03% of band games45.8% for Whiten = 3,927 at 1400 · 0.04% of band games46.1% for Whiten = 6,274 at 1800 · 0.03% of band games
No. 533 most playedC at 600D at 1000D at 1400C at 1800
Ruy Lopez: Morphy Defense, Tarrasch VariationC77
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3
47.4% for Blackn = 1,447 at 600 · 0.03% of band games43.9% for Blackn = 4,781 at 1000 · 0.03% of band games44.1% for Blackn = 2,690 at 1400 · 0.03% of band games47.0% for Blackn = 3,315 at 1800 · 0.02% of band games
No. 534 most playedD at 600C at 1000C at 1400D at 1800
English Opening: King's English Variation, Kramnik-Shirov CounterattackA21
1. c4 e5 2. Nc3 Bb4
47.1% for Blackn = 556 at 600 · 0.01% of band games46.1% for Blackn = 4,736 at 1000 · 0.03% of band games46.7% for Blackn = 4,835 at 1400 · 0.05% of band games44.6% for Blackn = 8,046 at 1800 · 0.04% of band games
No. 535 most playedC at 600B at 1000B at 1400B at 1800
King's Indian AttackA05
1. Nf3 Nf6 2. g3 d5
47.6% for Whiten = 1,341 at 600 · 0.03% of band games50.4% for Whiten = 4,709 at 1000 · 0.03% of band games50.6% for Whiten = 3,910 at 1400 · 0.04% of band games50.9% for Whiten = 14,320 at 1800 · 0.07% of band games
No. 536 most playedC at 600C at 1000C at 1400B at 1800
Bishop's Opening: Paulsen DefenseC24
1. e4 e5 2. Bc4 Nf6 3. d3 c6
47.9% for Blackn = 942 at 600 · 0.02% of band games49.7% for Blackn = 4,695 at 1000 · 0.03% of band games49.5% for Blackn = 4,249 at 1400 · 0.04% of band games50.9% for Blackn = 7,881 at 1800 · 0.04% of band games
No. 537 most playedC at 600C at 1000C at 1400C at 1800
Rat Defense: Antal DefenseB00
1. e4 d6 2. d4 Nd7
48.8% for Blackn = 688 at 600 · 0.02% of band games47.8% for Blackn = 4,565 at 1000 · 0.03% of band games47.9% for Blackn = 5,048 at 1400 · 0.05% of band games48.5% for Blackn = 19,047 at 1800 · 0.09% of band games
No. 538 most playedC at 600C at 1000C at 1400B at 1800
Alekhine Defense: Krejcik VariationB02
1. e4 Nf6 2. Bc4
45.6% for Blackn = 5,771 at 600 · 0.14% of band games47.9% for Blackn = 4,539 at 1000 · 0.03% of band games49.7% for Blackn = 2,122 at 1400 · 0.02% of band games52.8% for Blackn = 3,238 at 1800 · 0.02% of band games
No. 539 most playedno grade at 600B at 1000B at 1400B at 1800
Sicilian Defense: Accelerated Dragon, Exchange VariationB34
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6
52.4% for Blackn = 267 at 600 · 0.01% of band games51.3% for Blackn = 4,504 at 1000 · 0.03% of band games51.3% for Blackn = 5,995 at 1400 · 0.06% of band games49.7% for Blackn = 15,289 at 1800 · 0.07% of band games
No. 540 most playedD at 600C at 1000C at 1400C at 1800
Philidor Defense: Hanham VariationC41
1. e4 e5 2. Nf3 d6 3. d4 Nd7
47.5% for Blackn = 634 at 600 · 0.01% of band games48.2% for Blackn = 4,485 at 1000 · 0.03% of band games50.0% for Blackn = 4,659 at 1400 · 0.04% of band games48.3% for Blackn = 12,996 at 1800 · 0.06% of band games

All openings, most played first, page 9 of 14

Indian Defense: Anti-Nimzo-IndianE10

Queen's Gambit Accepted: Showalter VariationD24

French Defense: Winawer VariationC15

Caro-Kann Defense: Tartakower VariationB15

French Defense: St. George DefenseC00

Paleface AttackA45

Queen's Gambit Declined: Chigorin DefenseD07

Tarrasch DefenseD32

Italian Game: Evans Gambit AcceptedC51

Modern Defense: Mongredien Defense, with Nf3B06

Queen's Gambit DeclinedD53

Grob Opening: Grob GambitA00

King's Pawn Game: Tortoise OpeningC20

Hungarian Opening: Symmetrical VariationA00

Semi-Slav DefenseD43

English Opening: Symmetrical Variation, Two Knights VariationA35

Queen's Pawn Game: Veresov, Richter AttackA45

Nimzowitsch Defense: Scandinavian Variation, Bogoljubow VariationB00

Ruy Lopez: Exchange Variation, Normal VariationC69

Dutch Defense: Raphael VariationA80

French Defense: Classical Variation, Steinitz VariationC11

King's Pawn Game: Dresden OpeningC44

English Opening: Anglo-Lithuanian VariationA10

Sicilian Defense: Nimzowitsch VariationB29

Queen's Gambit Accepted: Rosenthal VariationD21

Zukertort Opening: Wade DefenseA04

Four Knights Game: Spanish Variation, Rubinstein VariationC48

Polish DefenseA40

Sicilian Defense: Accelerated Dragon, Modern VariationB34

Ruy Lopez: Morphy DefenseC78

Petrov's Defense: Stafford Gambit AcceptedC42

Center Game: von der Lasa GambitC21

Sicilian Defense: Najdorf VariationB90

Englund Gambit: Felbecker GambitA40

Scandinavian Defense: Panov TransferB01

Caro-Kann Defense: Panov AttackB13

King's Gambit Accepted: King's Knight's GambitC34

Scandinavian Defense: Icelandic-Palme GambitB01

Vienna Gambit, with Max Lange Defense: Knight VariationC25

King's Gambit Accepted: Modern DefenseC36

Queen's Gambit Declined: Exchange VariationD35

Indian Defense: Omega GambitA45

Owen Defense: Smith GambitB00

Queen's Gambit Accepted: Accelerated Mannheim VariationD20

Philidor Defense: Lopez CountergambitC41

Sicilian Defense: OpenB33

Nimzowitsch Defense: Scandinavian Variation, Bogoljubow VariationB00

Philidor Defense: Nimzowitsch VariationC41

Réti Opening: Réti AcceptedA09

Center Game: Kieseritzky VariationC21

Italian Game: Evans Gambit, McDonnell DefenseC51

Petrov's Defense: Cozio AttackC42

Ruy Lopez: Morphy Defense, Tarrasch VariationC77

English Opening: King's English Variation, Kramnik-Shirov CounterattackA21

King's Indian AttackA05

Bishop's Opening: Paulsen DefenseC24

Rat Defense: Antal DefenseB00

Alekhine Defense: Krejcik VariationB02

Sicilian Defense: Accelerated Dragon, Exchange VariationB34

Philidor Defense: Hanham VariationC41