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| Chess Openings Database It's White's turn to move select a Next Move hyperlink below | | Next Move | Number Games | Free PGN Download | White Wins | White Win Percentage | Win Chart |
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| Nf3 | 289966 |  | 168705 | 58.2 |    | | f4 | 23123 |  | 13202 | 57.1 |    | | Nc3 | 16476 |  | 9475 | 57.5 |    | | Bc4 | 13671 |  | 7765 | 56.8 |    | | d4 | 6622 |  | 3831 | 57.9 |    | | d3 | 621 |  | 206 | 33.2 |    | | Qh5 | 435 |  | 194 | 44.6 |    | | b3 | 410 |  | 215 | 52.4 |    | | c4 | 394 |  | 165 | 41.9 |    | | Bb5 | 384 |  | 213 | 55.5 |    | | h3 | 276 |  | 151 | 54.7 |    | | g3 | 243 |  | 101 | 41.6 |    | | c3 | 238 |  | 84 | 35.3 |    | | Qf3 | 170 |  | 49 | 28.8 |    | | Ne2 | 136 |  | 70 | 51.5 |    | | f3 | 101 |  | 29 | 28.7 |    | | a3 | 84 |  | 43 | 51.2 |    | | Bd3 | 80 |  | 34 | 42.5 |    | | Be2 | 53 |  | 20 | 37.7 |    | | g4 | 50 |  | 18 | 36 |    | | Qe2 | 47 |  | 29 | 61.7 |    | | h4 | 41 |  | 8 | 19.5 |    | | Nh3 | 40 |  | 11 | 27.5 |    | | b4 | 39 |  | 15 | 38.5 |    | | Ke2 | 38 |  | 11 | 28.9 |    | | a4 | 30 |  | 4 | 13.3 |    | | Qg4 | 30 |  | 12 | 40 |    | | Na3 | 3 |  | 1 | 33.3 |    | | Start Over |
| Chess ECOs Found | Number Chess Games | Common ECO Name |
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| | C20 | 3943 | Kings Pawn Game includes Alapins Opening |
| C21 | 4062 | Center Game |
| C22 | 2560 | Center Game |
| C23 | 4411 | Bishops Opening |
| C24 | 9260 | Bishops Opening, Berlin Defense |
| C25 | 6156 | Vienna Game |
| C26 | 3766 | Vienna Game, Falkbeer Variation |
| C27 | 1864 | Vienna Game |
| C28 | 1016 | Vienna Game |
| C29 | 3674 | Vienna Gambit, Kaufmann Variation |
| C30 | 5399 | Kings Gambit |
| C31 | 1821 | Kings Gambit Declined, Falkbeer Countergambit |
| C32 | 1674 | Kings Gambit Declined, Falkbeer, 5. dxe4 |
| C33 | 2593 | Kings Gambit Accepted |
| C34 | 4404 | Kings Gambit Accepted |
| C35 | 1251 | Kings Gambit Accepted, Cunningham Defense |
| C36 | 1676 | Kings Gambit Accepted, Abbazia Defense Classical Defense, Modern Defense |
| C37 | 1182 | Kings Gambit Accepted, Quaade Gambit |
| C38 | 826 | Kings Gambit Accepted |
| C39 | 2297 | KGA, Allagier & Kiesertisky Gambits |
| C40 | 9990 | Kings Knight Opening includes Gunderam Defense, Greco Defense, Damiano Defense, Elephant Gambit, and |
| C41 | 13167 | Philidor Defense |
| C42 | 25126 | Petrovs Defense |
| C43 | 5983 | Petrovs Defense, Modern Steinitz Attack |
| C44 | 16388 | Kings Pawn Game includes Ponziani Opening, some Scotch Game |
| C45 | 19023 | Scotch Game |
| C46 | 3890 | Three Knights Game |
| C47 | 9863 | Four Knights Game, Scotch Variation |
| C48 | 2860 | Four Knights Game, Spanish Variation |
| C49 | 1934 | Four Knights Game, Double Ruy Lopez |
| C50 | 16045 | Kings Pawn Game includes Hungarian Defence and Giuoco Pianissimo |
| C51 | 2191 | Evans Gambit |
| C52 | 1884 | Evans Gambit with 4...Bxb4 5.c3 Ba5 |
| C53 | 2304 | Giuoco Piano |
| C54 | 8156 | Giuoco Piano |
| C55 | 10819 | Two Knights Defense |
| C56 | 3558 | Two Knights Defense |
| C57 | 4462 | Two Knights Defense |
| C58 | 1763 | Two Knights Defense |
| C59 | 1556 | Two Knights Defense |
| C60 | 4476 | Ruy Lopez |
| C61 | 2347 | Ruy Lopez, Birds Defense |
| C62 | 4534 | Ruy Lopez, Old Steinitz Defense |
| C63 | 6414 | Ruy Lopez, Schliemann Defense |
| C64 | 5149 | Ruy Lopez, Classical Cordel Defense |
| C65 | 6184 | Ruy Lopez, Berlin Defense |
| C66 | 988 | Ruy Lopez, Berlin Defense, 4.O-O, d6 |
| C67 | 4351 | Ruy Lopez, Berlin Defense, Open variation |
| C68 | 8918 | Ruy Lopez, Exchange Variation |
| C69 | 2548 | Ruy Lopez, Exchange Variation, 5.O-O |
| C70 | 4305 | Ruy Lopez |
| C71 | 1039 | Ruy Lopez, Modern Steinitz Defense |
| C72 | 2001 | Ruy Lopez, Modern Steinitz Defense 5.0-0 |
| C73 | 1099 | Ruy Lopez, Modern Steinitz Defense, Richter variation |
| C74 | 1078 | Ruy Lopez, Modern Steinitz Defense |
| C75 | 978 | Ruy Lopez, Modern Steinitz Defense |
| C76 | 232 | Ruy Lopez, Modern Steinitz Defense, Fianchetto Bronstein variation |
| C77 | 10588 | Ruy Lopez, Morphy Defense |
| C78 | 9580 | Ruy Lopez, 5.O-O |
| C79 | 1117 | Ruy Lopez, Steinitz Defense Deferred Russian Defense |
| C80 | 13288 | Ruy Lopez, Open Tarrasch Defense |
| C81 | 962 | Ruy Lopez, Open, Howell Attack |
| C82 | 1812 | Ruy Lopez, Open, 9.c3 |
| C83 | 1143 | Ruy Lopez, Open, Classical Defense |
| C84 | 1586 | Ruy Lopez, Closed Defense |
| C85 | 1794 | Ruy Lopez, Exchange Variation Doubly Deferred DERLD |
| C86 | 1247 | Ruy Lopez, Worrall Attack |
| C87 | 798 | Ruy Lopez, Closed, Averbach Variation |
| C88 | 5265 | Ruy Lopez, Closed |
| C89 | 7206 | Ruy Lopez, Marshall Counterattack |
| C90 | 2684 | Ruy Lopez, Closed with ...d6 |
| C91 | 1586 | Ruy Lopez, Closed, 9.d4 |
| C92 | 3961 | Ruy Lopez, Closed, 9.h3 |
| C93 | 635 | Ruy Lopez, Closed, Smyslov Defense |
| C94 | 191 | Ruy Lopez, Closed, Breyer Defense |
| C95 | 1824 | Ruy Lopez, Closed, Breyer, 10.d4 |
| C96 | 1432 | Ruy Lopez, Closed, 8...Na5 |
| C97 | 1206 | Ruy Lopez, Closed, Chigorin Defense |
| C98 | 612 | Ruy Lopez, Closed, Chigorin, 12...Nc6 |
| C99 | 1846 | Ruy Lopez, Closed, Chigorin, 12...c5d4 |
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