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The strongest chess players in their interviews emphasize the importance of the openings in modern chess. Nearly 100% of their chess study is dedicated to preparing of openings variations. All other aspects of the chess mastership (strategic understanding, endgames, study of classical games, etc.) were supposed to be studied at the beginning of their chess careers.
White opening repertoire with 1.e4!
| ECO | Opening | (opening sequence of moves) | Cost |
|---|---|---|---|
| B01 | Scandinavian defense | 1.e4 d5 2.exd5 Qxd5 (2...Nf6) 3.Nc3 Qa5 (3...Qd8, 3...Qd6) | $3 |
| B03 | Alekhine's defense: Exchange variation |
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.exd6 | $3 |
| B03 | Alekhine's defense: Four pawns attack |
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 | $3 |
| B07 | Pirc: Byrne variation | 1.e4 d6 (1...g6 2.d4 Bg7 3.Nc3 d6 4.Bg5) 2.d4 Nf6 3.Nc3 g6 4.Bg5 | $3 |
| B09 | Pirc: Austrian attack | 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 | $5 |
| B10 | Caro-Kann: Closed (Breyer) var. |
1.e4 c6 2.d3 d5 3.Nd2 | $3 |
| B15 B16 |
Caro-Kann: Tartakower var. |
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6 exf6, 5...gxf6 | $3 |
| B17 | Caro-Kann: Steinitz variation | 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7 9.Bd3 | $3 |
| B18 B19 |
Caro-Kann: Classical variation |
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Ng5 Ngf6 6.Bc4 e6 7.Qe2 | $3 |
| B22 B27 |
Sicilian defense: Hungarian and Alapin's variations |
1.e4 c5 2.Nf3 g6 3.c3 | $3 |
| B26 | Sicilian defense: Closed | 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 | $3 |
| B30 | Sicilian defense: Nimzovich-Rossolimo attack (without 3...d6) |
1.e4 c5 2.Nf3 Nc6 3.Bb5 | $5 |
| B40 | Sicilian defense | 1.e4 c5 2.Nf3 e6 3.b3 | $3 |
| B51 | Sicilian defence: Moscow attack |
1.e4 c5 2.Nf3 d6 3.Bb5 | $5 |
| C02 | French: Advance variation |
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 | $5 |
| C41 | Philidor's defense | 1.e4 d6 2.d4 Nf6 3.Nc3 e5 4.Nf3 Nbd7 5.Bc4 Be7 6.O-O O-O 7.Re1 c6 8.a4 | $3 |
| C42 | Petrov's defense: Nimzovich attack |
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3 | $5 |
| C45 | Scotch game | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 (4...Bb4 5.c3 Bc5 6.Be3) 5.Nxc6 Qf6 6.Qf3 | $5 |
| C45 | Scotch game: Mieses variation |
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.e5 | $5 |
| C45 | Scotch game | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bc4 Ne5 8.Be2 Qg6 9.O-O d6 10.f4 Qxe4 11.Bf2 | $3 |
Black opening repertoire
| ECO | Opening | (opening sequence of moves) | Cost |
|---|---|---|---|
| A31 | English opening: Vaganian's gambit | 1.d4 Nf6 2.c4 c5 3.Nf3 cxd4 4.Nxd4 e5 5.Nb5 d5 6.cxd5 Bc5 | $3 |
| B01 | Scandinavian defense: Exchange variation | 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 | $3 |
| D31 | QGD: Exchange variation | 1.d4 d5 2.c4 e6 3.Nc3 Be7 4.cxd5 exd5 5.Bf4 c6 | $3 |
| D32 D34 |
QGD: Tarrasch defense | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 | $5 |
| D55 | QGD: Neo-Orthodox variation | 1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Nf3 Nf6 5.Bg5 h6 6.Bxf6 Bxf6 7.e3 O-O | $3 |
| D37 | QGD: Classical variation | 1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Nf3 Nf6 5.Bf4 O-O 6.e3 c5 | $5 |
| D58 D59 |
QGD: Tartakower system | 1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Nf3 Nf6 5.Bg5 h6 6.Bh4 O-O 7.e3b6 (7...Nbd7) | $5 |
| A88 | Leningrad Dutch: Main variation with 7...c6 | 1.d4 f5 2.c4 Nf6 3.Nf3g6 4.g3 Bg7 5.Bg2 O-O 6.O-O d6 7.Nc3 c6 | $5 |
| E05 | Catalan Opening: Open, Classical line | 1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.g3 Be7 5.Bg2 O-O 6.O-O dxc4 | $5 |