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ECO D45: Semi-Slav Defense

ECO D45 is part of volume D — Closed & Semi-Closed Games. The Lichess chess-openings dataset files 15 named lines under it. The shortest is Semi-Slav Defense: Main Line: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3.

That position has come up in 4,031,393 Lichess games between players rated 1600 to 2500: White won 50.2%, 5.7% were drawn and Black won 44.1%.

OpeningMovesPlies
Semi-Slav Defense: Main Line 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 9
Semi-Slav Defense: Accelerated Meran Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 10
Semi-Slav Defense: Normal Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 10
Semi-Slav Defense: Rubinstein System 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Ne5 11
Semi-Slav Defense: Stoltz Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 11
Semi-Slav Defense: Stonewall Defense 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Ne4 6. Bd3 f5 12
Semi-Slav Defense: Stoltz Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. b3 13
Semi-Slav Defense: Stoltz Variation 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3 13
Semi-Slav Defense: Stoltz Variation, Center Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. e4 13
Semi-Slav Defense: Stoltz Variation, Shabalov Attack 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. g4 13
Semi-Slav Defense: Normal Variation 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. b3 Bd6 6. Bb2 O-O 7. d4 Nbd7 14
Semi-Slav Defense: Stoltz Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. b3 Bb7 14
Semi-Slav Defense: Normal Variation 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. b3 Bd6 7. Bb2 O-O 8. Be2 15
Semi-Slav Defense: Stoltz Variation 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2 15
Semi-Slav Defense: Stoltz Variation, Center Variation, Mikhalchishin Line 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Qxe4 e5 10. dxe5 19