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ECO C97: Ruy Lopez: Closed

ECO C97 is part of volume C, Open Games. The Lichess chess-openings dataset files 3 named lines under it. The shortest is Ruy Lopez: Closed, Chigorin Defense: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5. All of them are lines of the Ruy Lopez: Closed.

That position has come up in 367,658 Lichess games between players rated 1600 to 2500: White won 49.5%, 5.9% were drawn and Black won 44.5%.

OpeningMovesGamesLength
Ruy Lopez: Closed, Chigorin Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 368K 9 moves
Ruy Lopez: Closed, Chigorin Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 181K 11 moves
Ruy Lopez: Closed, Chigorin, Yugoslav System 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Rfe8 14. Ne3 g6 137 14 moves