All Chess Positions Open the map

C97Opening

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

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White to move

Legal moves
28
Games in the next 4 moves
739,649
Different positions among them
257,679
Named lines from here
11

See it on the mapOn the opening map

Named after Mikhail Chigorin. Black moves the knight to a5 to chase the bishop and gain space on the queenside.

It is reached after 18 moves: 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. It is a line of the Ruy Lopez.

White is to move and has 28 legal moves. Over the next four moves — two for each side — the game can branch into 739,649 different games. Those games reach 257,679 different positions: most positions can be reached in more than one way, 2.9 on average.

The Lichess opening list names 11 further lines after this position.

Map of every game of the next four moves after the Ruy Lopez: Closed, Chigorin Defense
Every game of the next four moves from this position, as the map draws it. Each ring is one more move; the outer ring holds all 739,649 games.

Move by move

  1. 1. e4King's Pawn Game
  2. 1... e5King's Pawn Game
  3. 2. Nf3King's Knight Opening
  4. 2... Nc6King's Knight Opening: Normal Variation
  5. 3. Bb5Ruy Lopez
  6. 3... a6Ruy Lopez: Morphy Defense
  7. 4. Ba4—
  8. 4... Nf6—
  9. 5. O-ORuy Lopez: Morphy Defense
  10. 5... Be7Ruy Lopez: Closed
  11. 6. Re1—
  12. 6... b5—
  13. 7. Bb3Ruy Lopez: Closed
  14. 7... d6—
  15. 8. c3—
  16. 8... O-ORuy Lopez: Closed
  17. 9. h3Ruy Lopez: Closed
  18. 9... Na5Ruy Lopez: Closed, Chigorin Defense

Named lines from here

Related openings

FEN

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