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Chess Opening Explorer
1. e4 e5   2. Nf3 Nc6   3. Nc3 Nf6   4. Bb5 Bb4  
diagram
White to move
2,756 games · 1871-2025
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 move games white wins - draws - black wins %
5. O-O  2,472

33.9%

40.3%

25.8%
5. d3  182

34.1%

31.9%

34.1%
5. Nd5  69

33.3%

33.3%

33.3%
5. Bxc6  21

33.3%

28.6%

38.1%
5. a3  7

14.3

57.1%

28.6%
5. Qe2  5

40%

60%
5. Be2 L Engel vs V Finek, 2024 1/2-1/2

5.O-O +0.27 (33 ply) STOCKFISH   EDIT NOTES

NOTABLE GAMES: (?)
Capablanca vs H Steiner, 1933 (1-0)
W Winter vs Capablanca, 1919 (0-1)
Traxler vs J Samanek, 1900 (1-0)
S Boyd vs T Glimbrant, 1992 (1/2-1/2)
Spielmann vs Rubinstein, 1911 (1-0)

DEBUT: Paulsen vs M Fleissig, 1873 (1-0)
RECENT: D Dvirnyy vs K Solomon, 2018 (1/2-1/2)

GAME COLLECTIONS:
Ruy Lopez (Four Knights Game) by Mahavir
Four Knights Game: Spanish. Symmetrical Variatio by checkhov

OPENING DESIGNATIONS:
C49: Four Knights (2755)
000: Chess variants (1)

FEN:
URL:

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