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1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4

diagram

White to move
1,234 games · 1856-2025
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move

games

white wins - draws - black wins %

4. Nxd4

1,066

49.1%

27.3%

23.6%

4. Bc4

108

41.7%

24.1%

34.3%

4. Ba4

48

45.8%

27.1%

27.1%

4. Nc3

5

80%

20%

4. Be2

4

25%

50%

25%

4. O-O

2

50%

50%

4. Nxe5

R Creswell vs Hon Ki Tsang, 2010 0-1

4.Nxd4 +0.84 (44 ply)

NOTABLE GAMES: (?)
Anderssen vs M Lange, 1859 (0-1)
J A Congdon vs E Delmar, 1880 (1/2-1/2)
V Kahn vs Hartlaub, 1916 (0-1)
S Pencil vs G Goltsoff, 1976 (1-0)
Kasparov vs Khalifman, 2002 (1-0)

DEBUT: Anderssen vs Dufresne, 1851 (0-1)
RECENT: M Hansen vs V Prosviriakov, 2017 (1-0)

GAME COLLECTIONS:
Birds Defense victories by InspiredByMorphy
FLAWLESSWIN64's RuyLopez-Birds collection by FLAWLESSWIN64
Ruy Lopez Bird for White by prime rib

OPENING DESIGNATIONS:
C61: Ruy Lopez, Bird's Defense (1233)
C48: Four Knights (1)

FEN:
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