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1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6

diagram

White to move
16,197 games · 1840-2025

move

games

white wins - draws - black wins %

4. O-O

9,720

30.4%

48.8%

20.9%

4. Nc3

6,302

34.1%

40.4%

25.4%

4. d3

5,020

35%

42.5%

22.5%

4. Qe2

541

39.4%

36.4%

24.2%

4. d4

339

36.3%

33.3%

30.4%

4. Bxc6

74

28.4%

39.2%

32.4%

4. c3

8

37.5%

50%

4. Ba4

3

66.7%

33.3%

4. Kf1

Grischuk vs Giri, 2021 1/2-1/2

4.d3 +0.58 (41 ply)

NOTABLE GAMES: (?)
Steinitz vs Chigorin, 1892 (1-0)
Marshall vs Lasker, 1907 (0-1)
A W Fox vs H E Bauer, 1900 (1-0)
Kasparov vs Kramnik, 2001 (1-0)
T L Petrosian vs A Minasian, 2006 (1-0)

DEBUT: H Hesse vs NN, 1803 (1-0)
RECENT: G Oparin vs Aronian, 2018 (1/2-1/2)

GAME COLLECTIONS:
Anti-Berlin System: 4. d3, Part One by Ron
5-rl by classicalwin2
Anti-Berlin System: 4. d3 , Part Two by Ron

OPENING DESIGNATIONS:
C67: Ruy Lopez (7678)
C65: Ruy Lopez, Berlin Defense (6595)
C66: Ruy Lopez (764)
C64: Ruy Lopez, Classical (437)
C48: Four Knights (267)
C49: Four Knights (194)
C77: Ruy Lopez (84)
C80: Ruy Lopez, Open (63)
C82: Ruy Lopez, Open (24)

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