Chess openings library

Explore openings by family — ideas, typical plans, and pros and cons.

1.e4 e5 — Open Games

Ruy Lopez (C60)1.e4 e5 2.Nf3 Nc6 3.Bb5 Italian Game (C50)1.e4 e5 2.Nf3 Nc6 3.Bc4 Scotch Game (C44)1.e4 e5 2.Nf3 Nc6 3.d4 King's Gambit (C30)1.e4 e5 2.f4 Vienna Game (C25)1.e4 e5 2.Nc3 Petrov's Defense (C42)1.e4 e5 2.Nf3 Nf6

Sicilian Defense Variations

Sicilian Defense (B20)1.e4 c5 Sicilian Najdorf (B90)1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 Sicilian Dragon (B70)1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 Sicilian Scheveningen (B80)1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6

Semi-Open Games (1.e4, not 1...e5)

French Defense (C00)1.e4 e6 Caro-Kann Defense (B10)1.e4 c6 Alekhine's Defense (B02)1.e4 Nf6 Pirc Defense (B06)1.e4 d6 2.d4 Nf6 3.Nc3 g6

1.d4 — Closed and Semi-Closed Games

Queen's Gambit (D06)1.d4 d5 2.c4 Queen's Gambit Declined (D30)1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 Slav Defense (D10)1.d4 d5 2.c4 c6 King's Indian Defense (E60)1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 0-0 Nimzo-Indian Defense (E20)1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 Grünfeld Defense (D70)1.d4 Nf6 2.c4 g6 3.Nc3 d5 London System (A45)1.d4 d5 2.Nf3 Nf6 3.Bf4 Dutch Defense (A80)1.d4 f5 Catalan Opening (E00)1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3

Flank and Hypermodern Openings

English Opening (A10)1.c4 Réti Opening (A09)1.Nf3 d5 2.c4

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