English Opening: Anglo-Indian Defense, Slav Formation

1. c4 Nf6 2. Nf3 g6 3. g3 c6

English Opening: Anglo-Indian Defense, Slav Formation after 1. c4 Nf6 2. Nf3 g6 3. g3 c6 87654321abcdefgh

The English Opening: Anglo-Indian Defense, Slav Formation is a chess opening classified as ECO A15, reached after 1. c4 Nf6 2. Nf3 g6 3. g3 c6. It is a line of the English Opening. White is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 6 times by this move order. White won 83%, 0% were drawn and Black won 17%. The most popular continuation is 4. Bg2 (83% of games).

Engine evaluation: +0.34 (Stockfish, depth 34; best line 4. b3 Bg7 5. Bb2 d5 6. Bg2 O-O)

ECO
A15
Moves
6 plies
FEN
rnbqkb1r/pp1ppp1p/2p2np1/8/2P5/5NP1/PP1PPP1P/RNBQKB1R w KQkq - 0 4
PGN
1. c4 Nf6 2. Nf3 g6 3. g3 c6

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
1500-19991100%
2000+5100%
All683%17%

Most played moves

MoveGamesWhite / draw / Black
4. Bg25 (83%)80%20%
4. d41 (17%)100%

Master games

18 over-the-board games are classified under this line (White 28%, draw 44%, Black 28%). The strongest:

Search all games of the English Opening: Anglo-Indian Defense, Slav Formation and its sub-variations

Highest-rated Lichess games

Comes from

English Opening: Anglo-Indian Defense, King's Indian Formation 1. c4 Nf6 2. Nf3 g6

More English Opening lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.