Caissa Codex
A05

King's Indian Attack: Spassky Variation

Chess diagram: King's Indian Attack: Spassky Variation after 2…b5

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

77,245 games: White 45.2% / Draw 8.3% / Black 46.4%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
71,35471K
1,5131,513
1,2541,254
781781
613613
593593
397397
322322

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 9, 2026

Engine evaluation

+0.17 The position is about equal

Best play: 3. Bg2 Bb7 4. O-O e6 5. d3 Be7 6. e4 d6 7. Na3 c6

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

King's Indian Attack: Spassky Variation (ECO A05, Flank Openings) is a variation of the Zukertort Opening, reached after 1. Nf3 Nf6 2. g3 b5 (2 moves).

In 77,245 rated Lichess games between players rated 1600 to 2500, White won 45.2%, Black 46.4% and 8.3% were drawn. White's most played move here is 3. Bg2, in 92% of those games.

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Other lines from the same position

Instead of 2. g3 b5, the position after Zukertort Opening also goes on to:

Cite this page

Caissa Codex. “King's Indian Attack: Spassky Variation (A05)”. Lichess data as of 9 Nov 2026. https://chesscodex.org/openings/kings-indian-attack-spassky-variation

https://chesscodex.org/openings/kings-indian-attack-spassky-variation