A50

Indian Defense: Medusa Gambit

Chess diagram: Indian Defense: Medusa Gambit after 2…g5

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

25,060 games: White 58.5% / Draw 3.9% / Black 37.6%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
12,17912K
10,37010K
1,0851,085
664664
266266
108108
9393
6969

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 30, 2026

Engine evaluation

+2.50 White is clearly better

Best play: 3. Bxg5 Ne4 4. Bf4 Bg7 5. f3 Nd6 6. e3 c5 7. dxc5 Bxb2

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

Overview

Indian Defense: Medusa Gambit (ECO A50, Flank Openings) is a gambit in the Indian Defense: Normal Variation, reached after 1. d4 Nf6 2. c4 g5 (2 moves).

In 25,060 rated Lichess games between players rated 1600 to 2500, White won 58.5%, Black 37.6% and 3.9% were drawn. White's most played move here is 3. Nc3, in 49% of those games.

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How to play against the Indian Defense: Medusa Gambit

3. Bxg5 scores best for White: 65.4%, with White winning 63.5% and Black 32.7% of 10K games. The most played answer, 3. Nc3, scores lowest: 57.9% in 12K games. Stockfish's first choice is also 3. Bxg5.

Main answers: those played in at least 5% of these games. Score: White's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Cite this page

Caissa Codex. “Indian Defense: Medusa Gambit (A50)”. Lichess data as of 30 Oct 2026. https://chesscodex.org/openings/indian-defense-medusa-gambit