A66

Benoni Defense: Mikenas Variation

Chess diagram: Benoni Defense: Mikenas Variation after 8. e5

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

23,375 games: White 57.5% / Draw 4.0% / Black 38.5%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
13,85614K
6,3516,351
1,1591,159
731731
719719
362362
114114
6363

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 29, 2026

Engine evaluation

+0.03 The position is about equal

Best play: 8... Nfd7 9. Be2 dxe5 10. Nf3 O-O 11. O-O e4 12. Nxe4 Nf6 13. Nc3

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

Overview

Benoni Defense: Mikenas Variation (ECO A66, Flank Openings) is a variation of the Benoni Defense: Pawn Storm Variation, reached after 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. e5 (8 moves).

In 23,375 rated Lichess games between players rated 1600 to 2500, White won 57.5%, Black 38.5% and 4.0% were drawn. Black's most played move here is 8…dxe5, in 59% of those games.

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How to play against the Benoni Defense: Mikenas Variation

8…Nfd7 scores best for Black: 46.0%, with Black winning 43.8% and White 51.8% of 6,351 games. The most played answer, 8…dxe5, scores lowest: 37.8% in 14K games. Stockfish's first choice is also 8…Nfd7.

Main answers: those played in at least 5% of these games. Score: Black'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. “Benoni Defense: Mikenas Variation (A66)”. Lichess data as of 29 Oct 2026. https://chesscodex.org/openings/benoni-defense-mikenas-variation