B02

Alekhine Defense: Krejcik Variation

Chess diagram: Alekhine Defense: Krejcik Variation after 2. Bc4

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Statistics from Lichess

422,482 games: White 43.5% / Draw 4.0% / Black 52.5%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
219,269219K
54,56855K
53,02653K
Bishop's Opening: Berlin Defense 41,40041K
28,53129K
8,4768,476
5,6345,634
5,5835,583

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

Engine evaluation

−1.04 Black is better

Best play: 2... Nxe4 3. Bxf7+ Kxf7 4. Qh5+ Kg8 5. Qd5+ e6 6. Qxe4 d5 7. Qe3

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

By rating

The stronger the players, the worse this line does for White: White scores 51% under 1400, 46% at 2200 and up (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 819K
1400–1799 420K
1800–2199 214K
2200 and up 13K
Masters, over the board 22

Master games

Rated blitz, rapid and classical Lichess games by rating band, and over-the-board games of players rated 2200+ from the Lichess masters database, updated Sep 27, 2026

Overview

Alekhine Defense: Krejcik Variation (ECO B02, Semi-Open Games) is a variation of the Alekhine Defense, reached after 1. e4 Nf6 2. Bc4 (2 moves).

In 422,482 rated Lichess games between players rated 1600 to 2500, White won 43.5%, Black 52.5% and 4.0% were drawn. Black's most played move here is 2…Nxe4, in 52% of those games.

It continues into one named variation, Alekhine Defense: Krejcik Variation, Krejcik Gambit.

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How to play against the Alekhine Defense: Krejcik Variation

The most played answer, 2…Nxe4, also scores best for Black: 57.2%, with Black winning 55.2% and White 40.9% of 219K games. Of the main answers, 2…e5 scores lowest: 48.5%. Stockfish's first choice is also 2…Nxe4.

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

Popularity by year

The Alekhine Defense: Krejcik Variation has stayed between 0.015% and 0.018% of Lichess games a year since 2016 (0.015% in 2025).

Numbers by year
YearShare of gamesGames
20160.018%6,429
20170.016%8,984
20180.015%12,041
20190.016%19,584
20200.017%49,032
20210.017%68,025
20220.017%63,811
20230.016%61,860
20240.016%57,786
20250.015%52,789
2026 (Jan–Apr)0.014%15,729

Share of rated Lichess games between players rated 1600 to 2500 (blitz, rapid and classical) that reach this position, by year; 2026: January to April. Which openings are rising and falling

Variations (1)

Transpositions

Cite this page

Caissa Codex. “Alekhine Defense: Krejcik Variation (B02)”. Lichess data as of 29 Oct 2026. https://chesscodex.org/openings/alekhine-defense-krejcik-variation