B10

Caro-Kann Defense: Accelerated Panov Attack 2. c4 d5

Chess diagram: Caro-Kann Defense: Accelerated Panov Attack after 2…d5

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Statistics from Lichess

3,217,060 games: White 50.1% / Draw 5.8% / Black 44.1%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
2,100,5782.1M
918,640919K
95,82996K
Caro-Kann Defense: Toikkanen Gambit 55,46555K
Slav Defense: Diemer Gambit 17,22817K
15,98816K
4,1944,194
1,8541,854

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

Engine evaluation

+0.08 The position is about equal

Best play: 3. exd5 cxd5 4. cxd5 Nf6 5. Nf3 Nxd5 6. Nc3 Nc6 7. Bb5 g6

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 Black: Black scores 49% under 1400, 46% at 2200 and up and 43% in master games (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 438K
1400–1799 1.4M
1800–2199 1.9M
2200 and up 416K
Masters, over the board 6,610

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 26, 2026

Overview

Caro-Kann Defense: Accelerated Panov Attack (ECO B10, Semi-Open Games) is a variation of the Caro-Kann Defense: Accelerated Panov Attack, reached after 1. e4 c6 2. c4 d5 (2 moves).

In 3,217,060 rated Lichess games between players rated 1600 to 2500, White won 50.1%, Black 44.1% and 5.8% were drawn. White's most played move here is 3. cxd5, in 65% of those games.

It branches into 4 named variations; the most played are Caro-Kann Defense: Accelerated Panov Attack, Modern Variation and Caro-Kann Defense: Toikkanen Gambit.

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How to answer 2…d5

3. exd5 scores best for White: 54.1%, with White winning 51.0% and Black 42.8% of 919K games. The most played answer, 3. cxd5, scores lowest: 53.0% in 2.1M games. Stockfish's first choice is also 3. exd5.

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

Popularity by year

This line has gained ground since 2016: 0.15% of Lichess games in 2025, up from 0.081%.

Numbers by year
YearShare of gamesGames
20160.081%28,879
20170.097%53,222
20180.1%79,882
20190.11%131,899
20200.099%290,407
20210.11%417,987
20220.12%461,803
20230.14%509,574
20240.14%508,121
20250.15%509,706
2026 (Jan–Apr)0.15%167,105

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 (4)

Transpositions

Cite this page

Caissa Codex. “Caro-Kann Defense: Accelerated Panov Attack (B10)”. Lichess data as of 29 Oct 2026. https://chesscodex.org/openings/caro-kann-defense-accelerated-panov-attack-2