Caissa Codex
C23

Bishop's Opening: Calabrese Countergambit, Jaenisch Variation

Chess diagram: Bishop's Opening: Calabrese Countergambit, Jaenisch Variation after 3. d3

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

94,724 games: White 49.9% / Draw 3.5% / Black 46.6%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
81,57782K
4,1584,158
2,0342,034
1,9031,903
1,5741,574
1,1221,122
732732
653653

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 1, 2026

Engine evaluation

+0.85 White is better

Best play: 3... Nf6 4. Nc3 Bb4 5. Ne2 d6 6. Bg5 Nbd7 7. f4 c6 8. a3

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

Overview

Bishop's Opening: Calabrese Countergambit, Jaenisch Variation (ECO C23, Open Games) is a gambit in the Bishop's Opening: Calabrese Countergambit, reached after 1. e4 e5 2. Bc4 f5 3. d3 (3 moves).

In 94,724 rated Lichess games between players rated 1600 to 2500, White won 49.9%, Black 46.6% and 3.5% were drawn. Black's most played move here is 3…Nf6, in 86% of those games.

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Cite this page

Caissa Codex. “Bishop's Opening: Calabrese Countergambit, Jaenisch Variation (C23)”. Lichess data as of 1 Nov 2026. https://chesscodex.org/openings/bishops-opening-calabrese-countergambit-jaenisch-variation

https://chesscodex.org/openings/bishops-opening-calabrese-countergambit-jaenisch-variation