Caissa Codex
C39

King's Gambit Accepted: Kieseritzky, Long Whip Defense, Jaenisch Variation

Chess diagram: King's Gambit Accepted: Kieseritzky, Long Whip Defense, Jaenisch Variation after 8. Nc3

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Statistics from Lichess

1,691 games: White 56.8% / Draw 2.8% / Black 40.4%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
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Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 5, 2026

Engine evaluation

+1.25 White is better

Best play: 8... d6 9. Nxf7 Rxf7 10. Bxf7+ Kxf7 11. Bxf4 Kg7 12. O-O Be6 13. d5

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

Overview

King's Gambit Accepted: Kieseritzky, Long Whip Defense, Jaenisch Variation (ECO C39, Open Games) is a gambit in the King's Gambit Accepted: Kieseritzky Gambit, Long Whip, reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5 6. Bc4 Rh7 7. d4 Bh6 8. Nc3 (8 moves).

In 1,691 rated Lichess games between players rated 1600 to 2500, White won 56.8%, Black 40.4% and 2.8% were drawn. Black's most played move here is 8…d6, in 49% of those games.

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How to play against the King's Gambit Accepted: Kieseritzky, Long Whip Defense, Jaenisch Variation

8…Nc6 scores best for Black: 46.7%, with Black winning 43.9% and White 50.4% of 228 games. The most played answer, 8…d6, scores lowest: 37.8% in 835 games. Stockfish's first choice is 8…d6.

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. “King's Gambit Accepted: Kieseritzky, Long Whip Defense, Jaenisch Variation (C39)”. Lichess data as of 5 Nov 2026. https://chesscodex.org/openings/kings-gambit-accepted-kieseritzky-long-whip-defense-jaenisch-variation

https://chesscodex.org/openings/kings-gambit-accepted-kieseritzky-long-whip-defense-jaenisch-variation