King's Gambit Accepted: Rosentreter Gambit
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Statistics from Lichess
539,022 games: White 46.7% / Draw 3.1% / Black 50.2%
| Next move | Games | White / Draw / BlackW / D / B |
|---|---|---|
| 200,067200K | ||
| 106,461106K | ||
| 101,429101K | ||
| 50,19750K | ||
| 18,01318K | ||
| 11,56912K | ||
| 11,01511K | ||
| 9,8259,825 |
Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 13, 2026
Engine evaluation
−0.56 Black is slightly better
Best play: 4... g4 5. Ne5 Qh4+ 6. g3 fxg3 7. Qxg4 Qxg4 8. Nxg4 Nc6 9. c3
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 53% under 1400, 48% at 2200 and up (wins plus half the draws).
| Players | Games | White / Draw / BlackW / D / B |
|---|---|---|
| Under 1400 | 134K | |
| 1400–1799 | 389K | |
| 1800–2199 | 291K | |
| 2200 and up | 11K | |
| Masters, over the board | 111 |
Master games
- Ponomariov, R. – Dominguez Perez, L.
- Morozevich, A. – Aleksandrov, A.
- Fedorov, A. – Adams, M.
- Can, E. – Sargissian, G.
- Notkin, M. – Kazhgaleyev, M.
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
King's Gambit Accepted: Rosentreter Gambit (ECO C37, Open Games) is a gambit in the King's Gambit Accepted: King's Knight's Gambit, reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 (4 moves).
In 539,022 rated Lichess games between players rated 1600 to 2500, White won 46.7%, Black 50.2% and 3.1% were drawn. Black's most played move here is 4…g4, in 37% of those games.
It branches into 3 named variations; the most played are King's Gambit Accepted: Sörensen Gambit and King's Gambit Accepted: Rosentreter Gambit, Testa Variation. In all, 4 named lines continue from it.
Written from the Lichess opening list and explorer. Know this line well? Write about it.
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How to play against the King's Gambit Accepted: Rosentreter Gambit
4…Bg7 scores best for Black: 55.7%, with Black winning 54.0% and White 42.5% of 101K games. The most played, 4…g4, scores 53.2% in 200K games, and 4…d6 scores lowest: 51.0%. Stockfish's first choice is 4…g4.
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 King's Gambit Accepted: Rosentreter Gambit has stayed between 0.019% and 0.024% of Lichess games a year since 2016 (0.021% in 2025).
Numbers by year
| Year | Share of games | Games |
|---|---|---|
| 2016 | 0.024% | 8,511 |
| 2017 | 0.022% | 11,997 |
| 2018 | 0.02% | 15,821 |
| 2019 | 0.021% | 25,706 |
| 2020 | 0.019% | 55,727 |
| 2021 | 0.021% | 80,609 |
| 2022 | 0.022% | 80,974 |
| 2023 | 0.021% | 79,498 |
| 2024 | 0.021% | 74,753 |
| 2025 | 0.021% | 71,862 |
| 2026 (Jan–Apr) | 0.021% | 22,728 |
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 (3)
All 4 named lines that continue from here
Cite this page
Caissa Codex. “King's Gambit Accepted: Rosentreter Gambit (C37)”. Lichess data as of 13 Oct 2026. https://chesscodex.org/openings/kings-gambit-accepted-rosentreter-gambit