King's Gambit Accepted: Bishop's Gambit, First Jaenisch Variation
1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Nf6
The King's Gambit Accepted: Bishop's Gambit, First Jaenisch Variation is a chess opening classified as ECO C33, reached after 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Nf6. It is a line of the King's Gambit Accepted. White is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 193 times by this move order. White won 55%, 3% were drawn and Black won 42%. The most popular continuation is 5. Nf3 (79% of games).
Engine evaluation: −0.56 (Stockfish, depth 38; best line 5. Nf3 Qh6 6. d4 d6 7. Nc3 Be7)
- ECO
- C33
- Moves
- 8 plies
- FEN
rnb1kb1r/pppp1ppp/5n2/8/2B1Pp1q/8/PPPP2PP/RNBQ1KNR w kq - 4 5- PGN
1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Nf6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 18 | |
| 1500-1999 | 128 | |
| 2000+ | 47 | |
| All | 193 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 5. Nf3 | 153 (79%) | |
| 5. Nc3 | 35 (18%) | |
| 5. d3 | 3 (2%) | |
| 5. Qe2 | 1 (1%) | |
| 5. e5 | 1 (1%) |
Master games
44 over-the-board games are classified under this line (White 43%, draw 18%, Black 39%). The strongest:
- Stoofvlees II d9 (3541) – Reckless 0.10.0-dev-9057bc13 (3749) 1/2-1/2 · TCEC 29 Gambit Bonus 2026 · 2026-05-31
- Reckless 0.10.0-dev-9057bc13 (3749) – Stoofvlees II d9 (3541) 1/2-1/2 · TCEC 29 Gambit Bonus 2026 · 2026-05-31
- GM Aleksei Pridorozhni (2597) – GM Bogdan-Daniel Deac (2625) 1-0 · Titled Tuesday 8th Sept · 2020-09-08
- GM Boris Savchenko (2505) – GM Grzegorz Nasuta (2579) 1-0 · World Rapid 2023 · 2023-12-28
- GM Jonny Hector (2513) – GM Frode Olav Olsen Urkedal (2549) 1/2-1/2 · TCh-SWE Elitserien · 2017-03-26
Highest-rated Lichess games
- young_people (2447) – FM Bobbybunny (2336) 1-0 · 2026-09-04 · 180 + 2s
- Morrelo (2328) – Povalm (2321) 1-0 · 2026-09-04 · 180 + 0s
- Fivezero (2333) – plavius (2299) 0-1 · 2026-09-01 · 180 + 0s
Comes from
King's Gambit Accepted: Bishop's Gambit 1. e4 e5 2. f4 exf4 3. Bc4
More King's Gambit Accepted lines (all)
- King's Gambit Accepted C33
- King's Gambit Accepted: Basman Gambit C33
- King's Gambit Accepted: Bishop's Gambit, Anderssen Defense C33
- King's Gambit Accepted: Bishop's Gambit, Anderssen Variation C33
- King's Gambit Accepted: Bishop's Gambit, Bledow Countergambit C33
- King's Gambit Accepted: Bishop's Gambit, Bledow Variation C33
- King's Gambit Accepted: Bishop's Gambit, Boden Variation C33
- King's Gambit Accepted: Bishop's Gambit, Bogoljubow Defense C33
- King's Gambit Accepted: Bishop's Gambit, Bogoljubow Variation C33
- King's Gambit Accepted: Bishop's Gambit, Boren-Svenonius Variation C33
- King's Gambit Accepted: Bishop's Gambit, Bryan Countergambit C33
- King's Gambit Accepted: Bishop's Gambit, Chigorin's Attack C33
Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.