King's Pawn Game: Clam Variation, Radisch Gambit
1. e4 e5 2. d3 Nf6 3. f4 Bc5
The King's Pawn Game: Clam Variation, Radisch Gambit is a chess opening classified as ECO C20, reached after 1. e4 e5 2. d3 Nf6 3. f4 Bc5. It is a line of the King's Pawn Game. White is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 115 times by this move order. White won 44%, 6% were drawn and Black won 50%. The most popular continuation is 4. fxe5 (49% of games).
Engine evaluation: +1.43 (Stockfish, depth 35; best line 4. fxe5 Nxe4 5. Qg4 d5 6. Qxg7 Qh4+)
- ECO
- C20
- Moves
- 6 plies
- FEN
rnbqk2r/pppp1ppp/5n2/2b1p3/4PP2/3P4/PPP3PP/RNBQKBNR w KQkq - 1 4- PGN
1. e4 e5 2. d3 Nf6 3. f4 Bc5
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 60 | |
| 1500-1999 | 55 | |
| All | 115 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 4. fxe5 | 56 (49%) | |
| 4. f5 | 24 (21%) | |
| 4. Nf3 | 15 (13%) | |
| 4. Nc3 | 4 (3%) | |
| 4. c3 | 4 (3%) | |
| 4. h3 | 4 (3%) | |
| 4. Be2 | 3 (3%) | |
| 4. d4 | 2 (2%) |
Master games
1 over-the-board game is classified under this line (White 100%, draw 0%, Black 0%). The strongest:
- Hartmut Moritz (2001) – Heiko Baumert (1785) 1-0 · 13th Int Senioren-Cup · 2025-03-29
Search all games of the King's Pawn Game: Clam Variation, Radisch Gambit and its sub-variations
Highest-rated Lichess games
- latinoganador (1922) – DonaldThe (2018) 0-1 · 2026-09-05 · 180 + 1s
- mavisatranc2 (1945) – poEDical (1958) 1/2-1/2 · 2026-09-04 · 300 + 3s
- Jupiterr54 (1918) – rezakebria1361 (1901) 0-1 · 2026-09-01 · 300 + 0s
Comes from
King's Pawn Game: Leonardis Variation 1. e4 e5 2. d3
More King's Pawn Game lines (all)
- King's Pawn Game (1. e4) B00
- King's Pawn Game: Maróczy Defense B07
- King's Pawn Game (1. e4 e5) C20
- King's Pawn Game: Alapin Opening C20
- King's Pawn Game: Bavarian Gambit C20
- King's Pawn Game: Beyer Gambit C20
- King's Pawn Game: Clam Variation, King's Gambit Reversed C20
- King's Pawn Game: King's Head Opening (1… e5 2. f3) C20
- King's Pawn Game: King's Head Opening (2… Nf6 3. Nc3) C20
- King's Pawn Game: MacLeod Attack C20
- King's Pawn Game: MacLeod Attack, Lasa Gambit C20
- King's Pawn Game: MacLeod Attack, Norwalde Gambit C20
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.