ECO family guide

King's Pawn Game — all variations and ECO codes

38 named lines across 5 ECO codes (B00–C44), spanning ECO volumes B, C. Source: the CC0-licensed lichess.org opening database.

The main line

Position after 1.e4 (B00). Open this line on Lichess → · King's Pawn Game on Lichess

How the main line scores at your rating

Real Lichess win rates for 1.e4, playing as white — the family's other variations are not separately tracked for win rate yet, main line only.

Scroll to see more →

Win/draw/loss rate by rating band
Rating band	Games	White / draw / Black	Score for white
1400-1600	608,878,905	49.7% / 3.8% / 46.5%	51.6%
1600-1800	641,326,182	49.4% / 4.1% / 46.5%	51.4%
1800-2000	516,540,298	48.9% / 4.6% / 46.5%	51.2%
2000+	349,142,622	48.4% / 5.8% / 45.8%	51.3%

All 38 named variations

Every named line in the King's Pawn Game family, from the CC0-licensed ECO classification — not separately tracked for win rate, but every ECO code and move sequence is real, sourced data.

B00King's Pawn Game (main line) — 1.e4
C20King's Pawn Game (main line) — 1.e4 e5
B07Maróczy Defense — 1.e4 d6 2.d4 e5
C20Alapin Opening — 1.e4 e5 2.Ne2
C20Bavarian Gambit — 1.e4 e5 2.c4 d5
C20Beyer Gambit — 1.e4 e5 2.d4 d5
Clam Variation
- C20King's Gambit Reversed — 1.e4 e5 2.d3 f5
- C20Radisch Gambit — 1.e4 e5 2.d3 Nf6 3.f4 Bc5
C20King's Head Opening — 1.e4 e5 2.f3
C20King's Head Opening — 1.e4 e5 2.f3 Nf6 3.Nc3
C20Leonardis Variation — 1.e4 e5 2.d3
C20MacLeod Attack — 1.e4 e5 2.c3
- C20Lasa Gambit — 1.e4 e5 2.c3 f5
- C20Norwalde Gambit — 1.e4 e5 2.c3 d5 3.Qh5 Bd6
C20Mengarini's Opening — 1.e4 e5 2.a3
C20Napoleon Attack — 1.e4 e5 2.Qf3
C20Philidor Gambit — 1.e4 e5 2.d4 d6 3.dxe5 Bd7
C20Tortoise Opening — 1.e4 e5 2.Bd3
C20Wayward Queen Attack — 1.e4 e5 2.Qh5
- C20Kiddie Countergambit — 1.e4 e5 2.Qh5 Nf6
- C20Mellon Gambit — 1.e4 e5 2.Qh5 Nc6 3.Bc4 Nh6 4.d3 g6 5.Qf3 f6 6.Ne2 d5
C20Weber Gambit — 1.e4 e5 2.d3 d5 3.exd5 c6 4.dxc6 Nxc6
C40Busch-Gass Gambit — 1.e4 e5 2.Nf3 Bc5
- C40Chiodini Gambit — 1.e4 e5 2.Nf3 Bc5 3.Nxe5 Nc6
C40Damiano Defense — 1.e4 e5 2.Nf3 f6
- C40Damiano Gambit — 1.e4 e5 2.Nf3 f6 3.Nxe5 fxe5 4.Qh5+ g6 5.Qxe5+ Qe7 6.Qxh8
  - C40Chigorin Gambit — 1.e4 e5 2.Nf3 f6 3.Nxe5 Qe7 4.Nf3 d5
Gunderam Defense
- C40Gunderam Gambit — 1.e4 e5 2.Nf3 Qe7 3.Bc4 f5
C40Gunderam Gambit — 1.e4 e5 2.Nf3 c6
C40La Bourdonnais Gambit — 1.e4 e5 2.Nf3 Qf6 3.Bc4 Qg6 4.O-O
C40McConnell Defense — 1.e4 e5 2.Nf3 Qf6
C44Dresden Opening — 1.e4 e5 2.Nf3 Nc6 3.c4
C44Pachman Wing Gambit — 1.e4 e5 2.Nf3 Nc6 3.b4
C44Schulze-Müller Gambit — 1.e4 e5 2.Nf3 Nc6 3.Nxe5 Nxe5 4.d4
C44Tayler Opening — 1.e4 e5 2.Nf3 Nc6 3.Be2
C44Tayler Opening — 1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d4
- C44Basman Gambit — 1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d4 exd4 5.e5
- C44Inverted Hanham — 1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d3 d5 5.Nbd2