C41

Philidor Defense: Bird Gambit

Chess diagram: Philidor Defense: Bird Gambit after 4. c3

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

477,825 games: White 55.5% / Draw 4.0% / Black 40.6%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
283,396283K
73,93574K
34,90035K
22,10722K
21,25421K
11,17111K
10,76311K
4,7754,775

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 1, 2026

Engine evaluation

−0.11 The position is about equal

Best play: 4... dxc3 5. Nxc3 Nf6 6. Bf4 Be7 7. Qc2 O-O 8. Be2 Nc6 9. Rd1

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

By rating

Rating changes little here: White scores 55% under 1400, 54% at 2200 and up (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 89K
1400–1799 322K
1800–2199 272K
2200 and up 13K
Masters, over the board 4

Master games

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

Philidor Defense: Bird Gambit (ECO C41, Open Games) is a gambit in the Philidor Defense: Exchange Variation, reached after 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. c3 (4 moves).

In 477,825 rated Lichess games between players rated 1600 to 2500, White won 55.5%, Black 40.6% and 4.0% were drawn. Black's most played move here is 4…dxc3, in 59% of those games.

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How to play against the Philidor Defense: Bird Gambit

4…Nf6 scores best for Black: 49.0%, with Black winning 46.7% and White 48.7% of 74K games. The most played answer, 4…dxc3, scores lowest: 40.9% in 283K games. Stockfish's first choice is 4…dxc3.

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 Philidor Defense: Bird Gambit dipped to 0.016% of Lichess games in 2020 and has recovered since: 0.022% in 2025.

Numbers by year
YearShare of gamesGames
20160.022%7,778
20170.021%11,478
20180.02%15,639
20190.018%22,741
20200.016%46,349
20210.016%61,962
20220.017%62,866
20230.018%67,127
20240.02%71,031
20250.022%75,949
2026 (Jan–Apr)0.023%24,739

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

Cite this page

Caissa Codex. “Philidor Defense: Bird Gambit (C41)”. Lichess data as of 1 Nov 2026. https://chesscodex.org/openings/philidor-defense-bird-gambit