C41

Philidor Defense: Lopez Countergambit

Chess diagram: Philidor Defense: Lopez Countergambit after 3…f5

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

627,618 games: White 50.7% / Draw 3.3% / Black 46.0%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
240,294240K
214,976215K
61,97362K
61,01361K
16,93717K
15,51916K
6,1126,112
3,0223,022

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 31, 2026

Engine evaluation

+2.77 White is clearly better

Even so, Black scores 47.6% here in practice: wins plus half the draws in rated Lichess games between players rated 1600 to 2500.

Best play: 4. d4 Nc6 5. Ng5 Nh6 6. d5 Nb8 7. h4 Be7 8. Ne6 Bxe6

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

By rating

Rating changes little here: Black scores 46% both under 1400 and at 2200 and up (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 510K
1400–1799 633K
1800–2199 308K
2200 and up 7,326
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: Lopez Countergambit (ECO C41, Open Games) is a gambit in the Philidor Defense, reached after 1. e4 e5 2. Nf3 d6 3. Bc4 f5 (3 moves).

In 627,618 rated Lichess games between players rated 1600 to 2500, White won 50.7%, Black 46.0% and 3.3% were drawn. White's most played move here is 4. d3, in 38% of those games.

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How to play against the Philidor Defense: Lopez Countergambit

4. d4 scores best for White: 54.5%, with White winning 53.1% and Black 44.1% of 62K games. The most played, 4. d3, scores 53.3% in 240K games, and 4. exf5 scores lowest: 50.9%. Stockfish's first choice is also 4. d4.

Main answers: those played in at least 5% of these games. Score: White'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: Lopez Countergambit has lost ground since 2016: 0.022% of Lichess games in 2025, down from 0.033%.

Numbers by year
YearShare of gamesGames
20160.033%11,889
20170.028%15,644
20180.025%19,498
20190.026%32,667
20200.025%73,993
20210.026%99,952
20220.024%90,179
20230.024%88,567
20240.023%82,010
20250.022%77,623
2026 (Jan–Apr)0.022%24,237

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

Transpositions

Cite this page

Caissa Codex. “Philidor Defense: Lopez Countergambit (C41)”. Lichess data as of 31 Oct 2026. https://chesscodex.org/openings/philidor-defense-lopez-countergambit