Philidor Defense: Philidor Countergambit, del Rio Attack

1. e4 e5 2. Nf3 d6 3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6

Philidor Defense: Philidor Countergambit, del Rio Attack after 1. e4 e5 2. Nf3 d6 3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6 87654321abcdefgh

The Philidor Defense: Philidor Countergambit, del Rio Attack is a chess opening classified as ECO C41, reached after 1. e4 e5 2. Nf3 d6 3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6. It is a line of the Philidor Defense. Black is to move. 1 named line continues from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 49 times by this move order. White won 47%, 0% were drawn and Black won 53%. The most popular continuation is 6… Nh6 (59% of games).

Engine evaluation: +1.61 (Stockfish, depth 40; best line 6… Nf6 7. Nf7 Qe7 8. Nxh8 Bxe6 9. Nc3)

ECO
C41
Moves
11 plies
FEN
rnbqkbnr/ppp3pp/4P3/3p2N1/4p3/8/PPP2PPP/RNBQKB1R b KQkq - 0 6
PGN
1. e4 e5 2. Nf3 d6 3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
0-1499333%67%
1500-19993450%50%
2000+1242%58%
All4947%53%

Most played moves

MoveGamesWhite / draw / Black
6… Nh629 (59%)52%48%
6… Bc59 (18%)44%56%
6… Be75 (10%)100%
6… Nf64 (8%)50%50%
6… Qf61 (2%)100%
6… h61 (2%)100%

Master games

22 over-the-board games are classified under this line (White 41%, draw 9%, Black 50%). The strongest:

Search all games of the Philidor Defense: Philidor Countergambit, del Rio Attack and its sub-variations

Highest-rated Lichess games

Comes from

Philidor Defense: Philidor Countergambit 1. e4 e5 2. Nf3 d6 3. d4 f5

Continuations

More Philidor Defense lines (all)

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.