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Philidor Defense: Philidor Countergambit, del Rio Attack

9.7K games from Lichess · Updated January 2026

Playable
White Expected Score50.9%Range (90% confident): 50.1% – 51.7%Based on 9.7K games
0%50.9%100%
Range (90% confident): 50.1% – 51.7%
Outcome Distribution
49.7%2.4%47.9%
Win
Draw
Loss
6.e6
Philidor Defense: Philidor Countergambit, del Rio Attack
Analyzen=9.7K
Avg Length29 moves
Sharpness98%
Draw Rate2.4%

What is the Philidor Defense: Philidor Countergambit, del Rio Attack expected score for White?

Snapshot

At all ratings, the Philidor Defense: Philidor Countergambit, del Rio Attack has a 50.9% expected score for White (we're 90% confident it's between 50.1% and 51.7%), based on 9.7K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Time-Control Swing

Max swing: 12.4% · Rapid best · Bullet worst

White Win% by Rating

Declines with rating: 62% → 42%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 62.3% win rate (33 games)
  • 1000-1199: 60.6% win rate (166 games)
  • 1200-1399: 60.5% win rate (335 games)
  • 1400-1599: 57.2% win rate (828 games)
  • 1600-1799: 52.6% win rate (1,344 games)
  • 1800-1999: 47.5% win rate (3,359 games)
  • 2000-2199: 47.4% win rate (2,758 games)
  • 2200-2499: 47.5% win rate (871 games)
  • 2500+: 42.1% win rate (52 games)

White Win% by Time Control

Best in Classical (68%), worst in UltraBullet (20%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 20.0% win rate (1 games)
  • Bullet: 47.4% win rate (3,654 games)
  • Blitz: 50.2% win rate (5,543 games)
  • Rapid: 59.8% win rate (531 games)
  • Classical: 67.6% win rate (17 games)

White% by Rating × Time Control

Click any cell to filter. Green = above 50%, Red = below 50%.

RatingUBBulleBlitzRapidClass
0-999——
1000-1199——
1200-1399—
1400-1599—
1600-1799
1800-1999—
2000-2199—
2200-2499—
2500+——

Expected score matrix by rating bracket and time control

  • 0-999 rating, Bullet: 39.5% expected score (8 games)
  • 0-999 rating, Blitz: 73.5% expected score (24 games)
  • 0-999 rating, Rapid: 30.0% expected score (1 games)
  • 1000-1199 rating, Bullet: 58.9% expected score (49 games)
  • 1000-1199 rating, Blitz: 59.3% expected score (90 games)
  • 1000-1199 rating, Rapid: 71.1% expected score (27 games)
  • 1200-1399 rating, Bullet: 53.3% expected score (120 games)
  • 1200-1399 rating, Blitz: 63.2% expected score (170 games)
  • 1200-1399 rating, Rapid: 68.4% expected score (42 games)
  • 1200-1399 rating, Classical: 83.4% expected score (3 games)
  • 1400-1599 rating, Bullet: 51.5% expected score (343 games)
  • 1400-1599 rating, Blitz: 61.3% expected score (412 games)
  • 1400-1599 rating, Rapid: 71.8% expected score (72 games)
  • 1400-1599 rating, Classical: 70.0% expected score (1 games)
  • 1600-1799 rating, UltraBullet: 30.0% expected score (1 games)
  • 1600-1799 rating, Bullet: 49.1% expected score (512 games)
  • 1600-1799 rating, Blitz: 54.7% expected score (735 games)
  • 1600-1799 rating, Rapid: 65.0% expected score (95 games)
  • 1600-1799 rating, Classical: 30.0% expected score (1 games)
  • 1800-1999 rating, Bullet: 45.9% expected score (1,126 games)
  • 1800-1999 rating, Blitz: 50.0% expected score (2,093 games)
  • 1800-1999 rating, Rapid: 56.4% expected score (132 games)
  • 1800-1999 rating, Classical: 71.1% expected score (8 games)
  • 2000-2199 rating, Bullet: 46.6% expected score (993 games)
  • 2000-2199 rating, Blitz: 49.3% expected score (1,628 games)
  • 2000-2199 rating, Rapid: 54.8% expected score (134 games)
  • 2000-2199 rating, Classical: 50.0% expected score (3 games)
  • 2200-2499 rating, Bullet: 50.6% expected score (457 games)
  • 2200-2499 rating, Blitz: 46.5% expected score (386 games)
  • 2200-2499 rating, Rapid: 55.3% expected score (27 games)
  • 2200-2499 rating, Classical: 70.0% expected score (1 games)
  • 2500+ rating, Bullet: 49.0% expected score (46 games)
  • 2500+ rating, Blitz: 34.7% expected score (5 games)
  • 2500+ rating, Rapid: 70.0% expected score (1 games)

Related Openings

Parent
Philidor Defense
50.2%
Variations (5)
Philidor Defense: Albin-Blackburne Gambit
44.3%
Philidor Defense: Berger Variation
40.3%
Philidor Defense: Bird Gambit
53.3%
Philidor Defense: Boden Variation
49.4%
Philidor Defense: Exchange Variation
50.5%
Analyze Philidor Defense: Philidor Countergambit, del Rio Attack PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Philidor Defense: Philidor Countergambit, del Rio Attack win rate?

The Philidor Defense: Philidor Countergambit, del Rio Attack has a 49.7% (90% CI: 48.9%-50.5%) win rate for white, based on 9.7K rated games from Lichess.

At what rating does the Philidor Defense: Philidor Countergambit, del Rio Attack perform best?

The Philidor Defense: Philidor Countergambit, del Rio Attack performs best at 1200-1399 Elo with a 60.5% win rate for white (335 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Philidor Defense: Philidor Countergambit, del Rio Attack better in blitz or rapid?

Rapid (59.8%) outperforms Bullet (47.4%) by 12.4%. Choose your time control wisely.

How sharp is the Philidor Defense: Philidor Countergambit, del Rio Attack?

The Philidor Defense: Philidor Countergambit, del Rio Attack has a sharpness score of 97.6 (very decisive), meaning 97.6% of games end decisively. Average game length is 29 moves.

What is the Philidor Defense: Philidor Countergambit, del Rio Attack win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Philidor Defense: Philidor Countergambit, del Rio Attack has a 60.6% (90% CI: 54.3%-66.7%) win rate for white, based on 166 Lichess games. Average game length is 25 moves with a 1.5% draw rate.

What is the Philidor Defense: Philidor Countergambit, del Rio Attack win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Philidor Defense: Philidor Countergambit, del Rio Attack has a 60.5% (90% CI: 56.1%-64.8%) win rate for white, based on 335 Lichess games. Average game length is 26 moves with a 0.4% draw rate.

What is the Philidor Defense: Philidor Countergambit, del Rio Attack win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Philidor Defense: Philidor Countergambit, del Rio Attack has a 57.2% (90% CI: 54.4%-60.0%) win rate for white, based on 828 Lichess games. Average game length is 26 moves with a 2.0% draw rate.

What is the Philidor Defense: Philidor Countergambit, del Rio Attack win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Philidor Defense: Philidor Countergambit, del Rio Attack has a 52.6% (90% CI: 50.3%-54.8%) win rate for white, based on 1.3K Lichess games. Average game length is 28 moves with a 1.2% draw rate.

What is the Philidor Defense: Philidor Countergambit, del Rio Attack win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Philidor Defense: Philidor Countergambit, del Rio Attack has a 47.5% (90% CI: 46.1%-48.9%) win rate for white, based on 3.4K Lichess games. Average game length is 30 moves with a 2.9% draw rate.

What is the Philidor Defense: Philidor Countergambit, del Rio Attack win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Philidor Defense: Philidor Countergambit, del Rio Attack has a 47.4% (90% CI: 45.8%-48.9%) win rate for white, based on 2.8K Lichess games. Average game length is 31 moves with a 2.4% draw rate.

What is the Philidor Defense: Philidor Countergambit, del Rio Attack win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Philidor Defense: Philidor Countergambit, del Rio Attack has a 47.5% (90% CI: 44.7%-50.3%) win rate for white, based on 871 Lichess games. Average game length is 31 moves with a 2.9% draw rate.

What is the Philidor Defense: Philidor Countergambit, del Rio Attack win rate in Bullet?

In Bullet games, the Philidor Defense: Philidor Countergambit, del Rio Attack has a 47.4% (90% CI: 46.0%-48.7%) win rate for white (3.7K Lichess games). Draw rate is 1.4%.

What is the Philidor Defense: Philidor Countergambit, del Rio Attack win rate in Blitz?

In Blitz games, the Philidor Defense: Philidor Countergambit, del Rio Attack has a 50.2% (90% CI: 49.1%-51.3%) win rate for white (5.5K Lichess games). Draw rate is 2.9%.

What is the Philidor Defense: Philidor Countergambit, del Rio Attack win rate in Rapid?

In Rapid games, the Philidor Defense: Philidor Countergambit, del Rio Attack has a 59.8% (90% CI: 56.3%-63.3%) win rate for white (531 Lichess games). Draw rate is 3.3%.

Is the Philidor Defense: Philidor Countergambit, del Rio Attack a good opening?

The Philidor Defense: Philidor Countergambit, del Rio Attack is statistically balanced with a 49.7% (90% CI: 48.9%-50.5%) win rate across all ratings. It performs best at 1200-1399 Elo. Your results depend on your rating, time control, and how well you know the typical plans.