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Englund Gambit: Mosquito Gambit

57K games from Lichess · Updated January 2026

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Analyze this line move by move

Black expected score · All ratings · All speeds

39.5%

35%55%
Floor39.1%

the worst score you would still get, 90% confident. At best 39.8%.

Measured over 57K games at this level and clock.

Tough Sellloses more often than it wins at this level

Black comes out behind here — there are better weapons in the list.

Outcomes for Black

Draw 3.5 · Score = win + ½ of the draws · 57K games

Rank among the families Black can choose here
not ranked — this is a variation, not a family
Games in this context
57K
Best context
46.0% at 1600-1799 Bullet
Worst context
28.8% at 1400-1599 Rapid
Average game length
26 moves
Games that end decisively
96.5%
Draws
3.5%

Best and worst are the strongest and weakest squares with at least 500 games behind them. The table further down shows every square, including thinner ones.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointBlack

Peak: −14.6% · Breakpoint: 0-999

Time-Control Swing

Max swing: 23.7% · Classical best · UltraBullet worst

Where it holds · Black score by rating × clock

Green is clearly ahead for Black, grey is around even, red is behind. Tap a cell to measure there, and again to clear. It falls away as the rating rises: 46.2% at 0-999, 29.6% at 2500+.

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, UltraBullet: 62.7% expected score (30 games)
  • 0-999 rating, Bullet: 42.5% expected score (4,282 games)
  • 0-999 rating, Blitz: 39.8% expected score (9,849 games)
  • 0-999 rating, Rapid: 38.1% expected score (8,176 games)
  • 0-999 rating, Classical: 47.7% expected score (63 games)
  • 1000-1199 rating, UltraBullet: 47.9% expected score (46 games)
  • 1000-1199 rating, Bullet: 43.0% expected score (3,423 games)
  • 1000-1199 rating, Blitz: 37.6% expected score (4,962 games)
  • 1000-1199 rating, Rapid: 33.8% expected score (2,825 games)
  • 1000-1199 rating, Classical: 32.0% expected score (143 games)
  • 1200-1399 rating, UltraBullet: 44.1% expected score (32 games)
  • 1200-1399 rating, Bullet: 43.4% expected score (2,378 games)
  • 1200-1399 rating, Blitz: 39.8% expected score (4,064 games)
  • 1200-1399 rating, Rapid: 30.4% expected score (1,605 games)
  • 1200-1399 rating, Classical: 21.5% expected score (123 games)
  • 1400-1599 rating, UltraBullet: 59.1% expected score (26 games)
  • 1400-1599 rating, Bullet: 43.6% expected score (2,414 games)
  • 1400-1599 rating, Blitz: 38.2% expected score (2,647 games)
  • 1400-1599 rating, Rapid: 28.8% expected score (1,002 games)
  • 1400-1599 rating, Classical: 21.7% expected score (108 games)
  • 1600-1799 rating, UltraBullet: 60.6% expected score (8 games)
  • 1600-1799 rating, Bullet: 46.0% expected score (2,576 games)
  • 1600-1799 rating, Blitz: 42.1% expected score (2,152 games)
  • 1600-1799 rating, Rapid: 32.7% expected score (366 games)
  • 1600-1799 rating, Classical: 9.4% expected score (28 games)
  • 1800-1999 rating, UltraBullet: 30.0% expected score (1 games)
  • 1800-1999 rating, Bullet: 40.9% expected score (1,878 games)
  • 1800-1999 rating, Blitz: 37.1% expected score (670 games)
  • 1800-1999 rating, Rapid: 29.6% expected score (94 games)
  • 1800-1999 rating, Classical: 40.5% expected score (9 games)
  • 2000-2199 rating, UltraBullet: 50.0% expected score (2 games)
  • 2000-2199 rating, Bullet: 42.5% expected score (821 games)
  • 2000-2199 rating, Blitz: 27.3% expected score (104 games)
  • 2000-2199 rating, Rapid: 26.4% expected score (26 games)
  • 2000-2199 rating, Classical: 16.7% expected score (3 games)
  • 2200-2499 rating, Bullet: 41.1% expected score (291 games)
  • 2200-2499 rating, Blitz: 32.3% expected score (38 games)
  • 2200-2499 rating, Rapid: 60.6% expected score (8 games)
  • 2500+ rating, UltraBullet: 30.0% expected score (1 games)
  • 2500+ rating, Bullet: 45.2% expected score (19 games)
  • 2500+ rating, Blitz: 13.7% expected score (4 games)

Related Openings

Parent
Englund Gambit
49.1%
Variations (5)
Englund Gambit: Hartlaub-Charlick Gambit
47.5%
Englund Gambit: Main Line
48.0%
Englund Gambit: Soller Gambit
50.3%
Englund Gambit: Felbecker Gambit
51.5%
Englund Gambit: Soller Gambit Deferred
50.4%
Analyze Englund Gambit: Mosquito Gambit PositionsSee what each move is worth at your rating, move by move

Methodology

Across every rating and clock, the Englund Gambit: Mosquito Gambit scores 39.5% for Black — we are 90% confident the real figure is between 39.1% and 39.8% — from 57K Lichess games. Win rate, draw rate and loss rate come from games played December 2023 to November 2025.

How the figures are made
Whose games these are
57K+ rated games played on Lichess (2023-12 to 2025-11). The games are Lichess’s and free for anyone to use. What is ours is the reading of them. Last rebuilt January 2026.
Which games we count
  • Rated games only — nothing casual.
  • Both players within 200 rating points of each other. A mismatch tells you about the gap, not about the opening.
  • At least 2 moves played.
  • A game is filed under White’s rating.
Why every number comes with a range
A number off a few hundred games is a guess. The same number off millions is a fact. The range is what tells them apart, and it is what the lists rank on — so an opening cannot reach the top on a lucky run of forty games. The more games behind a figure, the narrower its range.
How much we need before we say anything
An opening page needs 100 games. A gambit needs 50 games at a rating before we will say whether it pays there. The chaos and trap lists need 500 games overall and 250 games at one rating or clock.

Frequently Asked Questions

What is the Englund Gambit: Mosquito Gambit win rate?

Playing the Englund Gambit: Mosquito Gambit, Black wins 37.7%, draws 3.5% and loses 58.8%. Counting a draw as half a point, that is an Expected Score of 39.5%. It rests on 57K rated games from Lichess.

At what rating does the Englund Gambit: Mosquito Gambit perform best?

The Englund Gambit: Mosquito Gambit performs best for Black at 1600-1799, with an Expected Score of 43.2% (5.1K games) and the highest Floor of any rating with enough games to read.

Is the Englund Gambit: Mosquito Gambit better in blitz or rapid?

For Black, the Englund Gambit: Mosquito Gambit scores higher in Blitz: an Expected Score of 39.2% in Blitz (24K games) against 35.5% in Rapid (14K games).

How sharp is the Englund Gambit: Mosquito Gambit?

The Englund Gambit: Mosquito Gambit has a sharpness score of 96.5 (very decisive), meaning 96.5% of games end decisively. Average game length is 26 moves.

What is the Englund Gambit: Mosquito Gambit win rate at 0-999?

At 0-999, Black wins 37.3%, draws 4.8% and loses 57.9%. Counting a draw as half a point, that is an Expected Score of 39.7%. It rests on 22K Lichess games, which average 24 moves.

What is the Englund Gambit: Mosquito Gambit win rate at 1000-1199?

At 1000-1199, Black wins 36.7%, draws 3.0% and loses 60.3%. Counting a draw as half a point, that is an Expected Score of 38.2%. It rests on 11K Lichess games, which average 26 moves.

What is the Englund Gambit: Mosquito Gambit win rate at 1200-1399?

At 1200-1399, Black wins 37.3%, draws 2.7% and loses 59.9%. Counting a draw as half a point, that is an Expected Score of 38.7%. It rests on 8.2K Lichess games, which average 28 moves.

What is the Englund Gambit: Mosquito Gambit win rate at 1400-1599?

At 1400-1599, Black wins 37.4%, draws 2.3% and loses 60.3%. Counting a draw as half a point, that is an Expected Score of 38.6%. It rests on 6.2K Lichess games, which average 28 moves.

What is the Englund Gambit: Mosquito Gambit win rate at 1600-1799?

At 1600-1799, Black wins 42.1%, draws 2.1% and loses 55.7%. Counting a draw as half a point, that is an Expected Score of 43.2%. It rests on 5.1K Lichess games, which average 30 moves.

What is the Englund Gambit: Mosquito Gambit win rate at 1800-1999?

At 1800-1999, Black wins 38.3%, draws 2.2% and loses 59.4%. Counting a draw as half a point, that is an Expected Score of 39.5%. It rests on 2.7K Lichess games, which average 32 moves.

What is the Englund Gambit: Mosquito Gambit win rate at 2000-2199?

At 2000-2199, Black wins 37.3%, draws 5.7% and loses 57.0%. Counting a draw as half a point, that is an Expected Score of 40.2%. It rests on 956 Lichess games, which average 35 moves.

What is the Englund Gambit: Mosquito Gambit win rate at 2200-2499?

At 2200-2499, Black wins 38.3%, draws 4.6% and loses 57.2%. Counting a draw as half a point, that is an Expected Score of 40.6%. It rests on 337 Lichess games, which average 36 moves.

What is the Englund Gambit: Mosquito Gambit win rate in UltraBullet?

In UltraBullet, Black wins 51.2%, draws 2.4% and loses 46.4%. Counting a draw as half a point, that is an Expected Score of 52.4%. It rests on 146 Lichess games.

What is the Englund Gambit: Mosquito Gambit win rate in Bullet?

In Bullet, Black wins 42.3%, draws 1.6% and loses 56.1%. Counting a draw as half a point, that is an Expected Score of 43.1%. It rests on 18K Lichess games.

What is the Englund Gambit: Mosquito Gambit win rate in Blitz?

In Blitz, Black wins 37.3%, draws 3.8% and loses 58.9%. Counting a draw as half a point, that is an Expected Score of 39.2%. It rests on 24K Lichess games.

What is the Englund Gambit: Mosquito Gambit win rate in Rapid?

In Rapid, Black wins 32.7%, draws 5.5% and loses 61.8%. Counting a draw as half a point, that is an Expected Score of 35.5%. It rests on 14K Lichess games.

What is the Englund Gambit: Mosquito Gambit win rate in Classical?

In Classical, Black wins 24.8%, draws 5.1% and loses 70.1%. Counting a draw as half a point, that is an Expected Score of 27.4%. It rests on 477 Lichess games.

Is the Englund Gambit: Mosquito Gambit a good opening?

The Englund Gambit: Mosquito Gambit is hard work for Black — it favours White. Across all ratings, Black wins 37.7% of its games and loses 58.8%. It performs best at 1600-1799. Your results depend on your rating, time control, and how well you know the typical plans.