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St. George Defense: Zilbermints Gambit

15K games from Lichess · Updated January 2026

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Analyze this line move by move

Black expected score · All ratings · All speeds

44.8%

40%55%
Floor44.1%

the worst score you would still get, 90% confident. At best 45.5%.

Measured over 15K 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 3.1 · Score = win + ½ of the draws · 15K games

Rank among the families Black can choose here
not ranked — this is a variation, not a family
Games in this context
15K
Best context
49.1% at 1000-1199 Bullet
Worst context
40.6% at 1000-1199 Rapid
Average game length
31 moves
Games that end decisively
96.9%
Draws
3.1%

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: −10.3% · Breakpoint: 0-999

Time-Control Swing

Max swing: 8.8% · Classical best · Bullet 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 holds about the same all the way up, near 41.1%.

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: 31.9% expected score (4 games)
  • 0-999 rating, Bullet: 47.8% expected score (569 games)
  • 0-999 rating, Blitz: 47.0% expected score (1,143 games)
  • 0-999 rating, Rapid: 43.3% expected score (385 games)
  • 0-999 rating, Classical: 35.7% expected score (2 games)
  • 1000-1199 rating, UltraBullet: 60.6% expected score (8 games)
  • 1000-1199 rating, Bullet: 49.1% expected score (660 games)
  • 1000-1199 rating, Blitz: 46.9% expected score (1,745 games)
  • 1000-1199 rating, Rapid: 40.6% expected score (669 games)
  • 1000-1199 rating, Classical: 42.6% expected score (12 games)
  • 1200-1399 rating, UltraBullet: 50.0% expected score (6 games)
  • 1200-1399 rating, Bullet: 47.5% expected score (812 games)
  • 1200-1399 rating, Blitz: 42.9% expected score (1,778 games)
  • 1200-1399 rating, Rapid: 41.0% expected score (837 games)
  • 1200-1399 rating, Classical: 35.8% expected score (37 games)
  • 1400-1599 rating, UltraBullet: 57.9% expected score (24 games)
  • 1400-1599 rating, Bullet: 45.2% expected score (666 games)
  • 1400-1599 rating, Blitz: 45.0% expected score (1,459 games)
  • 1400-1599 rating, Rapid: 43.2% expected score (744 games)
  • 1400-1599 rating, Classical: 36.9% expected score (48 games)
  • 1600-1799 rating, UltraBullet: 45.3% expected score (9 games)
  • 1600-1799 rating, Bullet: 44.4% expected score (454 games)
  • 1600-1799 rating, Blitz: 46.7% expected score (926 games)
  • 1600-1799 rating, Rapid: 44.2% expected score (560 games)
  • 1600-1799 rating, Classical: 31.4% expected score (28 games)
  • 1800-1999 rating, UltraBullet: 21.5% expected score (2 games)
  • 1800-1999 rating, Bullet: 46.2% expected score (274 games)
  • 1800-1999 rating, Blitz: 42.2% expected score (355 games)
  • 1800-1999 rating, Rapid: 41.2% expected score (224 games)
  • 1800-1999 rating, Classical: 50.0% expected score (4 games)
  • 2000-2199 rating, UltraBullet: 16.7% expected score (3 games)
  • 2000-2199 rating, Bullet: 41.7% expected score (155 games)
  • 2000-2199 rating, Blitz: 40.4% expected score (124 games)
  • 2000-2199 rating, Rapid: 52.8% expected score (52 games)
  • 2200-2499 rating, Bullet: 39.4% expected score (88 games)
  • 2200-2499 rating, Blitz: 49.0% expected score (48 games)
  • 2200-2499 rating, Rapid: 50.0% expected score (5 games)
  • 2500+ rating, Bullet: 48.1% expected score (25 games)
  • 2500+ rating, Blitz: 31.9% expected score (4 games)

Related Openings

Parent
St. George Defense
49.7%
Variations (2)
St. George Defense: Polish Variation
49.8%
St. George Defense: San Jorge Variation
48.7%
Analyze St. George Defense: Zilbermints Gambit PositionsSee what each move is worth at your rating, move by move

Methodology

Across every rating and clock, the St. George Defense: Zilbermints Gambit scores 44.8% for Black — we are 90% confident the real figure is between 44.1% and 45.5% — from 15K 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
15K+ 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 St. George Defense: Zilbermints Gambit win rate?

Playing the St. George Defense: Zilbermints Gambit, Black wins 43.2%, draws 3.1% and loses 53.6%. Counting a draw as half a point, that is an Expected Score of 44.8%. It rests on 15K rated games from Lichess.

At what rating does the St. George Defense: Zilbermints Gambit perform best?

The St. George Defense: Zilbermints Gambit performs best for Black at 0-999, with an Expected Score of 46.5% (2.1K games) and the highest Floor of any rating with enough games to read.

Is the St. George Defense: Zilbermints Gambit better in blitz or rapid?

For Black, the St. George Defense: Zilbermints Gambit scores higher in Blitz: an Expected Score of 45.3% in Blitz (7.6K games) against 42.4% in Rapid (3.5K games).

How sharp is the St. George Defense: Zilbermints Gambit?

The St. George Defense: Zilbermints Gambit has a sharpness score of 96.9 (very decisive), meaning 96.9% of games end decisively. Average game length is 31 moves.

What is the St. George Defense: Zilbermints Gambit win rate at 0-999?

At 0-999, Black wins 45.1%, draws 2.7% and loses 52.2%. Counting a draw as half a point, that is an Expected Score of 46.5%. It rests on 2.1K Lichess games, which average 26 moves.

What is the St. George Defense: Zilbermints Gambit win rate at 1000-1199?

At 1000-1199, Black wins 44.1%, draws 3.7% and loses 52.2%. Counting a draw as half a point, that is an Expected Score of 46.0%. It rests on 3.1K Lichess games, which average 30 moves.

What is the St. George Defense: Zilbermints Gambit win rate at 1200-1399?

At 1200-1399, Black wins 41.9%, draws 3.0% and loses 55.1%. Counting a draw as half a point, that is an Expected Score of 43.4%. It rests on 3.5K Lichess games, which average 31 moves.

What is the St. George Defense: Zilbermints Gambit win rate at 1400-1599?

At 1400-1599, Black wins 43.3%, draws 2.5% and loses 54.2%. Counting a draw as half a point, that is an Expected Score of 44.6%. It rests on 2.9K Lichess games, which average 32 moves.

What is the St. George Defense: Zilbermints Gambit win rate at 1600-1799?

At 1600-1799, Black wins 43.5%, draws 3.4% and loses 53.1%. Counting a draw as half a point, that is an Expected Score of 45.2%. It rests on 2.0K Lichess games, which average 33 moves.

What is the St. George Defense: Zilbermints Gambit win rate at 1800-1999?

At 1800-1999, Black wins 41.2%, draws 3.8% and loses 55.0%. Counting a draw as half a point, that is an Expected Score of 43.1%. It rests on 859 Lichess games, which average 34 moves.

What is the St. George Defense: Zilbermints Gambit win rate at 2000-2199?

At 2000-2199, Black wins 40.7%, draws 3.7% and loses 55.6%. Counting a draw as half a point, that is an Expected Score of 42.6%. It rests on 334 Lichess games, which average 34 moves.

What is the St. George Defense: Zilbermints Gambit win rate at 2200-2499?

At 2200-2499, Black wins 39.6%, draws 6.7% and loses 53.7%. Counting a draw as half a point, that is an Expected Score of 43.0%. It rests on 141 Lichess games, which average 36 moves.

What is the St. George Defense: Zilbermints Gambit win rate in Bullet?

In Bullet, Black wins 45.6%, draws 1.7% and loses 52.7%. Counting a draw as half a point, that is an Expected Score of 46.5%. It rests on 3.7K Lichess games.

What is the St. George Defense: Zilbermints Gambit win rate in Blitz?

In Blitz, Black wins 43.4%, draws 3.7% and loses 52.9%. Counting a draw as half a point, that is an Expected Score of 45.3%. It rests on 7.6K Lichess games.

What is the St. George Defense: Zilbermints Gambit win rate in Rapid?

In Rapid, Black wins 40.6%, draws 3.5% and loses 55.9%. Counting a draw as half a point, that is an Expected Score of 42.4%. It rests on 3.5K Lichess games.

What is the St. George Defense: Zilbermints Gambit win rate in Classical?

In Classical, Black wins 32.8%, draws 5.7% and loses 61.5%. Counting a draw as half a point, that is an Expected Score of 35.7%. It rests on 131 Lichess games.

Is the St. George Defense: Zilbermints Gambit a good opening?

The St. George Defense: Zilbermints Gambit is hard work for Black — it favours White. Across all ratings, Black wins 43.2% of its games and loses 53.6%. It performs best at 0-999. Your results depend on your rating, time control, and how well you know the typical plans.