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Zukertort Opening: Speelsmet Gambit

141K games from Lichess · Updated January 2026

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Analyze this line move by move

White expected score · All ratings · All speeds

47.8%

40%55%
Floor47.6%

the worst score you would still get, 90% confident. At best 48.0%.

Measured over 141K games at this level and clock.

Tough Sellloses more often than it wins at this level

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

Outcomes for White

Draw 3.6 · Score = win + ½ of the draws · 141K games

Rank among the families White can choose here
not ranked — this is a variation, not a family
Games in this context
141K
Best context
52.1% at 2200-2499 UltraBullet
Worst context
44.7% at 1600-1799 Rapid
Average game length
35 moves
Games that end decisively
96.4%
Draws
3.6%

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 BreakpointWhite

Peak: −0.4% · Breakpoint: 0-999

Where it holds · White score by rating × clock

Green is clearly ahead for White, grey is around even, red is behind. Tap a cell to measure there, and again to clear. It gets better as the rating rises: 42.1% at 0-999, 54.8% 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: 35.7% expected score (23 games)
  • 0-999 rating, Bullet: 49.9% expected score (684 games)
  • 0-999 rating, Blitz: 42.3% expected score (413 games)
  • 0-999 rating, Rapid: 52.7% expected score (72 games)
  • 0-999 rating, Classical: 30.0% expected score (1 games)
  • 1000-1199 rating, UltraBullet: 36.5% expected score (135 games)
  • 1000-1199 rating, Bullet: 48.2% expected score (1,488 games)
  • 1000-1199 rating, Blitz: 46.1% expected score (834 games)
  • 1000-1199 rating, Rapid: 45.5% expected score (121 games)
  • 1200-1399 rating, UltraBullet: 45.7% expected score (667 games)
  • 1200-1399 rating, Bullet: 47.1% expected score (3,724 games)
  • 1200-1399 rating, Blitz: 47.3% expected score (1,679 games)
  • 1200-1399 rating, Rapid: 47.7% expected score (299 games)
  • 1200-1399 rating, Classical: 44.0% expected score (15 games)
  • 1400-1599 rating, UltraBullet: 49.2% expected score (1,592 games)
  • 1400-1599 rating, Bullet: 45.6% expected score (6,707 games)
  • 1400-1599 rating, Blitz: 44.9% expected score (3,180 games)
  • 1400-1599 rating, Rapid: 44.4% expected score (469 games)
  • 1400-1599 rating, Classical: 50.0% expected score (22 games)
  • 1600-1799 rating, UltraBullet: 47.3% expected score (5,044 games)
  • 1600-1799 rating, Bullet: 46.8% expected score (12,205 games)
  • 1600-1799 rating, Blitz: 45.3% expected score (4,287 games)
  • 1600-1799 rating, Rapid: 44.7% expected score (501 games)
  • 1600-1799 rating, Classical: 50.0% expected score (12 games)
  • 1800-1999 rating, UltraBullet: 48.0% expected score (5,053 games)
  • 1800-1999 rating, Bullet: 46.9% expected score (17,659 games)
  • 1800-1999 rating, Blitz: 46.0% expected score (4,285 games)
  • 1800-1999 rating, Rapid: 44.5% expected score (381 games)
  • 1800-1999 rating, Classical: 27.0% expected score (5 games)
  • 2000-2199 rating, UltraBullet: 49.8% expected score (3,738 games)
  • 2000-2199 rating, Bullet: 48.1% expected score (21,969 games)
  • 2000-2199 rating, Blitz: 49.0% expected score (2,609 games)
  • 2000-2199 rating, Rapid: 34.2% expected score (188 games)
  • 2000-2199 rating, Classical: 30.0% expected score (1 games)
  • 2200-2499 rating, UltraBullet: 52.1% expected score (3,206 games)
  • 2200-2499 rating, Bullet: 48.8% expected score (28,060 games)
  • 2200-2499 rating, Blitz: 47.5% expected score (769 games)
  • 2200-2499 rating, Rapid: 57.8% expected score (24 games)
  • 2500+ rating, UltraBullet: 57.9% expected score (100 games)
  • 2500+ rating, Bullet: 50.6% expected score (8,979 games)
  • 2500+ rating, Blitz: 55.8% expected score (42 games)

Related Openings

Parent
Zukertort Opening
49.5%
Variations (5)
Zukertort Opening: Tennison Gambit
48.2%
Zukertort Opening: Queen's Gambit Invitation
51.7%
Zukertort Opening: Sicilian Invitation
49.9%
Zukertort Opening: Kingside Fianchetto
49.3%
Zukertort Opening: Slav Invitation
50.4%
Analyze Zukertort Opening: Speelsmet Gambit PositionsSee what each move is worth at your rating, move by move

Methodology

Across every rating and clock, the Zukertort Opening: Speelsmet Gambit scores 47.8% for White — we are 90% confident the real figure is between 47.6% and 48.0% — from 141K 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
141K+ 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 Zukertort Opening: Speelsmet Gambit win rate?

Playing the Zukertort Opening: Speelsmet Gambit, White wins 46.0%, draws 3.6% and loses 50.4%. Counting a draw as half a point, that is an Expected Score of 47.8%. It rests on 141K rated games from Lichess.

At what rating does the Zukertort Opening: Speelsmet Gambit perform best?

The Zukertort Opening: Speelsmet Gambit performs best for White at 2500+, with an Expected Score of 50.7% (9.1K games) and the highest Floor of any rating with enough games to read.

Is the Zukertort Opening: Speelsmet Gambit better in blitz or rapid?

For White, the Zukertort Opening: Speelsmet Gambit scores higher in Blitz: an Expected Score of 46.2% in Blitz (18K games) against 44.5% in Rapid (2.1K games).

How sharp is the Zukertort Opening: Speelsmet Gambit?

The Zukertort Opening: Speelsmet Gambit has a sharpness score of 96.4 (very decisive), meaning 96.4% of games end decisively. Average game length is 35 moves.

What is the Zukertort Opening: Speelsmet Gambit win rate at 0-999?

At 0-999, White wins 46.3%, draws 1.7% and loses 52.0%. Counting a draw as half a point, that is an Expected Score of 47.2%. It rests on 1.2K Lichess games, which average 25 moves.

What is the Zukertort Opening: Speelsmet Gambit win rate at 1000-1199?

At 1000-1199, White wins 45.7%, draws 2.2% and loses 52.1%. Counting a draw as half a point, that is an Expected Score of 46.8%. It rests on 2.6K Lichess games, which average 27 moves.

What is the Zukertort Opening: Speelsmet Gambit win rate at 1200-1399?

At 1200-1399, White wins 46.1%, draws 1.9% and loses 52.0%. Counting a draw as half a point, that is an Expected Score of 47.1%. It rests on 6.4K Lichess games, which average 28 moves.

What is the Zukertort Opening: Speelsmet Gambit win rate at 1400-1599?

At 1400-1599, White wins 44.8%, draws 2.2% and loses 53.1%. Counting a draw as half a point, that is an Expected Score of 45.9%. It rests on 12K Lichess games, which average 30 moves.

What is the Zukertort Opening: Speelsmet Gambit win rate at 1600-1799?

At 1600-1799, White wins 45.3%, draws 2.5% and loses 52.2%. Counting a draw as half a point, that is an Expected Score of 46.6%. It rests on 22K Lichess games, which average 33 moves.

What is the Zukertort Opening: Speelsmet Gambit win rate at 1800-1999?

At 1800-1999, White wins 45.3%, draws 3.2% and loses 51.5%. Counting a draw as half a point, that is an Expected Score of 46.9%. It rests on 27K Lichess games, which average 35 moves.

What is the Zukertort Opening: Speelsmet Gambit win rate at 2000-2199?

At 2000-2199, White wins 46.3%, draws 4.0% and loses 49.7%. Counting a draw as half a point, that is an Expected Score of 48.3%. It rests on 29K Lichess games, which average 37 moves.

What is the Zukertort Opening: Speelsmet Gambit win rate at 2200-2499?

At 2200-2499, White wins 46.8%, draws 4.6% and loses 48.6%. Counting a draw as half a point, that is an Expected Score of 49.1%. It rests on 32K Lichess games, which average 39 moves.

What is the Zukertort Opening: Speelsmet Gambit win rate at 2500+?

At 2500+, White wins 47.3%, draws 6.8% and loses 45.9%. Counting a draw as half a point, that is an Expected Score of 50.7%. It rests on 9.1K Lichess games, which average 43 moves.

What is the Zukertort Opening: Speelsmet Gambit win rate in UltraBullet?

In UltraBullet, White wins 47.3%, draws 3.0% and loses 49.7%. Counting a draw as half a point, that is an Expected Score of 48.8%. It rests on 20K Lichess games.

What is the Zukertort Opening: Speelsmet Gambit win rate in Bullet?

In Bullet, White wins 46.1%, draws 3.8% and loses 50.2%. Counting a draw as half a point, that is an Expected Score of 48.0%. It rests on 101K Lichess games.

What is the Zukertort Opening: Speelsmet Gambit win rate in Blitz?

In Blitz, White wins 44.4%, draws 3.6% and loses 52.0%. Counting a draw as half a point, that is an Expected Score of 46.2%. It rests on 18K Lichess games.

What is the Zukertort Opening: Speelsmet Gambit win rate in Rapid?

In Rapid, White wins 42.7%, draws 3.7% and loses 53.7%. Counting a draw as half a point, that is an Expected Score of 44.5%. It rests on 2.1K Lichess games.

Is the Zukertort Opening: Speelsmet Gambit a good opening?

The Zukertort Opening: Speelsmet Gambit is hard work for White — it favours Black. Across all ratings, White wins 46.0% of its games and loses 50.4%. It performs best at 2500+. Your results depend on your rating, time control, and how well you know the typical plans.