Real puzzles from rated games · median rating 1407 · solved 9,136,034 times
Opening: Sicilian Defence
These mate in 3 puzzles were set in games that began as the Sicilian Defence: 2,450 puzzles, median rating 1407, solved 9,136,034 times. The twelve below are among the most-solved of them; try each on the board, then read the numbers further down to see how the solutions are built.
How the solutions work · counted by a rules engine
What a typical mate in 3 solution looks like
Sample: 2,000 mate in 3 puzzles from Sicilian Defence games (81.6% of all 2,450).
100% need 3 solver moves. Median rating: 1407 for the shortest solutions, 1407 for the longest.
52.3% open with a queen move. The first move captures in 42.4% and gives check in 97.4%; 100% end in checkmate, 65.4% involve a sacrifice, 61.3% have White to move.
42.4%first move captures
97.4%first move gives check
100%end in checkmate
65.4%involve a sacrifice
How many moves does the solver need?
3 solver moves
100% · median rating 1407
Which piece plays the key move?
Key move by a queen
52.3%
Key move by a knight
20%
Key move by a bishop
13.2%
Key move by a rook
12.1%
Key move by a pawn
2.2%
What does the solver win?
Most valuable capture: rook
30.2%
Most valuable capture: pawn
18.8%
Captures nothing along the line
14.4%
Most valuable capture: bishop
14.4%
Most valuable capture: queen
13.2%
Most valuable capture: knight
9%
Material balance along the whole line, counting every capture by both sides (pawn 1, minor piece 3, rook 5, queen 9):
No material gained (mating or positional)
58%
Up to 2 pawns’ worth
17.6%
3–4 points (about a minor piece)
12.7%
5–8 points (a rook or more)
8.6%
9 or more points (a queen’s worth)
3%
How much is left on the board?
28 or more pieces on the board
9.2%
21–27 pieces
77.3%
13–20 pieces
13.6%
12 pieces or fewer
0%
How it is counted: every puzzle in the sample is replayed move by move with a chess rules engine. A sacrifice means a piece that is captured on the very next ply and was worth more than what it captured itself (pawn 1, minor piece 3, rook 5, queen 9). Sample of 2,000 puzzles. Percentages are shares of the sample.
Where it happens
Where the key move lands
Where the solver’s first move ends, drawn from their own side (rank 1 is their back rank). Busiest squares: f7 (22.8%), h6 (6.9%), g6 (6.3%), h7 (6.2%), e7 (4.7%).
1.6
4.2
2.9
1.8
3.7
8
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4
4.7
22.8
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7
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6
1.3
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1.6
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a
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f
g
h
Counted from the same 2,000-puzzle sample. Squares under 1% are left blank.
Study positions
The most-solved mate in 3 puzzles, from each difficulty level. Play each one on the board, then open the answer for the full line.
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Black to move · rating 1026 · solved 1,143 times
· Mate in 3. It ends in checkmate on d1 with the queen. The solver captures a knight.Reveal line
Opponent's last move: Kc1
Solution: Qe3+ → Kb1 → Qe1+ → Nd1 → Qxd1#
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White to move · rating 1149 · solved 1,108 times
· Mate in 3. It ends in checkmate on f8 with the rook. It gives up the queen (Qf8+) on the way. The solver captures a queen.Reveal line
Opponent's last move: Bxd2
Solution: Qf7+ → Kh8 → Qf8+ → Qxf8 → Rxf8#
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Black to move · rating 1184 · solved 1,378 times
· Mate in 3. It ends in checkmate on c1 with the rook. It gives up the queen (Qc1+) on the way. The solver captures 2 pieces (pawn, rook).Reveal line
Opponent's last move: Qxd4
Solution: Qxc2+ → Ka1 → Qc1+ → Rxc1 → Rxc1#
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White to move · rating 1312 · solved 965 times
· Mate in 3. It ends in checkmate on f7 with the knight.Reveal line
Opponent's last move: Kxf6
Solution: Ng4+ → Kg7 → Bh6+ → Kh8 → Nf7#
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Black to move · rating 1316 · solved 3,123 times
· Mate in 3. It ends in checkmate on c4 with the bishop. The solver captures a pawn.Reveal line
Opponent's last move: Na4
Solution: Bf2+ → Ke2 → Ba6+ → c4 → Bxc4#
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White to move · rating 1491 · solved 1,433 times
· Mate in 3. It ends in checkmate on f7 with the knight. It gives up the queen (Qg8+) on the way.Reveal line
Opponent's last move: Kg8
Solution: Nh6+ → Kh8 → Qg8+ → Rxg8 → Nf7#
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White to move · rating 1527 · solved 1,060 times
· Mate in 3. It ends in checkmate on h1 with the rook. It gives up the rook (Rxh7+) on the way. The solver captures a pawn.Reveal line
Opponent's last move: fxe3
Solution: Ne7+ → Kh8 → Rxh7+ → Kxh7 → Rh1#
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Black to move · rating 1762 · solved 929 times
· Mate in 3. It ends in checkmate on f1 with the rook. It gives up the queen (Qf1+) on the way. The solver captures 2 pieces (pawn, rook).Reveal line
Opponent's last move: Nxd5
Solution: Qxf2+ → Kh1 → Qf1+ → Rxf1 → Rxf1#
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Black to move · rating 1802 · solved 897 times
· Mate in 3. It ends in checkmate on d1 with the rook. It gives up the queen (Qd1+) on the way. The solver captures a rook.Reveal line
Opponent's last move: Kc1
Solution: Qd2+ → Kb1 → Qd1+ → Rxd1 → Rxd1#
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White to move · rating 1875 · solved 738 times
· Mate in 3. It ends in checkmate on h6 with the queen. The solver captures a bishop.Reveal line
Opponent's last move: Kxh7
Solution: Ng5+ → Kh8 → Qh1+ → Bh6 → Qxh6#
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White to move · rating 2011 · solved 763 times
· Mate in 3. It ends in checkmate on h7 with the queen. The solver captures a knight.Reveal line
Opponent's last move: Nxg6
Solution: Qh3+ → Nh4 → Qxh4+ → Kg8 → Qh7#
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White to move · rating 2014 · solved 342 times
· Mate in 3. It ends in checkmate on f6 with the queen. The solver captures a bishop.Reveal line
Opponent's last move: Kh8
Solution: Bxg7+ → Kxg7 → Qh6+ → Kh8 → Qf6#
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).