Real puzzles from rated games · median rating 1136 · solved 13,006,113 times
Opening: French Defence
These mate in 2 puzzles were set in games that began as the French Defence: 6,177 puzzles, median rating 1136, solved 13,006,113 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 2 solution looks like
Sample: 2,000 mate in 2 puzzles from French Defence games (32.4% of all 6,177).
100% need 2 solver moves. Median rating: 1137 for the shortest solutions, 1137 for the longest.
52.2% open with a queen move. The first move captures in 36.2% and gives check in 99.9%; 100% end in checkmate, 28% involve a sacrifice, 67.8% have White to move.
36.2%first move captures
99.9%first move gives check
100%end in checkmate
28%involve a sacrifice
How many moves does the solver need?
2 solver moves
100% · median rating 1137
Which piece plays the key move?
Key move by a queen
52.2%
Key move by a bishop
17.4%
Key move by a knight
17.2%
Key move by a rook
12%
Key move by a pawn
1.1%
What does the solver win?
Most valuable capture: pawn
28.6%
Captures nothing along the line
28.2%
Most valuable capture: rook
17.2%
Most valuable capture: knight
15.1%
Most valuable capture: queen
6.5%
Most valuable capture: bishop
4.4%
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)
48.8%
Up to 2 pawns’ worth
27.1%
3–4 points (about a minor piece)
8.8%
5–8 points (a rook or more)
12.4%
9 or more points (a queen’s worth)
3%
How much is left on the board?
28 or more pieces on the board
13.1%
21–27 pieces
80.7%
13–20 pieces
6.2%
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: h7 (19.7%), f6 (11.6%), e8 (11.5%), f7 (10%), d8 (6.6%).
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6.6
11.5
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8
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10
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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 2 puzzles, from each difficulty level. Play each one on the board, then open the answer for the full line.
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White to move · rating 1067 · solved 3,601 times
· Mate in 2. It ends in checkmate on f7 with the queen. The solver captures 2 pieces (pawn, pawn).Reveal line
Opponent's last move: Qxg5
Solution: Qxd7+ → Kf8 → Qxf7#
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Black to move · rating 1138 · solved 4,132 times
· Mate in 2. It ends in checkmate on b2 with the queen.Reveal line
Opponent's last move: Bb1
Solution: Ba3+ → Kc2 → Qb2#
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Black to move · rating 1158 · solved 2,350 times
· Mate in 2. It ends in checkmate on h2 with the queen. It gives up the bishop (Bh2+) on the way. The solver captures a knight.Reveal line
Opponent's last move: Bf1
Solution: Bh2+ → Nxh2 → Qxh2#
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White to move · rating 1243 · solved 3,630 times
· Mate in 2. It ends in checkmate on b5 with the knight. The solver captures a pawn.Reveal line
Opponent's last move: fxg5
Solution: Qxg5+ → Kd6 → Nb5#
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White to move · rating 1348 · solved 3,357 times
· Mate in 2. It ends in checkmate on h6 with the bishop.Reveal line
Opponent's last move: Ng6
Solution: Qh7+ → Kf8 → Bh6#
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Black to move · rating 1400 · solved 2,149 times
· Mate in 2. It ends in checkmate on h3 with the bishop.Reveal line
Opponent's last move: Nge2
Solution: Nf3+ → Kf1 → Bh3#
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White to move · rating 1481 · solved 3,018 times
· Mate in 2. It ends in checkmate on h4 with the queen.Reveal line
Opponent's last move: Rd6
Solution: Ne7+ → Kh8 → Qh4#
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Black to move · rating 1633 · solved 949 times
· Mate in 2. It ends in checkmate on c2 with the bishop.Reveal line
Opponent's last move: Nf3
Solution: Qf2+ → Kd1 → Bc2#
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Black to move · rating 1648 · solved 1,022 times
· Mate in 2. It ends in checkmate on e3 with the queen. The solver captures a pawn.Reveal line
Opponent's last move: Na4
Solution: Bxf2+ → Kd2 → Qe3#
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White to move · rating 1729 · solved 758 times
· Mate in 2. It ends in checkmate on h4 with the queen. It gives up the knight (Ng6+) on the way.Reveal line
Opponent's last move: Kh8
Solution: Ng6+ → hxg6 → Qh4#
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White to move · rating 2026 · solved 75 times
· Mate in 2. It ends in checkmate on g6 with the queen.Reveal line
Opponent's last move: Kxf7
Solution: Qg7+ → Ke8 → Qg6#
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White to move · rating 2285 · solved 649 times
· Mate in 2. It ends in checkmate on g6 with the knight.Reveal line
Opponent's last move: f6
Solution: Bh7+ → Kh8 → Ng6#
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).