Real puzzles from rated games · median rating 891 · solved 794,311,009 times
Difficulty 600–1199
These are checkmate puzzles rated 600–1199, the Foundation level on this site. They come from real rated games: 1,326,177 puzzles, median rating 891, solved 794,311,009 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 solutions at this level are built.
How the solutions work · counted by a rules engine
What a typical checkmate solution looks like
Sample: 2,000 checkmate puzzles at foundation level (0.2% of all 1,326,177).
55.4% need 1 solver move, 39% need 2 solver moves, 5.6% need 3 solver moves. Median rating: 829 for the shortest solutions, 1015 for the longest.
53.2% open with a queen move. The first move captures in 38.4% and gives check in 100%; 100% end in checkmate, 9.8% involve a sacrifice, 54% have White to move.
38.4%first move captures
100%first move gives check
100%end in checkmate
9.8%involve a sacrifice
How many moves does the solver need?
1 solver move
55.4% · median rating 829
2 solver moves
39% · median rating 918
3 solver moves
5.6% · median rating 1015
Which piece plays the key move?
Key move by a queen
53.2%
Key move by a rook
33%
Key move by a knight
7%
Key move by a bishop
4%
Key move by a pawn
2.8%
What does the solver win?
Captures nothing along the line
38.3%
Most valuable capture: rook
25.2%
Most valuable capture: pawn
22.6%
Most valuable capture: queen
6.2%
Most valuable capture: bishop
4.6%
Most valuable capture: knight
3.1%
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)
46%
Up to 2 pawns’ worth
22.8%
3–4 points (about a minor piece)
7.1%
5–8 points (a rook or more)
18.4%
9 or more points (a queen’s worth)
5.7%
How much is left on the board?
28 or more pieces on the board
6.4%
21–27 pieces
33.3%
13–20 pieces
50.4%
12 pieces or fewer
9.9%
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 (12%), e8 (11.2%), f7 (10.1%), d8 (8.9%), g7 (8.1%).
3.7
3.1
4.7
8.9
11.2
6.5
1.3
3.2
8
1.4
1
1.9
10.1
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12
7
1.1
1.4
2.5
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6
1.2
2.3
5
1.1
4
3
2
1
a
b
c
d
e
f
g
h
Counted from the same 2,000-puzzle sample. Squares under 1% are left blank.
Study positions
The most-solved checkmate 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 755 · solved 15,492 times
· Mate in 1. It ends in checkmate on h2 with the queen. The solver captures a pawn.Reveal line
Opponent's last move: Qe1
Solution: Qxh2#
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White to move · rating 827 · solved 15,487 times
· Mate in 1. It ends in checkmate on a8 with the queen.Reveal line
Opponent's last move: Kc8
Solution: Qa8#
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Black to move · rating 882 · solved 15,899 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: Nd6
Solution: Qxf2+ → Kh1 → Qf1+ → Rxf1 → Rxf1#
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White to move · rating 891 · solved 15,756 times
· Mate in 1. It ends in checkmate on g7 with the queen.Reveal line
Opponent's last move: Ng8
Solution: Qg7#
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White to move · rating 966 · solved 15,731 times
· Mate in 2. It ends in checkmate on h7 with the queen. The solver captures a knight.Reveal line
Opponent's last move: gxf5
Solution: Qh6+ → Kh8 → Qxh7#
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Black to move · rating 995 · solved 15,422 times
· Mate in 1. It ends in checkmate on g2 with the queen. The solver captures a pawn.Reveal line
Opponent's last move: Qxf4
Solution: Qxg2#
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White to move · rating 1026 · solved 16,148 times
· Mate in 1. It ends in checkmate on g7 with the queen. The solver captures a pawn.Reveal line
Opponent's last move: Kh7
Solution: Qxg7#
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Black to move · rating 1071 · solved 15,777 times
· Mate in 1. It ends in checkmate on d2 with the queen.Reveal line
Opponent's last move: Qxg1
Solution: Qd2#
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White to move · rating 1131 · solved 15,716 times
· Mate in 2. It ends in checkmate on g8 with the queen.Reveal line
Opponent's last move: g6
Solution: Rd8+ → Kh7 → Qg8#
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White to move · rating 1143 · solved 15,847 times
· Mate in 1. It ends in checkmate on b7 with the queen.Reveal line
Opponent's last move: Qxe5
Solution: Qb7#
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White to move · rating 1165 · solved 16,829 times
· Mate in 2. It ends in checkmate on b8 with the rook. The solver captures a rook.Reveal line
Opponent's last move: Rxb8
Solution: Qh6+ → Kg8 → Rxb8#
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White to move · rating 1178 · solved 17,356 times
· Mate in 3. It ends in checkmate on b6 with the queen. The solver captures a bishop.Reveal line
Opponent's last move: Bxd6
Solution: Qe3+ → Bc5 → Qxc5+ → Kb7 → Qb6#
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).