Real puzzles from rated games · median rating 983 · solved 17,279,282 times
Difficulty 600–1199
These are queen endgame tactics puzzles rated 600–1199, the Foundation level on this site. They come from real rated games: 23,912 puzzles, median rating 983, solved 17,279,282 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 queen endgame tactics solution looks like
Sample: 2,000 queen endgame tactics puzzles at foundation level (8.4% of all 23,912).
36% need 1 solver move, 49.2% need 2 solver moves, 11.8% need 3 solver moves, 2% need 4 solver moves, 1% need 5 or more solver moves. Median rating: 926 for the shortest solutions, 968 for the longest.
88.2% open with a queen move. The first move captures in 18.4% and gives check in 89.7%; 59.6% end in checkmate, 14% involve a sacrifice, 51.8% have White to move.
18.4%first move captures
89.7%first move gives check
59.6%end in checkmate
14%involve a sacrifice
How many moves does the solver need?
1 solver move
36% · median rating 926
2 solver moves
49.2% · median rating 987
3 solver moves
11.8% · median rating 1063
4 solver moves
2% · median rating 1133
5+ solver moves
1% · median rating 968
Which piece plays the key move?
Key move by a queen
88.2%
Key move by a pawn
11%
Key move by the king
0.9%
What does the solver win?
Most valuable capture: queen
49.4%
Captures nothing along the line
46.6%
Most valuable capture: pawn
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)
67.4%
Up to 2 pawns’ worth
8.2%
3–4 points (about a minor piece)
0.2%
5–8 points (a rook or more)
2.2%
9 or more points (a queen’s worth)
22.1%
How much is left on the board?
28 or more pieces on the board
0%
21–27 pieces
0%
13–20 pieces
28.4%
12 pieces or fewer
71.6%
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: h8 (6.4%), e8 (4.8%), d8 (4.6%), a8 (3.9%), g4 (3.8%).
3.9
3.2
3.1
4.6
4.8
3.5
2.2
6.4
8
1.6
1.2
1.1
2.2
3.4
1.3
7
1.1
1.1
2
1.1
6
1.2
1.4
1.5
2.5
3.2
2.8
1.2
5
1.2
1.4
2.2
3.2
3.8
1.5
4
1
1
2
1.8
2.3
1.9
3
1.1
1.3
1
1
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 queen endgame tactics 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 767 · solved 1,923 times
· Mate in 1. It ends in checkmate on b5 with the queen.Reveal line
Opponent's last move: h8=Q
Solution: Qb5#
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Black to move · rating 772 · solved 1,785 times
· 2 solver moves to find. The solver captures a queen.Reveal line
Opponent's last move: Qf3+
Solution: Qxf3+ → gxf3 → a3
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Black to move · rating 969 · solved 1,819 times
· Mate in 1. It ends in checkmate on f7 with the queen.Reveal line
Opponent's last move: h8=Q
Solution: Qf7#
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White to move · rating 1036 · solved 1,765 times
· Mate in 3. It ends in checkmate on b6 with the queen.Reveal line
Opponent's last move: e1=Q
Solution: b7+ → Ka7 → b8=Q+ → Kxa6 → Qb6#
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Black to move · rating 1065 · solved 2,075 times
· Mate in 1. It ends in checkmate on e2 with the queen.Reveal line
Opponent's last move: Ke1
Solution: Qe2#
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Black to move · rating 1096 · solved 1,862 times
· 2 solver moves to find. The solver captures a queen.Reveal line
Opponent's last move: Kd5
Solution: Qe5+ → Kc6 → Qxa5
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Black to move · rating 1097 · solved 2,133 times
· Mate in 1. It ends in checkmate on g6 with the queen.Reveal line
Opponent's last move: f4
Solution: Qg6#
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White to move · rating 1145 · solved 2,067 times
· Mate in 2. It ends in checkmate on e8 with the queen. The solver captures a queen.Reveal line
Opponent's last move: Kh8
Solution: Qc8+ → Qe8 → Qxe8#
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Black to move · rating 1152 · solved 1,844 times
· Mate in 1. It ends in checkmate on d7 with the queen.Reveal line
Opponent's last move: b8=Q
Solution: Qd7#
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Black to move · rating 1159 · solved 2,377 times
· 2 solver moves to find. The solver captures a queen.Reveal line
Opponent's last move: Kf3
Solution: Qh1+ → Ke2 → Qxe4
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White to move · rating 1165 · solved 2,429 times
· Mate in 1. It ends in checkmate on f7 with the queen.Reveal line
Opponent's last move: g5
Solution: Qf7#
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Black to move · rating 1191 · solved 2,588 times
· 3 solver moves to find. The solver captures a queen.Reveal line
Opponent's last move: b7
Solution: Qe2+ → Kc3 → Qc2+ → Kd4 → Qxc7
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).