Real puzzles from rated games · median rating 898 · solved 176,533,112 times
Difficulty 600–1199
These are kingside attack puzzles rated 600–1199, the Foundation level on this site. They come from real rated games: 271,173 puzzles, median rating 898, solved 176,533,112 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 kingside attack solution looks like
Sample: 2,000 kingside attack puzzles at foundation level (0.7% of all 271,173).
51.2% need 1 solver move, 43.3% need 2 solver moves, 5.2% need 3 solver moves. Median rating: 760 for the shortest solutions, 1071 for the longest.
66.5% open with a queen move. The first move captures in 76.8% and gives check in 98.8%; 84.5% end in checkmate, 18.6% involve a sacrifice, 52.7% have White to move.
76.8%first move captures
98.8%first move gives check
84.5%end in checkmate
18.6%involve a sacrifice
How many moves does the solver need?
1 solver move
51.2% · median rating 760
2 solver moves
43.3% · median rating 974
3 solver moves
5.2% · median rating 1071
Which piece plays the key move?
Key move by a queen
66.5%
Key move by a rook
15.8%
Key move by a knight
10.4%
Key move by a bishop
6.8%
What does the solver win?
Most valuable capture: pawn
49.6%
Most valuable capture: rook
21.2%
Most valuable capture: queen
11.5%
Captures nothing along the line
7.4%
Most valuable capture: knight
5.2%
Most valuable capture: bishop
5.1%
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)
16.2%
Up to 2 pawns’ worth
50.1%
3–4 points (about a minor piece)
10.8%
5–8 points (a rook or more)
17.4%
9 or more points (a queen’s worth)
5.4%
How much is left on the board?
28 or more pieces on the board
10.2%
21–27 pieces
75.8%
13–20 pieces
14%
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 (29.3%), g7 (20.1%), e8 (11.9%), f6 (7.7%), f8 (5.3%).
3.7
11.9
5.3
8
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5.2
20.1
29.3
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7.7
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1
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2
1
a
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d
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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 kingside attack 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 920 · solved 8,046 times
· Mate in 1. It ends in checkmate on h7 with the queen. The solver captures a pawn.Reveal line
Opponent's last move: fxg6
Solution: Qxh7#
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Black to move · rating 934 · solved 10,895 times
· Mate in 1. It ends in checkmate on h2 with the queen. The solver captures a pawn.Reveal line
Opponent's last move: g3
Solution: Qxh2#
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White to move · rating 961 · solved 15,589 times
· 2 solver moves to find. It gives up the knight (Nf6+) on the way. The solver captures a queen.Reveal line
Opponent's last move: O-O
Solution: Nf6+ → Qxf6 → exf6
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Black to move · rating 973 · solved 8,941 times
· Mate in 1. It ends in checkmate on g2 with the queen. The solver captures a pawn.Reveal line
Opponent's last move: Qe3
Solution: Qxg2#
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White to move · rating 982 · solved 4,375 times
· Mate in 1. It ends in checkmate on h7 with the queen. The solver captures a pawn.Reveal line
Opponent's last move: Nc6
Solution: Qxh7#
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White to move · rating 986 · solved 4,385 times
· 2 solver moves to find. It gives up the bishop (Bd5+) on the way. The solver captures a queen.Reveal line
Opponent's last move: Bd3
Solution: Bd5+ → Qxd5 → Qxd5+
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White to move · rating 1072 · solved 10,014 times
· Mate in 2. It ends in checkmate on h7 with the queen. It gives up the knight (Nf6+) on the way.Reveal line
Opponent's last move: Nf5
Solution: Nf6+ → Bxf6 → Qh7#
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Black to move · rating 1082 · solved 4,681 times
· Mate in 2. It ends in checkmate on f1 with the queen. The solver captures a queen.Reveal line
Opponent's last move: Rc2
Solution: Qe1+ → Qf1 → Qxf1#
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Black to move · rating 1101 · solved 5,086 times
· Mate in 3. It ends in checkmate on f3 with the bishop. The solver captures a pawn.Reveal line
Opponent's last move: Qxc7
Solution: Qg5+ → Kh1 → Be4+ → f3 → Bxf3#
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Black to move · rating 1121 · solved 13,071 times
· 2 solver moves to find. The solver captures a knight.Reveal line
Opponent's last move: Rg1
Solution: Qh4+ → Nh3 → Qxh3+
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White to move · rating 1128 · solved 10,303 times
· 2 solver moves to find. It gives up the knight (Nf7+) on the way. The solver captures a rook.Reveal line
Opponent's last move: Kh8
Solution: Nf7+ → Rxf7 → Qxf7
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).