Real puzzles from rated games · median rating 1775 · solved 223,645,514 times
Difficulty 1600–1999
These are kingside attack puzzles rated 1600–1999, the Challenging level on this site. They come from real rated games: 81,315 puzzles, median rating 1775, solved 223,645,514 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 challenging level (2.5% of all 81,315).
1.4% need 1 solver move, 45.6% need 2 solver moves, 42.1% need 3 solver moves, 9.6% need 4 solver moves, 1.4% need 5 or more solver moves. Median rating: 1668 for the shortest solutions, 1806 for the longest.
34.2% open with a queen move. The first move captures in 58.4% and gives check in 76.2%; 33.6% end in checkmate, 53.9% involve a sacrifice, 56.2% have White to move.
58.4%first move captures
76.2%first move gives check
33.6%end in checkmate
53.9%involve a sacrifice
How many moves does the solver need?
1 solver move
1.4% · median rating 1668
2 solver moves
45.6% · median rating 1751
3 solver moves
42.1% · median rating 1801
4 solver moves
9.6% · median rating 1792
5+ solver moves
1.4% · median rating 1806
Which piece plays the key move?
Key move by a queen
34.2%
Key move by a knight
23.6%
Key move by a rook
22.8%
Key move by a bishop
15.2%
Key move by a pawn
4.1%
What does the solver win?
Most valuable capture: queen
29.4%
Most valuable capture: pawn
26.4%
Most valuable capture: rook
19.2%
Most valuable capture: bishop
10.1%
Most valuable capture: knight
7.5%
Captures nothing along the line
7.4%
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)
35.5%
Up to 2 pawns’ worth
21%
3–4 points (about a minor piece)
19.7%
5–8 points (a rook or more)
17.7%
9 or more points (a queen’s worth)
6.1%
How much is left on the board?
28 or more pieces on the board
7.8%
21–27 pieces
76%
13–20 pieces
16.2%
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 (13%), f6 (12.2%), f7 (9.7%), g6 (9.2%), h6 (7%).
1.3
4.7
3.7
1.3
4.5
8
3.8
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6.7
13
7
3.8
12.2
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7
6
3.3
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1
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4
3
2
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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 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 1600 · solved 3,003 times
· Mate in 2. It ends in checkmate on h1 with the rook. It gives up the rook (Rh1+) on the way. The solver captures a bishop.Reveal line
Opponent's last move: e5
Solution: Rh1+ → Bxh1 → Rxh1#
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Black to move · rating 1604 · solved 2,316 times
· Mate in 3. It ends in checkmate on g1 with the queen. The solver captures 2 pieces (pawn, knight).Reveal line
Opponent's last move: Be7
Solution: Qxf2+ → Kh1 → Qf1+ → Ng1 → Qxg1#
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White to move · rating 1625 · solved 2,984 times
· Mate in 2. It ends in checkmate on h3 with the rook. It gives up the queen (Qxh7+) on the way. The solver captures a pawn.Reveal line
Opponent's last move: Nd7
Solution: Qxh7+ → Kxh7 → Rh3#
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White to move · rating 1628 · solved 2,443 times
· Mate in 3. It ends in checkmate on h5 with the queen. It gives up the rook (Rxh7+) on the way. The solver captures a pawn.Reveal line
Opponent's last move: Ne5
Solution: Ne7+ → Kh8 → Rxh7+ → Kxh7 → Qh5#
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White to move · rating 1638 · solved 2,389 times
· Mate in 2. It ends in checkmate on h4 with the rook. It gives up the queen (Qxh7+) on the way. The solver captures a pawn.Reveal line
Opponent's last move: Ne6
Solution: Qxh7+ → Kxh7 → Rh4#
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Black to move · rating 1667 · solved 2,314 times
· Mate in 3. It ends in checkmate on h4 with the queen. It gives up the rook (Rxh2+) on the way. The solver captures a pawn.Reveal line
Opponent's last move: a3
Solution: Ne2+ → Kh1 → Rxh2+ → Kxh2 → Qh4#
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White to move · rating 1671 · solved 2,154 times
· 4 solver moves to find. It gives up the bishop (Bxh7+) and the knight (Ng5) on the way. The solver captures 2 pieces (pawn, queen).Reveal line
Black to move · rating 1674 · solved 2,479 times
· Mate in 4. It ends in checkmate on f1 with the rook. It gives up the knight (Nxf2+) on the way. The solver captures 2 pieces (pawn, rook).Reveal line
White to move · rating 1797 · solved 2,175 times
· Mate in 2. It ends in checkmate on h7 with the rook. The solver captures a pawn.Reveal line
Opponent's last move: Qf3
Solution: Nf6+ → Kh8 → Rxh7#
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White to move · rating 1823 · solved 4,651 times
· Mate in 5. It ends in checkmate on f8 with the queen. The solver captures 3 pieces (bishop, pawn, rook).Reveal line
White to move · rating 1841 · solved 2,800 times
· Mate in 4. It ends in checkmate on h4 with the rook. It gives up the queen (Qxh7+) on the way. The solver captures 2 pieces (pawn, queen).Reveal line
Black to move · rating 1893 · solved 2,746 times
· Mate in 3. It ends in checkmate on h5 with the rook. It gives up the queen (Qxh2+) on the way. The solver captures 2 pieces (pawn, queen).Reveal line
Opponent's last move: Rce1
Solution: Qxh2+ → Kxh2 → Rh8+ → Qh5 → Rxh5#
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).