Real puzzles from rated games · median rating 2233 · solved 17,290,256 times
Difficulty 2000+
These are queenside attack puzzles rated 2000+, the Advanced level on this site. They come from real rated games: 12,574 puzzles, median rating 2233, solved 17,290,256 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 queenside attack solution looks like
Sample: 2,000 queenside attack puzzles at advanced level (15.9% of all 12,574).
21.7% need 2 solver moves, 44.4% need 3 solver moves, 22% need 4 solver moves, 11.8% need 5 or more solver moves. Median rating: 2152 for the shortest solutions, 2436 for the longest.
31.2% open with a queen move. The first move captures in 51.4% and gives check in 65.3%; 11.4% end in checkmate, 47.8% involve a sacrifice, 47.7% have White to move.
51.4%first move captures
65.3%first move gives check
11.4%end in checkmate
47.8%involve a sacrifice
How many moves does the solver need?
2 solver moves
21.7% · median rating 2152
3 solver moves
44.4% · median rating 2226
4 solver moves
22% · median rating 2291
5+ solver moves
11.8% · median rating 2436
Which piece plays the key move?
Key move by a queen
31.2%
Key move by a rook
28.7%
Key move by a knight
16.4%
Key move by a bishop
15.4%
Key move by a pawn
7.8%
Key move by the king
0.5%
What does the solver win?
Most valuable capture: queen
28.9%
Most valuable capture: pawn
27.4%
Most valuable capture: rook
21%
Most valuable capture: knight
8.5%
Most valuable capture: bishop
8.5%
Captures nothing along the line
5.6%
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)
33.4%
Up to 2 pawns’ worth
24.5%
3–4 points (about a minor piece)
17.6%
5–8 points (a rook or more)
19.6%
9 or more points (a queen’s worth)
4.8%
How much is left on the board?
28 or more pieces on the board
2%
21–27 pieces
60%
13–20 pieces
38%
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: c6 (11.1%), b7 (10%), a8 (7.7%), c7 (7.1%), a7 (6.9%).
7.7
1.9
1.5
3
2.6
8
6.9
10
7.1
3.4
1.3
7
6.7
6.4
11.1
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2.8
6
1.6
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2.6
2
2.5
1
5
1.4
1.1
4
3
2
1
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 queenside attack 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 2007 · solved 548 times
· Mate in 3. It ends in checkmate on d5 with the queen. The solver captures a knight.Reveal line
Opponent's last move: Nc7
Solution: Rb1+ → Ka8 → Qe4+ → Nd5 → Qxd5#
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White to move · rating 2009 · solved 493 times
· Mate in 3. It ends in checkmate on b5 with the queen. It gives up the knight (Nc5+) on the way.Reveal line
Opponent's last move: Nf5
Solution: Rd8+ → Kb7 → Nc5+ → bxc5 → Qb5#
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Black to move · rating 2014 · solved 531 times
· Mate in 2. It ends in checkmate on e3 with the queen.Reveal line
Opponent's last move: Kc1
Solution: Ra1+ → Kd2 → Qe3#
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White to move · rating 2016 · solved 1,292 times
· Mate in 3. It ends in checkmate on a3 with the rook. It gives up the queen (Qxa7+) on the way. The solver captures a pawn.Reveal line
Opponent's last move: Rc8
Solution: Nd7+ → Ka8 → Qxa7+ → Kxa7 → Ra3#
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Black to move · rating 2022 · solved 568 times
· 4 solver moves to find. The solver captures 3 pieces (knight, queen, rook).Reveal line
White to move · rating 2079 · solved 536 times
· 2 solver moves to find. It gives up the queen (Qxd8+) on the way. The solver captures 2 pieces (rook, queen).Reveal line
Opponent's last move: hxg3
Solution: Qxd8+ → Qxd8 → Nxd8
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Black to move · rating 2109 · solved 535 times
· 3 solver moves to find. The solver captures 2 pieces (pawn, rook).Reveal line
Opponent's last move: Rd1
Solution: Qa1+ → Kd2 → dxc2+ → Kxc2 → Qxd1+
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White to move · rating 2120 · solved 732 times
· 4 solver moves to find. The solver captures 2 pieces (pawn, queen).Reveal line
White to move · rating 2130 · solved 517 times
· Mate in 2. It ends in checkmate on c7 with the knight. It gives up the queen (Qxa7+) on the way. The solver captures a pawn.Reveal line
Opponent's last move: Qb6
Solution: Qxa7+ → Qxa7 → Nc7#
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White to move · rating 2145 · solved 508 times
· Mate in 4. It ends in checkmate on a7 with the rook. It gives up the rook (Rxa7+) on the way. The solver captures 2 pieces (pawn, rook).Reveal line
Black to move · rating 2178 · solved 545 times
· Mate in 3. It ends in checkmate on b6 with the queen. It gives up the knight (Nc3+) on the way.Reveal line
Opponent's last move: Kc1
Solution: Be3+ → Kb1 → Nc3+ → bxc3 → Qb6#
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Black to move · rating 2336 · solved 641 times
· Mate in 5. It ends in checkmate on f2 with the queen. The solver captures 3 pieces (bishop, knight, pawn).Reveal line