Real puzzles from rated games · median rating 1334 · solved 99,160,462 times
Opening: Sicilian Defence
These opening tactics puzzles were set in games that began as the Sicilian Defence: 41,477 puzzles, median rating 1334, solved 99,160,462 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 the solutions are built.
How the solutions work · counted by a rules engine
What a typical opening tactics solution looks like
Sample: 2,000 opening tactics puzzles from Sicilian Defence games (4.8% of all 41,477).
26.3% need 1 solver move, 52.7% need 2 solver moves, 17.8% need 3 solver moves, 2.5% need 4 solver moves, 0.6% need 5 or more solver moves. Median rating: 874 for the shortest solutions, 2148 for the longest.
39.5% open with a queen move. The first move captures in 55.2% and gives check in 59.6%; 31.9% end in checkmate, 17% involve a sacrifice, 56.8% have White to move.
55.2%first move captures
59.6%first move gives check
31.9%end in checkmate
17%involve a sacrifice
How many moves does the solver need?
1 solver move
26.3% · median rating 874
2 solver moves
52.7% · median rating 1402
3 solver moves
17.8% · median rating 1747
4 solver moves
2.5% · median rating 2086
5+ solver moves
0.6% · median rating 2148
Which piece plays the key move?
Key move by a queen
39.5%
Key move by a knight
26.8%
Key move by a bishop
22.4%
Key move by a pawn
6.6%
Key move by a rook
3.6%
Key move by the king
1.2%
What does the solver win?
Most valuable capture: queen
28.2%
Most valuable capture: knight
19.6%
Most valuable capture: pawn
17.8%
Captures nothing along the line
14.4%
Most valuable capture: bishop
14.1%
Most valuable capture: rook
5.9%
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)
21.4%
Up to 2 pawns’ worth
21.3%
3–4 points (about a minor piece)
33.2%
5–8 points (a rook or more)
16%
9 or more points (a queen’s worth)
8%
How much is left on the board?
28 or more pieces on the board
52.6%
21–27 pieces
47.4%
13–20 pieces
0%
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: f7 (11.3%), h7 (8.3%), f6 (7.3%), d5 (5.5%), a4 (5.2%).
2.5
8
2.3
1.6
2.3
11.3
2.2
8.3
7
1.2
4.8
4.1
2
7.3
1.5
6
3.8
1
5.5
3.3
2
2.9
5
5.2
1.3
1.8
2.5
2.1
1
1.8
4
1.3
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 opening tactics puzzles, from each difficulty level. Play each one on the board, then open the answer for the full line.
♜
♝
♛
♚
♝
♜
♟
♟
♟
♞
♟
♟
♟
♞
♟
♙
♗
♘
♘
♙
♗
♙
♙
♙
♖
♕
♔
♖
White to move · rating 785 · solved 2,342 times
· Mate in 1. It ends in checkmate on d6 with the knight.Reveal line
Opponent's last move: Nge7
Solution: Nd6#
♜
♝
♜
♚
♟
♛
♝
♟
♟
♟
♟
♞
♟
♟
♙
♘
♙
♙
♙
♕
♙
♙
♙
♖
♘
♗
♖
♔
White to move · rating 820 · solved 2,359 times
· 2 solver moves to find. It gives up the queen (Qxe7) on the way. The solver captures 2 pieces (bishop, queen).Reveal line
Opponent's last move: O-O
Solution: Qxe7 → Qxe7 → Rxe7
♜
♝
♜
♚
♟
♟
♟
♝
♟
♛
♟
♗
♞
♘
♙
♙
♙
♙
♙
♖
♗
♕
♖
♔
White to move · rating 1040 · solved 2,355 times
· 2 solver moves to find. It gives up the bishop (Bxf7+) on the way. The solver captures 2 pieces (pawn, queen).Reveal line
Opponent's last move: Nb4
Solution: Bxf7+ → Rxf7 → Qxd6
♛
♚
♜
♞
♜
♞
♟
♝
♟
♟
♝
♟
♟
♟
♘
♘
♙
♙
♙
♙
♗
♙
♙
♙
♖
♕
♖
♔
White to move · rating 1250 · solved 4,216 times
· Mate in 1. It ends in checkmate on b6 with the knight.Reveal line
Opponent's last move: Nxa7
Solution: Nb6#
♜
♝
♚
♜
♟
♟
♟
♟
♟
♛
♟
♟
♞
♝
♘
♙
♙
♙
♙
♙
♗
♙
♙
♖
♕
♔
♗
♖
Black to move · rating 1316 · solved 3,123 times
· Mate in 3. It ends in checkmate on c4 with the bishop. The solver captures a pawn.Reveal line
Opponent's last move: Na4
Solution: Bf2+ → Ke2 → Ba6+ → c4 → Bxc4#
♜
♝
♚
♜
♟
♟
♟
♝
♘
♟
♞
♗
♛
♞
♗
♙
♙
♙
♙
♙
♖
♕
♔
♖
White to move · rating 1342 · solved 3,438 times
· Mate in 2. It ends in checkmate on h5 with the queen.Reveal line
Opponent's last move: Nf5
Solution: Ne6+ → Ke8 → Qh5#
♜
♝
♛
♚
♜
♟
♟
♝
♟
♞
♟
♘
♟
♞
♙
♗
♙
♙
♙
♙
♙
♖
♘
♕
♔
♖
White to move · rating 1497 · solved 3,823 times
· 2 solver moves to find. The solver captures 2 pieces (knight, rook).Reveal line
Opponent's last move: Nxh5
Solution: Qxh5 → hxg6 → Qxh8+
♜
♚
♝
♞
♜
♟
♟
♟
♟
♟
♛
♟
♟
♙
♝
♞
♙
♗
♙
♙
♘
♙
♙
♖
♕
♔
♗
♘
♖
White to move · rating 1619 · solved 2,052 times
· 2 solver moves to find. The solver captures a knight.Reveal line
Opponent's last move: Nxd4
Solution: Qa4+ → Qc6 → Qxd4
♚
♝
♞
♜
♟
♟
♟
♟
♘
♟
♘
♛
♙
♙
♞
♟
♙
♙
♙
♖
♗
♕
♔
♖
Black to move · rating 1631 · solved 2,366 times
· Mate in 2. It ends in checkmate on e1 with the queen. It gives up the queen (Qe1+) on the way. The solver captures a queen.Reveal line
Opponent's last move: Nxb5
Solution: Qe1+ → Qxe1 → dxe1=Q#
♜
♛
♚
♜
♟
♟
♝
♝
♟
♟
♞
♟
♗
♟
♙
♙
♘
♙
♙
♙
♕
♙
♙
♖
♗
♔
♖
Black to move · rating 1663 · solved 1,672 times
· 2 solver moves to find. The solver captures a bishop.Reveal line
Opponent's last move: d3
Solution: Qa5+ → Bd2 → Qxb5
♜
♛
♜
♚
♟
♝
♟
♟
♟
♟
♝
♞
♘
♙
♙
♕
♙
♙
♙
♙
♖
♗
♖
♔
White to move · rating 2011 · solved 763 times
· Mate in 3. It ends in checkmate on h7 with the queen. The solver captures a knight.Reveal line
Opponent's last move: Nxg6
Solution: Qh3+ → Nh4 → Qxh4+ → Kg8 → Qh7#
♜
♞
♝
♛
♝
♜
♟
♟
♟
♟
♟
♟
♚
♞
♟
♕
♙
♘
♙
♙
♙
♙
♙
♙
♖
♘
♗
♔
♖
White to move · rating 2094 · solved 639 times
· 4 solver moves to find. The solver captures 2 pieces (pawn, queen).Reveal line