Real puzzles from rated games · median rating 2232 · solved 77,609,919 times
Difficulty 2000+
These are discovered attack puzzles rated 2000+, the Advanced level on this site. They come from real rated games: 55,642 puzzles, median rating 2232, solved 77,609,919 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 discovered attack solution looks like
Sample: 2,000 discovered attack puzzles at advanced level (3.6% of all 55,642).
21.7% need 2 solver moves, 47% need 3 solver moves, 20.6% need 4 solver moves, 10.5% need 5 or more solver moves. Median rating: 2167 for the shortest solutions, 2400 for the longest.
26.8% open with a knight move. The first move captures in 43.6% and gives check in 57%; 5.2% end in checkmate, 40.4% involve a sacrifice, 55.7% have White to move.
43.6%first move captures
57%first move gives check
5.2%end in checkmate
40.4%involve a sacrifice
How many moves does the solver need?
2 solver moves
21.7% · median rating 2167
3 solver moves
47% · median rating 2216
4 solver moves
20.6% · median rating 2279
5+ solver moves
10.5% · median rating 2400
Which piece plays the key move?
Key move by a knight
26.8%
Key move by a bishop
18.7%
Key move by a rook
18.2%
Key move by a queen
17.4%
Key move by a pawn
16.8%
Key move by the king
2.1%
What does the solver win?
Most valuable capture: queen
37%
Most valuable capture: rook
22.3%
Most valuable capture: pawn
13.2%
Most valuable capture: bishop
11%
Most valuable capture: knight
9.4%
Captures nothing along the line
7.2%
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)
21.8%
Up to 2 pawns’ worth
20.5%
3–4 points (about a minor piece)
25.4%
5–8 points (a rook or more)
24.6%
9 or more points (a queen’s worth)
7.6%
How much is left on the board?
28 or more pieces on the board
5.2%
21–27 pieces
48.8%
13–20 pieces
41.4%
12 pieces or fewer
4.5%
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: f6 (7%), f7 (6.5%), e5 (5%), e6 (4.7%), d5 (4.3%).
1.1
1.2
8
1.1
1.3
1.5
3
6.5
3.6
2.8
7
1.1
2.9
3.4
4.7
7
4.1
3.4
6
1.3
1.8
4.3
5
3.2
3.9
2
5
1.5
1.7
2.9
1.9
2.6
4
1.2
1
1.3
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 discovered attack puzzles, from each difficulty level. Play each one on the board, then open the answer for the full line.
♟
♟
♗
♟
♙
♔
♟
♚
White to move · rating 2002 · solved 644 times
· 2 solver moves to find. The solver captures a pawn.Reveal line
Opponent's last move: d3
Solution: Kd4 → Ke1 → Bxd3
♜
♚
♟
♝
♟
♟
♝
♞
♟
♟
♘
♟
♘
♙
♜
♙
♛
♙
♙
♙
♕
♙
♙
♖
♗
♖
♔
Black to move · rating 2014 · solved 578 times
· Mate in 5. It ends in checkmate on g2 with the queen. It gives up the rook (Rxg3+) on the way. The solver captures 3 pieces (pawn, pawn, bishop).Reveal line
White to move · rating 2029 · solved 846 times
· 3 solver moves to find. The solver captures a rook.Reveal line
Opponent's last move: Qxd3
Solution: Rg7+ → Kh8 → Ra7+ → d4 → Rxa8+
♖
♞
♚
♟
♘
♙
♟
♟
♔
♙
♜
♙
♛
White to move · rating 2033 · solved 596 times
· Mate in 3. It ends in checkmate on g8 with the rook. The solver captures a knight.Reveal line
Opponent's last move: a1=Q
Solution: Ne8+ → Kh8 → Nf6+ → Ng8 → Rxg8#
♕
♟
♟
♚
♜
♞
♙
♖
♟
♙
♙
♙
♜
♖
♔
Black to move · rating 2058 · solved 674 times
· Mate in 4. It ends in checkmate on f1 with the rook. It gives up the rook (Rh1+) and the knight (Nf2+) on the way. The solver captures 2 pieces (rook, rook).Reveal line
Black to move · rating 2064 · solved 591 times
· Mate in 2. It ends in checkmate on h2 with the rook. The solver captures 2 pieces (knight, pawn).Reveal line
Opponent's last move: Ng4
Solution: Rxg4 → a4 → Rxh2#
♜
♞
♝
♛
♝
♜
♟
♟
♟
♟
♟
♟
♚
♞
♟
♕
♙
♘
♙
♙
♙
♙
♙
♙
♖
♘
♗
♔
♖
White to move · rating 2094 · solved 639 times
· 4 solver moves to find. The solver captures 2 pieces (pawn, queen).Reveal line
White to move · rating 2220 · solved 711 times
· 2 solver moves to find. The solver captures 2 pieces (pawn, queen).Reveal line
Opponent's last move: Rag8
Solution: fxe5 → Rxg4 → Rxf6+
♚
♜
♟
♟
♜
♖
♛
♙
♟
♙
♙
♕
♙
♙
♙
♖
♔
Black to move · rating 2241 · solved 579 times
· 3 solver moves to find. It gives up the rook (Rg1+) on the way. The solver captures 2 pieces (pawn, queen).Reveal line
Opponent's last move: Rxd6
Solution: Rxg4+ → Kh1 → Rg1+ → Rxg1 → Qxh3
♝
♜
♜
♚
♟
♟
♝
♙
♟
♘
♘
♙
♟
♙
♙
♕
♛
♙
♙
♖
♔
White to move · rating 2259 · solved 597 times
· Mate in 3. It ends in checkmate on f8 with the queen. It gives up the knight (Nf7+) on the way. The solver captures 2 pieces (rook, rook).Reveal line
Opponent's last move: Kh8
Solution: Nf7+ → Rxf7 → Qxb8+ → Rf8 → Qxf8#
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).