Real puzzles from rated games · median rating 1765 · solved 26,119,780 times
Difficulty 1600–1999
These are opera mate puzzles rated 1600–1999, the Challenging level on this site. They come from real rated games: 6,758 puzzles, median rating 1765, solved 26,119,780 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 opera mate solution looks like
Sample: 2,000 opera mate puzzles at challenging level (29.6% of all 6,758).
8.8% need 1 solver move, 54.6% need 2 solver moves, 28.4% need 3 solver moves, 7.5% need 4 solver moves, 0.6% need 5 or more solver moves. Median rating: 1685 for the shortest solutions, 1825 for the longest.
42.7% open with a queen move. The first move captures in 40% and gives check in 98%; 100% end in checkmate, 53.8% involve a sacrifice, 56.1% have White to move.
40%first move captures
98%first move gives check
100%end in checkmate
53.8%involve a sacrifice
How many moves does the solver need?
1 solver move
8.8% · median rating 1685
2 solver moves
54.6% · median rating 1751
3 solver moves
28.4% · median rating 1789
4 solver moves
7.5% · median rating 1787
5+ solver moves
0.6% · median rating 1825
Which piece plays the key move?
Key move by a queen
42.7%
Key move by a rook
36%
Key move by a bishop
13.4%
Key move by a knight
4%
Key move by a pawn
3.5%
What does the solver win?
Captures nothing along the line
38%
Most valuable capture: rook
20.8%
Most valuable capture: pawn
20.8%
Most valuable capture: bishop
11.6%
Most valuable capture: knight
4.8%
Most valuable capture: queen
4.1%
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)
82.1%
Up to 2 pawns’ worth
10.2%
3–4 points (about a minor piece)
3.6%
5–8 points (a rook or more)
4%
9 or more points (a queen’s worth)
0.2%
How much is left on the board?
28 or more pieces on the board
1%
21–27 pieces
35%
13–20 pieces
58.6%
12 pieces or fewer
5.4%
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 (14.9%), h8 (7.3%), e8 (7%), f8 (6.6%), d8 (6.1%).
1.3
1.6
2.4
6.1
7
6.6
3.6
7.3
8
1.1
1.9
1.4
4.9
4.5
14.9
7
1.1
2.3
1.1
3
2.8
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3.9
6
1
1.2
1.2
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3
2
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a
b
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d
e
f
g
h
Counted from the same 2,000-puzzle sample. Squares under 1% are left blank.
Study positions
The most-solved opera mate 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 1601 · solved 3,020 times
· Mate in 2. It ends in checkmate on h2 with the rook.Reveal line
Opponent's last move: Ra1
Solution: Bf4+ → Kh3 → Rh2#
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Black to move · rating 1607 · solved 3,535 times
· Mate in 2. It ends in checkmate on e1 with the rook.Reveal line
Opponent's last move: Rxf7
Solution: Bh3+ → Bg2 → Re1#
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White to move · rating 1607 · solved 3,260 times
· Mate in 3. It ends in checkmate on a8 with the rook. It gives up the queen (Qxa7+) on the way. The solver captures a pawn.Reveal line
Opponent's last move: Nd6
Solution: Qxa7+ → Kxa7 → Ra4+ → Kb8 → Ra8#
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Black to move · rating 1614 · solved 3,298 times
· Mate in 3. It ends in checkmate on f1 with the rook. It gives up the queen (Qxe1+) and the rook (Rf1+) on the way. The solver captures 2 pieces (rook, rook).Reveal line
Opponent's last move: Rbd1
Solution: Qxe1+ → Rxe1 → Rf1+ → Rxf1 → Rxf1#
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White to move · rating 1616 · solved 1,820 times
· Mate in 3. It ends in checkmate on d8 with the rook. It gives up the queen (Qxd7+) on the way. The solver captures 2 pieces (bishop, rook).Reveal line
Opponent's last move: Bd7
Solution: Qxd7+ → Rxd7 → Rc8+ → Rd8 → Rxd8#
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Black to move · rating 1634 · solved 2,903 times
· Mate in 2. It ends in checkmate on f1 with the rook. It gives up the queen (Qe3+) on the way.Reveal line
Opponent's last move: Qd6
Solution: Qe3+ → Rxe3 → Rf1#
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Black to move · rating 1658 · solved 2,499 times
· Mate in 2. It ends in checkmate on f1 with the rook. It gives up the queen (Qf1+) on the way. The solver captures a queen.Reveal line
Opponent's last move: Nh5
Solution: Qf1+ → Qxf1 → Rxf1#
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White to move · rating 1681 · solved 4,776 times
· Mate in 3. It ends in checkmate on f8 with the rook. It gives up the queen (Qxf8+) on the way. The solver captures a rook.Reveal line
Opponent's last move: Bxg2
Solution: Qxf8+ → Kxf8 → Bd6+ → Kg8 → Rf8#
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White to move · rating 1720 · solved 1,820 times
· Mate in 2. It ends in checkmate on h8 with the rook. It gives up the rook (Rh8+) on the way. The solver captures a bishop.Reveal line
Opponent's last move: dxe4
Solution: Rh8+ → Bxh8 → Rxh8#
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Black to move · rating 1839 · solved 1,359 times
· Mate in 2. It ends in checkmate on h1 with the rook.Reveal line
Opponent's last move: Kg1
Solution: Re1+ → Kxh2 → Rh1#
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White to move · rating 1869 · solved 1,866 times
· Mate in 2. It ends in checkmate on f7 with the rook. The solver captures a pawn.Reveal line
Opponent's last move: Bxg3
Solution: Rd8+ → Kg7 → Rxf7#
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).