Real puzzles from rated games · median rating 1376 · solved 16,843,929 times
Difficulty 1200–1599
These are epaulette mate puzzles rated 1200–1599, the Developing level on this site. They come from real rated games: 5,298 puzzles, median rating 1376, solved 16,843,929 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 epaulette mate solution looks like
Sample: 2,000 epaulette mate puzzles at developing level (37.8% of all 5,298).
42.2% need 1 solver move, 43.4% need 2 solver moves, 12.4% need 3 solver moves, 1.8% need 4 solver moves. Median rating: 1376 for the shortest solutions, 1387 for the longest.
43.6% open with a rook move. The first move captures in 22% and gives check in 99.8%; 100% end in checkmate, 9% involve a sacrifice, 57.6% have White to move.
22%first move captures
99.8%first move gives check
100%end in checkmate
9%involve a sacrifice
How many moves does the solver need?
1 solver move
42.2% · median rating 1376
2 solver moves
43.4% · median rating 1368
3 solver moves
12.4% · median rating 1388
4 solver moves
1.8% · median rating 1387
Which piece plays the key move?
Key move by a rook
43.6%
Key move by a queen
38.6%
Key move by a knight
8.9%
Key move by a pawn
5%
Key move by a bishop
3.8%
What does the solver win?
Captures nothing along the line
59.6%
Most valuable capture: pawn
21.6%
Most valuable capture: bishop
6%
Most valuable capture: rook
5.2%
Most valuable capture: knight
4.4%
Most valuable capture: queen
3.2%
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)
66.6%
Up to 2 pawns’ worth
18.8%
3–4 points (about a minor piece)
8.6%
5–8 points (a rook or more)
4.1%
9 or more points (a queen’s worth)
1.9%
How much is left on the board?
28 or more pieces on the board
3.5%
21–27 pieces
23.8%
13–20 pieces
61.4%
12 pieces or fewer
11.2%
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 (7.7%), f6 (7.2%), g7 (6%), e6 (4.5%), h8 (4.4%).
1.8
1.1
2.8
2.4
3.2
3.7
4.4
8
2
3.3
2.3
3
7.7
6
3.3
7
2.2
3
4.5
7.2
4.1
2
6
1.6
1.3
1.9
1.8
2.5
2.8
1.9
5
1.5
1.9
1.7
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 epaulette 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 1215 · solved 3,396 times
· Mate in 2. It ends in checkmate on g1 with the queen.Reveal line
Opponent's last move: Kg2
Solution: h3+ → Kg3 → Qg1#
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White to move · rating 1230 · solved 2,225 times
· Mate in 2. It ends in checkmate on c6 with the rook.Reveal line
Opponent's last move: Kd6
Solution: Re6+ → Kc5 → Rc6#
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Black to move · rating 1239 · solved 2,246 times
· Mate in 2. It ends in checkmate on f3 with the rook.Reveal line
Opponent's last move: Kf4
Solution: g5+ → Kf5 → Rf3#
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Black to move · rating 1279 · solved 2,229 times
· Mate in 2. It ends in checkmate on c4 with the rook.Reveal line
Opponent's last move: Kxb5
Solution: Rb2+ → Ka4 → Rc4#
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Black to move · rating 1300 · solved 2,541 times
· Mate in 2. It ends in checkmate on a3 with the rook.Reveal line
Opponent's last move: Bd5
Solution: Ra6+ → Kb3 → Ra3#
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White to move · rating 1402 · solved 2,561 times
· Mate in 3. It ends in checkmate on f5 with the rook.Reveal line
Opponent's last move: Ng6
Solution: Rf7+ → Kg5 → Rg1+ → Kh5 → Rf5#
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Black to move · rating 1403 · solved 4,049 times
· Mate in 1. It ends in checkmate on f3 with the knight. The solver captures a pawn.Reveal line
Opponent's last move: Bxb6
Solution: Nxf3#
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Black to move · rating 1417 · solved 2,558 times
· Mate in 2. It ends in checkmate on g4 with the queen. It gives up the knight (Nf4+) on the way.Reveal line
Opponent's last move: a5
Solution: Nf4+ → gxf4 → Qg4#
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White to move · rating 1437 · solved 2,745 times
· Mate in 2. It ends in checkmate on g7 with the rook. The solver captures 2 pieces (pawn, queen).Reveal line
Opponent's last move: Kh7
Solution: Rxf7+ → Qg7 → Rxg7#
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White to move · rating 1489 · solved 6,092 times
· Mate in 5. It ends in checkmate on a6 with the rook. The solver captures 2 pieces (rook, pawn).Reveal line