Real puzzles from rated games · median rating 1450 · solved 78,293,186 times
Difficulty 1200–1599
These are quiet move puzzles rated 1200–1599, the Developing level on this site. They come from real rated games: 27,719 puzzles, median rating 1450, solved 78,293,186 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 quiet move solution looks like
Sample: 2,000 quiet move puzzles at developing level (7.2% of all 27,719).
28.6% need 2 solver moves, 41.5% need 3 solver moves, 18% need 4 solver moves, 11.9% need 5 or more solver moves. Median rating: 1463 for the shortest solutions, 1401 for the longest.
43.8% open with a pawn move. The first move captures in 21.1% and gives check in 12.8%; 1.2% end in checkmate, 10% involve a sacrifice, 48.9% have White to move.
21.1%first move captures
12.8%first move gives check
1.2%end in checkmate
10%involve a sacrifice
How many moves does the solver need?
2 solver moves
28.6% · median rating 1463
3 solver moves
41.5% · median rating 1450
4 solver moves
18% · median rating 1432
5+ solver moves
11.9% · median rating 1401
Which piece plays the key move?
Key move by a pawn
43.8%
Key move by a rook
21.2%
Key move by the king
10.2%
Key move by a bishop
9.6%
Key move by a queen
9.3%
Key move by a knight
6%
What does the solver win?
Captures nothing along the line
34.6%
Most valuable capture: queen
21%
Most valuable capture: pawn
17.7%
Most valuable capture: rook
17.6%
Most valuable capture: bishop
5.4%
Most valuable capture: knight
3.6%
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)
52.2%
Up to 2 pawns’ worth
15.1%
3–4 points (about a minor piece)
13.6%
5–8 points (a rook or more)
13.4%
9 or more points (a queen’s worth)
5.6%
How much is left on the board?
28 or more pieces on the board
0.7%
21–27 pieces
8.5%
13–20 pieces
28.9%
12 pieces or fewer
61.9%
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: h5 (5.9%), a5 (5.5%), g5 (4.5%), h4 (4.5%), b5 (4.5%).
1.4
1.2
1.2
8
1.3
7
1
1
1.2
1.5
2
6
5.5
4.5
4.2
3.7
3.6
4
4.5
5.9
5
3.1
2.3
2.2
2
1.9
3.2
3
4.5
4
1.4
1.1
1
1.1
1.3
2.2
3
2
1.2
1.1
1.9
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 quiet move 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 1252 · solved 2,729 times
· 2 solver moves to find. The solver captures a queen.Reveal line
Opponent's last move: gxh3
Solution: Rg6 → Qg4 → fxg4
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Black to move · rating 1260 · solved 2,557 times
· 7 solver moves to find. The solver captures 3 pieces (bishop, pawn, pawn).Reveal line
White to move · rating 1331 · solved 2,948 times
· 2 solver moves to find. It gives up the bishop (Bd5) on the way. The solver captures a rook.Reveal line
Opponent's last move: a3
Solution: Bd5 → Rxd5 → exd5
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White to move · rating 1351 · solved 2,974 times
· 3 solver moves to find. The solver captures a pawn.Reveal line
Opponent's last move: gxf4
Solution: g5 → Kc3 → g6 → d3 → cxd3
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Black to move · rating 1382 · solved 3,476 times
· Mate in 2. It ends in checkmate on h1 with the rook.Reveal line
Opponent's last move: Rd1
Solution: Rh5 → d4 → Rh1#
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Black to move · rating 1457 · solved 2,825 times
· 3 solver moves to find. A quiet solution: no capture and no mate.Reveal line
Opponent's last move: Kxb5
Solution: f5 → Kc5 → f4 → b4 → f3
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White to move · rating 1468 · solved 3,285 times
· 3 solver moves to find. The solver captures a pawn.Reveal line
Opponent's last move: Kg3
Solution: g5 → Kf4 → f6 → gxf6 → gxf6
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Black to move · rating 1526 · solved 5,237 times
· 4 solver moves to find. The solver captures 2 pieces (pawn, rook).Reveal line
Opponent's last move: h5
Solution: gxh5 → g6 → h4 → g7 → Kf7 → g8=R → Kxg8
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Black to move · rating 1584 · solved 3,069 times
· 2 solver moves to find. A quiet solution: no capture and no mate.Reveal line
Opponent's last move: a4
Solution: a5 → Kd3 → Kb4
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).