Real puzzles from rated games · median rating 1403 · solved 304,944,179 times
Difficulty 1200–1599
These are advanced pawn puzzles rated 1200–1599, the Developing level on this site. They come from real rated games: 89,106 puzzles, median rating 1403, solved 304,944,179 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 advanced pawn solution looks like
Sample: 2,000 advanced pawn puzzles at developing level (2.2% of all 89,106).
2.6% need 1 solver move, 44.5% need 2 solver moves, 37.8% need 3 solver moves, 10.2% need 4 solver moves, 4.9% need 5 or more solver moves. Median rating: 1332 for the shortest solutions, 1415 for the longest.
55.6% open with a pawn move. The first move captures in 31.8% and gives check in 38.4%; 12% end in checkmate, 21.6% involve a sacrifice, 52.2% have White to move.
31.8%first move captures
38.4%first move gives check
12%end in checkmate
21.6%involve a sacrifice
How many moves does the solver need?
1 solver move
2.6% · median rating 1332
2 solver moves
44.5% · median rating 1391
3 solver moves
37.8% · median rating 1408
4 solver moves
10.2% · median rating 1428
5+ solver moves
4.9% · median rating 1415
Which piece plays the key move?
Key move by a pawn
55.6%
Key move by a rook
18.8%
Key move by a queen
12.4%
Key move by the king
6.2%
Key move by a knight
3.8%
Key move by a bishop
3%
What does the solver win?
Captures nothing along the line
36.3%
Most valuable capture: rook
25.8%
Most valuable capture: queen
16.6%
Most valuable capture: pawn
10%
Most valuable capture: bishop
6.8%
Most valuable capture: knight
4.4%
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)
68%
Up to 2 pawns’ worth
9.4%
3–4 points (about a minor piece)
9.3%
5–8 points (a rook or more)
9.2%
9 or more points (a queen’s worth)
4.2%
How much is left on the board?
28 or more pieces on the board
1.8%
21–27 pieces
9.1%
13–20 pieces
35%
12 pieces or fewer
54%
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 (6.1%), g7 (5.7%), e7 (5.1%), d7 (4.7%), d6 (4.5%).
1.5
1
1.9
1.4
2.5
2.6
2
1.1
8
2.7
4.2
3.8
4.7
5.1
6.1
5.7
3.6
7
2.5
3.4
3.7
4.5
3.1
3.6
3.4
2.7
6
1.1
1.9
1.4
1.2
1.8
1.5
1.4
1
5
1.1
1.1
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 advanced pawn puzzles, from each difficulty level. Play each one on the board, then open the answer for the full line.
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White to move · rating 1214 · solved 7,793 times
· 2 solver moves to find. A quiet solution: no capture and no mate.Reveal line
Opponent's last move: Bf7
Solution: b6 → Bxc4 → b7
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Black to move · rating 1243 · solved 5,874 times
· 3 solver moves to find. It gives up the rook (Rb3) on the way. The solver captures a rook.Reveal line
Opponent's last move: Rb8
Solution: Rb3 → Rxb3 → Kxb3 → Kg6 → b1=Q+
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White to move · rating 1281 · solved 6,164 times
· Mate in 2. It ends in checkmate on f8 with the queen. The solver captures a bishop.Reveal line
Opponent's last move: a1=Q
Solution: h7+ → Kh8 → Qxf8#
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White to move · rating 1282 · solved 5,495 times
· 2 solver moves to find. A quiet solution: no capture and no mate.Reveal line
Opponent's last move: f5
Solution: h6 → Kf4 → h7
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Black to move · rating 1322 · solved 5,014 times
· 3 solver moves to find. It gives up the rook (Ra1+) on the way. The solver captures a rook.Reveal line
Opponent's last move: Rxe4
Solution: Ra1+ → Kxa1 → h1=Q+ → Ka2 → Qxe4
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Black to move · rating 1350 · solved 5,241 times
· 3 solver moves to find. It gives up the rook (Ra4) on the way.Reveal line
Opponent's last move: f4
Solution: Ra5+ → Kd4 → Ra4 → Rxa4 → b1=Q
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Black to move · rating 1360 · solved 7,443 times
· 3 solver moves to find. The solver captures a queen.Reveal line
Opponent's last move: b3
Solution: e2+ → Kb1 → Na3+ → Kb2 → Nxc2
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White to move · rating 1454 · solved 5,896 times
· 2 solver moves to find. The solver captures 2 pieces (pawn, queen).Reveal line
Opponent's last move: Qh6
Solution: gxf7+ → Rxf7 → Qxh6
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Black to move · rating 1465 · solved 6,428 times
· 2 solver moves to find. A quiet solution: no capture and no mate.Reveal line
Opponent's last move: Rb1
Solution: c2 → Rc1 → Kc3
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Black to move · rating 1481 · solved 5,031 times
· 3 solver moves to find. The solver captures a queen.Reveal line
Opponent's last move: Qb3
Solution: a2 → Qxc3 → a1=Q+ → Qxa1 → Rxa1+
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White to move · rating 1484 · solved 5,588 times
· 2 solver moves to find. A quiet solution: no capture and no mate.Reveal line
Opponent's last move: Be6
Solution: d7 → Bxd5 → d8=Q
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Black to move · rating 1595 · solved 5,910 times
· 4 solver moves to find. A quiet solution: no capture and no mate.Reveal line
Opponent's last move: b5
Solution: g4+ → Kh2 → Kf2 → a5 → g3+ → Kh3 → g2
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).