Real puzzles from rated games · median rating 1434 · solved 76,467,691 times
Difficulty 1200–1599
These are intermezzo (in-between move) puzzles rated 1200–1599, the Developing level on this site. They come from real rated games: 22,605 puzzles, median rating 1434, solved 76,467,691 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 intermezzo (in-between move) solution looks like
Sample: 2,000 intermezzo (in-between move) puzzles at developing level (8.8% of all 22,605).
81.6% need 2 solver moves, 17.1% need 3 solver moves, 1.2% need 4 solver moves. Median rating: 1417 for the shortest solutions, 1501 for the longest.
28.2% open with a queen move. The first move captures in 75.6% and gives check in 71.2%; 4.6% end in checkmate, 9.8% involve a sacrifice, 53.2% have White to move.
75.6%first move captures
71.2%first move gives check
4.6%end in checkmate
9.8%involve a sacrifice
How many moves does the solver need?
2 solver moves
81.6% · median rating 1417
3 solver moves
17.1% · median rating 1468
4 solver moves
1.2% · median rating 1501
Which piece plays the key move?
Key move by a queen
28.2%
Key move by a rook
28%
Key move by a knight
18.8%
Key move by a bishop
17.2%
Key move by a pawn
7.5%
What does the solver win?
Most valuable capture: queen
38.8%
Most valuable capture: rook
31.8%
Most valuable capture: knight
13%
Most valuable capture: bishop
13%
Most valuable capture: pawn
3.5%
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)
1%
Up to 2 pawns’ worth
5.5%
3–4 points (about a minor piece)
36.2%
5–8 points (a rook or more)
31.2%
9 or more points (a queen’s worth)
26%
How much is left on the board?
28 or more pieces on the board
8%
21–27 pieces
49.2%
13–20 pieces
39.6%
12 pieces or fewer
3.2%
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: f6 (11.4%), e7 (9.7%), d8 (7.6%), e8 (6.5%), f8 (4.4%).
3.2
1.6
2.9
7.6
6.5
4.4
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8
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3.1
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3
2.5
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7
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Counted from the same 2,000-puzzle sample. Squares under 1% are left blank.
Study positions
The most-solved intermezzo (in-between 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 1301 · solved 11,727 times
· 2 solver moves to find. The solver captures 2 pieces (queen, bishop).Reveal line
Opponent's last move: Bxd6
Solution: Rxd4 → Rxd4 → Bxd6
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White to move · rating 1323 · solved 3,413 times
· 2 solver moves to find. The solver captures a bishop.Reveal line
Opponent's last move: Bxf5
Solution: Qd5+ → Kh8 → Bxf5
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White to move · rating 1324 · solved 3,056 times
· Mate in 3. It ends in checkmate on f7 with the queen. The solver captures 2 pieces (pawn, pawn).Reveal line
Opponent's last move: exf5
Solution: Rc8+ → Kh7 → Qxf5+ → g6 → Qxf7#
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White to move · rating 1348 · solved 2,584 times
· 2 solver moves to find. The solver captures 2 pieces (rook, queen).Reveal line
Opponent's last move: Qxc3
Solution: Rxe8+ → Kg7 → bxc3
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White to move · rating 1356 · solved 3,783 times
· 2 solver moves to find. The solver captures a queen.Reveal line
Opponent's last move: Qxd5
Solution: Qa7+ → Kh8 → Bxd5
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Black to move · rating 1358 · solved 2,937 times
· 3 solver moves to find. The solver captures 3 pieces (rook, pawn, queen).Reveal line
Opponent's last move: fxe3
Solution: Rxf1+ → Kxf1 → Nxe3+ → Kg1 → Nxg4
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White to move · rating 1386 · solved 4,676 times
· 2 solver moves to find. The solver captures 2 pieces (knight, bishop).Reveal line
Opponent's last move: Bxh5
Solution: Bxf6 → Bxf6 → Bxh5
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Black to move · rating 1410 · solved 3,008 times
· Mate in 2. It ends in checkmate on h3 with the rook. The solver captures 2 pieces (bishop, pawn).Reveal line
Opponent's last move: gxh3
Solution: Rxg3+ → Kh2 → Rhxh3#
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Black to move · rating 1412 · solved 3,157 times
· 3 solver moves to find. The solver captures 3 pieces (rook, rook, queen).Reveal line
Opponent's last move: Qxa5
Solution: Rxc1 → Qxd8 → Rxe1+ → Nxe1 → Rxd8
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White to move · rating 1469 · solved 3,848 times
· Mate in 2. It ends in checkmate on h6 with the queen. The solver captures a bishop.Reveal line
Opponent's last move: Bxh6
Solution: Nf6+ → Kf8 → Qxh6#
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White to move · rating 1534 · solved 2,621 times
· 2 solver moves to find. The solver captures a rook.Reveal line
Opponent's last move: Rxf3
Solution: Rb8+ → Kh7 → gxf3
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White to move · rating 1551 · solved 2,765 times
· 2 solver moves to find. It gives up the queen (Qxg7+) on the way. The solver captures 2 pieces (bishop, queen).Reveal line
Opponent's last move: Qxf3
Solution: Qxg7+ → Kxg7 → gxf3
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).
Same theme, other levels
Intermezzo (in-between move) puzzles by difficulty