Real puzzles from rated games · median rating 1392 · solved 309,336,893 times
Difficulty 1200–1599
These are opening tactics puzzles rated 1200–1599, the Developing level on this site. They come from real rated games: 81,269 puzzles, median rating 1392, solved 309,336,893 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 opening tactics solution looks like
Sample: 2,000 opening tactics puzzles at developing level (2.5% of all 81,269).
13.4% need 1 solver move, 65.4% need 2 solver moves, 20.2% need 3 solver moves, 1% need 4 solver moves. Median rating: 1330 for the shortest solutions, 1418 for the longest.
36.2% open with a queen move. The first move captures in 53.1% and gives check in 56.3%; 20.9% end in checkmate, 20.1% involve a sacrifice, 53% have White to move.
53.1%first move captures
56.3%first move gives check
20.9%end in checkmate
20.1%involve a sacrifice
How many moves does the solver need?
1 solver move
13.4% · median rating 1330
2 solver moves
65.4% · median rating 1394
3 solver moves
20.2% · median rating 1433
4 solver moves
1% · median rating 1418
Which piece plays the key move?
Key move by a queen
36.2%
Key move by a bishop
25.4%
Key move by a knight
23.7%
Key move by a pawn
9.8%
Key move by a rook
4.1%
Key move by the king
0.9%
What does the solver win?
Most valuable capture: queen
32.6%
Most valuable capture: knight
19.8%
Most valuable capture: bishop
16.6%
Most valuable capture: pawn
11.2%
Captures nothing along the line
11%
Most valuable capture: rook
8.8%
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)
16%
Up to 2 pawns’ worth
14.8%
3–4 points (about a minor piece)
43.3%
5–8 points (a rook or more)
18%
9 or more points (a queen’s worth)
8%
How much is left on the board?
28 or more pieces on the board
55.9%
21–27 pieces
44.1%
13–20 pieces
0%
12 pieces or fewer
0%
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 (9.7%), a4 (8.6%), f6 (7.1%), e5 (5.5%), h5 (5.2%).
1.1
2.5
8
1.7
1.5
1.5
9.7
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2.8
7
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2
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1
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g
h
Counted from the same 2,000-puzzle sample. Squares under 1% are left blank.
Study positions
The most-solved opening tactics 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 1250 · solved 4,216 times
· Mate in 1. It ends in checkmate on b6 with the knight.Reveal line
Opponent's last move: Nxa7
Solution: Nb6#
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White to move · rating 1267 · solved 4,274 times
· 3 solver moves to find. The solver captures 2 pieces (pawn, queen).Reveal line
Opponent's last move: Qxd3
Solution: exf7+ → Kxf7 → Ne5+ → Kg8 → Nxd3
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White to move · rating 1275 · solved 4,123 times
· Mate in 2. It ends in checkmate on d5 with the knight.Reveal line
Opponent's last move: Bxd1
Solution: Bf7+ → Ke7 → Nd5#
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White to move · rating 1284 · solved 4,677 times
· Mate in 2. It ends in checkmate on g5 with the bishop.Reveal line
Opponent's last move: Bxd1
Solution: Bf7+ → Ke7 → Bg5#
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Black to move · rating 1285 · solved 3,736 times
· Mate in 1. It ends in checkmate on f2 with the queen. The solver captures a pawn.Reveal line
Opponent's last move: Nxc5
Solution: Qxf2#
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White to move · rating 1351 · solved 4,352 times
· Mate in 1. It ends in checkmate on h6 with the queen.Reveal line
Opponent's last move: Kg7
Solution: Qh6#
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White to move · rating 1361 · solved 3,900 times
· Mate in 1. It ends in checkmate on g5 with the bishop.Reveal line
Opponent's last move: Kf6
Solution: Bg5#
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Black to move · rating 1378 · solved 7,714 times
· 2 solver moves to find. The solver captures 2 pieces (rook, queen).Reveal line
Opponent's last move: Rd1
Solution: Rxd1+ → Kxd1 → Bxc8
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Black to move · rating 1443 · solved 3,713 times
· Mate in 2. It ends in checkmate on c2 with the queen. It gives up the knight (Nxa2+) on the way. The solver captures a pawn.Reveal line
Opponent's last move: Nd2
Solution: Nxa2+ → Qxa2 → Qc2#
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White to move · rating 1497 · solved 3,823 times
· 2 solver moves to find. The solver captures 2 pieces (knight, rook).Reveal line
Opponent's last move: Nxh5
Solution: Qxh5 → hxg6 → Qxh8+
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White to move · rating 1548 · solved 5,438 times
· Mate in 2. It ends in checkmate on d8 with the rook.Reveal line
Opponent's last move: hxg5
Solution: Nc7+ → Kf8 → Rd8#
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White to move · rating 1596 · solved 3,716 times
· 2 solver moves to find. The solver captures 2 pieces (pawn, rook).Reveal line
Opponent's last move: Nf6
Solution: Qxg7 → Nxd5 → Qxh8+
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).