Real puzzles from rated games · median rating 1783 · solved 1,528,729,403 times
Difficulty 1600–1999
These are middlegame tactics puzzles rated 1600–1999, the Challenging level on this site. They come from real rated games: 613,715 puzzles, median rating 1783, solved 1,528,729,403 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 middlegame tactics solution looks like
Sample: 2,000 middlegame tactics puzzles at challenging level (0.3% of all 613,715).
2.2% need 1 solver move, 53.8% need 2 solver moves, 37.1% need 3 solver moves, 6% need 4 solver moves, 1% need 5 or more solver moves. Median rating: 1695 for the shortest solutions, 1849 for the longest.
30.2% open with a queen move. The first move captures in 50.2% and gives check in 43.4%; 15% end in checkmate, 32.6% involve a sacrifice, 53.8% have White to move.
50.2%first move captures
43.4%first move gives check
15%end in checkmate
32.6%involve a sacrifice
How many moves does the solver need?
1 solver move
2.2% · median rating 1695
2 solver moves
53.8% · median rating 1774
3 solver moves
37.1% · median rating 1792
4 solver moves
6% · median rating 1864
5+ solver moves
1% · median rating 1849
Which piece plays the key move?
Key move by a queen
30.2%
Key move by a rook
25.4%
Key move by a knight
18.2%
Key move by a bishop
16%
Key move by a pawn
8.8%
Key move by the king
1.5%
What does the solver win?
Most valuable capture: queen
39.6%
Most valuable capture: rook
19.6%
Most valuable capture: knight
11.2%
Most valuable capture: bishop
10.8%
Most valuable capture: pawn
10%
Captures nothing along the line
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)
21.2%
Up to 2 pawns’ worth
13.8%
3–4 points (about a minor piece)
31.4%
5–8 points (a rook or more)
24.4%
9 or more points (a queen’s worth)
9.2%
How much is left on the board?
28 or more pieces on the board
5.6%
21–27 pieces
63.3%
13–20 pieces
31.1%
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: f6 (4.8%), f7 (4.3%), d5 (4%), f5 (3.5%), g6 (3.5%).
1.3
1.1
1.7
1.4
1.8
8
1.8
2.1
3.5
4.3
2.6
3.1
7
1.3
2.4
2.1
2.6
4.8
3.5
3.3
6
1.2
1.6
4
3.4
3.5
3.1
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5
1.5
2.5
3
1.6
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4
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1
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1.1
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1.1
3
1
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1
1.1
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d
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f
g
h
Counted from the same 2,000-puzzle sample. Squares under 1% are left blank.
Study positions
The most-solved middlegame tactics 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 1600 · solved 3,003 times
· Mate in 2. It ends in checkmate on h1 with the rook. It gives up the rook (Rh1+) on the way. The solver captures a bishop.Reveal line
Opponent's last move: e5
Solution: Rh1+ → Bxh1 → Rxh1#
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Black to move · rating 1606 · solved 3,690 times
· 3 solver moves to find. The solver captures 3 pieces (bishop, queen, rook).Reveal line
Opponent's last move: Bc4+
Solution: Nxc4 → Rxa3 → Rxd1+ → Rxd1 → Nxa3
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Black to move · rating 1626 · solved 3,044 times
· Mate in 3. It ends in checkmate on h1 with the rook. It gives up the rook (Re1+) on the way. The solver captures a bishop.Reveal line
Opponent's last move: Rd3
Solution: Re1+ → Bxe1 → Rxe1+ → Kh2 → Rh1#
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White to move · rating 1640 · solved 3,583 times
· Mate in 2. It ends in checkmate on g4 with the knight.Reveal line
Opponent's last move: Kxh6
Solution: Qh4+ → Nh5 → Ng4#
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Black to move · rating 1643 · solved 3,128 times
· 3 solver moves to find. It gives up the queen (Qxe1+) on the way. The solver captures 2 pieces (rook, queen).Reveal line
Opponent's last move: Rae1
Solution: Qxe1+ → Rxe1 → Nf3+ → Kf1 → Nxh4
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White to move · rating 1644 · solved 3,358 times
· Mate in 2. It ends in checkmate on g7 with the queen. The solver captures a bishop.Reveal line
Opponent's last move: Qxf5
Solution: Qxh6+ → Kg8 → Qg7#
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Black to move · rating 1646 · solved 3,532 times
· 3 solver moves to find. The solver captures 2 pieces (pawn, bishop).Reveal line
Opponent's last move: dxc4
Solution: Nxe4 → Qe1 → Nxg3+ → Qxg3 → e4
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White to move · rating 1647 · solved 2,995 times
· 2 solver moves to find. It gives up the rook (Rexe4) on the way. The solver captures 2 pieces (knight, rook).Reveal line
Opponent's last move: Qf6
Solution: Rexe4 → dxe4 → Rxd8+
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White to move · rating 1658 · solved 3,447 times
· Mate in 3. It ends in checkmate on g6 with the knight.Reveal line
Opponent's last move: gxh6
Solution: Qg6+ → Ng7 → Qf7+ → Kh8 → Ng6#
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Black to move · rating 1669 · solved 3,537 times
· Mate in 2. It ends in checkmate on e3 with the queen. It gives up the rook (Rxe4+) on the way. The solver captures a knight.Reveal line
Opponent's last move: Qxf7
Solution: Rxe4+ → fxe4 → Qe3#
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Black to move · rating 1737 · solved 3,131 times
· Mate in 3. It ends in checkmate on b1 with the queen. The solver captures 2 pieces (rook, rook).Reveal line
Opponent's last move: Rcxb2
Solution: Bxb2+ → Rxb2 → Qc1+ → Rb1 → Qxb1#
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White to move · rating 1823 · solved 4,651 times
· Mate in 5. It ends in checkmate on f8 with the queen. The solver captures 3 pieces (bishop, pawn, rook).Reveal line