Real puzzles from rated games · median rating 1450 · solved 29,522,751 times
Opening: Russian Game
These middlegame tactics puzzles were set in games that began as the Russian Game: 12,673 puzzles, median rating 1450, solved 29,522,751 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 the solutions 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 from Russian Game games (15.8% of all 12,673).
16.4% need 1 solver move, 52.6% need 2 solver moves, 25% need 3 solver moves, 4.5% need 4 solver moves, 1.5% need 5 or more solver moves. Median rating: 878 for the shortest solutions, 2391 for the longest.
37.6% open with a queen move. The first move captures in 51.3% and gives check in 55.8%; 28.1% end in checkmate, 27% involve a sacrifice, 43.1% have White to move.
51.3%first move captures
55.8%first move gives check
28.1%end in checkmate
27%involve a sacrifice
How many moves does the solver need?
1 solver move
16.4% · median rating 878
2 solver moves
52.6% · median rating 1441
3 solver moves
25% · median rating 1813
4 solver moves
4.5% · median rating 2099
5+ solver moves
1.5% · median rating 2391
Which piece plays the key move?
Key move by a queen
37.6%
Key move by a bishop
19.1%
Key move by a knight
18%
Key move by a rook
16.3%
Key move by a pawn
7.6%
Key move by the king
1.5%
What does the solver win?
Most valuable capture: queen
32.6%
Most valuable capture: rook
16.1%
Captures nothing along the line
13.7%
Most valuable capture: pawn
13.4%
Most valuable capture: bishop
12.7%
Most valuable capture: knight
11.6%
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)
22.5%
Up to 2 pawns’ worth
19.2%
3–4 points (about a minor piece)
28.6%
5–8 points (a rook or more)
20.7%
9 or more points (a queen’s worth)
9%
How much is left on the board?
28 or more pieces on the board
10.2%
21–27 pieces
86.2%
13–20 pieces
3.7%
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 (6.8%), h7 (6.8%), f6 (6.1%), e8 (5.5%), e7 (4%).
3.2
5.5
1
1.2
8
1.3
4
6.8
3.1
6.8
7
2
1.8
3
6.1
2.9
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6
1.2
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5
3.1
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2.9
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4
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1.1
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3
2
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a
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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 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 875 · solved 2,093 times
· Mate in 1. It ends in checkmate on h2 with the queen.Reveal line
Opponent's last move: Nexd6
Solution: Qh2#
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White to move · rating 930 · solved 2,288 times
· Mate in 2. It ends in checkmate on h4 with the queen. The solver captures a queen.Reveal line
Opponent's last move: hxg6
Solution: Qh3+ → Qh4 → Qxh4#
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Black to move · rating 1070 · solved 2,761 times
· Mate in 2. It ends in checkmate on h3 with the queen. It gives up the rook (Rxh3+) on the way. The solver captures 2 pieces (pawn, pawn).Reveal line
Opponent's last move: Qf3
Solution: Rxh3+ → gxh3 → Qxh3#
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Black to move · rating 1209 · solved 12,018 times
· Mate in 2. It ends in checkmate on g2 with the queen.Reveal line
Opponent's last move: Bxe4
Solution: Qg5+ → Kf1 → Qg2#
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White to move · rating 1307 · solved 8,316 times
· Mate in 2. It ends in checkmate on f4 with the bishop.Reveal line
Opponent's last move: Ke6
Solution: Bc4+ → Kd6 → Bf4#
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White to move · rating 1403 · solved 8,068 times
· 2 solver moves to find. It gives up the rook (Re1) on the way. The solver captures a queen.Reveal line
Opponent's last move: Bd5
Solution: Re1 → Qxe1+ → Qxe1+
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White to move · rating 1549 · solved 9,466 times
· 3 solver moves to find. It gives up the knight (Ne7+) on the way. The solver captures a queen.Reveal line
Opponent's last move: Rxf7
Solution: Re8+ → Rf8 → Ne7+ → Qxe7 → Rxe7
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Black to move · rating 1700 · solved 20,873 times
· 3 solver moves to find. The solver captures 2 pieces (bishop, rook).Reveal line
Opponent's last move: f3
Solution: Bxe3+ → Rxe3 → Rh1+ → Kf2 → Rxa1
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Black to move · rating 1804 · solved 25,715 times
· 2 solver moves to find. The solver captures a queen.Reveal line
Opponent's last move: Qxc8
Solution: Nd6+ → Be3 → Nxc8
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White to move · rating 1953 · solved 1,488 times
· 3 solver moves to find. It gives up the bishop (Bf5) on the way. The solver captures 2 pieces (pawn, queen).Reveal line
Opponent's last move: Qd7
Solution: Bxh7+ → Kf8 → Bf5 → Qxf5 → Qxf5
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White to move · rating 2026 · solved 6,645 times
· 3 solver moves to find. The solver captures 2 pieces (rook, bishop).Reveal line
Opponent's last move: Rd6
Solution: Rxd6 → Qxd6 → Qh3+ → Kc7 → Qxh6
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Black to move · rating 2039 · solved 12,332 times
· 3 solver moves to find. It gives up the bishop (Be2+) on the way. The solver captures a queen.Reveal line
Opponent's last move: Qxg7
Solution: Qg3+ → Kf1 → Be2+ → Bxe2 → Qxg7
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).