Real puzzles from rated games · median rating 1434 · solved 15,723,000 times
Opening: Russian Game
These opening tactics puzzles were set in games that began as the Russian Game: 5,289 puzzles, median rating 1434, solved 15,723,000 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 opening tactics solution looks like
Sample: 2,000 opening tactics puzzles from Russian Game games (37.8% of all 5,289).
17.6% need 1 solver move, 53.5% need 2 solver moves, 24.6% need 3 solver moves, 3.2% need 4 solver moves, 1% need 5 or more solver moves. Median rating: 896 for the shortest solutions, 2607 for the longest.
41.2% open with a queen move. The first move captures in 56.4% and gives check in 56.4%; 26.4% end in checkmate, 20.3% involve a sacrifice, 38.8% have White to move.
56.4%first move captures
56.4%first move gives check
26.4%end in checkmate
20.3%involve a sacrifice
How many moves does the solver need?
1 solver move
17.6% · median rating 896
2 solver moves
53.5% · median rating 1409
3 solver moves
24.6% · median rating 1768
4 solver moves
3.2% · median rating 2099
5+ solver moves
1% · median rating 2607
Which piece plays the key move?
Key move by a queen
41.2%
Key move by a knight
22.4%
Key move by a bishop
22.2%
Key move by a pawn
7.6%
Key move by a rook
4.5%
Key move by the king
2.2%
What does the solver win?
Most valuable capture: queen
31.4%
Most valuable capture: pawn
17%
Most valuable capture: knight
14.8%
Most valuable capture: bishop
14%
Captures nothing along the line
13.6%
Most valuable capture: rook
9.3%
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)
20.4%
Up to 2 pawns’ worth
20.6%
3–4 points (about a minor piece)
34.2%
5–8 points (a rook or more)
16.3%
9 or more points (a queen’s worth)
8.6%
How much is left on the board?
28 or more pieces on the board
51.9%
21–27 pieces
48.1%
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 (12.6%), h7 (8.1%), d5 (6.9%), h5 (6.8%), e5 (5.6%).
1.5
2.2
8
2.6
12.6
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8.1
7
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2.8
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1
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1
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1.1
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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 471 · solved 1,073 times
· Mate in 1. It ends in checkmate on f7 with the queen. The solver captures a pawn.Reveal line
Opponent's last move: Bxd7
Solution: Qxf7#
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Black to move · rating 854 · solved 1,896 times
· Mate in 1. It ends in checkmate on h2 with the queen.Reveal line
Opponent's last move: d4
Solution: Qh2#
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White to move · rating 969 · solved 1,734 times
· Mate in 2. It ends in checkmate on g8 with the queen. The solver captures a rook.Reveal line
Opponent's last move: Kh8
Solution: Rxf8+ → Nxf8 → Qg8#
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White to move · rating 1204 · solved 5,117 times
· 2 solver moves to find. It gives up the knight (Nxg6) on the way. The solver captures 2 pieces (pawn, rook).Reveal line
Opponent's last move: g6
Solution: Nxg6 → hxg6 → Qxh8+
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Black to move · rating 1206 · solved 1,740 times
· 3 solver moves to find. It gives up the knight (Nxg3) on the way. The solver captures 2 pieces (pawn, rook).Reveal line
Opponent's last move: f3
Solution: Qh4+ → g3 → Nxg3 → hxg3 → Qxh1+
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White to move · rating 1290 · solved 10,073 times
· 2 solver moves to find. The solver captures a queen.Reveal line
Opponent's last move: dxc4
Solution: Nc6+ → Qe7 → Nxe7
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White to move · rating 1331 · solved 37,617 times
· 2 solver moves to find. The solver captures a pawn.Reveal line
Opponent's last move: Nc5
Solution: Nh6+ → Kh8 → Nxf7+
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White to move · rating 1606 · solved 25,132 times
· 2 solver moves to find. The solver captures 2 pieces (pawn, knight).Reveal line
Opponent's last move: Be7
Solution: Rxd5 → Qc8 → Rxd4
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White to move · rating 1628 · solved 23,845 times
· 4 solver moves to find. It gives up the knight (Nf7+) on the way. The solver captures a queen.Reveal line