Opening tactics Puzzles from the Scandinavian Defense
Real puzzles from rated games · median rating 1298 · solved 28,346,463 times
Opening: Scandinavian Defense
These opening tactics puzzles were set in games that began as the Scandinavian Defense: 13,100 puzzles, median rating 1298, solved 28,346,463 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 Scandinavian Defense games (15.3% of all 13,100).
28.3% need 1 solver move, 51.6% need 2 solver moves, 18% need 3 solver moves, 1.5% need 4 solver moves, 0.6% need 5 or more solver moves. Median rating: 912 for the shortest solutions, 2350 for the longest.
39.3% open with a queen move. The first move captures in 56.6% and gives check in 61%; 35.4% end in checkmate, 15.6% involve a sacrifice, 47% have White to move.
56.6%first move captures
61%first move gives check
35.4%end in checkmate
15.6%involve a sacrifice
How many moves does the solver need?
1 solver move
28.3% · median rating 912
2 solver moves
51.6% · median rating 1350
3 solver moves
18% · median rating 1729
4 solver moves
1.5% · median rating 2225
5+ solver moves
0.6% · median rating 2350
Which piece plays the key move?
Key move by a queen
39.3%
Key move by a bishop
26.8%
Key move by a knight
25.1%
Key move by a pawn
4.6%
Key move by a rook
3.2%
Key move by the king
1.1%
What does the solver win?
Most valuable capture: queen
28.7%
Most valuable capture: knight
18.6%
Most valuable capture: pawn
17.4%
Captures nothing along the line
16.8%
Most valuable capture: bishop
12.8%
Most valuable capture: rook
5.8%
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)
22.8%
Up to 2 pawns’ worth
21.1%
3–4 points (about a minor piece)
32.8%
5–8 points (a rook or more)
15.4%
9 or more points (a queen’s worth)
7.8%
How much is left on the board?
28 or more pieces on the board
52.9%
21–27 pieces
47.1%
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: h7 (10.7%), f7 (10.7%), f6 (8.6%), b5 (4.4%), e5 (3.9%).
1.3
3.2
8
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2.8
1.1
2
10.7
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7
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8.6
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a
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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 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 793 · solved 1,345 times
· 2 solver moves to find. The solver captures 2 pieces (bishop, queen).Reveal line
Opponent's last move: Qh5
Solution: Bxg4+ → Qxg4 → Qxg4+
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Black to move · rating 1183 · solved 1,728 times
· 2 solver moves to find. The solver captures 2 pieces (knight, bishop).Reveal line
Opponent's last move: Bg5
Solution: Bxf3 → Bxf3 → Qxg5
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Black to move · rating 1195 · solved 1,963 times
· Mate in 1. It ends in checkmate on f3 with the knight.Reveal line
Opponent's last move: Bd2
Solution: Nf3#
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Black to move · rating 1200 · solved 1,887 times
· Mate in 2. It ends in checkmate on h2 with the queen. The solver captures a knight.Reveal line
Opponent's last move: Nxf3
Solution: Nxf3+ → gxf3 → Qh2#
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White to move · rating 1221 · solved 2,584 times
· Mate in 1. It ends in checkmate on e6 with the queen.Reveal line
Opponent's last move: Qd4
Solution: Qe6#
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Black to move · rating 1353 · solved 1,866 times
· Mate in 1. It ends in checkmate on f3 with the knight. The solver captures a pawn.Reveal line
Opponent's last move: Be3
Solution: Nxf3#
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White to move · rating 1576 · solved 2,169 times
· 3 solver moves to find. It gives up the bishop (Bxf7+) on the way. The solver captures 2 pieces (pawn, queen).Reveal line
Opponent's last move: Qxd4
Solution: Bxf7+ → Kxf7 → Be5+ → Nf6 → Bxd4
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White to move · rating 1604 · solved 1,537 times
· 2 solver moves to find. The solver captures a queen.Reveal line
Opponent's last move: gxh3
Solution: Nd6+ → Kd7 → Rxg5
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Black to move · rating 1611 · solved 1,949 times
· 3 solver moves to find. The solver captures 2 pieces (knight, bishop).Reveal line
Opponent's last move: Bxc4
Solution: Bxb5 → Bxb5 → Qa5+ → c3 → Qxb5
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White to move · rating 1729 · solved 1,248 times
· 2 solver moves to find. The solver captures 2 pieces (pawn, bishop).Reveal line
Opponent's last move: gxh3
Solution: Bxh3+ → Kb8 → Qxh5
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Black to move · rating 2129 · solved 662 times
· 2 solver moves to find. A quiet solution: no capture and no mate.Reveal line
Opponent's last move: Ba6+
Solution: Kb8 → Qb3+ → Ka8
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Black to move · rating 2224 · solved 546 times
· 3 solver moves to find. The solver captures 2 pieces (knight, queen).Reveal line
Opponent's last move: Nc5
Solution: Qf6 → Nf4 → Qxf4 → Qf3 → Bxf3
Positions and move sequences come from real rated games (CC0 data). Engine evaluations, where shown, are stored evaluations of the position (CC0).