Semi-Slav Defense
At 1400–1799 Elo, theory ends around half-move 14. The move that leaves it is a mistake in 7% of cases, 17.7 times as often as a move inside it.
Where theory ends
Half-move at which a game leaves what at least 100 games played. Half of all games end between the two outer numbers.
- up to 139913half-movehalf of the games: 11 to 15
- 1400–179914half-movehalf of the games: 12 to 16
- 1800+15half-movehalf of the games: 13 to 17
How risky the exit is
Share of moves that lose at least 10 points of winning chances, in the same stretch of the game (half-moves 8 to 24).
up to 1399
- Inside theory0.7%
- The move that leaves it10.8%
- After it12.2%
15.5× the risk of a move inside theory
1400–1799
- Inside theory0.4%
- The move that leaves it7.3%
- After it8.5%
17.7× the risk of a move inside theory
1800+
- Inside theory0.3%
- The move that leaves it5.4%
- After it6.1%
18.6× the risk of a move inside theory
Most common mistakes inside theory
Moves the engine rates down although many players choose them. The last move of each line is the mistake, the loss is the mean in points of winning chances.
- 1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 f61,008 played, 11.4 points lost
- 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Ne7623 played, 10.5 points lost
- 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 f5572 played, 11.9 points lost
- 1. d4 d5 2. c4 c6 3. Nc3 e6 4. Bg5356 played, 32.5 points lost
- 1. d4 e6 2. c4 c6 3. Nc3 d5 4. Nf3 Nf6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. exf6349 played, 20.7 points lost
- 1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. Nc3 c6 5. e4 Bb4338 played, 12.6 points lost
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Opening names from the Lichess opening database (CC0). A game belongs to the most specific named opening it reaches within 39 half-moves.