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Opening

King's Indian Defense

At 1400–1799 Elo, theory ends around half-move 15. The move that leaves it is a mistake in 10% of cases, 8.3 times as often as a move inside it.

All openings

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 1399
    14
    half-move
    half of the games: 12 to 16
  • 1400–1799
    15
    half-move
    half of the games: 13 to 17
  • 1800+
    17
    half-move
    half of the games: 14 to 19

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 theory2.3%
  • The move that leaves it14.3%
  • After it14.6%

6.3× the risk of a move inside theory

1400–1799

  • Inside theory1.2%
  • The move that leaves it10.4%
  • After it11.0%

8.3× the risk of a move inside theory

1800+

  • Inside theory0.5%
  • The move that leaves it6.1%
  • After it6.7%

13.4× 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. 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. e4 d6 6. e53,648 played, 12.2 points lost
  2. 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. e52,938 played, 13.7 points lost
  3. 1. e4 d6 2. d4 g6 3. c4 Nf6 4. Nc3 Bg7 5. Be3 O-O 6. Bd31,775 played, 12.5 points lost
  4. 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 c61,297 played, 13.5 points lost
  5. 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Bd3 O-O 6. Be3989 played, 10.8 points lost
  6. 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d5942 played, 10.8 points lost

Where does your theory end?

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More openings

Opening names from the Lichess opening database (CC0). A game belongs to the most specific named opening it reaches within 39 half-moves.