@2
An error (?) is a move that worsens the game state from a draw to a loss,
or from a win back to a draw.
A blunder or double error (??) is a move that worsens the game state from a win to a loss.
Sinquefield Saint-Louis Statistics
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Statistics from the 2022 Sinquefield Cup
The 9th Sinquefield Cup at Saint Louis 2022 was an invitational round robin tournament with:
Carlsen (2861), Nepomniachtchi (2792), Firouzja (2778), So (2771), Aronian (2759), Caruana (2758), Vachier-Lagrave (2757), Mamedyarov (2757), Dominguez Perez (2745), Niemann (2688).
Carlsen withdrew after 3 rounds:
a win from Nepomniachtchi, a draw with Aronian, and a loss to Niemann.
His games have been striken from the tournament, but included here.
The play-off is excluded here.
The shortest game counted 25 moves, the longest 92.
The earliest novelty was on move 5, the latest on move 27.
That gives an effective game length between 10 and 71 moves.
average standard deviation minimum maximum
Length 48 15 25 92
Novelty 15 4 5 27
Length after novelty 33 15 10 71
1. e4 was played most and most successfully
The response 1...e5 was played most and most successfully
games draws white wins black wins
total 39 26 9 4
1. e4 21 14 5 2
1. e4 e5 14 9 3 2
1. e4 c5 7 5 2 0
1. d4, 1. c4, 1. Nf3 18 12 4 2
Most played were: Najdorf Sicilian, Petrov Defence, Giuoco Piano Italian, Ruy Lopez Berlin.
ECO games Opening
B90 5 Najdorf
C42 4 Petrov
C54 3 Giuoco Piano
C67 3 Berlin
D27 2 Queen's Gambit Accepted
E04 2 Catalan
A21 2 English
A20, A28, A34, B30, B45, C43, C50, C65, C83,
D35, D38, D50, D73, E05, E11, E20, E32, E35 were played once.
55% of games reached an endgame with 1 piece per side, and 33% of those were rook endings.
Total 38
Middle games 17
Endgames 21
R vs. R 7
Q vs. Q 4
B vs. B 4
B vs. N 3
R vs. B 2
P vs. P 1
On average there were 0.55 errors / game.
Errors Games
0 23
1 12
2 3
3 1