chessflex
Baguio · Jul 1978
Karpov 16½–15½ Korchnoi
Karpov won six games to five.
The score gap, game by game: up is Karpov.
The move that cost the match's loser the most, in a game they lost.
Korchnoi v Karpov · 0–1
39. Ra1 by Korchnoi: chances 50% → 0%
The coach: g3 instead (the arrow) — with it, it was about level.
Replay it: Study › Follow a live game › World Championship 1978: Karpov v Korchnoi › Game 17
Each line is White's chances move by move, as the coach saw them; above the middle, White is better. The mark is the costliest move.
18 moves · c4 Nf6 Nc3 e6 · accuracy Korchnoi 95.1, Karpov 95.1
No move cost more than 12%.
29 moves · e4 e5 Nf3 Nc6 · accuracy Karpov 95.4, Korchnoi 95.8
No move cost more than 12%.
30 moves · c4 Nf6 d4 e6 · accuracy Korchnoi 92.2, Karpov 93.1
No move cost more than 12%.
19 moves · e4 e5 Nf3 Nc6 · accuracy Karpov 92.0, Korchnoi 91.7
No move cost more than 12%.
124 moves · c4 Nf6 d4 e6 · accuracy Korchnoi 92.8, Karpov 92.7
Costliest move: 124. Bg7 (Korchnoi, 98% → 50%)
23 moves · c4 e5 Nc3 Nf6 · accuracy Karpov 95.8, Korchnoi 95.5
No move cost more than 12%.
42 moves · d4 Nf6 c4 e6 · accuracy Korchnoi 92.8, Karpov 93.7
No move cost more than 12%.
28 moves · e4 e5 Nf3 Nc6 · accuracy Karpov 93.1, Korchnoi 88.4
Costliest move: 25... Rg7 (Korchnoi, 30% → 6%)
41 moves · c4 Nf6 Nc3 e6 · accuracy Korchnoi 92.5, Karpov 92.4
Costliest move: 39. Qxe3 (Korchnoi, 63% → 50%)
44 moves · e4 e5 Nf3 Nc6 · accuracy Karpov 90.2, Korchnoi 90.1
Costliest move: 41... Ra4 (Korchnoi, 70% → 51%)
50 moves · g3 c5 Bg2 Nc6 · accuracy Korchnoi 94.5, Karpov 92.1
Costliest move: 26... Rxb3 (Karpov, 31% → 17%)
44 moves · e4 e5 Nf3 Nc6 · accuracy Karpov 93.0, Korchnoi 92.4
No move cost more than 12%.
61 moves · c4 Nf6 Nc3 e6 · accuracy Korchnoi 92.2, Karpov 94.2
Costliest move: 56. Qh4 (Korchnoi, 59% → 13%)
50 moves · e4 e5 Nf3 Nc6 · accuracy Karpov 94.8, Korchnoi 92.2
No move cost more than 12%.
25 moves · c4 Nf6 Nc3 e6 · accuracy Korchnoi 93.7, Karpov 93.2
No move cost more than 12%.
42 moves · e4 e6 d4 d5 · accuracy Karpov 92.8, Korchnoi 92.5
No move cost more than 12%.
39 moves · c4 Nf6 Nc3 e6 · accuracy Korchnoi 89.6, Karpov 92.2
Costliest move: 39. Ra1 (Korchnoi, 50% → 0%)
64 moves · e4 d6 d4 Nf6 · accuracy Karpov 94.3, Korchnoi 95.0
Costliest move: 61. Kc6 (Karpov, 43% → 21%)
39 moves · c4 Nf6 g3 e6 · accuracy Korchnoi 91.0, Karpov 91.7
No move cost more than 12%.
63 moves · e4 c6 d4 d5 · accuracy Karpov 90.9, Korchnoi 91.2
Costliest move: 55. Rxh4 (Karpov, 84% → 63%)
60 moves · c4 Nf6 Nc3 e6 · accuracy Korchnoi 92.3, Karpov 89.2
Costliest move: 15. Bc2 (Korchnoi, 70% → 50%)
64 moves · e4 e6 d4 d5 · accuracy Karpov 93.4, Korchnoi 92.5
Costliest move: 57. Bf4 (Karpov, 87% → 73%)
42 moves · c4 Nf6 Nc3 e6 · accuracy Korchnoi 94.6, Karpov 95.0
No move cost more than 12%.
45 moves · e4 e5 Nf3 Nc6 · accuracy Karpov 89.9, Korchnoi 91.2
Costliest move: 38. Rc5 (Karpov, 50% → 26%)
80 moves · c4 Nf6 Nc3 e5 · accuracy Korchnoi 92.2, Karpov 92.7
Costliest move: 78. Ra1 (Korchnoi, 73% → 53%)
27 moves · c4 e5 Nc3 d6 · accuracy Karpov 91.3, Korchnoi 91.5
No move cost more than 12%.
41 moves · c4 Nf6 Nc3 e5 · accuracy Korchnoi 91.5, Karpov 94.9
No move cost more than 12%.
61 moves · e4 e5 Nf3 Nc6 · accuracy Karpov 90.5, Korchnoi 93.1
Costliest move: 45. Re3 (Karpov, 31% → 18%)
79 moves · c4 Nf6 Nc3 e6 · accuracy Korchnoi 90.9, Karpov 90.7
Costliest move: 79. a6 (Korchnoi, 92% → 76%)
41 moves · c4 Nf6 Nc3 d5 · accuracy Karpov 93.3, Korchnoi 93.6
No move cost more than 12%.
71 moves · c4 e6 Nc3 d5 · accuracy Korchnoi 91.6, Karpov 89.3
Costliest move: 49... Re8 (Karpov, 55% → 28%)
41 moves · e4 d6 d4 Nf6 · accuracy Karpov 92.4, Korchnoi 89.3
Costliest move: 35... Rg8 (Korchnoi, 40% → 27%)
Every game of this match is in ChessFlex. Replay it move by move with the coach's three best moves, guess each of Karpov's moves before you see them, ask the coach why, or take the seat at any moment and play it out against the bots.
In the app: Study › Follow a live game › World Championship 1978: Karpov v Korchnoi › Game 1
Part of Study in ChessFlex: one purchase unlocks the coach, Follow a live game and all 53 title matches (on iPhone, try Study free first). Playing the bots is free, with no account and no ads.