chessflex
Moscow · Mar 1958
Botvinnik 12½–10½ Smyslov
Botvinnik won 12½–10½.
The score gap, game by game: up is Botvinnik.
The move that cost the match's loser the most, in a game they lost.
Botvinnik v Smyslov · 1–0
26... Rde8 by Smyslov: chances 99% → 63%
The coach: Rd2 instead (the arrow) — with it, Smyslov was clearly better.
Replay it: Study › Follow a live game › World Championship 1958: Botvinnik v Smyslov › Game 18
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.
62 moves · e4 c6 Nc3 d5 · accuracy Smyslov 89.2, Botvinnik 91.0
Costliest move: 47... g5 (Botvinnik, 92% → 77%)
41 moves · d4 Nf6 c4 g6 · accuracy Botvinnik 91.3, Smyslov 88.9
Costliest move: 40... d4 (Smyslov, 28% → 9%)
66 moves · e4 c6 Nc3 d5 · accuracy Smyslov 90.4, Botvinnik 91.7
Costliest move: 28. Ne5 (Smyslov, 58% → 33%)
82 moves · d4 Nf6 c4 g6 · accuracy Botvinnik 93.2, Smyslov 94.9
Costliest move: 28. Nb1 (Botvinnik, 42% → 30%)
41 moves · e4 c5 Nf3 Nc6 · accuracy Smyslov 93.2, Botvinnik 89.1
Costliest move: 40... Kc5 (Botvinnik, 19% → 0%)
49 moves · c4 g6 e4 Bg7 · accuracy Botvinnik 90.3, Smyslov 88.8
No move cost more than 12%.
16 moves · e4 c5 Nf3 Nc6 · accuracy Smyslov 89.7, Botvinnik 90.9
No move cost more than 12%.
41 moves · c4 Nf6 Nc3 e5 · accuracy Botvinnik 91.3, Smyslov 90.5
Costliest move: 12... Qf6 (Smyslov, 38% → 25%)
40 moves · e4 c5 Nf3 Nc6 · accuracy Smyslov 92.3, Botvinnik 92.1
No move cost more than 12%.
44 moves · c4 Nf6 Nc3 d5 · accuracy Botvinnik 92.9, Smyslov 93.3
No move cost more than 12%.
24 moves · d4 Nf6 c4 g6 · accuracy Smyslov 95.1, Botvinnik 91.5
Costliest move: 21... c5 (Botvinnik, 42% → 27%)
41 moves · c4 Nf6 g3 c6 · accuracy Botvinnik 91.3, Smyslov 89.8
Costliest move: 38... Ne3 (Smyslov, 42% → 26%)
41 moves · d4 d5 c4 c6 · accuracy Smyslov 93.7, Botvinnik 95.0
No move cost more than 12%.
68 moves · c4 Nf6 Nc3 d5 · accuracy Botvinnik 92.3, Smyslov 90.8
Costliest move: 62... Rb2+ (Smyslov, 32% → 4%)
55 moves · e4 c6 d4 d5 · accuracy Smyslov 90.6, Botvinnik 91.5
Costliest move: 22... Qf6 (Botvinnik, 69% → 55%)
36 moves · c4 Nf6 Nc3 d5 · accuracy Botvinnik 95.4, Smyslov 93.0
Costliest move: 18. Ne5 (Botvinnik, 63% → 50%)
49 moves · e4 c6 Nc3 d5 · accuracy Smyslov 93.0, Botvinnik 93.4
No move cost more than 12%.
74 moves · c4 Nf6 Nc3 d5 · accuracy Botvinnik 91.5, Smyslov 90.1
Costliest move: 26. Qg5 (Botvinnik, 44% → 1%)
35 moves · e4 c6 Nc3 d5 · accuracy Smyslov 92.8, Botvinnik 89.1
Costliest move: 30... Nd5 (Botvinnik, 22% → 7%)
48 moves · c4 c5 Nf3 f5 · accuracy Botvinnik 92.3, Smyslov 92.3
Costliest move: 2... f5 (Smyslov, 46% → 34%)
23 moves · e4 c5 Nf3 Nc6 · accuracy Smyslov 93.2, Botvinnik 95.7
No move cost more than 12%.
38 moves · d4 f5 g3 Nf6 · accuracy Botvinnik 88.9, Smyslov 92.6
Costliest move: 35. Qf3 (Botvinnik, 50% → 19%)
41 moves · Nf3 Nf6 g3 g6 · accuracy Smyslov 89.1, Botvinnik 90.3
Costliest move: 17... bxc5 (Botvinnik, 64% → 47%)
Every game of this match is in ChessFlex. Replay it move by move with the coach's three best moves, guess each of Botvinnik'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 1958: Botvinnik v Smyslov › 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.