chessflex
Germany & Netherlands · Sep 1929
Alekhine 15½–9½ Bogoljubov
Alekhine won 15½–9½.
The score gap, game by game: up is Alekhine.
The move that cost the match's loser the most, in a game they lost.
Bogoljubov v Alekhine · 0–1
44. Rxf7 by Bogoljubov: chances 36% → 2%
The coach: a5 instead (the arrow) — with it, Bogoljubov was slightly worse.
Replay it: Study › Follow a live game › World Championship 1929: Alekhine v Bogoljubov › Game 10
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.
26 moves · d4 d5 c4 c6 · accuracy Alekhine 93.6, Bogoljubov 87.8
Costliest move: 12... a6 (Bogoljubov, 37% → 24%)
51 moves · d4 Nf6 c4 e6 · accuracy Bogoljubov 91.2, Alekhine 93.5
Costliest move: 45... Re4 (Alekhine, 77% → 53%)
70 moves · d4 d5 c4 c6 · accuracy Alekhine 91.4, Bogoljubov 92.0
Costliest move: 45... Kd8 (Bogoljubov, 39% → 22%)
38 moves · d4 Nf6 c4 e6 · accuracy Bogoljubov 95.4, Alekhine 91.6
Costliest move: 23... e4 (Alekhine, 31% → 17%)
48 moves · d4 d5 c4 c6 · accuracy Alekhine 95.0, Bogoljubov 91.6
Costliest move: 40... Rb6 (Bogoljubov, 16% → 4%)
48 moves · d4 Nf6 c4 e6 · accuracy Bogoljubov 92.6, Alekhine 89.8
Costliest move: 11... Ne7 (Alekhine, 59% → 42%)
35 moves · d4 Nf6 c4 g6 · accuracy Alekhine 90.3, Bogoljubov 86.4
Costliest move: 34... Kg8 (Bogoljubov, 22% → 5%)
30 moves · d4 Nf6 c4 b6 · accuracy Bogoljubov 88.1, Alekhine 92.6
Costliest move: 26. Kh1 (Bogoljubov, 35% → 4%)
30 moves · d4 d5 c4 c6 · accuracy Alekhine 93.9, Bogoljubov 94.7
No move cost more than 12%.
50 moves · d4 d5 c4 c6 · accuracy Bogoljubov 87.5, Alekhine 90.7
Costliest move: 44. Rxf7 (Bogoljubov, 36% → 2%)
63 moves · d4 Nf6 c4 c6 · accuracy Alekhine 87.8, Bogoljubov 87.7
Costliest move: 21. Rb1 (Alekhine, 55% → 37%)
56 moves · d4 d5 c4 c6 · accuracy Bogoljubov 88.9, Alekhine 91.0
Costliest move: 54. Rd7 (Bogoljubov, 24% → 6%)
34 moves · d4 d5 c4 c6 · accuracy Alekhine 88.1, Bogoljubov 91.9
Costliest move: 31. Bxa4 (Alekhine, 44% → 15%)
71 moves · d4 d5 c4 c6 · accuracy Bogoljubov 95.3, Alekhine 92.8
Costliest move: 59... Bf8 (Alekhine, 16% → 4%)
44 moves · d4 Nf6 c4 g6 · accuracy Alekhine 93.5, Bogoljubov 93.8
No move cost more than 12%.
60 moves · d4 d5 c4 c6 · accuracy Bogoljubov 92.3, Alekhine 94.5
No move cost more than 12%.
34 moves · d4 Nf6 c4 g6 · accuracy Alekhine 89.1, Bogoljubov 85.8
Costliest move: 28... Kb8 (Bogoljubov, 56% → 24%)
51 moves · e4 e6 d4 d5 · accuracy Bogoljubov 92.0, Alekhine 91.3
Costliest move: 19. g4 (Bogoljubov, 58% → 46%)
77 moves · d4 Nf6 c4 c6 · accuracy Alekhine 90.9, Bogoljubov 89.5
Costliest move: 40. Re6 (Alekhine, 98% → 74%)
48 moves · e4 e5 Nf3 Nc6 · accuracy Bogoljubov 90.0, Alekhine 90.8
Costliest move: 37. Qh6+ (Bogoljubov, 72% → 44%)
49 moves · d4 Nf6 c4 e6 · accuracy Alekhine 94.5, Bogoljubov 91.6
Costliest move: 17... Bxe3 (Bogoljubov, 43% → 29%)
39 moves · e4 e5 Nf3 Nc6 · accuracy Bogoljubov 91.4, Alekhine 94.6
Costliest move: 37. Nf3 (Bogoljubov, 29% → 0%)
83 moves · d4 d5 c4 c6 · accuracy Alekhine 90.2, Bogoljubov 90.2
Costliest move: 77. Ra1 (Alekhine, 42% → 19%)
38 moves · e4 e6 d4 d5 · accuracy Bogoljubov 91.7, Alekhine 91.6
No move cost more than 12%.
55 moves · d4 Nf6 c4 c6 · accuracy Alekhine 89.1, Bogoljubov 89.2
Costliest move: 35... Qxa2 (Bogoljubov, 46% → 26%)
Every game of this match is in ChessFlex. Replay it move by move with the coach's three best moves, guess each of Alekhine'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 1929: Alekhine v Bogoljubov › 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.