Bogatova Anna

From Samara, Russia

Player page

Internal rating (RR)

Rating date Nov. 7, 2026 (latest changes Nov. 7, 2026).

154 place (289.44).

max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91

p1 = (785.71 * 2.60 * 0.29 + 328.57 * 3.50 * 0.43 + 581.82 * 3 * 1 + 0 + 0) / (2.60 * 0.29 + 3.50 * 0.43 + 3 * 1 + 1 + 1) = 389.6191038973232

p2 = (581.82 * 3 * 1 + 785.71 * 2.60 * 0.29 + 328.57 * 3.50 * 0.43) / max_coefficients = 189.26760563380282

score = 389.6191038973232 * 0.5 + 189.26760563380282 * 0.5 = 289.443354765563

Rating changes

Show

all results
Date Place Points Reason
2026-11-07 155 -> 154 289.44
2026-11-04 156 -> 155 286.37 -> 289.44
2026-11-03 154 -> 156 289.73 -> 286.37

Riichi over The Volga 2025: 57% -> 43%
2026-11-02 156 -> 154 289.73
2026-10-31 151 -> 156 289.73
2026-10-16 152 -> 151 289.73
2026-10-13 156 -> 152 289.73
2026-09-26 150 -> 156 308.36 -> 289.73

Riichi On Ice: 43% -> 29%
2026-09-06 145 -> 150 308.36
2026-09-03 146 -> 145 311.50 -> 308.36

Riichi over The Volga 2025: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 582 2026-01-25 24/56 100% 3.00 RR Riichi On Ice 2026 Samara
2 329 2025-05-03 48/71 43% 3.50 RR Riichi over The Volga 2025 Samara
3 786 2025-01-26 10/43 29% 2.60 RR Riichi On Ice Samara
4 152 2024-08-04 68/80 0% 3.65 RR Riichi over Volga Samara