Bogatova Anna

From Samara, Russia

Player page

Internal rating (RR)

Rating date June 16, 2026 (latest changes June 15, 2026).

135 place (348.51).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (151.90 * 3.65 * 0.14 + 785.71 * 2.60 * 0.57 + 328.57 * 3.50 * 0.86 + 581.82 * 3 * 1 + 0) / (3.65 * 0.14 + 2.60 * 0.57 + 3.50 * 0.86 + 3 * 1 + 1) = 441.6128432371219

p2 = (581.82 * 3 * 1 + 785.71 * 2.60 * 0.57 + 328.57 * 3.50 * 0.86 + 151.90 * 3.65 * 0.14) / max_coefficients = 255.40079015751144

score = 441.6128432371219 * 0.5 + 255.40079015751144 * 0.5 = 348.5068166973167

Rating changes

Show

all results
Date Place Points Reason
2026-06-15 135 343.88 -> 348.51
2026-06-14 109 -> 135 354.73 -> 343.88
2026-06-13 110 -> 109 354.73
2026-06-09 113 -> 110 354.73
2026-06-04 116 -> 113 349.48 -> 354.73

Riichi over Volga: 29% -> 14%
2026-06-02 117 -> 116 349.48
2026-05-26 109 -> 117 366.06 -> 349.48

Riichi On Ice: 71% -> 57%
2026-05-17 108 -> 109 366.06
2026-05-14 109 -> 108 366.06
2026-05-12 113 -> 109 366.06

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 86% 3.50 RR Riichi over The Volga 2025 Samara
3 786 2025-01-26 10/43 57% 2.60 RR Riichi On Ice Samara
4 152 2024-08-04 68/80 14% 3.65 RR Riichi over Volga Samara