Bogatova Anna

From Samara, Russia

Player page

Internal rating (RR)

Rating date April 4, 2026 (latest changes April 4, 2026).

115 place (367.91).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (151.90 * 3.65 * 0.29 + 785.71 * 2.60 * 0.71 + 328.57 * 3.50 * 1 + 581.82 * 3 * 1 + 0) / (3.65 * 0.29 + 2.60 * 0.71 + 3.50 * 1 + 3 * 1 + 1) = 433.9487028106291

p2 = (581.82 * 3 * 1 + 785.71 * 2.60 * 0.71 + 328.57 * 3.50 * 1 + 151.90 * 3.65 * 0.29) / max_coefficients = 301.87692307692305

score = 433.9487028106291 * 0.5 + 301.87692307692305 * 0.5 = 367.9128129437761

Rating changes

Show

all results
Date Place Points Reason
2026-04-04 116 -> 115 363.83 -> 367.91

Riichi over Volga: 43% -> 29%
2026-03-26 112 -> 116 379.59 -> 363.83

Riichi On Ice: 86% -> 71%
2026-03-12 113 -> 112 379.59
2026-03-10 114 -> 113 379.59
2026-03-02 115 -> 114 379.59
2026-03-01 116 -> 115 379.59
2026-02-23 111 -> 116 379.59
2026-02-13 112 -> 111 379.59
2026-02-08 108 -> 112 379.59
2026-02-04 109 -> 108 376.05 -> 379.59

Riichi over Volga: 57% -> 43%

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 48/71 100% 3.50 RR Riichi over The Volga 2025 Samara
3 786 2025-01-26 10/43 71% 2.60 RR Riichi On Ice Samara
4 152 2024-08-04 68/80 29% 3.65 RR Riichi over Volga Samara