Bogatova Anna

From Samara, Russia

Player page

Internal rating (RR)

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

113 place (366.06).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (151.90 * 3.65 * 0.29 + 785.71 * 2.60 * 0.71 + 328.57 * 3.50 * 0.86 + 581.82 * 3 * 1 + 0) / (3.65 * 0.29 + 2.60 * 0.71 + 3.50 * 0.86 + 3 * 1 + 1) = 439.272977781953

p2 = (581.82 * 3 * 1 + 785.71 * 2.60 * 0.71 + 328.57 * 3.50 * 0.86 + 151.90 * 3.65 * 0.29) / max_coefficients = 292.843771043771

score = 439.272977781953 * 0.5 + 292.843771043771 * 0.5 = 366.058374412862

Rating changes

Show

all results
Date Place Points Reason
2026-05-07 114 -> 113 366.06
2026-05-03 112 -> 114 367.91 -> 366.06

Riichi over The Volga 2025: 100% -> 86%
2026-05-01 114 -> 112 367.91
2026-04-26 115 -> 114 367.91
2026-04-19 114 -> 115 367.91
2026-04-16 115 -> 114 367.91
2026-04-11 114 -> 115 367.91
2026-04-05 115 -> 114 367.91
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%

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 71% 2.60 RR Riichi On Ice Samara
4 152 2024-08-04 68/80 29% 3.65 RR Riichi over Volga Samara