Bogatova Anna

From Samara, Russia

Player page

Internal rating (RR)

Rating date May 27, 2026 (latest changes May 26, 2026).

117 place (349.48).

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 * 0.57 + 328.57 * 3.50 * 0.86 + 581.82 * 3 * 1 + 0) / (3.65 * 0.29 + 2.60 * 0.57 + 3.50 * 0.86 + 3 * 1 + 1) = 425.76452555257794

p2 = (581.82 * 3 * 1 + 785.71 * 2.60 * 0.57 + 328.57 * 3.50 * 0.86 + 151.90 * 3.65 * 0.29) / max_coefficients = 273.18585858585857

score = 425.76452555257794 * 0.5 + 273.18585858585857 * 0.5 = 349.4751920692182

Rating changes

Show

all results
Date Place Points Reason
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
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

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 29% 3.65 RR Riichi over Volga Samara