Bogatova Anna

From Samara, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 24, 2026 (latest changes May 23, 2026).

120 place (399.21).

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 + 400 * 1.50 * 1 + 581.82 * 3 * 1) / (3.65 * 0.29 + 2.60 * 0.71 + 3.50 * 0.86 + 1.50 * 1 + 3 * 1) = 475.84697257216106

p2 = (581.82 * 3 * 1 + 785.71 * 2.60 * 0.71 + 328.57 * 3.50 * 0.86 + 400 * 1.50 * 1) / max_coefficients = 322.58114478114476

score = 475.84697257216106 * 0.5 + 322.58114478114476 * 0.5 = 399.21405867665294

Rating changes

Show

all results
Date Place Points Reason
2026-05-23 121 -> 120 399.21
2026-05-17 119 -> 121 399.21
2026-05-15 120 -> 119 399.21
2026-05-12 122 -> 120 399.21
2026-05-11 120 -> 122 399.21
2026-05-03 121 -> 120 400.25 -> 399.21

Riichi over The Volga 2025: 100% -> 86%
2026-05-01 122 -> 121 400.25
2026-04-27 123 -> 122 400.25
2026-04-19 118 -> 123 400.25
2026-04-11 117 -> 118 400.25

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
2 400 2025-11-22 13/21 100% 1.50 CRR San-Biki Cup Saratov
3 329 2025-05-03 48/71 86% 3.50 RR Riichi over The Volga 2025 Samara
4 786 2025-01-26 10/43 71% 2.60 RR Riichi On Ice Samara
5 152 2024-08-04 68/80 29% 3.65 RR Riichi over Volga Samara