Bogatov Aleksei

From Samara, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).

226 place (192.36).

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

p1 = (556.96 * 3.65 * 0.57 + 238.10 * 2.60 * 1 + 157.14 * 3.50 * 1 + 0 + 0) / (3.65 * 0.57 + 2.60 * 1 + 3.50 * 1 + 1 + 1) = 228.81889253564586

p2 = (556.96 * 3.65 * 0.57 + 238.10 * 2.60 * 1 + 157.14 * 3.50 * 1) / max_coefficients = 155.89698996655517

score = 228.81889253564586 * 0.5 + 155.89698996655517 * 0.5 = 192.3579412511005

Rating changes

Show

all results
Date Place Points Reason
2025-12-07 222 -> 226 192.36
2025-12-06 220 -> 222 192.36
2025-12-04 205 -> 220 210.07 -> 192.36

Riichi over Volga: 71% -> 57%
2025-11-22 203 -> 205 210.07
2025-11-19 204 -> 203 210.07
2025-11-12 207 -> 204 210.07
2025-11-05 208 -> 207 210.07
2025-11-04 199 -> 208 214.05 -> 210.07
2025-11-01 199 213.73 -> 214.05
2025-10-22 200 -> 199 213.73

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 157 2025-05-03 60/71 100% 3.50 RR Riichi over The Volga 2025 Samara
2 238 2025-01-26 33/43 100% 2.60 RR Riichi On Ice Samara
3 557 2024-08-04 36/80 57% 3.65 RR Riichi over Volga Samara