Bogatov Aleksei

From Samara, Russia

Player page

Internal rating (RR)

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

186 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
2025-12-09 187 -> 186 192.36
2025-12-07 183 -> 187 192.36
2025-12-04 170 -> 183 210.07 -> 192.36

Riichi over Volga: 71% -> 57%
2025-11-12 173 -> 170 210.07
2025-11-10 175 -> 173 210.07
2025-11-04 166 -> 175 214.05 -> 210.07
2025-11-01 166 213.73 -> 214.05
2025-10-13 167 -> 166 210.95 -> 213.73
2025-10-04 165 -> 167 228.01 -> 210.95

Riichi over Volga: 86% -> 71%
2025-09-12 167 -> 165 228.01

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