Bogatov Aleksei

From Samara, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).

199 place (214.05).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3

p1 = (556.96 * 3.65 * 0.71 + 238.10 * 2.60 * 1 + 157.14 * 3.50 * 1 + 0 + 0) / (3.65 * 0.71 + 2.60 * 1 + 3.50 * 1 + 1 + 1) = 244.8036110297795

p2 = (556.96 * 3.65 * 0.71 + 238.10 * 2.60 * 1 + 157.14 * 3.50 * 1) / max_coefficients = 183.29790209790207

score = 244.8036110297795 * 0.5 + 183.29790209790207 * 0.5 = 214.05075656384076

Rating changes

Show

all results
Date Place Points Reason
2025-11-01 199 213.73 -> 214.05
2025-10-22 200 -> 199 213.73
2025-10-13 201 -> 200 210.95 -> 213.73
2025-10-09 202 -> 201 210.95
2025-10-04 196 -> 202 228.01 -> 210.95

Riichi over Volga: 86% -> 71%
2025-09-30 197 -> 196 228.01
2025-09-15 198 -> 197 228.01
2025-09-12 200 -> 198 228.01
2025-09-03 206 -> 200 228.01
2025-09-01 207 -> 206 225.42 -> 228.01

Tournaments

# Base rank Date Place Power Coefficient Type 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 71% 3.65 RR Riichi over Volga Samara