Bogatov Aleksei

From Samara, Russia

Player page

Internal rating (RR)

Rating date Sept. 5, 2025 (latest changes Sept. 3, 2025).

167 place (228.01).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (556.96 * 3.65 * 0.86 + 238.10 * 2.60 * 1 + 157.14 * 3.50 * 1 + 0 + 0) / (3.65 * 0.86 + 2.60 * 1 + 3.50 * 1 + 1 + 1) = 259.29394308991965

p2 = (556.96 * 3.65 * 0.86 + 238.10 * 2.60 * 1 + 157.14 * 3.50 * 1) / max_coefficients = 196.72027027027028

score = 259.29394308991965 * 0.5 + 196.72027027027028 * 0.5 = 228.00710668009498

Rating changes

Show

all results
Date Place Points Reason
2025-09-03 173 -> 167 228.01
2025-09-01 173 225.42 -> 228.01
2025-08-31 170 -> 173 225.42
2025-08-04 164 -> 170 240.55 -> 225.42

Riichi over Volga: 100% -> 86%
2025-08-03 158 -> 164 240.55
2025-07-30 161 -> 158 240.55
2025-07-13 159 -> 161 240.55
2025-07-12 160 -> 159 238.60 -> 240.55
2025-07-03 161 -> 160 238.60
2025-06-15 148 -> 161 241.63 -> 238.60

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 86% 3.65 RR Riichi over Volga Samara