Bogatov Aleksei

From Samara, Russia

Player page

Internal rating (RR)

Rating date July 5, 2026 (latest changes July 3, 2026).

236 place (99.21).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (556.96 * 3.65 * 0.14 + 238.10 * 2.60 * 0.57 + 157.14 * 3.50 * 0.71 + 18.18 * 3 * 1 + 0) / (3.65 * 0.14 + 2.60 * 0.57 + 3.50 * 0.71 + 3 * 1 + 1) = 128.31840983158534

p2 = (157.14 * 3.50 * 0.71 + 238.10 * 2.60 * 0.57 + 556.96 * 3.65 * 0.14 + 18.18 * 3 * 1) / max_coefficients = 70.0932509144985

score = 128.31840983158534 * 0.5 + 70.0932509144985 * 0.5 = 99.20583037304192

Rating changes

Show

all results
Date Place Points Reason
2026-07-03 235 -> 236 102.53 -> 99.21

Riichi over The Volga 2025: 86% -> 71%
2026-06-15 235 101.16 -> 102.53
2026-06-14 219 -> 235 104.36 -> 101.16
2026-06-13 220 -> 219 104.36
2026-06-09 223 -> 220 104.36
2026-06-04 220 -> 223 125.81 -> 104.36

Riichi over Volga: 29% -> 14%
2026-05-26 219 -> 220 130.38 -> 125.81

Riichi On Ice: 71% -> 57%
2026-05-17 218 -> 219 130.38
2026-05-14 219 -> 218 130.38
2026-05-12 227 -> 219 130.38

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 18 2026-01-25 55/56 100% 3.00 RR Riichi On Ice 2026 Samara
2 157 2025-05-03 60/71 71% 3.50 RR Riichi over The Volga 2025 Samara
3 238 2025-01-26 33/43 57% 2.60 RR Riichi On Ice Samara
4 557 2024-08-04 36/80 14% 3.65 RR Riichi over Volga Samara