Bogatov Aleksei

From Samara, Russia

Player page

Internal rating (RR)

Rating date Nov. 3, 2026 (latest changes Nov. 3, 2026).

253 place (47.41).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (238.10 * 2.60 * 0.29 + 157.14 * 3.50 * 0.43 + 18.18 * 3 * 1 + 0 + 0) / (2.60 * 0.29 + 3.50 * 0.43 + 3 * 1 + 1 + 1) = 64.49608721344431

p2 = (157.14 * 3.50 * 0.43 + 238.10 * 2.60 * 0.29 + 18.18 * 3 * 1) / max_coefficients = 30.314081765087607

score = 64.49608721344431 * 0.5 + 30.314081765087607 * 0.5 = 47.40508448926596

Rating changes

Show

all results
Date Place Points Reason
2026-11-03 253 52.94 -> 47.41

Riichi over The Volga 2025: 57% -> 43%
2026-10-31 250 -> 253 52.94
2026-10-13 259 -> 250 52.94
2026-09-26 259 59.65 -> 52.94

Riichi On Ice: 43% -> 29%
2026-09-06 254 -> 259 59.65
2026-09-03 253 -> 254 64.49 -> 59.65

Riichi over The Volga 2025: 71% -> 57%
2026-09-01 257 -> 253 64.49
2026-08-31 257 64.42 -> 64.49
2026-08-16 251 -> 257 64.42
2026-08-15 252 -> 251 64.25 -> 64.42

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 43% 3.50 RR Riichi over The Volga 2025 Samara
3 238 2025-01-26 33/43 29% 2.60 RR Riichi On Ice Samara
4 557 2024-08-04 36/80 0% 3.65 RR Riichi over Volga Samara