Bogatov Aleksei

From Samara, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 13, 2026 (latest changes Sept. 13, 2026).

350 place (59.65).

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

p1 = (238.10 * 2.60 * 0.43 + 157.14 * 3.50 * 0.57 + 18.18 * 3 * 1 + 0 + 0) / (2.60 * 0.43 + 3.50 * 0.57 + 3 * 1 + 1 + 1) = 78.15130400061126

p2 = (157.14 * 3.50 * 0.57 + 238.10 * 2.60 * 0.43 + 18.18 * 3 * 1) / max_coefficients = 41.1512005191434

score = 78.15130400061126 * 0.5 + 41.1512005191434 * 0.5 = 59.65125225987733

Rating changes

Show

all results
Date Place Points Reason
2026-09-06 344 -> 350 59.65
2026-09-03 343 -> 344 64.49 -> 59.65

Riichi over The Volga 2025: 71% -> 57%
2026-09-01 348 -> 343 64.49
2026-08-31 348 64.42 -> 64.49
2026-08-30 346 -> 348 64.42
2026-08-16 344 -> 346 64.42
2026-08-15 344 64.25 -> 64.42
2026-08-04 338 -> 344 93.86 -> 64.25

Riichi over Volga: 14% -> 0%
2026-08-02 327 -> 338 93.86
2026-07-26 325 -> 327 99.21 -> 93.86

Riichi On Ice: 57% -> 43%

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 57% 3.50 RR Riichi over The Volga 2025 Samara
3 238 2025-01-26 33/43 43% 2.60 RR Riichi On Ice Samara
4 557 2024-08-04 36/80 0% 3.65 RR Riichi over Volga Samara