Bogatov Aleksei

From Samara, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 4, 2026 (latest changes Oct. 3, 2026).

350 place (52.94).

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 * 0.57 + 18.18 * 3 * 1 + 0 + 0) / (2.60 * 0.29 + 3.50 * 0.57 + 3 * 1 + 1 + 1) = 70.47652504546205

p2 = (157.14 * 3.50 * 0.57 + 238.10 * 2.60 * 0.29 + 18.18 * 3 * 1) / max_coefficients = 35.41077222582738

score = 70.47652504546205 * 0.5 + 35.41077222582738 * 0.5 = 52.94364863564472

Rating changes

Show

all results
Date Place Points Reason
2026-09-26 349 -> 350 59.65 -> 52.94

Riichi On Ice: 43% -> 29%
2026-09-15 350 -> 349 59.65
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%

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 29% 2.60 RR Riichi On Ice Samara
4 557 2024-08-04 36/80 0% 3.65 RR Riichi over Volga Samara