Grishin Aleksei

From Penza, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 8, 2026 (latest changes Feb. 8, 2026).

181 place (280.35).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (417.72 * 3.65 * 0.43 + 333.33 * 2.60 * 0.86 + 114.29 * 3.50 * 1 + 695.65 * 1.60 * 1 + 327.27 * 3 * 1) / (3.65 * 0.43 + 2.60 * 0.86 + 3.50 * 1 + 1.60 * 1 + 3 * 1) = 327.18482113202475

p2 = (695.65 * 1.60 * 1 + 327.27 * 3 * 1 + 333.33 * 2.60 * 0.86 + 417.72 * 3.65 * 0.43) / max_coefficients = 233.5224080267559

score = 327.18482113202475 * 0.5 + 233.5224080267559 * 0.5 = 280.3536145793903

Rating changes

Show

all results
Date Place Points Reason
2026-02-08 179 -> 181 280.35
2026-02-04 174 -> 179 289.54 -> 280.35

Riichi over Volga: 57% -> 43%
2026-02-02 175 -> 174 289.54
2026-01-26 173 -> 175 293.71 -> 289.54

Riichi On Ice: 100% -> 86%
2026-01-25 193 -> 173 259.43 -> 293.71

Riichi On Ice 2026: 0% -> 100%
2026-01-12 194 -> 193 259.43
2026-01-07 193 -> 194 259.43
2026-01-05 194 -> 193 259.43
2026-01-03 193 -> 194 259.43
2025-12-27 190 -> 193 259.43

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 327 2026-01-25 38/56 100% 3.00 RR Riichi On Ice 2026 Samara
2 696 2025-11-22 8/24 100% 1.60 CRR San-Biki Cup Saratov
3 114 2025-05-03 63/71 100% 3.50 RR Riichi over The Volga 2025 Samara
4 333 2025-01-26 29/43 86% 2.60 RR Riichi On Ice Samara
5 418 2024-08-04 47/80 43% 3.65 RR Riichi over Volga Samara
6 870 2019-03-09 4/24 0% 2.50 RR Toi-Toi-man Tournament Kirov