Grishin Aleksei

From Penza, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 21, 2026 (latest changes July 18, 2026).

159 place (346.08).

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

p1 = (417.72 * 3.65 * 0.14 + 333.33 * 2.60 * 0.57 + 114.29 * 3.50 * 0.71 + 650 * 1.50 * 1 + 327.27 * 3 * 1 + 666.67 * 2.90 * 1) / (3.65 * 0.14 + 2.60 * 0.57 + 3.50 * 0.71 + 1.50 * 1 + 3 * 1 + 2.90 * 1) = 410.5859653027246

p2 = (666.67 * 2.90 * 1 + 327.27 * 3 * 1 + 650 * 1.50 * 1 + 333.33 * 2.60 * 0.57) / max_coefficients = 281.58013523726237

score = 410.5859653027246 * 0.5 + 281.58013523726237 * 0.5 = 346.08305026999346

Rating changes

Show

all results
Date Place Points Reason
2026-07-18 158 -> 159 346.08
2026-07-17 159 -> 158 346.08
2026-07-14 160 -> 159 346.08
2026-07-12 157 -> 160 346.08
2026-07-11 156 -> 157 346.08
2026-07-03 162 -> 156 340.12 -> 346.08

Riichi over The Volga 2025: 86% -> 71%
2026-06-26 163 -> 162 340.12
2026-06-16 164 -> 163 340.12
2026-06-15 165 -> 164 335.01 -> 340.12
2026-06-14 145 -> 165 346.98 -> 335.01

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 667 2026-05-03 15/43 100% 2.90 RR Sturgeon in tempai Saratov
2 327 2026-01-25 38/56 100% 3.00 RR Riichi On Ice 2026 Samara
3 650 2025-11-22 8/21 100% 1.50 CRR San-Biki Cup Saratov
4 114 2025-05-03 63/71 71% 3.50 RR Riichi over The Volga 2025 Samara
5 333 2025-01-26 29/43 57% 2.60 RR Riichi On Ice Samara
6 418 2024-08-04 47/80 14% 3.65 RR Riichi over Volga Samara
7 870 2019-03-09 4/24 0% 2.50 RR Toi-Toi-man Tournament Kirov