Grishin Aleksei

From Penza, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 31, 2026 (latest changes July 29, 2026).

160 place (343.35).

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

p1 = (666.67 * 2.90 * 1 + 417.72 * 3.65 * 0.14 + 333.33 * 2.60 * 0.43 + 114.29 * 3.50 * 0.71 + 650 * 1.50 * 1 + 327.27 * 3 * 1) / (2.90 * 1 + 3.65 * 0.14 + 2.60 * 0.43 + 3.50 * 0.71 + 1.50 * 1 + 3 * 1) = 413.0723010888961

p2 = (666.67 * 2.90 * 1 + 327.27 * 3 * 1 + 650 * 1.50 * 1 + 333.33 * 2.60 * 0.43) / max_coefficients = 273.63361373458906

score = 413.0723010888961 * 0.5 + 273.63361373458906 * 0.5 = 343.3529574117426

Rating changes

Show

all results
Date Place Points Reason
2026-07-26 158 -> 160 346.08 -> 343.35

Riichi On Ice: 57% -> 43%
2026-07-23 159 -> 158 346.08
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

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 43% 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