Grishin Aleksei

From Penza, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 21, 2026 (latest changes Sept. 17, 2026).

163 place (351.80).

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

p1 = (333.33 * 2.60 * 0.43 + 114.29 * 3.50 * 0.57 + 650 * 1.50 * 1 + 327.27 * 3 * 1 + 666.67 * 2.90 * 1) / (2.60 * 0.43 + 3.50 * 0.57 + 1.50 * 1 + 3 * 1 + 2.90 * 1) = 427.05430529585533

p2 = (666.67 * 2.90 * 1 + 327.27 * 3 * 1 + 650 * 1.50 * 1 + 333.33 * 2.60 * 0.43) / max_coefficients = 276.5476963011032

score = 427.05430529585533 * 0.5 + 276.5476963011032 * 0.5 = 351.80100079847927

Rating changes

Show

all results
Date Place Points Reason
2026-09-15 164 -> 163 351.80
2026-09-13 165 -> 164 351.80
2026-09-06 160 -> 165 351.80
2026-09-03 165 -> 160 344.70 -> 351.80

Riichi over The Volga 2025: 71% -> 57%
2026-08-31 166 -> 165 344.25 -> 344.70
2026-08-30 163 -> 166 344.25
2026-08-16 157 -> 163 344.25
2026-08-15 157 343.24 -> 344.25
2026-08-13 158 -> 157 343.24
2026-08-04 161 -> 158 343.35 -> 343.24

Riichi over Volga: 14% -> 0%

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 57% 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 0% 3.65 RR Riichi over Volga Samara
7 870 2019-03-09 4/24 0% 2.50 RR Toi-Toi-man Tournament Kirov