Grishin Aleksei

From Penza, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 17, 2026 (latest changes May 17, 2026).

143 place (350.61).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (417.72 * 3.65 * 0.29 + 333.33 * 2.60 * 0.71 + 114.29 * 3.50 * 0.86 + 650 * 1.50 * 1 + 327.27 * 3 * 1 + 666.67 * 2.90 * 1) / (3.65 * 0.29 + 2.60 * 0.71 + 3.50 * 0.86 + 1.50 * 1 + 3 * 1 + 2.90 * 1) = 397.5726014646046

p2 = (666.67 * 2.90 * 1 + 327.27 * 3 * 1 + 650 * 1.50 * 1 + 333.33 * 2.60 * 0.71) / max_coefficients = 303.65050505050505

score = 397.5726014646046 * 0.5 + 303.65050505050505 * 0.5 = 350.6115532575548

Rating changes

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all results
Date Place Points Reason
2026-05-17 144 -> 143 350.61
2026-05-14 145 -> 144 350.61
2026-05-12 148 -> 145 350.61
2026-05-11 146 -> 148 350.61
2026-05-05 147 -> 146 350.61
2026-05-03 215 -> 147 257.21 -> 350.61

Riichi over The Volga 2025: 100% -> 86%

Sturgeon in tempai: 0% -> 100%
2026-05-01 219 -> 215 257.21
2026-04-27 220 -> 219 257.21
2026-04-19 208 -> 220 257.21
2026-04-16 207 -> 208 257.21

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 86% 3.50 RR Riichi over The Volga 2025 Samara
5 333 2025-01-26 29/43 71% 2.60 RR Riichi On Ice Samara
6 418 2024-08-04 47/80 29% 3.65 RR Riichi over Volga Samara
7 870 2019-03-09 4/24 0% 2.50 RR Toi-Toi-man Tournament Kirov