Grishin Aleksei

From Penza, Russia

Player page

Internal rating (RR)

Rating date July 31, 2026 (latest changes July 26, 2026).

156 place (303.52).

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 * 0.43 + 114.29 * 3.50 * 0.71 + 327.27 * 3 * 1 + 666.67 * 2.90 * 1) / (3.65 * 0.14 + 2.60 * 0.43 + 3.50 * 0.71 + 3 * 1 + 2.90 * 1) = 377.66061063203

p2 = (666.67 * 2.90 * 1 + 327.27 * 3 * 1 + 333.33 * 2.60 * 0.43 + 114.29 * 3.50 * 0.71) / max_coefficients = 229.37554698149688

score = 377.66061063203 * 0.5 + 229.37554698149688 * 0.5 = 303.51807880676347

Rating changes

Show

all results
Date Place Points Reason
2026-07-26 156 306.70 -> 303.52

Riichi On Ice: 57% -> 43%
2026-07-25 154 -> 156 306.70
2026-07-18 152 -> 154 306.70
2026-07-14 153 -> 152 306.70
2026-07-12 150 -> 153 306.70
2026-07-07 151 -> 150 306.70
2026-07-03 151 302.54 -> 306.70

Riichi over The Volga 2025: 86% -> 71%
2026-07-01 153 -> 151 302.54
2026-06-16 154 -> 153 302.54
2026-06-15 155 -> 154 298.17 -> 302.54

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
3 114 2025-05-03 63/71 71% 3.50 RR Riichi over The Volga 2025 Samara
4 333 2025-01-26 29/43 43% 2.60 RR Riichi On Ice Samara
5 418 2024-08-04 47/80 14% 3.65 RR Riichi over Volga Samara
6 870 2019-03-09 4/24 0% 2.50 RR Toi-Toi-man Tournament Kirov