Grishin Aleksei

From Penza, Russia

Player page

Internal rating (RR)

Rating date May 23, 2026 (latest changes May 17, 2026).

130 place (316.41).

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 + 327.27 * 3 * 1 + 666.67 * 2.90 * 1) / (3.65 * 0.29 + 2.60 * 0.71 + 3.50 * 0.86 + 3 * 1 + 2.90 * 1) = 365.48392413961716

p2 = (666.67 * 2.90 * 1 + 327.27 * 3 * 1 + 333.33 * 2.60 * 0.71 + 417.72 * 3.65 * 0.29) / max_coefficients = 267.3272727272727

score = 365.48392413961716 * 0.5 + 267.3272727272727 * 0.5 = 316.40559843344494

Rating changes

Show

all results
Date Place Points Reason
2026-05-17 128 -> 130 316.41
2026-05-14 129 -> 128 316.41
2026-05-12 134 -> 129 316.41
2026-05-03 192 -> 134 198.63 -> 316.41

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

Sturgeon in tempai: 0% -> 100%
2026-05-01 194 -> 192 198.63
2026-04-19 190 -> 194 198.63
2026-04-16 191 -> 190 198.63
2026-04-11 188 -> 191 198.63
2026-04-05 182 -> 188 198.63
2026-04-04 179 -> 182 210.29 -> 198.63

Riichi over Volga: 43% -> 29%

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