Grashhenko Artem

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 30, 2025 (latest changes Sept. 30, 2025).

241 place (152.15).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (454.55 * 2.10 * 0.14 + 565.22 * 2.10 * 0.43 + 254.90 * 3.05 * 0.71 + 0 + 0) / (2.10 * 0.14 + 2.10 * 0.43 + 3.05 * 0.71 + 1 + 1) = 223.1850619984327

p2 = (254.90 * 3.05 * 0.71 + 565.22 * 2.10 * 0.43 + 454.55 * 2.10 * 0.14) / max_coefficients = 81.11216216216216

score = 223.1850619984327 * 0.5 + 81.11216216216216 * 0.5 = 152.14861208029743

Rating changes

Show

all results
Date Place Points Reason
2025-09-30 235 -> 241 166.91 -> 152.15

Seihoku spring tournament 2024: 57% -> 43%
2025-09-19 236 -> 235 166.91
2025-09-15 238 -> 236 166.91
2025-09-03 246 -> 238 166.91
2025-09-01 246 165.69 -> 166.91
2025-08-31 241 -> 246 165.69
2025-08-25 243 -> 241 165.69
2025-08-22 236 -> 243 175.52 -> 165.69

Mushroom League: 29% -> 14%
2025-08-09 236 179.27 -> 175.52

Agari Summer Tournament 2024: 86% -> 71%
2025-08-04 236 178.75 -> 179.27

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 255 2024-06-09 39/52 71% 3.05 RR Agari Summer Tournament 2024 Moscow
2 565 2024-03-30 21/47 43% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
3 455 2023-10-22 13/23 14% 2.10 CRR Mushroom League Moscow