Grashhenko Artem

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).

275 place (90.99).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (565.22 * 2.10 * 0.29 + 254.90 * 3.05 * 0.43 + 0 + 0 + 0) / (2.10 * 0.29 + 3.05 * 0.43 + 1 + 1 + 1) = 137.00888490381482

p2 = (565.22 * 2.10 * 0.29 + 254.90 * 3.05 * 0.43) / max_coefficients = 44.971906354515056

score = 137.00888490381482 * 0.5 + 44.971906354515056 * 0.5 = 90.99039562916494

Rating changes

Show

all results
Date Place Points Reason
2025-12-09 272 -> 275 99.51 -> 90.99

Agari Summer Tournament 2024: 57% -> 43%
2025-12-07 269 -> 272 99.51
2025-12-06 263 -> 269 99.51
2025-11-30 259 -> 263 116.31 -> 99.51

Seihoku spring tournament 2024: 43% -> 29%
2025-11-25 260 -> 259 116.31
2025-11-15 261 -> 260 116.31
2025-11-04 253 -> 261 117.76 -> 116.31
2025-11-01 254 -> 253 117.65 -> 117.76
2025-10-22 243 -> 254 148.15 -> 117.65

Mushroom League: 14% -> 0%
2025-10-13 243 147.00 -> 148.15

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 255 2024-06-09 39/52 43% 3.05 RR Agari Summer Tournament 2024 Moscow
2 565 2024-03-30 21/47 29% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
3 455 2023-10-22 13/23 0% 2.10 CRR Mushroom League Moscow