Grashhenko Artem

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 15, 2025 (latest changes Aug. 9, 2025).

236 place (175.52).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (454.55 * 2.10 * 0.29 + 565.22 * 2.10 * 0.57 + 254.90 * 3.05 * 0.71 + 0 + 0) / (2.10 * 0.29 + 2.10 * 0.57 + 3.05 * 0.71 + 1 + 1) = 251.94675944317368

p2 = (565.22 * 2.10 * 0.57 + 254.90 * 3.05 * 0.71 + 454.55 * 2.10 * 0.29) / max_coefficients = 99.09671052631579

score = 251.94675944317368 * 0.5 + 99.09671052631579 * 0.5 = 175.52173498474474

Rating changes

Show

all results
Date Place Points Reason
2025-08-09 236 179.27 -> 175.52

Agari Summer Tournament 2024: 86% -> 71%
2025-08-04 236 178.75 -> 179.27
2025-08-03 230 -> 236 178.75
2025-07-30 223 -> 230 191.27 -> 178.75

Seihoku spring tournament 2024: 71% -> 57%
2025-07-26 221 -> 223 191.27
2025-07-25 222 -> 221 191.27
2025-07-13 218 -> 222 191.27
2025-07-12 218 190.19 -> 191.27
2025-07-03 220 -> 218 190.19
2025-06-27 221 -> 220 190.19

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 57% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
3 455 2023-10-22 13/23 29% 2.10 CRR Mushroom League Moscow