Grashhenko Artem

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

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

230 place (178.75).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35

p1 = (454.55 * 2.10 * 0.29 + 565.22 * 2.10 * 0.57 + 254.90 * 3.05 * 0.86 + 0 + 0) / (2.10 * 0.29 + 2.10 * 0.57 + 3.05 * 0.86 + 1 + 1) = 252.1474291264588

p2 = (565.22 * 2.10 * 0.57 + 254.90 * 3.05 * 0.86 + 454.55 * 2.10 * 0.29) / max_coefficients = 105.36091205211726

score = 252.1474291264588 * 0.5 + 105.36091205211726 * 0.5 = 178.75417058928804

Rating changes

Show

all results
Date Place Points Reason
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
2025-06-25 222 -> 221 190.19
2025-06-22 216 -> 222 198.58 -> 190.19

Mushroom League: 43% -> 29%
2025-06-15 207 -> 216 200.40 -> 198.58

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 255 2024-06-09 39/52 86% 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