Grashhenko Artem
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Nov. 21, 2024 (latest changes Nov. 14, 2024).
154 place (243.23).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (454.55 * 2.10 * 0.86 + 565.22 * 2.10 * 1 + 254.90 * 3.05 * 1 + 0 + 0) / (2.10 * 0.86 + 2.10 * 1 + 3.05 * 1 + 1 + 1) = 310.9025677353181
p2 = (565.22 * 2.10 * 1 + 454.55 * 2.10 * 0.86 + 254.90 * 3.05 * 1) / max_coefficients = 175.55520504731862
score = 310.9025677353181 * 0.5 + 175.55520504731862 * 0.5 = 243.22888639131835
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-05 | 156 -> 154 | 243.23 | |
| 2024-10-22 | 152 -> 156 | 249.86 -> 243.23 |
Mushroom League: 100% -> 86% |
| 2024-10-13 | 143 -> 152 | 251.77 -> 249.86 | |
| 2024-09-15 | 141 -> 143 | 251.77 | |
| 2024-09-03 | 141 | 248.43 -> 251.77 | |
| 2024-09-01 | 129 -> 141 | 253.17 -> 248.43 | |
| 2024-08-26 | 130 -> 129 | 253.17 | |
| 2024-08-22 | 131 -> 130 | 253.17 | |
| 2024-08-20 | 132 -> 131 | 253.17 | |
| 2024-08-11 | 132 | 252.16 -> 253.17 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 255 |
|
39/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
| 2 | 565 |
|
21/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 3 | 455 |
|
13/23 | 86% | 2.10 | CRR | Mushroom League |