Grebnev Grigorii
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date March 20, 2023 (latest changes March 20, 2023).
131 place (127.65).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (282.05 * 1.80 * 1 + 354.84 * 1.80 * 1 + 0 + 0 + 0) / (1.80 * 1 + 1.80 * 1 + 1 + 1 + 1) = 173.69696969696972
p2 = (354.84 * 1.80 * 1 + 282.05 * 1.80 * 1) / max_coefficients = 81.59517717271004
score = 173.69696969696972 * 0.5 + 81.59517717271004 * 0.5 = 127.64607343483988
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-03-20 | 131 | 126.24 -> 127.65 | |
| 2023-03-05 | 132 -> 131 | 126.24 | |
| 2023-02-25 | 132 | 126.24 |
Earth cup: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 355 |
|
21/32 | 100% | 1.80 | CRR | Earth cup |
| 2 | 282 |
|
29/40 | 100% | 1.80 | CRR | Sun tournament |