Grebnev Grigorii
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Sept. 1, 2023 (latest changes Sept. 1, 2023).
155 place (124.01).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999
p1 = (282.05 * 1.80 * 0.86 + 354.84 * 1.80 * 1 + 0 + 0 + 0) / (1.80 * 0.86 + 1.80 * 1 + 1 + 1 + 1) = 169.30273476299033
p2 = (354.84 * 1.80 * 1 + 282.05 * 1.80 * 0.86) / max_coefficients = 78.71118452324889
score = 169.30273476299033 * 0.5 + 78.71118452324889 * 0.5 = 124.00695964311961
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-01 | 155 | 124.01 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 355 |
|
21/32 | 100% | 1.80 | CRR | Earth cup | Saint Petersburg | |
| 2 | 282 |
|
29/40 | 86% | 1.80 | CRR | Sun tournament | Saint Petersburg |