Grebnev Grigorii
From Saint Petersburg, Russia
Internal rating (RR)
Rating date May 3, 2024 (latest changes April 12, 2024).
67 place (306.87).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988
p1 = (700.93 * 4 * 1 + 239.13 * 2.10 * 1 + 0 + 0 + 0) / (4 * 1 + 2.10 * 1 + 1 + 1 + 1) = 363.28681318681316
p2 = (700.93 * 4 * 1 + 239.13 * 2.10 * 1) / max_coefficients = 250.45000409094627
score = 363.28681318681316 * 0.5 + 250.45000409094627 * 0.5 = 306.8684086388797
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-12 | 68 -> 67 | 306.87 | |
| 2024-03-30 | 68 | 306.87 |
Seihoku spring tournament 2024: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 239 |
|
36/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 2 | 701 |
|
33/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |