Grebnev Grigorii
From Saint Petersburg, Russia
Internal rating (RR)
Rating date June 9, 2024 (latest changes June 9, 2024).
98 place (288.98).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
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 = 214.66948051948054
score = 363.28681318681316 * 0.5 + 214.66948051948054 * 0.5 = 288.9781468531469
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-06-09 | 88 -> 98 | 288.98 | |
| 2024-05-12 | 66 -> 88 | 309.78 -> 288.98 | |
| 2024-05-06 | 66 | 306.87 -> 309.78 | |
| 2024-04-12 | 67 -> 66 | 306.87 | |
| 2024-03-30 | 67 | 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 |