Grebnev Grigorii
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date July 20, 2023 (latest changes July 20, 2023).
146 place (127.15).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
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 = 80.61173222757064
score = 173.69696969696972 * 0.5 + 80.61173222757064 * 0.5 = 127.15435096227017
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-07-20 | 147 -> 146 | 127.15 | |
2023-07-06 | 148 -> 147 | 127.15 | |
2023-07-03 | 149 -> 148 | 127.15 | |
2023-06-12 | 149 | 125.58 -> 127.15 | |
2023-06-11 | 134 -> 149 | 129.15 -> 125.58 | |
2023-05-20 | 134 | 127.65 -> 129.15 | |
2023-05-05 | 135 -> 134 | 127.65 | |
2023-05-01 | 133 -> 135 | 127.65 | |
2023-04-22 | 130 -> 133 | 127.65 | |
2023-03-20 | 130 | 126.24 -> 127.65 |
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 |