Grigoryan Andrey
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Sept. 1, 2023 (latest changes Sept. 1, 2023).
114 place (247.83).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999
p1 = (43.48 * 1.40 * 1 + 360 * 3.45 * 0.29 + 538.46 * 1.80 * 0.86 + 548.39 * 1.80 * 1 + 0) / (1.40 * 1 + 3.45 * 0.29 + 1.80 * 0.86 + 1.80 * 1 + 1) = 331.9548573258754
p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 0.86 + 360 * 3.45 * 0.29 + 43.48 * 1.40 * 1) / max_coefficients = 163.71427953630146
score = 331.9548573258754 * 0.5 + 163.71427953630146 * 0.5 = 247.83456843108843
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-01 | 114 | 247.83 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 43 |
|
23/24 | 100% | 1.40 | CRR | Fire cup 2023 | Saint Petersburg | |
| 2 | 548 |
|
15/32 | 100% | 1.80 | CRR | Earth cup | Saint Petersburg | |
| 3 | 538 |
|
19/40 | 86% | 1.80 | CRR | Sun tournament | Saint Petersburg | |
| 4 | 360 |
|
49/76 | 29% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |