Grigoryan Andrey
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Nov. 9, 2023 (latest changes Nov. 9, 2023).
133 place (228.15).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002
p1 = (360 * 3.45 * 0.14 + 538.46 * 1.80 * 0.71 + 548.39 * 1.80 * 1 + 43.48 * 1.40 * 1 + 0) / (3.45 * 0.14 + 1.80 * 0.71 + 1.80 * 1 + 1.40 * 1 + 1) = 320.7646420778943
p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 0.71 + 360 * 3.45 * 0.14 + 43.48 * 1.40 * 1) / max_coefficients = 135.53317286014945
score = 320.7646420778943 * 0.5 + 135.53317286014945 * 0.5 = 228.14890746902188
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-11-06 | 133 | 228.15 |
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 | 71% | 1.80 | CRR | Sun tournament | Saint Petersburg | |
| 4 | 360 |
|
49/76 | 14% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |