Grigoryan Andrey
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date July 6, 2023 (latest changes July 6, 2023).
109 place (260.09).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (538.46 * 1.80 * 1 + 548.39 * 1.80 * 1 + 360 * 3.45 * 0.43 + 43.48 * 1.40 * 1 + 0) / (1.80 * 1 + 1.80 * 1 + 3.45 * 0.43 + 1.40 * 1 + 1) = 340.90553534251416
p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 1 + 360 * 3.45 * 0.43 + 43.48 * 1.40 * 1) / max_coefficients = 179.27531712215273
score = 340.90553534251416 * 0.5 + 179.27531712215273 * 0.5 = 260.09042623233347
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-07-06 | 110 -> 109 | 260.09 | |
2023-07-03 | 111 -> 110 | 260.09 | |
2023-06-19 | 111 | 260.09 |
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 | 100% | 1.80 | CRR | Sun tournament | Saint Petersburg |
4 | 360 |
|
49/76 | 43% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |