Grigoryan Andrey
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date May 1, 2023 (latest changes May 1, 2023).
99 place (268.09).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (360 * 3.45 * 0.57 + 538.46 * 1.80 * 1 + 548.39 * 1.80 * 1 + 43.48 * 1.40 * 1 + 0) / (3.45 * 0.57 + 1.80 * 1 + 1.80 * 1 + 1.40 * 1 + 1) = 342.0859505251946
p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 1 + 360 * 3.45 * 0.57 + 43.48 * 1.40 * 1) / max_coefficients = 194.08605785826893
score = 342.0859505251946 * 0.5 + 194.08605785826893 * 0.5 = 268.0860041917318
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-05-01 | 96 -> 99 | 268.09 | |
2023-04-22 | 93 -> 96 | 270.94 -> 268.09 |
Fire cup 2023: 0% -> 100% |
2023-03-28 | 93 | 277.49 -> 270.94 |
Saint Petersburg Open 2021: 71% -> 57% |
2023-03-20 | 93 | 274.01 -> 277.49 | |
2023-03-06 | 95 -> 93 | 274.01 | |
2023-03-05 | 96 -> 95 | 274.01 | |
2023-02-25 | 110 -> 96 | 191.57 -> 274.01 |
Earth cup: 0% -> 100% |
2023-01-28 | 108 -> 110 | 200.23 -> 191.57 |
Saint Petersburg Open 2021: 86% -> 71% |
2023-01-14 | 106 -> 108 | 200.23 | |
2023-01-05 | 107 -> 106 | 200.23 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 43 |
|
23/24 | 100% | 1.40 | CRR | Fire cup 2023 |
2 | 548 |
|
15/32 | 100% | 1.80 | CRR | Earth cup |
3 | 538 |
|
19/40 | 100% | 1.80 | CRR | Sun tournament |
4 | 360 |
|
49/76 | 57% | 3.45 | RR | Saint Petersburg Open 2021 |