Grigoryan Andrey
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date March 9, 2024 (latest changes March 9, 2024).
139 place (166.37).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988
p1 = (538.46 * 1.80 * 0.43 + 548.39 * 1.80 * 0.86 + 43.48 * 1.40 * 1 + 0 + 0) / (1.80 * 0.43 + 1.80 * 0.86 + 1.40 * 1 + 1 + 1) = 231.407041331686
p2 = (548.39 * 1.80 * 0.86 + 538.46 * 1.80 * 0.43 + 43.48 * 1.40 * 1) / max_coefficients = 101.32813481809794
score = 231.407041331686 * 0.5 + 101.32813481809794 * 0.5 = 166.36758807489196
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-03-06 | 139 | 164.14 -> 166.37 | |
2024-02-27 | 138 -> 139 | 175.82 -> 164.14 |
Sun tournament: 57% -> 43% |
2024-02-25 | 133 -> 138 | 187.26 -> 175.82 |
Earth cup: 100% -> 86% |
2024-02-20 | 134 -> 133 | 187.26 | |
2024-02-12 | 136 -> 134 | 187.26 | |
2024-01-20 | 137 -> 136 | 187.26 | |
2024-01-06 | 137 | 184.79 -> 187.26 | |
2024-01-05 | 138 -> 137 | 184.79 | |
2023-12-27 | 136 -> 138 | 195.23 -> 184.79 |
Sun tournament: 71% -> 57% |
2023-12-19 | 141 -> 136 | 195.23 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 43 |
|
23/24 | 100% | 1.40 | CRR | Fire cup 2023 |
2 | 548 |
|
15/32 | 86% | 1.80 | CRR | Earth cup |
3 | 538 |
|
19/40 | 43% | 1.80 | CRR | Sun tournament |
4 | 360 |
|
49/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |