Maniakhin Petr
From Saint Petersburg, Russia
EMA: 15990315
Internal rating (RR)
Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).
117 place (347.45).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55
p1 = (516.13 * 2.70 * 0.14 + 408.45 * 3.55 * 0.43 + 304.35 * 2.50 * 0.57 + 256.41 * 2.90 * 0.86 + 512.82 * 2.90 * 1 + 476.19 * 3.45 * 1) / (2.70 * 0.14 + 3.55 * 0.43 + 2.50 * 0.57 + 2.90 * 0.86 + 2.90 * 1 + 3.45 * 1) = 412.6657054007534
p2 = (476.19 * 3.45 * 1 + 512.82 * 2.90 * 1 + 256.41 * 2.90 * 0.86 + 408.45 * 3.55 * 0.43) / max_coefficients = 282.2405144694534
score = 412.6657054007534 * 0.5 + 282.2405144694534 * 0.5 = 347.4531099351034
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2020-02-01 | 117 | 347.45 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 476 |
|
34/64 | 100% | 3.45 | EMA | Saint Petersburg Open 2019 |
2 | 513 |
|
20/40 | 100% | 2.90 | RR | Summer Cup 2019 |
3 | 256 |
|
30/40 | 86% | 2.90 | RR | North Cup 2018 |
4 | 304 |
|
17/24 | 57% | 2.50 | RR | West cup 2018 |
5 | 408 |
|
43/72 | 43% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
6 | 516 |
|
16/32 | 14% | 2.70 | RR | East Cup 2018 |
7 | 60 |
|
79/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |