Sychev Ivan
From Saint Petersburg, Russia
EMA: 15990298
Common russian riichi rating (CRR)
Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).
30 place (646.36).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55
p1 = (419.35 * 2.70 * 0.14 + 957.75 * 3.55 * 0.43 + 565.22 * 2.50 * 0.57 + 615.38 * 2.90 * 0.86 + 666.67 * 3.45 * 1 + 855.86 * 4.05 * 1) / (2.70 * 0.14 + 3.55 * 0.43 + 2.50 * 0.57 + 2.90 * 0.86 + 3.45 * 1 + 4.05 * 1) = 729.8199520322488
p2 = (855.86 * 4.05 * 1 + 666.67 * 3.45 * 1 + 615.38 * 2.90 * 0.86 + 957.75 * 3.55 * 0.43) / max_coefficients = 562.8971061093247
score = 729.8199520322488 * 0.5 + 562.8971061093247 * 0.5 = 646.3585290707867
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2020-02-01 | 30 | 646.36 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 856 |
|
17/112 | 100% | 4.05 | EMA | VIII Russian Riichi Championship |
2 | 667 |
|
22/64 | 100% | 3.45 | EMA | Saint Petersburg Open 2019 |
3 | 615 |
|
16/40 | 86% | 2.90 | RR | North Cup 2018 |
4 | 565 |
|
11/24 | 57% | 2.50 | RR | West cup 2018 |
5 | 958 |
|
4/72 | 43% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
6 | 419 |
|
19/32 | 14% | 2.70 | RR | East Cup 2018 |
7 | 940 |
|
6/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
8 | 821 |
|
8/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
9 | 103 |
|
36/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
10 | 744 |
|
12/44 | 0% | 1.90 | RR | Saint Petersburg championship. South cup 2017 |
11 | 620 |
|
28/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
12 | 613 |
|
13/32 | 0% | 1.60 | RR | Tournament of 4 winds. West cup 2016 |