Tkachenko Ivan
From Sarov, Russia
EMA: 15990417
Common russian riichi rating (CRR)
Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).
150 place (315.12).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55
p1 = (297.87 * 3.10 * 0.86 + 373.49 * 4.20 * 1 + 600 * 3.20 * 1 + 0 + 0) / (3.10 * 0.86 + 4.20 * 1 + 3.20 * 1 + 1 + 1) = 354.990167545685
p2 = (600 * 3.20 * 1 + 373.49 * 4.20 * 1 + 297.87 * 3.10 * 0.86) / max_coefficients = 275.2488745980707
score = 354.990167545685 * 0.5 + 275.2488745980707 * 0.5 = 315.11952107187784
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2020-02-01 | 150 | 315.12 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 600 |
|
15/36 | 100% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
| 2 | 373 |
|
53/84 | 100% | 4.20 | EMA | Haru Shanten 2019 |
| 3 | 298 |
|
34/48 | 86% | 3.10 | RR | Agari team tournament 2019 |