Kosolapov Nikita
From Kirov, Russia
EMA: 15990426
Common russian riichi rating (CRR)
Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).
71 place (493.45).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55
p1 = (736.84 * 2.10 * 1 + 782.61 * 2.50 * 1 + 409.64 * 4.20 * 1 + 200 * 3.20 * 1 + 148.15 * 2.60 * 1 + 825.40 * 3.85 * 1 + 153.15 * 4.05 * 1) / (2.10 * 1 + 2.50 * 1 + 4.20 * 1 + 3.20 * 1 + 2.60 * 1 + 3.85 * 1 + 4.05 * 1) = 446.56044444444444
p2 = (825.40 * 3.85 * 1 + 782.61 * 2.50 * 1 + 409.64 * 4.20 * 1 + 736.84 * 2.10 * 1) / max_coefficients = 540.331189710611
score = 446.56044444444444 * 0.5 + 540.331189710611 * 0.5 = 493.44581707752775
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2020-02-01 | 71 | 493.45 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 153 |  | 95/112 | 100% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 2 | 825 |  | 12/64 | 100% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 3 | 148 |  | 24/28 | 100% | 2.60 | RR | And yet the sinner collects tanyao | Kirov | |
| 4 | 200 |  | 29/36 | 100% | 3.20 | RR | Moscow Open Riichi Marathon 2019 | Moscow | |
| 5 | 410 |  | 50/84 | 100% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 6 | 783 |  | 6/24 | 100% | 2.50 | RR | Toi-Toi-man Tournament | Kirov | |
| 7 | 737 |  | 6/20 | 100% | 2.10 | RR | Fuyu Shanten 2019 | Perm |