Kosolapov Nikita
From Kirov, Russia
EMA: 15990426
Common russian riichi rating (CRR)
Rating date Dec. 6, 2022 (latest changes Dec. 6, 2022).
78 place (306.63).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 1) = 14.85
p1 = (466.67 * 1.20 * 1 + 836.36 * 3.30 * 0.86 + 0 + 0 + 0) / (1.20 * 1 + 3.30 * 0.86 + 1 + 1 + 1) = 416.2522782470623
p2 = (836.36 * 3.30 * 0.86 + 466.67 * 1.20 * 1) / max_coefficients = 197.010101010101
score = 416.2522782470623 * 0.5 + 197.010101010101 * 0.5 = 306.63118962858164
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-12-03 | 41 -> 78 | 485.77 -> 306.63 | |
| 2021-02-01 | 71 -> 41 | 493.45 -> 485.77 | |
| 2020-02-01 | 71 | 493.45 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 467 |
|
9/16 | 100% | 1.20 | CRR | I still can declare riichi |
| 2 | 836 |
|
10/56 | 86% | 3.30 | RR | Kirov Tournament |
| 3 | 821 |
|
8/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
| 4 | 153 |
|
95/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 5 | 825 |
|
12/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
| 6 | 148 |
|
24/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
| 7 | 200 |
|
29/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
| 8 | 410 |
|
50/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
| 9 | 783 |
|
6/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
| 10 | 737 |
|
6/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |