Kosolapov Nikita
From Kirov, Russia
EMA: 15990426
Internal rating (RR)
Rating date April 28, 2025 (latest changes April 27, 2025).
151 place (248.64).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (482.76 * 3.75 * 0.14 + 607.48 * 4.60 * 1 + 37.97 * 3.65 * 1 + 0 + 0) / (3.75 * 0.14 + 4.60 * 1 + 3.65 * 1 + 1 + 1) = 295.9147959715832
p2 = (607.48 * 4.60 * 1 + 482.76 * 3.75 * 0.14 + 37.97 * 3.65 * 1) / max_coefficients = 201.36908517350156
score = 295.9147959715832 * 0.5 + 201.36908517350156 * 0.5 = 248.64194057254238
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-04-26 | 149 -> 151 | 248.64 | |
2025-04-11 | 141 -> 149 | 261.22 -> 248.64 |
Money can not buy tenpai: 29% -> 14% |
2025-03-03 | 142 -> 141 | 261.22 | |
2025-03-02 | 137 -> 142 | 261.22 | |
2025-02-16 | 129 -> 137 | 261.22 | |
2025-02-11 | 130 -> 129 | 273.40 -> 261.22 |
Money can not buy tenpai: 43% -> 29% |
2025-02-02 | 123 -> 130 | 273.40 | |
2025-01-26 | 117 -> 123 | 273.40 | |
2025-01-07 | 113 -> 117 | 273.40 | |
2025-01-03 | 114 -> 113 | 273.40 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
---|---|---|---|---|---|---|---|---|
1 | 38 |
|
77/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |
2 | 607 |
|
43/108 | 100% | 4.60 | RR | X Russian Championship | Perm |
3 | 483 |
|
46/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm |
4 | 836 |
|
10/56 | 0% | 3.30 | RR | Kirov Tournament | Kirov |
5 | 821 |
|
8/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai | Kirov |
6 | 153 |
|
95/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow |
7 | 825 |
|
12/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm |
8 | 148 |
|
24/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao | Kirov |
9 | 200 |
|
29/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 | Moscow |
10 | 410 |
|
50/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm |
11 | 783 |
|
6/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament | Kirov |
12 | 737 |
|
6/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 | Perm |