Kolpakov Denis
From Perm, Russia
EMA: 15020053
Common russian riichi rating (CRR)
Rating date April 19, 2021 (latest changes April 16, 2021).
66 place (332.65).
how we calculated rating score
max_coefficients = (2.90 * 0.86 + 4.05 * 0.57 + 3.85 * 0.57 + 3.45 * 0.57) = 8.970979999999999
p1 = (987.95 * 4.20 * 0.14 + 333.33 * 3.85 * 0.57 + 567.57 * 4.05 * 0.57 + 0 + 0) / (4.20 * 0.14 + 3.85 * 0.57 + 4.05 * 0.57 + 1 + 1) = 371.0445528967254
p2 = (567.57 * 4.05 * 0.57 + 333.33 * 3.85 * 0.57 + 987.95 * 4.20 * 0.14) / max_coefficients = 294.24878887256466
score = 371.0445528967254 * 0.5 + 294.24878887256466 * 0.5 = 332.646670884645
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2021-04-15 | 63 -> 66 | 348.32 -> 332.65 |
VIII Russian Riichi Championship: 71% -> 57% |
2021-04-03 | 64 -> 63 | 348.32 | |
2021-04-02 | 64 | 346.94 -> 348.32 | |
2021-03-26 | 65 -> 64 | 342.93 -> 346.94 | |
2021-03-24 | 68 -> 65 | 339.03 -> 342.93 | |
2021-03-08 | 70 -> 68 | 333.30 -> 339.03 | |
2021-03-05 | 71 -> 70 | 333.30 | |
2021-03-04 | 60 -> 71 | 381.77 -> 333.30 |
Haru Shanten 2019: 29% -> 14% Aki Shanten 2019: 71% -> 57% |
2021-02-15 | 59 -> 60 | 391.87 -> 381.77 |
VIII Russian Riichi Championship: 86% -> 71% |
2021-02-10 | 50 -> 59 | 437.79 -> 391.87 |
Fuyu Shanten 2019: 14% -> 0% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 568 |
|
49/112 | 57% | 4.05 | EMA | VIII Russian Riichi Championship |
2 | 333 |
|
43/64 | 57% | 3.85 | EMA | Aki Shanten 2019 |
3 | 988 |
|
2/84 | 14% | 4.20 | EMA | Haru Shanten 2019 |
4 | 947 |
|
2/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
5 | 560 |
|
41/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
6 | 889 |
|
4/28 | 0% | 1.70 | RR | Natsu Shanten 2018 |
7 | 676 |
|
24/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
8 | 185 |
|
23/28 | 0% | 1.70 | RR | Fuyu Shanten |
9 | 324 |
|
49/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
10 | 548 |
|
15/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |
11 | 548 |
|
15/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
12 | 444 |
|
16/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
13 | 579 |
|
9/20 | 0% | 1.70 | RR | Plitochka |
14 | 815 |
|
6/28 | 0% | 1.90 | RR | 2 winter riichi mahjong tournament 2015 |
15 | 263 |
|
15/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 |
16 | 455 |
|
31/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |