Kolpakov Denis
From Perm, Russia
EMA: 15020053
Internal rating (RR)
Rating date June 10, 2023 (latest changes May 30, 2023).
93 place (280.20).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139
p1 = (333.33 * 3.85 * 0.14 + 567.57 * 4.05 * 0.14 + 640 * 3.45 * 0.43 + 432.84 * 3.50 * 0.71 + 180.18 * 4.05 * 1 + 146.67 * 4.20 * 1) / (3.85 * 0.14 + 4.05 * 0.14 + 3.45 * 0.43 + 3.50 * 0.71 + 4.05 * 1 + 4.20 * 1) = 290.92436307937857
p2 = (432.84 * 3.50 * 0.71 + 640 * 3.45 * 0.43 + 180.18 * 4.05 * 1 + 146.67 * 4.20 * 1) / max_coefficients = 269.4740759612152
score = 290.92436307937857 * 0.5 + 269.4740759612152 * 0.5 = 280.1992195202969
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-05-30 | 96 -> 93 | 287.57 -> 280.20 |
VIII Russian Riichi Championship: 29% -> 14% |
2023-05-28 | 92 -> 96 | 303.58 -> 287.57 |
Saint Petersburg Open 2021: 57% -> 43% |
2023-05-20 | 88 -> 92 | 308.21 -> 303.58 |
Tenpai can't buy happiness: 86% -> 71% |
2023-05-06 | 89 -> 88 | 308.21 | |
2023-04-30 | 91 -> 89 | 308.48 -> 308.21 |
Aki Shanten 2019: 29% -> 14% |
2023-04-19 | 94 -> 91 | 305.79 -> 308.48 | |
2023-03-30 | 92 -> 94 | 322.47 -> 305.79 |
VIII Russian Riichi Championship: 43% -> 29% |
2023-03-28 | 88 -> 92 | 335.74 -> 322.47 |
Saint Petersburg Open 2021: 71% -> 57% |
2023-03-20 | 88 | 338.88 -> 335.74 |
Tenpai can't buy happiness: 100% -> 86% |
2023-03-06 | 92 -> 88 | 338.88 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 147 |
|
65/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 180 |
|
92/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
3 | 433 |
|
39/68 | 71% | 3.50 | RR | Tenpai can't buy happiness |
4 | 640 |
|
28/76 | 43% | 3.45 | RR | Saint Petersburg Open 2021 |
5 | 568 |
|
49/112 | 14% | 4.05 | EMA | VIII Russian Riichi Championship |
6 | 333 |
|
43/64 | 14% | 3.85 | EMA | Aki Shanten 2019 |
7 | 988 |
|
2/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
8 | 947 |
|
2/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
9 | 560 |
|
41/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
10 | 889 |
|
4/28 | 0% | 1.70 | RR | Natsu Shanten 2018 |
11 | 676 |
|
24/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
12 | 185 |
|
23/28 | 0% | 1.70 | RR | Fuyu Shanten |
13 | 324 |
|
49/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
14 | 548 |
|
15/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |
15 | 548 |
|
15/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
16 | 444 |
|
16/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
17 | 579 |
|
9/20 | 0% | 1.70 | RR | Plitochka |
18 | 815 |
|
6/28 | 0% | 1.90 | RR | 2 winter riichi mahjong tournament 2015 |
19 | 263 |
|
15/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 |
20 | 455 |
|
31/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |