Kolpakov Denis
From Perm, Russia
EMA: 15020053
Internal rating (RR)
Rating date Jan. 6, 2023 (latest changes Jan. 6, 2023).
70 place (312.90).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995
p1 = (640 * 3.45 * 0.86 + 432.84 * 3.50 * 1 + 180.18 * 4.05 * 1 + 146.67 * 4.20 * 1 + 0) / (3.45 * 0.86 + 3.50 * 1 + 4.05 * 1 + 4.20 * 1 + 1) = 302.6129441054766
p2 = (640 * 3.45 * 0.86 + 432.84 * 3.50 * 1 + 180.18 * 4.05 * 1 + 146.67 * 4.20 * 1) / max_coefficients = 323.1890675151518
score = 302.6129441054766 * 0.5 + 323.1890675151518 * 0.5 = 312.9010058103142
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-12-19 | 71 -> 70 | 311.34 -> 312.90 | |
2022-11-28 | 70 -> 71 | 323.17 -> 311.34 |
Saint Petersburg Open 2021: 100% -> 86% |
2022-11-06 | 53 -> 70 | 326.94 -> 323.17 |
IX Russian Riichi Championship: 0% -> 100% |
2022-10-14 | 46 -> 53 | 437.79 -> 326.94 | |
2021-02-01 | 27 -> 46 | 655.50 -> 437.79 | |
2020-02-01 | 27 | 655.50 |
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 | 100% | 3.50 | RR | Tenpai can't buy happiness |
4 | 640 |
|
28/76 | 86% | 3.45 | RR | Saint Petersburg Open 2021 |
5 | 568 |
|
49/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
6 | 333 |
|
43/64 | 0% | 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 |