Kolpakov Denis
From Perm, Russia
EMA: 15020053
Common russian riichi rating (CRR)
Rating date Feb. 25, 2023 (latest changes Feb. 25, 2023).
85 place (298.35).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55
p1 = (640 * 3.45 * 0.71 + 432.84 * 3.50 * 1 + 180.18 * 4.05 * 1 + 146.67 * 4.20 * 1 + 0) / (3.45 * 0.71 + 3.50 * 1 + 4.05 * 1 + 4.20 * 1 + 1) = 291.6874119046281
p2 = (640 * 3.45 * 0.71 + 432.84 * 3.50 * 1 + 180.18 * 4.05 * 1 + 146.67 * 4.20 * 1) / max_coefficients = 305.0054982817869
score = 291.6874119046281 * 0.5 + 305.0054982817869 * 0.5 = 298.3464550932075
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-02-25 | 79 -> 85 | 298.35 | |
2023-01-28 | 76 -> 79 | 312.90 -> 298.35 |
Saint Petersburg Open 2021: 86% -> 71% |
2023-01-14 | 74 -> 76 | 312.90 | |
2023-01-03 | 76 -> 74 | 312.90 | |
2022-12-19 | 77 -> 76 | 311.34 -> 312.90 | |
2022-12-18 | 76 -> 77 | 311.34 | |
2022-12-03 | 48 -> 76 | 437.79 -> 311.34 | |
2021-02-01 | 27 -> 48 | 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 | 71% | 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 |