Kolpakov Denis
From Perm, Russia
EMA: 15020053
Common russian riichi rating (CRR)
Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).
38 place (486.60).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75
p1 = (640 * 3.45 * 0.14 + 432.84 * 3.50 * 0.43 + 180.18 * 4.05 * 0.57 + 988.51 * 3.75 * 1 + 146.67 * 4.20 * 1 + 551.40 * 4 * 1) / (3.45 * 0.14 + 3.50 * 0.43 + 4.05 * 0.57 + 3.75 * 1 + 4.20 * 1 + 4 * 1) = 486.56985872478634
p2 = (988.51 * 3.75 * 1 + 551.40 * 4 * 1 + 432.84 * 3.50 * 0.43 + 146.67 * 4.20 * 1) / max_coefficients = 486.631186440678
score = 486.56985872478634 * 0.5 + 486.631186440678 * 0.5 = 486.6005225827322
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-10-12 | 43 -> 38 | 479.81 -> 486.60 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-28 | 44 -> 43 | 482.64 -> 479.81 |
Saint Petersburg Open 2021: 29% -> 14% |
2023-09-20 | 38 -> 44 | 489.26 -> 482.64 |
Tenpai can't buy happiness: 57% -> 43% |
2023-09-03 | 43 -> 38 | 442.53 -> 489.26 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-27 | 42 -> 43 | 442.53 | |
2023-08-26 | 43 -> 42 | 442.53 | |
2023-08-12 | 49 -> 43 | 428.61 -> 442.53 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 42 -> 49 | 442.89 -> 428.61 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 43 -> 42 | 450.16 -> 442.89 |
Tenpai can't buy happiness: 71% -> 57% |
2023-07-06 | 45 -> 43 | 450.16 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 551 |
|
49/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 989 |
|
2/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 147 |
|
65/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
4 | 180 |
|
92/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |
5 | 433 |
|
39/68 | 43% | 3.50 | RR | Tenpai can't buy happiness |
6 | 640 |
|
28/76 | 14% | 3.45 | RR | Saint Petersburg Open 2021 |
7 | 568 |
|
49/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
8 | 333 |
|
43/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
9 | 988 |
|
2/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
10 | 947 |
|
2/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
11 | 560 |
|
41/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
12 | 889 |
|
4/28 | 0% | 1.70 | RR | Natsu Shanten 2018 |
13 | 676 |
|
24/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
14 | 185 |
|
23/28 | 0% | 1.70 | RR | Fuyu Shanten |
15 | 324 |
|
49/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
16 | 548 |
|
15/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |
17 | 548 |
|
15/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
18 | 444 |
|
16/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
19 | 579 |
|
9/20 | 0% | 1.70 | RR | Plitochka |
20 | 815 |
|
6/28 | 0% | 1.90 | RR | 2 winter riichi mahjong tournament 2015 |
21 | 263 |
|
15/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 |
22 | 455 |
|
31/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |