Kolpakov Denis

From Perm, Russia

EMA: 15020053

Player page

Common russian riichi rating (CRR)

Rating date Oct. 2, 2023 (latest changes Oct. 2, 2023).

43 place (479.81).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (640 * 3.45 * 0.14 + 432.84 * 3.50 * 0.43 + 180.18 * 4.05 * 0.71 + 146.67 * 4.20 * 1 + 988.51 * 3.75 * 1 + 551.40 * 4 * 1) / (3.45 * 0.14 + 3.50 * 0.43 + 4.05 * 0.71 + 4.20 * 1 + 3.75 * 1 + 4 * 1) = 476.03768586637455

p2 = (988.51 * 3.75 * 1 + 551.40 * 4 * 1 + 432.84 * 3.50 * 0.43 + 146.67 * 4.20 * 1) / max_coefficients = 483.5849292406512

score = 476.03768586637455 * 0.5 + 483.5849292406512 * 0.5 = 479.81130755351285

Rating changes

Show

all results
Date Place Points Reason
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%
2023-09-01 48 -> 43 437.79 -> 442.53
2021-02-01 27 -> 48 655.50 -> 437.79
2020-02-01 27 655.50

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 551 2023-09-03 49/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 989 2023-06-11 🥈 2/88 100% 3.75 RR Money can not buy tenpai Perm
3 147 2022-11-06 65/76 100% 4.20 RR IX Russian Riichi Championship Perm
4 180 2022-06-12 92/112 71% 4.05 RR Moscow Riichi 2022 Moscow
5 433 2022-03-20 39/68 43% 3.50 RR Tenpai can't buy happiness Perm
6 640 2021-11-28 28/76 14% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
7 568 2019-12-15 49/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
8 333 2019-11-04 43/64 0% 3.85 EMA Aki Shanten 2019 Perm
9 988 2019-05-04 🥈 2/84 0% 4.20 EMA Haru Shanten 2019 Perm
10 947 2019-02-10 🥈 2/20 0% 2.10 RR Fuyu Shanten 2019 Perm
11 560 2018-11-18 41/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
12 889 2018-08-11 4/28 0% 1.70 RR Natsu Shanten 2018 Perm
13 676 2018-05-01 24/72 0% 3.85 EMA Haru Shanten 2018 Perm
14 185 2018-02-17 23/28 0% 1.70 RR Fuyu Shanten Perm
15 324 2017-11-12 49/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
16 548 2017-06-03 15/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017 Perm
17 548 2017-04-16 15/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017 Chelyabinsk
18 444 2017-03-25 16/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017 Perm
19 579 2015-09-27 9/20 0% 1.70 RR Plitochka Tyumen
20 815 2015-02-22 6/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015 Yekaterinburg
21 263 2014-10-25 15/20 0% 1.30 RR Autumn riichi mahjong tournament 2014 Yekaterinburg
22 455 2013-05-19 31/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013 Moscow