Kolpakov Denis

From Perm, Russia

EMA: 15020053

Player page

Common russian riichi rating (CRR)

Rating date Sept. 5, 2023 (latest changes Sept. 5, 2023).

39 place (489.26).

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

p1 = (640 * 3.45 * 0.29 + 432.84 * 3.50 * 0.57 + 180.18 * 4.05 * 0.71 + 146.67 * 4.20 * 1 + 988.51 * 3.75 * 1 + 551.40 * 4 * 1) / (3.45 * 0.29 + 3.50 * 0.57 + 4.05 * 0.71 + 4.20 * 1 + 3.75 * 1 + 4 * 1) = 479.35774670639347

p2 = (988.51 * 3.75 * 1 + 551.40 * 4 * 1 + 432.84 * 3.50 * 0.57 + 640 * 3.45 * 0.29) / max_coefficients = 499.1586895161766

score = 479.35774670639347 * 0.5 + 499.1586895161766 * 0.5 = 489.25821811128503

Rating changes

Show

all results
Date Place Points Reason
2023-09-03 44 -> 39 442.53 -> 489.26

SPB Riichi Open 2023: 0% -> 100%
2023-08-27 43 -> 44 442.53
2023-08-26 44 -> 43 442.53
2023-08-12 50 -> 44 428.61 -> 442.53

Moscow Riichi 2022: 86% -> 71%
2023-07-28 43 -> 50 442.89 -> 428.61

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 44 -> 43 450.16 -> 442.89

Tenpai can't buy happiness: 71% -> 57%
2023-07-06 46 -> 44 450.16
2023-07-03 47 -> 46 450.16
2023-06-19 49 -> 47 450.16
2023-06-12 48 -> 49 439.99 -> 450.16

Moscow Riichi 2022: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 551 2023-09-03 49/108 100% 4.00 RR SPB Riichi Open 2023
2 989 2023-06-11 2/88 100% 3.75 RR Money can not buy tenpai
3 147 2022-11-06 65/76 100% 4.20 RR IX Russian Riichi Championship
4 180 2022-06-12 92/112 71% 4.05 RR Moscow Riichi 2022
5 433 2022-03-20 39/68 57% 3.50 RR Tenpai can't buy happiness
6 640 2021-11-28 28/76 29% 3.45 RR Saint Petersburg Open 2021
7 568 2019-12-15 49/112 0% 4.05 EMA VIII Russian Riichi Championship
8 333 2019-11-04 43/64 0% 3.85 EMA Aki Shanten 2019
9 988 2019-05-04 2/84 0% 4.20 EMA Haru Shanten 2019
10 947 2019-02-10 2/20 0% 2.10 RR Fuyu Shanten 2019
11 560 2018-11-18 41/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
12 889 2018-08-11 4/28 0% 1.70 RR Natsu Shanten 2018
13 676 2018-05-01 24/72 0% 3.85 EMA Haru Shanten 2018
14 185 2018-02-17 23/28 0% 1.70 RR Fuyu Shanten
15 324 2017-11-12 49/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
16 548 2017-06-03 15/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017
17 548 2017-04-16 15/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017
18 444 2017-03-25 16/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
19 579 2015-09-27 9/20 0% 1.70 RR Plitochka
20 815 2015-02-22 6/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
21 263 2014-10-25 15/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
22 455 2013-05-19 31/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013