Kolpakov Denis

From Perm, Russia

EMA: 15020053

Player page

Common russian riichi rating (CRR)

Rating date April 19, 2021 (latest changes April 16, 2021).

66 place (332.65).

max_coefficients = (2.90 * 0.86 + 4.05 * 0.57 + 3.85 * 0.57 + 3.45 * 0.57) = 8.970979999999999

p1 = (987.95 * 4.20 * 0.14 + 333.33 * 3.85 * 0.57 + 567.57 * 4.05 * 0.57 + 0 + 0) / (4.20 * 0.14 + 3.85 * 0.57 + 4.05 * 0.57 + 1 + 1) = 371.0445528967254

p2 = (567.57 * 4.05 * 0.57 + 333.33 * 3.85 * 0.57 + 987.95 * 4.20 * 0.14) / max_coefficients = 294.24878887256466

score = 371.0445528967254 * 0.5 + 294.24878887256466 * 0.5 = 332.646670884645

Rating changes

Show

Date Place Points Reason
2021-04-15 63 -> 66 348.32 -> 332.65

VIII Russian Riichi Championship: 71% -> 57%

2021-04-03 64 -> 63 348.32
2021-04-02 64 346.94 -> 348.32
2021-03-26 65 -> 64 342.93 -> 346.94
2021-03-24 68 -> 65 339.03 -> 342.93
2021-03-08 70 -> 68 333.30 -> 339.03
2021-03-05 71 -> 70 333.30
2021-03-04 60 -> 71 381.77 -> 333.30

Haru Shanten 2019: 29% -> 14%

Aki Shanten 2019: 71% -> 57%

2021-02-15 59 -> 60 391.87 -> 381.77

VIII Russian Riichi Championship: 86% -> 71%

2021-02-10 50 -> 59 437.79 -> 391.87

Fuyu Shanten 2019: 14% -> 0%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 568 2019-12-15 49/112 57% 4.05 EMA VIII Russian Riichi Championship
2 333 2019-11-04 43/64 57% 3.85 EMA Aki Shanten 2019
3 988 2019-05-04 2/84 14% 4.20 EMA Haru Shanten 2019
4 947 2019-02-10 2/20 0% 2.10 RR Fuyu Shanten 2019
5 560 2018-11-18 41/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
6 889 2018-08-11 4/28 0% 1.70 RR Natsu Shanten 2018
7 676 2018-05-01 24/72 0% 3.85 EMA Haru Shanten 2018
8 185 2018-02-17 23/28 0% 1.70 RR Fuyu Shanten
9 324 2017-11-12 49/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
10 548 2017-06-03 15/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017
11 548 2017-04-16 15/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017
12 444 2017-03-25 16/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
13 579 2015-09-27 9/20 0% 1.70 RR Plitochka
14 815 2015-02-22 6/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
15 263 2014-10-25 15/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
16 455 2013-05-19 31/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013