Kolpakov Denis

From Perm, Russia

EMA: 15020053

Player page

Common russian riichi rating (CRR)

Rating date March 20, 2023 (latest changes March 20, 2023).

83 place (293.67).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (640 * 3.45 * 0.71 + 432.84 * 3.50 * 0.86 + 180.18 * 4.05 * 1 + 146.67 * 4.20 * 1 + 0) / (3.45 * 0.71 + 3.50 * 0.86 + 4.05 * 1 + 4.20 * 1 + 1) = 286.8891481247517

p2 = (640 * 3.45 * 0.71 + 432.84 * 3.50 * 0.86 + 180.18 * 4.05 * 1 + 146.67 * 4.20 * 1) / max_coefficients = 300.4544532503906

score = 286.8891481247517 * 0.5 + 300.4544532503906 * 0.5 = 293.67180068757114

Rating changes

Show

all results
Date Place Points Reason
2023-03-20 84 -> 83 298.35 -> 293.67

Tenpai can't buy happiness: 100% -> 86%
2023-03-06 85 -> 84 298.35
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

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 147 2022-11-06 65/76 100% 4.20 RR IX Russian Riichi Championship
2 180 2022-06-12 92/112 100% 4.05 RR Moscow Riichi 2022
3 433 2022-03-20 39/68 86% 3.50 RR Tenpai can't buy happiness
4 640 2021-11-28 28/76 71% 3.45 RR Saint Petersburg Open 2021
5 568 2019-12-15 49/112 0% 4.05 EMA VIII Russian Riichi Championship
6 333 2019-11-04 43/64 0% 3.85 EMA Aki Shanten 2019
7 988 2019-05-04 2/84 0% 4.20 EMA Haru Shanten 2019
8 947 2019-02-10 2/20 0% 2.10 RR Fuyu Shanten 2019
9 560 2018-11-18 41/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
10 889 2018-08-11 4/28 0% 1.70 RR Natsu Shanten 2018
11 676 2018-05-01 24/72 0% 3.85 EMA Haru Shanten 2018
12 185 2018-02-17 23/28 0% 1.70 RR Fuyu Shanten
13 324 2017-11-12 49/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
14 548 2017-06-03 15/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017
15 548 2017-04-16 15/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017
16 444 2017-03-25 16/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
17 579 2015-09-27 9/20 0% 1.70 RR Plitochka
18 815 2015-02-22 6/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
19 263 2014-10-25 15/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
20 455 2013-05-19 31/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013