Zarezin Ivan

From Yekaterinburg, Russia

EMA: 15020003

Player page

Internal rating (RR)

Rating date Dec. 19, 2022 (latest changes Dec. 19, 2022).

84 place (250.39).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995

p1 = (358.21 * 3.50 * 1 + 440 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 1 + 4.20 * 1 + 1 + 1 + 1) = 289.881308411215

p2 = (440 * 4.20 * 1 + 358.21 * 3.50 * 1) / max_coefficients = 210.90168317865073

score = 289.881308411215 * 0.5 + 210.90168317865073 * 0.5 = 250.39149579493287

Rating changes

Show

all results
Date Place Points Reason
2022-12-19 84 249.38 -> 250.39
2022-11-28 84 246.97 -> 249.38
2022-11-06 68 -> 84 343.80 -> 246.97

IX Russian Riichi Championship: 0% -> 100%
2021-02-01 83 -> 68 439.90 -> 343.80
2020-02-01 83 439.90

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 440 2022-11-06 43/76 100% 4.20 RR IX Russian Riichi Championship
2 358 2022-03-20 44/68 100% 3.50 RR Tenpai can't buy happiness
3 984 2019-11-04 2/64 0% 3.85 EMA Aki Shanten 2019
4 174 2019-06-16 20/24 0% 2.20 RR URAL Mahjong Battle
5 84 2019-05-04 77/84 0% 4.20 EMA Haru Shanten 2019
6 473 2019-01-05 30/56 0% 3.00 EMA Snow Dragon
7 363 2018-11-18 59/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
8 704 2018-08-11 9/28 0% 1.70 RR Natsu Shanten 2018
9 479 2018-05-01 38/72 0% 3.85 EMA Haru Shanten 2018
10 366 2017-11-12 46/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
11 261 2017-07-30 18/24 0% 2.20 RR Summer EMA rules tournament 2017
12 741 2017-06-11 8/28 0% 2.10 RR Tyumen Mahjong Tournament (TMT) 2017
13 111 2017-03-25 25/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
14 696 2017-01-29 8/24 0% 2.20 RR The first tournament of 2017
15 543 2017-01-05 17/36 0% 2.50 RR Quick discard 2017
16 600 2016-07-17 7/16 0% 1.60 RR "Legendary player" riichi mahjong tournament 2016
17 484 2016-05-03 17/32 0% 2.40 RR Siberia Cup 2016
18 384 2016-03-13 62/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
19 947 2016-02-07 2/20 0% 1.70 RR "Tiles, doras, 2 renchans"
20 478 2015-12-05 13/24 0% 1.80 RR 4 riichi mahjong tournament 2015
21 667 2015-10-18 18/52 0% 2.90 EMA Russian Open Riichi Championship 2015
22 421 2015-09-27 12/20 0% 1.70 RR Plitochka
23 1000 2015-08-29 1/16 0% 1.60 RR 3 riichi mahjong tournament 2015
24 333 2015-05-16 11/16 0% 1.60 RR 2 autumn riichi mahjong tournament 2015
25 889 2015-02-22 4/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
26 895 2014-10-25 3/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
27 158 2014-06-08 17/20 0% 1.30 RR Chelyabinsk riichi mahjong championship 2017