Zarezin Ivan

From Yekaterinburg, Russia

EMA: 15020003

Player page

Internal rating (RR)

Rating date April 25, 2024 (latest changes April 12, 2024).

74 place (285.14).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988

p1 = (440 * 4.20 * 0.57 + 540.23 * 3.75 * 1 + 0 + 0 + 0) / (4.20 * 0.57 + 3.75 * 1 + 1 + 1 + 1) = 336.81425330168264

p2 = (540.23 * 3.75 * 1 + 440 * 4.20 * 0.57) / max_coefficients = 233.47257702342748

score = 336.81425330168264 * 0.5 + 233.47257702342748 * 0.5 = 285.1434151625551

Rating changes

Show

all results
Date Place Points Reason
2024-04-12 76 -> 74 285.14
2024-03-30 71 -> 76 285.14
2024-03-20 68 -> 71 312.02 -> 285.14

Tenpai can't buy happiness: 14% -> 0%
2024-03-10 59 -> 68 332.70 -> 312.02
2024-03-06 58 -> 59 338.56 -> 332.70

IX Russian Riichi Championship: 71% -> 57%
2024-02-12 63 -> 58 331.70 -> 338.56
2024-01-20 64 -> 63 338.28 -> 331.70

Tenpai can't buy happiness: 29% -> 14%
2024-01-06 66 -> 64 343.31 -> 338.28

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 68 -> 66 343.31
2023-12-12 68 336.89 -> 343.31

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 540 2023-06-11 41/88 100% 3.75 RR Money can not buy tenpai
2 440 2022-11-06 43/76 57% 4.20 RR IX Russian Riichi Championship
3 358 2022-03-20 44/68 0% 3.50 RR Tenpai can't buy happiness
4 984 2019-11-04 2/64 0% 3.85 EMA Aki Shanten 2019
5 174 2019-06-16 20/24 0% 2.20 RR URAL Mahjong Battle
6 84 2019-05-04 77/84 0% 4.20 EMA Haru Shanten 2019
7 473 2019-01-05 30/56 0% 3.00 EMA Snow Dragon
8 363 2018-11-18 59/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
9 704 2018-08-11 9/28 0% 1.70 RR Natsu Shanten 2018
10 479 2018-05-01 38/72 0% 3.85 EMA Haru Shanten 2018
11 366 2017-11-12 46/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
12 261 2017-07-30 18/24 0% 2.20 RR Summer EMA rules tournament 2017
13 741 2017-06-11 8/28 0% 2.10 RR Tyumen Mahjong Tournament (TMT) 2017
14 111 2017-03-25 25/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
15 696 2017-01-29 8/24 0% 2.20 RR The first tournament of 2017
16 543 2017-01-05 17/36 0% 2.50 RR Quick discard 2017
17 600 2016-07-17 7/16 0% 1.60 RR "Legendary player" riichi mahjong tournament 2016
18 484 2016-05-03 17/32 0% 2.40 RR Siberia Cup 2016
19 384 2016-03-13 62/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
20 947 2016-02-07 2/20 0% 1.70 RR "Tiles, doras, 2 renchans"
21 478 2015-12-05 13/24 0% 1.80 RR 4 riichi mahjong tournament 2015
22 667 2015-10-18 18/52 0% 2.90 EMA Russian Open Riichi Championship 2015
23 421 2015-09-27 12/20 0% 1.70 RR Plitochka
24 1000 2015-08-29 1/16 0% 1.60 RR 3 riichi mahjong tournament 2015
25 333 2015-05-16 11/16 0% 1.60 RR 2 autumn riichi mahjong tournament 2015
26 889 2015-02-22 4/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
27 895 2014-10-25 3/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
28 158 2014-06-08 17/20 0% 1.30 RR Chelyabinsk riichi mahjong championship 2017