Zarezin Ivan

From Yekaterinburg, Russia

EMA: 15020003

Player page

Internal rating (RR)

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

61 place (363.07).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155

p1 = (358.21 * 3.50 * 0.57 + 440 * 4.20 * 1 + 540.23 * 3.75 * 1 + 0 + 0) / (3.50 * 0.57 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 384.1237165164562

p2 = (540.23 * 3.75 * 1 + 440 * 4.20 * 1 + 358.21 * 3.50 * 0.57) / max_coefficients = 342.01527364820686

score = 384.1237165164562 * 0.5 + 342.01527364820686 * 0.5 = 363.0694950823315

Rating changes

Show

all results
Date Place Points Reason
2023-07-20 60 -> 61 362.84 -> 363.07

Tenpai can't buy happiness: 71% -> 57%
2023-07-06 62 -> 60 362.84
2023-06-12 62 356.00 -> 362.84
2023-06-11 80 -> 62 250.97 -> 356.00

Money can not buy tenpai: 0% -> 100%
2023-05-28 81 -> 80 249.25 -> 250.97
2023-05-20 81 253.79 -> 249.25

Tenpai can't buy happiness: 86% -> 71%
2023-05-06 82 -> 81 253.79
2023-04-19 83 -> 82 251.80 -> 253.79
2023-03-28 83 249.82 -> 251.80
2023-03-20 82 -> 83 254.05 -> 249.82

Tenpai can't buy happiness: 100% -> 86%

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 43/76 100% 4.20 RR IX Russian Riichi Championship
3 358 2022-03-20 44/68 57% 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