Zarezin Ivan

From Yekaterinburg, Russia

EMA: 15020003

Player page

Common russian riichi rating (CRR)

Rating date April 15, 2021 (latest changes April 15, 2021).

50 place (399.82).

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

p1 = (84.34 * 4.20 * 0.14 + 173.91 * 2.20 * 0.29 + 454.55 * 1.50 * 0.29 + 984.13 * 3.85 * 0.57 + 0) / (4.20 * 0.14 + 2.20 * 0.29 + 1.50 * 0.29 + 3.85 * 0.57 + 1) = 518.7599337884689

p2 = (984.13 * 3.85 * 0.57 + 454.55 * 1.50 * 0.29 + 173.91 * 2.20 * 0.29 + 84.34 * 4.20 * 0.14) / max_coefficients = 280.8723238709706

score = 518.7599337884689 * 0.5 + 280.8723238709706 * 0.5 = 399.81612882971973

Rating changes

Show

Date Place Points Reason
2021-04-15 52 -> 50 391.31 -> 399.82
2021-04-02 52 390.13 -> 391.31
2021-03-26 53 -> 52 386.73 -> 390.13
2021-03-24 53 383.42 -> 386.73
2021-03-21 54 -> 53 383.42
2021-03-08 54 378.56 -> 383.42
2021-03-06 54 381.81 -> 378.56

Perm Half Marathon: 43% -> 29%

2021-03-04 55 -> 54 403.68 -> 381.81

Aki Shanten 2019: 71% -> 57%

Haru Shanten 2019: 29% -> 14%

2021-02-25 56 -> 55 403.68
2021-02-16 56 397.94 -> 403.68

URAL Mahjong Battle: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 984 2019-11-04 2/64 57% 3.85 EMA Aki Shanten 2019
2 455 2019-07-06 7/12 29% 1.50 CRR Perm Half Marathon
3 174 2019-06-16 20/24 29% 2.20 RR URAL Mahjong Battle
4 84 2019-05-04 77/84 14% 4.20 EMA Haru Shanten 2019
5 473 2019-01-05 30/56 0% 3.00 EMA Snow Dragon
6 363 2018-11-18 59/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
7 704 2018-08-11 9/28 0% 1.70 RR Natsu Shanten 2018
8 479 2018-05-01 38/72 0% 3.85 EMA Haru Shanten 2018
9 789 2018-03-18 5/20 0% 2.10 CRR Spring tournament (Ekaterinburg)
10 789 2018-02-24 5/20 0% 2.10 CRR Guard of the tenpai
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