Zarezin Ivan

From Yekaterinburg, Russia

EMA: 15020003

Player page

Common russian riichi rating (CRR)

Rating date May 2, 2019 (latest changes May 2, 2019).

91 place (461.13).

max_coefficients = (3.80 * 1 + 3.55 * 1 + 3.50 * 1 + 3.45 * 1) = 14.3

p1 = (789.47 * 2.10 * 0.71 + 789.47 * 2.10 * 0.86 + 478.87 * 3.85 * 0.86 + 703.70 * 1.70 * 1 + 362.64 * 3.80 * 1 + 472.73 * 3 * 1 + 740.74 * 2.10 * 0.14 + 260.87 * 2.20 * 0.29 + 366.20 * 3.25 * 0.57) / (2.10 * 0.71 + 2.10 * 0.86 + 3.85 * 0.86 + 1.70 * 1 + 3.80 * 1 + 3 * 1 + 2.10 * 0.14 + 2.20 * 0.29 + 3.25 * 0.57) = 516.8568537954443

p2 = (478.87 * 3.85 * 0.86 + 789.47 * 2.10 * 0.86 + 472.73 * 3 * 1 + 362.64 * 3.80 * 1) / max_coefficients = 405.4111888111889

score = 516.8568537954443 * 0.5 + 405.4111888111889 * 0.5 = 461.13402130331656

Rating changes

Show

Date Place Points Reason
2019-05-01 92 -> 91 464.01 -> 461.13

Haru Shanten 2018: 100% -> 86%

2019-04-24 89 -> 92 467.66 -> 464.01

Guard of the tenpai: 86% -> 71%

2019-04-22 91 -> 89 467.66
2019-04-17 92 -> 91 467.66
2019-04-11 92 469.40 -> 467.66

Tyumen Mahjong Tournament (TMT) 2017: 29% -> 14%

2019-03-31 91 -> 92 469.40
2019-03-30 91 467.27 -> 469.40

Summer EMA rules tournament 2017: 43% -> 29%

2019-03-25 86 -> 91 483.38 -> 467.27

"Spring shanten" tournament, Perm 2017: 14% -> 0%

2019-03-24 87 -> 86 483.38
2019-03-18 83 -> 87 493.66 -> 483.38

Spring tournament (Ekaterinburg): 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 473 2019-01-05 30/56 100% 3.00 EMA Snow Dragon
2 363 2018-11-18 59/92 100% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
3 704 2018-08-11 9/28 100% 1.70 RR Natsu Shanten 2018
4 479 2018-05-01 38/72 86% 3.85 EMA Haru Shanten 2018
5 789 2018-03-18 5/20 86% 2.10 CRR Spring tournament (Ekaterinburg)
6 789 2018-02-24 5/20 71% 2.10 CRR Guard of the tenpai
7 366 2017-11-12 46/72 57% 3.25 EMA Perm Riichi 2017 Aki Shanten
8 261 2017-07-30 18/24 29% 2.20 RR Summer EMA rules tournament 2017
9 741 2017-06-11 8/28 14% 2.10 RR Tyumen Mahjong Tournament (TMT) 2017
10 111 2017-03-25 25/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
11 696 2017-01-29 8/24 0% 2.20 RR The first tournament of 2017
12 543 2017-01-05 17/36 0% 2.50 RR Quick discard 2017
13 600 2016-07-17 7/16 0% 1.60 RR "Legendary player" riichi mahjong tournament 2016
14 484 2016-05-03 17/32 0% 2.40 RR Siberia Cup 2016
15 384 2016-03-13 62/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
16 947 2016-02-07 2/20 0% 1.70 RR "Tiles, doras, 2 renchans"
17 478 2015-12-05 13/24 0% 1.80 RR 4 riichi mahjong tournament 2015
18 667 2015-10-18 18/52 0% 2.90 EMA Russian Open Riichi Championship 2015
19 421 2015-09-27 12/20 0% 1.70 RR Plitochka
20 1000 2015-08-29 1/16 0% 1.60 RR 3 riichi mahjong tournament 2015
21 333 2015-05-16 11/16 0% 1.60 RR 2 autumn riichi mahjong tournament 2015
22 889 2015-02-22 4/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
23 895 2014-10-25 3/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
24 158 2014-06-08 17/20 0% 1.30 RR Chelyabinsk riichi mahjong championship 2017