Zarezin Ivan

From Yekaterinburg, Russia

EMA: 15020003

Player page

Common russian riichi rating (CRR)

Rating date Dec. 21, 2024 (latest changes Dec. 18, 2024).

27 place (630.23).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (540.23 * 3.75 * 0.43 + 851.85 * 2.30 * 1 + 401.87 * 4.60 * 1 + 808.51 * 2.80 * 1 + 873.42 * 3.65 * 1 + 631.58 * 2.10 * 0.71 + 703.70 * 2.30 * 0.86) / (3.75 * 0.43 + 2.30 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 2.10 * 0.71 + 2.30 * 0.86) = 676.2615303053241

p2 = (873.42 * 3.65 * 1 + 808.51 * 2.80 * 1 + 851.85 * 2.30 * 1 + 401.87 * 4.60 * 1) / max_coefficients = 584.2056782334384

score = 676.2615303053241 * 0.5 + 584.2056782334384 * 0.5 = 630.2336042693812

Rating changes

Show

all results
Date Place Points Reason
2024-12-11 28 -> 27 628.31 -> 630.23

Money can not buy tenpai: 57% -> 43%
2024-12-01 26 -> 28 628.31
2024-11-26 27 -> 26 628.31
2024-11-05 29 -> 27 625.07 -> 628.31

Finding Dora: 100% -> 86%
2024-11-03 31 -> 29 625.07
2024-10-27 31 624.81 -> 625.07

13 tiles until tempai: 86% -> 71%
2024-10-22 32 -> 31 624.81
2024-10-13 29 -> 32 630.86 -> 624.81
2024-10-11 32 -> 29 629.24 -> 630.86

Money can not buy tenpai: 71% -> 57%
2024-09-06 33 -> 32 626.12 -> 629.24

IX Russian Riichi Championship: 29% -> 14%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 873 2024-08-04 11/80 100% 3.65 RR Riichi over Volga
2 809 2024-07-14 10/48 100% 2.80 RR Guardian of the Winds
3 402 2024-05-12 65/108 100% 4.60 RR X Russian Championship
4 852 2024-02-25 5/28 100% 2.30 CRR Chasing Kan
5 704 2023-11-05 9/28 86% 2.30 CRR Finding Dora
6 632 2023-08-27 8/20 71% 2.10 CRR 13 tiles until tempai
7 540 2023-06-11 41/88 43% 3.75 RR Money can not buy tenpai
8 440 2022-11-06 43/76 0% 4.20 RR IX Russian Riichi Championship
9 358 2022-03-20 44/68 0% 3.50 RR Tenpai can't buy happiness
10 984 2019-11-04 2/64 0% 3.85 EMA Aki Shanten 2019
11 455 2019-07-06 7/12 0% 1.50 CRR Perm Half Marathon
12 174 2019-06-16 20/24 0% 2.20 RR URAL Mahjong Battle
13 84 2019-05-04 77/84 0% 4.20 EMA Haru Shanten 2019
14 473 2019-01-05 30/56 0% 3.00 EMA Snow Dragon
15 363 2018-11-18 59/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
16 704 2018-08-11 9/28 0% 1.70 RR Natsu Shanten 2018
17 479 2018-05-01 38/72 0% 3.85 EMA Haru Shanten 2018
18 789 2018-03-18 5/20 0% 2.10 CRR Spring tournament (Ekaterinburg)
19 789 2018-02-24 5/20 0% 2.10 CRR Guard of the tenpai
20 366 2017-11-12 46/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
21 261 2017-07-30 18/24 0% 2.20 RR Summer EMA rules tournament 2017
22 741 2017-06-11 8/28 0% 2.10 RR Tyumen Mahjong Tournament (TMT) 2017
23 111 2017-03-25 25/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
24 696 2017-01-29 8/24 0% 2.20 RR The first tournament of 2017
25 543 2017-01-05 17/36 0% 2.50 RR Quick discard 2017
26 600 2016-07-17 7/16 0% 1.60 RR "Legendary player" riichi mahjong tournament 2016
27 484 2016-05-03 17/32 0% 2.40 RR Siberia Cup 2016
28 384 2016-03-13 62/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
29 947 2016-02-07 2/20 0% 1.70 RR "Tiles, doras, 2 renchans"
30 478 2015-12-05 13/24 0% 1.80 RR 4 riichi mahjong tournament 2015
31 667 2015-10-18 18/52 0% 2.90 EMA Russian Open Riichi Championship 2015
32 421 2015-09-27 12/20 0% 1.70 RR Plitochka
33 1000 2015-08-29 1/16 0% 1.60 RR 3 riichi mahjong tournament 2015
34 333 2015-05-16 11/16 0% 1.60 RR 2 autumn riichi mahjong tournament 2015
35 889 2015-02-22 4/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
36 895 2014-10-25 3/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
37 158 2014-06-08 17/20 0% 1.30 RR Chelyabinsk riichi mahjong championship 2017