Zarezin Ivan

From Yekaterinburg, Russia

EMA: 15020003

Player page

Common russian riichi rating (CRR)

Rating date June 11, 2023 (latest changes June 11, 2023).

77 place (352.67).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.75 * 1 + 2.80 * 1) = 14.8

p1 = (358.21 * 3.50 * 0.71 + 440 * 4.20 * 1 + 540.23 * 3.75 * 1 + 0 + 0) / (3.50 * 0.71 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 383.0827988642615

p2 = (540.23 * 3.75 * 1 + 440 * 4.20 * 1 + 358.21 * 3.50 * 0.71) / max_coefficients = 322.2567567567567

score = 383.0827988642615 * 0.5 + 322.2567567567567 * 0.5 = 352.6697778105091

Rating changes

Show

all results
Date Place Points Reason
2023-06-11 105 -> 77 242.66 -> 352.67

Money can not buy tenpai: 0% -> 100%
2023-05-28 106 -> 105 242.66
2023-05-20 106 247.27 -> 242.66

Tenpai can't buy happiness: 86% -> 71%
2023-05-06 108 -> 106 247.27
2023-05-05 109 -> 108 247.27
2023-05-01 107 -> 109 247.27
2023-04-22 103 -> 107 247.27
2023-04-19 105 -> 103 247.27
2023-04-15 57 -> 105 390.54 -> 247.27
2021-02-01 70 -> 57 496.26 -> 390.54

Tournaments

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