Zarezin Ivan

From Yekaterinburg, Russia

EMA: 15020003

Player page

Common russian riichi rating (CRR)

Rating date April 25, 2024 (latest changes April 25, 2024).

28 place (563.66).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

p1 = (440 * 4.20 * 0.57 + 540.23 * 3.75 * 1 + 631.58 * 2.10 * 1 + 703.70 * 2.30 * 1 + 851.85 * 2.30 * 1) / (4.20 * 0.57 + 3.75 * 1 + 2.10 * 1 + 2.30 * 1 + 2.30 * 1) = 621.4773990107301

p2 = (540.23 * 3.75 * 1 + 851.85 * 2.30 * 1 + 703.70 * 2.30 * 1 + 631.58 * 2.10 * 1) / max_coefficients = 505.8364963503649

score = 621.4773990107301 * 0.5 + 505.8364963503649 * 0.5 = 563.6569476805475

Rating changes

Show

all results
Date Place Points Reason
2024-04-18 30 -> 28 563.66
2024-04-12 29 -> 30 563.66
2024-03-30 30 -> 29 563.66
2024-03-20 32 -> 30 558.73 -> 563.66

Tenpai can't buy happiness: 14% -> 0%
2024-03-10 25 -> 32 571.33 -> 558.73
2024-03-06 27 -> 25 555.96 -> 571.33

IX Russian Riichi Championship: 71% -> 57%
2024-02-25 33 -> 27 508.10 -> 555.96

Chasing Kan: 0% -> 100%
2024-02-12 34 -> 33 508.10
2024-01-20 35 -> 34 504.05 -> 508.10

Tenpai can't buy happiness: 29% -> 14%
2024-01-06 34 -> 35 501.09 -> 504.05

IX Russian Riichi Championship: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 852 2024-02-25 5/28 100% 2.30 CRR Chasing Kan
2 704 2023-11-05 9/28 100% 2.30 CRR Finding Dora
3 632 2023-08-27 8/20 100% 2.10 CRR 13 tiles until tempai
4 540 2023-06-11 41/88 100% 3.75 RR Money can not buy tenpai
5 440 2022-11-06 43/76 57% 4.20 RR IX Russian Riichi Championship
6 358 2022-03-20 44/68 0% 3.50 RR Tenpai can't buy happiness
7 984 2019-11-04 2/64 0% 3.85 EMA Aki Shanten 2019
8 455 2019-07-06 7/12 0% 1.50 CRR Perm Half Marathon
9 174 2019-06-16 20/24 0% 2.20 RR URAL Mahjong Battle
10 84 2019-05-04 77/84 0% 4.20 EMA Haru Shanten 2019
11 473 2019-01-05 30/56 0% 3.00 EMA Snow Dragon
12 363 2018-11-18 59/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
13 704 2018-08-11 9/28 0% 1.70 RR Natsu Shanten 2018
14 479 2018-05-01 38/72 0% 3.85 EMA Haru Shanten 2018
15 789 2018-03-18 5/20 0% 2.10 CRR Spring tournament (Ekaterinburg)
16 789 2018-02-24 5/20 0% 2.10 CRR Guard of the tenpai
17 366 2017-11-12 46/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
18 261 2017-07-30 18/24 0% 2.20 RR Summer EMA rules tournament 2017
19 741 2017-06-11 8/28 0% 2.10 RR Tyumen Mahjong Tournament (TMT) 2017
20 111 2017-03-25 25/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
21 696 2017-01-29 8/24 0% 2.20 RR The first tournament of 2017
22 543 2017-01-05 17/36 0% 2.50 RR Quick discard 2017
23 600 2016-07-17 7/16 0% 1.60 RR "Legendary player" riichi mahjong tournament 2016
24 484 2016-05-03 17/32 0% 2.40 RR Siberia Cup 2016
25 384 2016-03-13 62/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
26 947 2016-02-07 2/20 0% 1.70 RR "Tiles, doras, 2 renchans"
27 478 2015-12-05 13/24 0% 1.80 RR 4 riichi mahjong tournament 2015
28 667 2015-10-18 18/52 0% 2.90 EMA Russian Open Riichi Championship 2015
29 421 2015-09-27 12/20 0% 1.70 RR Plitochka
30 1000 2015-08-29 1/16 0% 1.60 RR 3 riichi mahjong tournament 2015
31 333 2015-05-16 11/16 0% 1.60 RR 2 autumn riichi mahjong tournament 2015
32 889 2015-02-22 4/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
33 895 2014-10-25 3/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
34 158 2014-06-08 17/20 0% 1.30 RR Chelyabinsk riichi mahjong championship 2017