Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Internal rating (RR)
Rating date Nov. 6, 2024 (latest changes Nov. 6, 2024).
38 place (564.78).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (540.23 * 3.75 * 0.57 + 401.87 * 4.60 * 1 + 808.51 * 2.80 * 1 + 873.42 * 3.65 * 1 + 0) / (3.75 * 0.57 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 1) = 595.9366578006377
p2 = (873.42 * 3.65 * 1 + 808.51 * 2.80 * 1 + 401.87 * 4.60 * 1 + 540.23 * 3.75 * 0.57) / max_coefficients = 533.6264984227129
score = 595.9366578006377 * 0.5 + 533.6264984227129 * 0.5 = 564.7815781116753
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-11-06 | 35 -> 38 | 582.99 -> 564.78 |
IX Russian Riichi Championship: 14% -> 0% |
2024-11-03 | 36 -> 35 | 582.99 | |
2024-10-13 | 31 -> 36 | 588.52 -> 582.99 | |
2024-10-11 | 31 | 596.12 -> 588.52 |
Money can not buy tenpai: 71% -> 57% |
2024-09-06 | 31 | 592.32 -> 596.12 |
IX Russian Riichi Championship: 29% -> 14% |
2024-09-03 | 32 -> 31 | 582.32 -> 592.32 | |
2024-09-01 | 27 -> 32 | 596.53 -> 582.32 | |
2024-08-11 | 27 | 601.44 -> 596.53 |
Money can not buy tenpai: 86% -> 71% |
2024-08-04 | 54 -> 27 | 463.32 -> 601.44 |
Riichi over Volga: 0% -> 100% |
2024-07-14 | 83 -> 54 | 325.06 -> 463.32 |
Guardian of the Winds: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 873 |
|
11/80 | 100% | 3.65 | RR | Riichi over Volga |
2 | 809 |
|
10/48 | 100% | 2.80 | RR | Guardian of the Winds |
3 | 402 |
|
65/108 | 100% | 4.60 | RR | X Russian Championship |
4 | 540 |
|
41/88 | 57% | 3.75 | RR | Money can not buy tenpai |
5 | 440 |
|
43/76 | 0% | 4.20 | RR | IX Russian Riichi Championship |
6 | 358 |
|
44/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
7 | 984 |
|
2/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
8 | 174 |
|
20/24 | 0% | 2.20 | RR | URAL Mahjong Battle |
9 | 84 |
|
77/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
10 | 473 |
|
30/56 | 0% | 3.00 | EMA | Snow Dragon |
11 | 363 |
|
59/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
12 | 704 |
|
9/28 | 0% | 1.70 | RR | Natsu Shanten 2018 |
13 | 479 |
|
38/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
14 | 366 |
|
46/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
15 | 261 |
|
18/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 |
16 | 741 |
|
8/28 | 0% | 2.10 | RR | Tyumen Mahjong Tournament (TMT) 2017 |
17 | 111 |
|
25/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
18 | 696 |
|
8/24 | 0% | 2.20 | RR | The first tournament of 2017 |
19 | 543 |
|
17/36 | 0% | 2.50 | RR | Quick discard 2017 |
20 | 600 |
|
7/16 | 0% | 1.60 | RR | "Legendary player" riichi mahjong tournament 2016 |
21 | 484 |
|
17/32 | 0% | 2.40 | RR | Siberia Cup 2016 |
22 | 384 |
|
62/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
23 | 947 |
|
2/20 | 0% | 1.70 | RR | "Tiles, doras, 2 renchans" |
24 | 478 |
|
13/24 | 0% | 1.80 | RR | 4 riichi mahjong tournament 2015 |
25 | 667 |
|
18/52 | 0% | 2.90 | EMA | Russian Open Riichi Championship 2015 |
26 | 421 |
|
12/20 | 0% | 1.70 | RR | Plitochka |
27 | 1000 |
|
1/16 | 0% | 1.60 | RR | 3 riichi mahjong tournament 2015 |
28 | 333 |
|
11/16 | 0% | 1.60 | RR | 2 autumn riichi mahjong tournament 2015 |
29 | 889 |
|
4/28 | 0% | 1.90 | RR | 2 winter riichi mahjong tournament 2015 |
30 | 895 |
|
3/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 |
31 | 158 |
|
17/20 | 0% | 1.30 | RR | Chelyabinsk riichi mahjong championship 2017 |