Matveeva Alyona
From Barnaul, Russia
EMA: 15020090
Internal rating (RR)
Rating date July 6, 2023 (latest changes July 6, 2023).
2 place (707.17).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305
p1 = (910.45 * 3.50 * 0.71 + 840 * 4.20 * 1 + 931.03 * 3.75 * 1 + 0 + 0) / (3.50 * 0.71 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 746.626720374617
p2 = (840 * 4.20 * 1 + 931.03 * 3.75 * 1 + 910.45 * 3.50 * 0.71) / max_coefficients = 667.7204471850879
score = 746.626720374617 * 0.5 + 667.7204471850879 * 0.5 = 707.1735837798524
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-06-12 | 2 | 693.85 -> 707.17 | |
2023-06-11 | 23 -> 2 | 530.95 -> 693.85 |
Money can not buy tenpai: 0% -> 100% |
2023-05-28 | 24 -> 23 | 527.31 -> 530.95 | |
2023-05-20 | 20 -> 24 | 543.54 -> 527.31 |
Tenpai can't buy happiness: 86% -> 71% |
2023-04-19 | 22 -> 20 | 539.27 -> 543.54 | |
2023-03-28 | 23 -> 22 | 535.03 -> 539.27 | |
2023-03-20 | 19 -> 23 | 549.96 -> 535.03 |
Tenpai can't buy happiness: 100% -> 86% |
2023-03-06 | 20 -> 19 | 549.96 | |
2023-02-19 | 21 -> 20 | 546.80 -> 549.96 | |
2023-01-28 | 21 | 542.04 -> 546.80 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 931 |
|
7/88 | 100% | 3.75 | RR | Money can not buy tenpai |
2 | 840 |
|
13/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 910 |
|
7/68 | 71% | 3.50 | RR | Tenpai can't buy happiness |
4 | 1000 |
|
1/20 | 0% | 2.10 | EMA | Snow Dragon Tournament |
5 | 302 |
|
45/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
6 | 778 |
|
7/28 | 0% | 2.30 | RR | The Green dragon tournament |
7 | 735 |
|
23/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
8 | 964 |
|
3/56 | 0% | 3.00 | EMA | Snow Dragon |
9 | 868 |
|
13/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
10 | 957 |
|
2/24 | 0% | 2.20 | RR | Siberian riichi |
11 | 839 |
|
6/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules |
12 | 857 |
|
6/36 | 0% | 2.50 | RR | Quick discard 2017 |
13 | 806 |
|
7/32 | 0% | 2.40 | RR | Siberia Cup 2016 |
14 | 222 |
|
78/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
15 | 930 |
|
4/44 | 0% | 1.90 | RR | Eighth winter tournament |