Matveeva Alyona
From Barnaul, Russia
EMA: 15020090
Internal rating (RR)
Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).
10 place (608.51).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001
p1 = (910.45 * 3.50 * 0.14 + 840 * 4.20 * 0.71 + 931.03 * 3.75 * 1 + 0 + 0) / (3.50 * 0.14 + 4.20 * 0.71 + 3.75 * 1 + 1 + 1) = 699.0965610510465
p2 = (931.03 * 3.75 * 1 + 840 * 4.20 * 0.71 + 910.45 * 3.50 * 0.14) / max_coefficients = 517.9278369423405
score = 699.0965610510465 * 0.5 + 517.9278369423405 * 0.5 = 608.5121989966935
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-01-20 | 7 -> 10 | 632.15 -> 608.51 |
Tenpai can't buy happiness: 29% -> 14% |
2024-01-06 | 6 -> 7 | 642.47 -> 632.15 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 5 -> 6 | 642.47 | |
2023-12-12 | 7 -> 5 | 630.46 -> 642.47 | |
2023-11-28 | 9 -> 7 | 630.46 | |
2023-11-20 | 7 -> 9 | 651.57 -> 630.46 |
Tenpai can't buy happiness: 43% -> 29% |
2023-11-06 | 7 | 660.08 -> 651.57 |
IX Russian Riichi Championship: 100% -> 86% |
2023-10-19 | 8 -> 7 | 660.08 | |
2023-10-12 | 8 | 648.62 -> 660.08 | |
2023-09-20 | 7 -> 8 | 667.68 -> 648.62 |
Tenpai can't buy happiness: 57% -> 43% |
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 | 71% | 4.20 | RR | IX Russian Riichi Championship |
3 | 910 |
|
7/68 | 14% | 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 |