Matveeva Alyona
From Barnaul, Russia
EMA: 15020090
Common russian riichi rating (CRR)
Rating date March 20, 2023 (latest changes March 20, 2023).
28 place (529.58).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (910.45 * 3.50 * 0.86 + 840 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 0.86 + 4.20 * 1 + 1 + 1 + 1) = 613.6570635842684
p2 = (840 * 4.20 * 1 + 910.45 * 3.50 * 0.86) / max_coefficients = 445.5001298946252
score = 613.6570635842684 * 0.5 + 445.5001298946252 * 0.5 = 529.5785967394468
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-03-20 | 23 -> 28 | 544.51 -> 529.58 |
Tenpai can't buy happiness: 100% -> 86% |
2023-03-06 | 25 -> 23 | 544.51 | |
2023-02-19 | 26 -> 25 | 544.51 | |
2023-01-28 | 26 | 542.04 -> 544.51 | |
2022-12-19 | 26 | 539.84 -> 542.04 | |
2022-12-18 | 25 -> 26 | 539.84 | |
2022-11-28 | 27 -> 25 | 534.64 -> 539.84 | |
2022-11-06 | 42 -> 27 | 476.73 -> 534.64 |
IX Russian Riichi Championship: 0% -> 100% |
2021-02-01 | 22 -> 42 | 686.54 -> 476.73 | |
2020-02-01 | 22 | 686.54 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 840 |
|
13/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 910 |
|
7/68 | 86% | 3.50 | RR | Tenpai can't buy happiness |
3 | 1000 |
|
1/20 | 0% | 2.10 | EMA | Snow Dragon Tournament |
4 | 302 |
|
45/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
5 | 778 |
|
7/28 | 0% | 2.30 | RR | The Green dragon tournament |
6 | 735 |
|
23/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
7 | 964 |
|
3/56 | 0% | 3.00 | EMA | Snow Dragon |
8 | 868 |
|
13/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
9 | 368 |
|
13/20 | 0% | 1.30 | CRR | Awakening of the rising sun dragon |
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 |