Matveeva Alyona

From Barnaul, Russia

EMA: 15020090

Player page

Common russian riichi rating (CRR)

Rating date Dec. 20, 2023 (latest changes Dec. 20, 2023).

3 place (738.74).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001

p1 = (910.45 * 3.50 * 0.29 + 840 * 4.20 * 0.86 + 931.03 * 3.75 * 1 + 888.89 * 2.30 * 1 + 0) / (3.50 * 0.29 + 4.20 * 0.86 + 3.75 * 1 + 2.30 * 1 + 1) = 812.897593686399

p2 = (931.03 * 3.75 * 1 + 840 * 4.20 * 0.86 + 888.89 * 2.30 * 1 + 910.45 * 3.50 * 0.29) / max_coefficients = 664.5747104173946

score = 812.897593686399 * 0.5 + 664.5747104173946 * 0.5 = 738.7361520518969

Rating changes

Show

all results
Date Place Points Reason
2023-12-12 4 -> 3 738.74
2023-11-28 5 -> 4 738.74
2023-11-26 3 -> 5 741.08 -> 738.74
2023-11-20 3 759.18 -> 741.08

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 4 -> 3 762.55 -> 759.18

IX Russian Riichi Championship: 100% -> 86%
2023-11-05 11 -> 4 650.40 -> 762.55

Finding Dora: 0% -> 100%
2023-10-12 11 648.62 -> 650.40
2023-09-20 10 -> 11 667.68 -> 648.62

Tenpai can't buy happiness: 57% -> 43%
2023-09-03 5 -> 10 693.87 -> 667.68
2023-08-19 4 -> 5 693.87

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 889 2023-11-05 4/28 100% 2.30 CRR Finding Dora
2 931 2023-06-11 7/88 100% 3.75 RR Money can not buy tenpai
3 840 2022-11-06 13/76 86% 4.20 RR IX Russian Riichi Championship
4 910 2022-03-20 7/68 29% 3.50 RR Tenpai can't buy happiness
5 1000 2020-01-05 1/20 0% 2.10 EMA Snow Dragon Tournament
6 302 2019-11-04 45/64 0% 3.85 EMA Aki Shanten 2019
7 778 2019-08-25 7/28 0% 2.30 RR The Green dragon tournament
8 735 2019-05-04 23/84 0% 4.20 EMA Haru Shanten 2019
9 964 2019-01-05 3/56 0% 3.00 EMA Snow Dragon
10 868 2018-11-18 13/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
11 368 2018-10-21 13/20 0% 1.30 CRR Awakening of the rising sun dragon
12 957 2018-08-12 2/24 0% 2.20 RR Siberian riichi
13 839 2018-01-05 6/32 0% 2.20 RR Russian riichi championship by JPML-B rules
14 857 2017-01-05 6/36 0% 2.50 RR Quick discard 2017
15 806 2016-05-03 7/32 0% 2.40 RR Siberia Cup 2016
16 222 2016-03-13 78/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
17 930 2016-01-05 4/44 0% 1.90 RR Eighth winter tournament