Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Common russian riichi rating (CRR)

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

75 place (382.25).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (671.64 * 3.50 * 0.43 + 195.40 * 3.75 * 1 + 842.11 * 2.10 * 1 + 411.21 * 4 * 1 + 0) / (3.50 * 0.43 + 3.75 * 1 + 2.10 * 1 + 4 * 1 + 1) = 417.28973854462714

p2 = (842.11 * 2.10 * 1 + 411.21 * 4 * 1 + 671.64 * 3.50 * 0.43 + 195.40 * 3.75 * 1) / max_coefficients = 347.2074050144463

score = 417.28973854462714 * 0.5 + 347.2074050144463 * 0.5 = 382.24857177953675

Rating changes

Show

Date Place Points Reason
2023-09-20 67 -> 75 398.50 -> 382.25

Tenpai can't buy happiness: 57% -> 43%

2023-09-03 78 -> 67 336.04 -> 398.50

SPB Riichi Open 2023: 0% -> 100%

2023-08-27 127 -> 78 194.71 -> 336.04

13 tiles until tempai: 0% -> 100%

2023-08-26 126 -> 127 194.71
2023-08-12 126 191.62 -> 194.71
2023-07-28 127 -> 126 191.62
2023-07-20 121 -> 127 215.17 -> 191.62

Tenpai can't buy happiness: 71% -> 57%

2023-07-06 123 -> 121 215.17
2023-07-05 124 -> 123 215.17
2023-07-03 125 -> 124 215.17

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 411 2023-09-03 64/108 100% 4.00 RR SPB Riichi Open 2023
2 842 2023-08-27 4/20 100% 2.10 CRR 13 tiles until tempai
3 195 2023-06-11 71/88 100% 3.75 RR Money can not buy tenpai
4 672 2022-03-20 23/68 43% 3.50 RR Tenpai can't buy happiness
5 609 2019-06-16 10/24 0% 2.20 RR URAL Mahjong Battle
6 211 2018-05-01 57/72 0% 3.85 EMA Haru Shanten 2018
7 70 2017-11-12 67/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
8 0 2017-07-30 24/24 0% 2.20 RR Summer EMA rules tournament 2017