Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Common russian riichi rating (CRR)

Rating date Sept. 27, 2023 (latest changes Sept. 27, 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

all results
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%
2023-09-01 219 -> 78 175.25 -> 336.04
2020-02-01 219 175.25

Tournaments

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