Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Common russian riichi rating (CRR)

Rating date Oct. 19, 2023 (latest changes Oct. 19, 2023).

67 place (383.34).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75

p1 = (842.11 * 2.10 * 1 + 671.64 * 3.50 * 0.43 + 195.40 * 3.75 * 1 + 411.21 * 4 * 1 + 0) / (2.10 * 1 + 3.50 * 0.43 + 3.75 * 1 + 4 * 1 + 1) = 417.2897385446271

p2 = (842.11 * 2.10 * 1 + 411.21 * 4 * 1 + 671.64 * 3.50 * 0.43 + 195.40 * 3.75 * 1) / max_coefficients = 349.3945762711864

score = 417.2897385446271 * 0.5 + 349.3945762711864 * 0.5 = 383.3421574079067

Rating changes

Show

all results
Date Place Points Reason
2023-10-19 69 -> 67 383.34
2023-10-12 74 -> 69 382.25 -> 383.34
2023-09-28 75 -> 74 382.25
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%

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