Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Internal rating (RR)

Rating date July 14, 2024 (latest changes July 14, 2024).

90 place (312.60).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001

p1 = (195.40 * 3.75 * 0.86 + 411.21 * 4 * 1 + 242.99 * 4.60 * 1 + 489.36 * 2.80 * 1 + 0) / (3.75 * 0.86 + 4 * 1 + 4.60 * 1 + 2.80 * 1 + 1) = 304.90853634129354

p2 = (411.21 * 4 * 1 + 489.36 * 2.80 * 1 + 242.99 * 4.60 * 1 + 195.40 * 3.75 * 0.86) / max_coefficients = 320.29332369042913

score = 304.90853634129354 * 0.5 + 320.29332369042913 * 0.5 = 312.6009300158613

Rating changes

Show

Date Place Points Reason
2024-07-14 101 -> 90 236.78 -> 312.60

Guardian of the Winds: 0% -> 100%

2024-06-11 109 -> 101 235.28 -> 236.78

Money can not buy tenpai: 100% -> 86%

2024-06-09 97 -> 109 235.28
2024-05-12 90 -> 97 202.74 -> 235.28

X Russian Championship: 0% -> 100%

2024-05-06 92 -> 90 200.65 -> 202.74
2024-04-12 95 -> 92 200.65
2024-03-30 84 -> 95 200.65
2024-03-20 85 -> 84 235.15 -> 200.65

Tenpai can't buy happiness: 14% -> 0%

2024-03-10 76 -> 85 252.36 -> 235.15
2024-03-06 78 -> 76 246.31 -> 252.36

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 489 2024-07-14 25/48 100% 2.80 RR Guardian of the Winds
2 243 2024-05-12 82/108 100% 4.60 RR X Russian Championship
3 411 2023-09-03 64/108 100% 4.00 RR SPB Riichi Open 2023
4 195 2023-06-11 71/88 86% 3.75 RR Money can not buy tenpai
5 672 2022-03-20 23/68 0% 3.50 RR Tenpai can't buy happiness
6 609 2019-06-16 10/24 0% 2.20 RR URAL Mahjong Battle
7 211 2018-05-01 57/72 0% 3.85 EMA Haru Shanten 2018
8 70 2017-11-12 67/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
9 0 2017-07-30 24/24 0% 2.20 RR Summer EMA rules tournament 2017