Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Common russian riichi rating (CRR)

Rating date March 31, 2025 (latest changes March 30, 2025).

149 place (289.89).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (195.40 * 3.75 * 0.29 + 842.11 * 2.10 * 0.43 + 411.21 * 4 * 0.43 + 37.04 * 2.30 * 0.57 + 148.15 * 2.30 * 0.86 + 242.99 * 4.60 * 1 + 489.36 * 2.80 * 1 + 303.80 * 3.65 * 1 + 258.06 * 2.40 * 1) / (3.75 * 0.29 + 2.10 * 0.43 + 4 * 0.43 + 2.30 * 0.57 + 2.30 * 0.86 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 2.40 * 1) = 305.0326899962956

p2 = (489.36 * 2.80 * 1 + 242.99 * 4.60 * 1 + 303.80 * 3.65 * 1 + 842.11 * 2.10 * 0.43) / max_coefficients = 274.7495268138801

score = 305.0326899962956 * 0.5 + 274.7495268138801 * 0.5 = 289.89110840508783

Rating changes

Show

all results
Date Place Points Reason
2025-03-30 150 -> 149 289.89
2025-03-29 149 -> 150 289.89
2025-03-23 147 -> 149 289.89
2025-03-05 149 -> 147 287.77 -> 289.89

Finding Dora: 71% -> 57%
2025-03-03 149 294.99 -> 287.77

SPB Riichi Open 2023: 57% -> 43%
2025-03-02 155 -> 149 271.72 -> 294.99

Riichi Maslenitsa (shrovetide): 0% -> 100%
2025-02-27 153 -> 155 277.75 -> 271.72

13 tiles until tempai: 57% -> 43%
2025-02-25 155 -> 153 276.93 -> 277.75

Chasing Kan: 100% -> 86%
2025-02-22 158 -> 155 276.93
2025-02-16 149 -> 158 276.93

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 258 2025-03-02 24/32 100% 2.40 RR Riichi Maslenitsa (shrovetide)
2 0 2024-09-01 96/96 100% 3.85 RR SPB Riichi Open 2024
3 304 2024-08-04 56/80 100% 3.65 RR Riichi over Volga
4 489 2024-07-14 25/48 100% 2.80 RR Guardian of the Winds
5 243 2024-05-12 82/108 100% 4.60 RR X Russian Championship
6 148 2024-02-25 24/28 86% 2.30 CRR Chasing Kan
7 37 2023-11-05 27/28 57% 2.30 CRR Finding Dora
8 411 2023-09-03 64/108 43% 4.00 RR SPB Riichi Open 2023
9 842 2023-08-27 4/20 43% 2.10 CRR 13 tiles until tempai
10 195 2023-06-11 71/88 29% 3.75 RR Money can not buy tenpai
11 672 2022-03-20 23/68 0% 3.50 RR Tenpai can't buy happiness
12 609 2019-06-16 10/24 0% 2.20 RR URAL Mahjong Battle
13 211 2018-05-01 57/72 0% 3.85 EMA Haru Shanten 2018
14 70 2017-11-12 67/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
15 0 2017-07-30 24/24 0% 2.20 RR Summer EMA rules tournament 2017