Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Common russian riichi rating (CRR)

Rating date Jan. 3, 2025 (latest changes Jan. 3, 2025).

136 place (274.65).

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

p1 = (842.11 * 2.10 * 0.57 + 195.40 * 3.75 * 0.43 + 411.21 * 4 * 0.57 + 37.04 * 2.30 * 0.86 + 148.15 * 2.30 * 1 + 242.99 * 4.60 * 1 + 303.80 * 3.65 * 1 + 0 * 3.85 * 1 + 489.36 * 2.80 * 1) / (2.10 * 0.57 + 3.75 * 0.43 + 4 * 0.57 + 2.30 * 0.86 + 2.30 * 1 + 4.60 * 1 + 3.65 * 1 + 3.85 * 1 + 2.80 * 1) = 258.61189278655064

p2 = (489.36 * 2.80 * 1 + 242.99 * 4.60 * 1 + 303.80 * 3.65 * 1 + 842.11 * 2.10 * 0.57) / max_coefficients = 290.68201892744474

score = 258.61189278655064 * 0.5 + 290.68201892744474 * 0.5 = 274.6469558569977

Rating changes

Show

all results
Date Place Points Reason
2025-01-03 135 -> 136 281.59 -> 274.65

SPB Riichi Open 2023: 71% -> 57%
2024-12-29 134 -> 135 281.59
2024-12-27 132 -> 134 289.92 -> 281.59

13 tiles until tempai: 71% -> 57%
2024-12-25 134 -> 132 289.92
2024-12-11 136 -> 134 289.15 -> 289.92

Money can not buy tenpai: 57% -> 43%
2024-11-05 139 -> 136 287.70 -> 289.15

Finding Dora: 100% -> 86%
2024-11-03 135 -> 139 296.68 -> 287.70

SPB Riichi Open 2023: 86% -> 71%
2024-10-27 132 -> 135 307.85 -> 296.68

13 tiles until tempai: 86% -> 71%
2024-10-25 133 -> 132 307.85
2024-10-13 125 -> 133 311.39 -> 307.85

Tournaments

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