Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Common russian riichi rating (CRR)

Rating date Oct. 31, 2025 (latest changes Oct. 27, 2025).

153 place (308.27).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835

p1 = (37.04 * 2.30 * 0.14 + 148.15 * 2.30 * 0.29 + 242.99 * 4.60 * 0.57 + 489.36 * 2.80 * 0.71 + 303.80 * 3.65 * 0.71 + 0 * 3.85 * 0.86 + 258.06 * 2.40 * 1 + 610.39 * 3.45 * 1) / (2.30 * 0.14 + 2.30 * 0.29 + 4.60 * 0.57 + 2.80 * 0.71 + 3.65 * 0.71 + 3.85 * 0.86 + 2.40 * 1 + 3.45 * 1) = 301.8889213178757

p2 = (610.39 * 3.45 * 1 + 489.36 * 2.80 * 0.71 + 303.80 * 3.65 * 0.71 + 242.99 * 4.60 * 0.57) / max_coefficients = 314.6607609077038

score = 301.8889213178757 * 0.5 + 314.6607609077038 * 0.5 = 308.2748411127898

Rating changes

Show

all results
Date Place Points Reason
2025-10-25 153 306.85 -> 308.27

Chasing Kan: 43% -> 29%
2025-10-13 155 -> 153 302.06 -> 306.85
2025-10-09 156 -> 155 302.06
2025-10-04 156 307.48 -> 302.06

Riichi over Volga: 86% -> 71%
2025-09-14 154 -> 156 316.13 -> 307.48

Guardian of the Winds: 86% -> 71%
2025-09-12 150 -> 154 320.50 -> 316.13

X Russian Championship: 71% -> 57%
2025-09-10 151 -> 150 320.50
2025-09-05 153 -> 151 318.29 -> 320.50

Finding Dora: 29% -> 14%
2025-09-03 153 319.91 -> 318.29

SPB Riichi Open 2023: 14% -> 0%
2025-09-01 158 -> 153 311.46 -> 319.91

SPB Riichi Open 2024: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 610 2025-08-31 31/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
2 258 2025-03-02 24/32 100% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
3 0 2024-09-01 96/96 86% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 304 2024-08-04 56/80 71% 3.65 RR Riichi over Volga Samara
5 489 2024-07-14 25/48 71% 2.80 RR Guardian of the Winds Yekaterinburg
6 243 2024-05-12 82/108 57% 4.60 RR X Russian Championship Perm
7 148 2024-02-25 24/28 29% 2.30 CRR Chasing Kan Yekaterinburg
8 37 2023-11-05 27/28 14% 2.30 CRR Finding Dora Yekaterinburg
9 411 2023-09-03 64/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
10 842 2023-08-27 4/20 0% 2.10 CRR 13 tiles until tempai Yekaterinburg
11 195 2023-06-11 71/88 0% 3.75 RR Money can not buy tenpai Perm
12 672 2022-03-20 23/68 0% 3.50 RR Tenpai can't buy happiness Perm
13 609 2019-06-16 10/24 0% 2.20 RR URAL Mahjong Battle Yekaterinburg
14 211 2018-05-01 57/72 0% 3.85 EMA Haru Shanten 2018 Perm
15 70 2017-11-12 67/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
16 0 2017-07-30 24/24 0% 2.20 RR Summer EMA rules tournament 2017 Yekaterinburg