Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Internal rating (RR)

Rating date March 5, 2026 (latest changes March 2, 2026).

153 place (289.84).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (242.99 * 4.60 * 0.29 + 489.36 * 2.80 * 0.43 + 303.80 * 3.65 * 0.43 + 0 * 3.85 * 0.43 + 258.06 * 2.40 * 0.86 + 610.39 * 3.45 * 1 + 140.35 * 3.90 * 1 + 283.78 * 3.40 * 1) / (4.60 * 0.29 + 2.80 * 0.43 + 3.65 * 0.43 + 3.85 * 0.43 + 2.40 * 0.86 + 3.45 * 1 + 3.90 * 1 + 3.40 * 1) = 298.3835639496241

p2 = (610.39 * 3.45 * 1 + 283.78 * 3.40 * 1 + 489.36 * 2.80 * 0.43 + 140.35 * 3.90 * 1) / max_coefficients = 281.2936454849499

score = 298.3835639496241 * 0.5 + 281.2936454849499 * 0.5 = 289.838604717287

Rating changes

Show

all results
Date Place Points Reason
2026-03-02 150 -> 153 291.88 -> 289.84

Riichi Maslenitsa (shrovetide): 100% -> 86%
2026-03-01 154 -> 150 287.67 -> 291.88

SPB Riichi Open 2024: 57% -> 43%
2026-02-23 150 -> 154 274.28 -> 287.67

White Wolf Cup 2026: 0% -> 100%
2026-02-16 152 -> 150 274.28
2026-02-13 153 -> 152 274.28
2026-02-08 150 -> 153 274.28
2026-02-04 147 -> 150 277.38 -> 274.28

Riichi over Volga: 57% -> 43%
2026-02-02 148 -> 147 277.38
2026-01-26 149 -> 148 277.38
2026-01-25 148 -> 149 277.38

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 284 2026-02-23 54/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
2 140 2025-11-04 50/58 100% 3.90 RR XI Russian Championship Moscow
3 610 2025-08-31 31/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
4 258 2025-03-02 24/32 86% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
5 0 2024-09-01 96/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
6 304 2024-08-04 56/80 43% 3.65 RR Riichi over Volga Samara
7 489 2024-07-14 25/48 43% 2.80 RR Guardian of the Winds Yekaterinburg
8 243 2024-05-12 82/108 29% 4.60 RR X Russian Championship Perm
9 411 2023-09-03 64/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
10 195 2023-06-11 71/88 0% 3.75 RR Money can not buy tenpai Perm
11 667 2022-03-20 23/67 0% 3.45 RR Tenpai can't buy happiness Perm
12 609 2019-06-16 10/24 0% 2.20 RR URAL Mahjong Battle Yekaterinburg
13 211 2018-05-01 57/72 0% 3.85 EMA Haru Shanten 2018 Perm
14 70 2017-11-12 67/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
15 0 2017-07-30 24/24 0% 2.20 RR Summer EMA rules tournament 2017 Yekaterinburg