Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Internal rating (RR)

Rating date Sept. 13, 2026 (latest changes Sept. 13, 2026).

132 place (356.97).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (258.06 * 2.40 * 0.43 + 610.39 * 3.45 * 0.86 + 140.35 * 3.90 * 1 + 283.78 * 3.40 * 1 + 563.38 * 3.40 * 1) / (2.40 * 0.43 + 3.45 * 0.86 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 374.3862624939269

p2 = (563.38 * 3.40 * 1 + 610.39 * 3.45 * 0.86 + 283.78 * 3.40 * 1 + 140.35 * 3.90 * 1) / max_coefficients = 339.56132381570404

score = 374.3862624939269 * 0.5 + 339.56132381570404 * 0.5 = 356.97379315481544

Rating changes

Show

all results
Date Place Points Reason
2026-09-13 133 -> 132 356.97
2026-09-07 134 -> 133 356.97
2026-09-06 169 -> 134 262.05 -> 356.97

Sunset Wolf Cup 2026: 0% -> 100%
2026-09-02 169 264.46 -> 262.05

Riichi Maslenitsa (shrovetide): 57% -> 43%
2026-09-01 169 269.83 -> 264.46

SPB Riichi Open 2024: 14% -> 0%
2026-08-31 163 -> 169 285.19 -> 269.83

SPB Riichi Open 2025: 100% -> 86%
2026-08-26 164 -> 163 285.19
2026-08-16 161 -> 164 285.19
2026-08-15 162 -> 161 284.25 -> 285.19
2026-08-13 163 -> 162 284.25

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 563 2026-09-06 32/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
2 284 2026-02-23 54/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
3 140 2025-11-04 50/58 100% 3.90 RR XI Russian Championship Moscow
4 610 2025-08-31 31/78 86% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
5 258 2025-03-02 24/32 43% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
6 0 2024-09-01 96/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
7 304 2024-08-04 56/80 0% 3.65 RR Riichi over Volga Samara
8 489 2024-07-14 25/48 0% 2.80 RR Guardian of the Winds Yekaterinburg
9 243 2024-05-12 82/108 0% 4.60 RR X Russian Championship Perm
10 411 2023-09-03 64/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
11 195 2023-06-11 71/88 0% 3.75 RR Money can not buy tenpai Perm
12 667 2022-03-20 23/67 0% 3.45 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