Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Common russian riichi rating (CRR)

Rating date Sept. 5, 2026 (latest changes Sept. 4, 2026).

228 place (262.05).

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 + 0) / (2.40 * 0.43 + 3.45 * 0.86 + 3.90 * 1 + 3.40 * 1 + 1) = 291.6096725973057

p2 = (610.39 * 3.45 * 0.86 + 283.78 * 3.40 * 1 + 140.35 * 3.90 * 1 + 258.06 * 2.40 * 0.43) / max_coefficients = 232.48604802076574

score = 291.6096725973057 * 0.5 + 232.48604802076574 * 0.5 = 262.04786030903574

Rating changes

Show

all results
Date Place Points Reason
2026-09-02 227 -> 228 264.46 -> 262.05

Riichi Maslenitsa (shrovetide): 57% -> 43%
2026-09-01 228 -> 227 269.83 -> 264.46

SPB Riichi Open 2024: 14% -> 0%
2026-08-31 216 -> 228 285.19 -> 269.83

SPB Riichi Open 2025: 100% -> 86%
2026-08-30 214 -> 216 285.19
2026-08-26 215 -> 214 285.19
2026-08-16 208 -> 215 285.19
2026-08-15 208 284.25 -> 285.19
2026-08-14 209 -> 208 284.25
2026-08-13 211 -> 209 284.25
2026-08-04 213 -> 211 284.06 -> 284.25

Riichi over Volga: 14% -> 0%

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 86% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
4 258 2025-03-02 24/32 43% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
5 0 2024-09-01 96/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
6 304 2024-08-04 56/80 0% 3.65 RR Riichi over Volga Samara
7 489 2024-07-14 25/48 0% 2.80 RR Guardian of the Winds Yekaterinburg
8 243 2024-05-12 82/108 0% 4.60 RR X Russian Championship Perm
9 148 2024-02-25 24/28 0% 2.30 CRR Chasing Kan Yekaterinburg
10 37 2023-11-05 27/28 0% 2.30 CRR Finding Dora Yekaterinburg
11 411 2023-09-03 64/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
12 842 2023-08-27 4/20 0% 2.10 CRR 13 tiles until tempai Yekaterinburg
13 195 2023-06-11 71/88 0% 3.75 RR Money can not buy tenpai Perm
14 667 2022-03-20 23/67 0% 3.45 RR Tenpai can't buy happiness Perm
15 609 2019-06-16 10/24 0% 2.20 RR URAL Mahjong Battle Yekaterinburg
16 211 2018-05-01 57/72 0% 3.85 EMA Haru Shanten 2018 Perm
17 70 2017-11-12 67/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
18 0 2017-07-30 24/24 0% 2.20 RR Summer EMA rules tournament 2017 Yekaterinburg