Matrosova Natalia

From Yekaterinburg, Russia

EMA: 15020064

Player page

Common russian riichi rating (CRR)

Rating date Nov. 3, 2026 (latest changes Nov. 3, 2026).

172 place (344.46).

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

p1 = (258.06 * 2.40 * 0.29 + 610.39 * 3.45 * 0.71 + 140.35 * 3.90 * 1 + 283.78 * 3.40 * 1 + 563.38 * 3.40 * 1) / (2.40 * 0.29 + 3.45 * 0.71 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 368.871080645039

p2 = (563.38 * 3.40 * 1 + 610.39 * 3.45 * 0.71 + 283.78 * 3.40 * 1 + 140.35 * 3.90 * 1) / max_coefficients = 320.0467229072031

score = 368.871080645039 * 0.5 + 320.0467229072031 * 0.5 = 344.458901776121

Rating changes

Show

all results
Date Place Points Reason
2026-11-02 174 -> 172 343.12 -> 344.46

Riichi Maslenitsa (shrovetide): 43% -> 29%
2026-11-01 172 -> 174 343.12
2026-10-31 163 -> 172 356.97 -> 343.12

SPB Riichi Open 2025: 86% -> 71%
2026-10-24 161 -> 163 356.97
2026-10-17 159 -> 161 356.97
2026-10-13 161 -> 159 356.97
2026-09-26 160 -> 161 356.97
2026-09-23 161 -> 160 356.97
2026-09-15 162 -> 161 356.97
2026-09-13 163 -> 162 356.97

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 71% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
5 258 2025-03-02 24/32 29% 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
10 148 2024-02-25 24/28 0% 2.30 CRR Chasing Kan Yekaterinburg
11 37 2023-11-05 27/28 0% 2.30 CRR Finding Dora Yekaterinburg
12 411 2023-09-03 64/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
13 842 2023-08-27 4/20 0% 2.10 CRR 13 tiles until tempai Yekaterinburg
14 195 2023-06-11 71/88 0% 3.75 RR Money can not buy tenpai Perm
15 667 2022-03-20 23/67 0% 3.45 RR Tenpai can't buy happiness Perm
16 609 2019-06-16 10/24 0% 2.20 RR URAL Mahjong Battle Yekaterinburg
17 211 2018-05-01 57/72 0% 3.85 EMA Haru Shanten 2018 Perm
18 70 2017-11-12 67/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
19 0 2017-07-30 24/24 0% 2.20 RR Summer EMA rules tournament 2017 Yekaterinburg