Kim Sofiya

From Novosibirsk, Russia

EMA: 15020096

Player page

Internal rating (RR)

Rating date Aug. 3, 2025 (latest changes Aug. 3, 2025).

28 place (672.43).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35

p1 = (233.64 * 4 * 0.14 + 196.26 * 4.60 * 0.71 + 680.85 * 2.80 * 0.86 + 658.23 * 3.65 * 1 + 694.74 * 3.85 * 1 + 967.74 * 2.40 * 1 + 805.97 * 4.10 * 1) / (4 * 0.14 + 4.60 * 0.71 + 2.80 * 0.86 + 3.65 * 1 + 3.85 * 1 + 2.40 * 1 + 4.10 * 1) = 647.5066223171348

p2 = (805.97 * 4.10 * 1 + 694.74 * 3.85 * 1 + 658.23 * 3.65 * 1 + 967.74 * 2.40 * 1) / max_coefficients = 697.3504885993485

score = 647.5066223171348 * 0.5 + 697.3504885993485 * 0.5 = 672.4285554582416

Rating changes

Show

all results
Date Place Points Reason
2025-08-03 26 -> 28 672.43
2025-07-14 26 672.75 -> 672.43

Guardian of the Winds: 100% -> 86%
2025-07-13 27 -> 26 672.75
2025-07-12 29 -> 27 659.26 -> 672.75

X Russian Championship: 86% -> 71%
2025-07-03 30 -> 29 654.04 -> 659.26

SPB Riichi Open 2023: 29% -> 14%
2025-06-15 43 -> 30 597.16 -> 654.04

13 bloody tiles: 0% -> 100%
2025-06-11 44 -> 43 591.84 -> 597.16

Money can not buy tenpai: 14% -> 0%
2025-05-12 47 -> 44 572.65 -> 591.84

X Russian Championship: 100% -> 86%
2025-05-03 46 -> 47 567.91 -> 572.65

SPB Riichi Open 2023: 43% -> 29%
2025-04-26 44 -> 46 567.91

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 806 2025-06-15 14/68 100% 4.10 RR 13 bloody tiles Perm
2 968 2025-03-02 🥈 2/32 100% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
3 695 2024-09-01 30/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 658 2024-08-04 28/80 100% 3.65 RR Riichi over Volga Samara
5 681 2024-07-14 16/48 86% 2.80 RR Guardian of the Winds Yekaterinburg
6 196 2024-05-12 87/108 71% 4.60 RR X Russian Championship Perm
7 234 2023-09-03 83/108 14% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
8 218 2023-06-11 69/88 0% 3.75 RR Money can not buy tenpai Perm
9 104 2022-03-20 61/68 0% 3.50 RR Tenpai can't buy happiness Perm
10 211 2020-01-05 16/20 0% 2.10 EMA Snow Dragon Tournament Novosibirsk
11 794 2019-11-04 14/64 0% 3.85 EMA Aki Shanten 2019 Perm
12 880 2019-05-04 11/84 0% 4.20 EMA Haru Shanten 2019 Perm
13 109 2019-01-05 50/56 0% 3.00 EMA Snow Dragon Novosibirsk
14 143 2018-11-18 79/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
15 174 2018-08-12 20/24 0% 2.20 RR Siberian riichi Novosibirsk
16 1000 2018-01-05 🥇 1/32 0% 2.20 RR Russian riichi championship by JPML-B rules Novosibirsk
17 371 2017-01-05 23/36 0% 2.50 RR Quick discard 2017 Novosibirsk
18 907 2016-01-05 5/44 0% 1.90 RR Eighth winter tournament Novosibirsk
19 714 2015-01-07 11/36 0% 1.70 RR Seventh winter tournament Novosibirsk