Kim Sofiya

From Novosibirsk, Russia

EMA: 15020096

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Internal rating (RR)

Rating date Feb. 16, 2025 (latest changes Feb. 16, 2025).

66 place (485.80).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (218.39 * 3.75 * 0.29 + 233.64 * 4 * 0.57 + 196.26 * 4.60 * 1 + 680.85 * 2.80 * 1 + 658.23 * 3.65 * 1 + 694.74 * 3.85 * 1) / (3.75 * 0.29 + 4 * 0.57 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1) = 474.03526597368955

p2 = (694.74 * 3.85 * 1 + 658.23 * 3.65 * 1 + 680.85 * 2.80 * 1 + 196.26 * 4.60 * 1) / max_coefficients = 497.56782334384866

score = 474.03526597368955 * 0.5 + 497.56782334384866 * 0.5 = 485.8015446587691

Rating changes

Show

all results
Date Place Points Reason
2025-02-16 61 -> 66 485.80
2025-02-11 65 -> 61 482.16 -> 485.80

Money can not buy tenpai: 43% -> 29%
2025-02-02 61 -> 65 482.16
2025-01-26 60 -> 61 482.16
2025-01-07 59 -> 60 482.16
2025-01-03 60 -> 59 478.72 -> 482.16

SPB Riichi Open 2023: 71% -> 57%
2024-12-11 60 475.47 -> 478.72

Money can not buy tenpai: 57% -> 43%
2024-11-06 62 -> 60 475.47
2024-11-03 64 -> 62 472.40 -> 475.47

SPB Riichi Open 2023: 86% -> 71%
2024-10-13 56 -> 64 477.55 -> 472.40

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 695 2024-09-01 30/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
2 658 2024-08-04 28/80 100% 3.65 RR Riichi over Volga Samara
3 681 2024-07-14 16/48 100% 2.80 RR Guardian of the Winds Yekaterinburg
4 196 2024-05-12 87/108 100% 4.60 RR X Russian Championship Perm
5 234 2023-09-03 83/108 57% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
6 218 2023-06-11 69/88 29% 3.75 RR Money can not buy tenpai Perm
7 104 2022-03-20 61/68 0% 3.50 RR Tenpai can't buy happiness Perm
8 211 2020-01-05 16/20 0% 2.10 EMA Snow Dragon Tournament Novosibirsk
9 794 2019-11-04 14/64 0% 3.85 EMA Aki Shanten 2019 Perm
10 880 2019-05-04 11/84 0% 4.20 EMA Haru Shanten 2019 Perm
11 109 2019-01-05 50/56 0% 3.00 EMA Snow Dragon Novosibirsk
12 143 2018-11-18 79/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
13 174 2018-08-12 20/24 0% 2.20 RR Siberian riichi Novosibirsk
14 1000 2018-01-05 🥇 1/32 0% 2.20 RR Russian riichi championship by JPML-B rules Novosibirsk
15 371 2017-01-05 23/36 0% 2.50 RR Quick discard 2017 Novosibirsk
16 907 2016-01-05 5/44 0% 1.90 RR Eighth winter tournament Novosibirsk
17 714 2015-01-07 11/36 0% 1.70 RR Seventh winter tournament Novosibirsk