Kim Sofiya

From Novosibirsk, Russia

EMA: 15020096

Player page

Common russian riichi rating (CRR)

Rating date Feb. 9, 2026 (latest changes Feb. 8, 2026).

30 place (647.66).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (466.67 * 1.60 * 0.29 + 196.26 * 4.60 * 0.29 + 680.85 * 2.80 * 0.43 + 658.23 * 3.65 * 0.43 + 694.74 * 3.85 * 0.57 + 869.57 * 2.20 * 0.57 + 967.74 * 2.40 * 1 + 805.97 * 4.10 * 1 + 532.47 * 3.45 * 1 + 1000 * 1.90 * 1 + 257.14 * 2.50 * 1) / (1.60 * 0.29 + 4.60 * 0.29 + 2.80 * 0.43 + 3.65 * 0.43 + 3.85 * 0.57 + 2.20 * 0.57 + 2.40 * 1 + 4.10 * 1 + 3.45 * 1 + 1.90 * 1 + 2.50 * 1) = 668.960621731047

p2 = (805.97 * 4.10 * 1 + 967.74 * 2.40 * 1 + 1000 * 1.90 * 1 + 532.47 * 3.45 * 1) / max_coefficients = 626.3591973244147

score = 668.960621731047 * 0.5 + 626.3591973244147 * 0.5 = 647.6599095277309

Rating changes

Show

all results
Date Place Points Reason
2026-02-08 25 -> 30 673.60 -> 647.66

One tsumo until spring: 0% -> 100%
2026-02-04 24 -> 25 672.80 -> 673.60

Riichi over Volga: 57% -> 43%
2026-02-02 26 -> 24 672.80
2026-02-01 28 -> 26 672.80
2026-01-25 24 -> 28 672.80
2026-01-15 23 -> 24 673.94 -> 672.80

Tails, money, two renchans: 71% -> 57%
2026-01-14 23 673.56 -> 673.94

Guardian of the Winds: 57% -> 43%
2026-01-12 25 -> 23 665.63 -> 673.56

X Russian Championship: 43% -> 29%
2026-01-07 27 -> 25 665.63
2026-01-05 27 664.39 -> 665.63

Akademgorodok: Riichi Mahjong Tournament 2024: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 257 2026-02-08 27/36 100% 2.50 RR One tsumo until spring Yekaterinburg
2 1000 2026-01-03 🥇 1/20 100% 1.90 CRR Riichi in country home Megion
3 194 2025-11-30 26/32 100% 3.00 RR Final Cup 2025 Moscow
4 532 2025-08-31 37/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
5 806 2025-06-15 14/68 100% 4.10 RR 13 bloody tiles Perm
6 968 2025-03-02 🥈 2/32 100% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
7 870 2024-09-15 4/24 57% 2.20 CRR Tails, money, two renchans Tyumen
8 695 2024-09-01 30/96 57% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
9 658 2024-08-04 28/80 43% 3.65 RR Riichi over Volga Samara
10 681 2024-07-14 16/48 43% 2.80 RR Guardian of the Winds Yekaterinburg
11 196 2024-05-12 87/108 29% 4.60 RR X Russian Championship Perm
12 467 2024-05-05 9/16 29% 1.60 CRR Akademgorodok: Riichi Mahjong Tournament 2024 Novosibirsk
13 234 2023-09-03 83/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
14 218 2023-06-11 69/88 0% 3.75 RR Money can not buy tenpai Perm
15 104 2022-03-20 61/68 0% 3.50 RR Tenpai can't buy happiness Perm
16 211 2020-01-05 16/20 0% 2.10 EMA Snow Dragon Tournament Novosibirsk
17 794 2019-11-04 14/64 0% 3.85 EMA Aki Shanten 2019 Perm
18 880 2019-05-04 11/84 0% 4.20 EMA Haru Shanten 2019 Perm
19 109 2019-01-05 50/56 0% 3.00 EMA Snow Dragon Novosibirsk
20 143 2018-11-18 79/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
21 105 2018-10-21 18/20 0% 1.30 CRR Awakening of the rising sun dragon Novosibirsk
22 174 2018-08-12 20/24 0% 2.20 RR Siberian riichi Novosibirsk
23 1000 2018-01-05 🥇 1/32 0% 2.20 RR Russian riichi championship by JPML-B rules Novosibirsk
24 371 2017-01-05 23/36 0% 2.50 RR Quick discard 2017 Novosibirsk
25 907 2016-01-05 5/44 0% 1.90 RR Eighth winter tournament Novosibirsk
26 714 2015-01-07 11/36 0% 1.70 RR Seventh winter tournament Novosibirsk