Kazantseva Polina

From Novosibirsk, Russia

EMA: 15020026

Player page

Common russian riichi rating (CRR)

Rating date Oct. 13, 2026 (latest changes Oct. 13, 2026).

149 place (372.72).

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

p1 = (612.90 * 2.40 * 0.43 + 245.61 * 3.90 * 1 + 742.86 * 2.50 * 1 + 565.22 * 2.20 * 1 + 0) / (2.40 * 0.43 + 3.90 * 1 + 2.50 * 1 + 2.20 * 1 + 1) = 441.1636860407351

p2 = (742.86 * 2.50 * 1 + 565.22 * 2.20 * 1 + 245.61 * 3.90 * 1 + 612.90 * 2.40 * 0.43) / max_coefficients = 304.28098637248536

score = 441.1636860407351 * 0.5 + 304.28098637248536 * 0.5 = 372.72233620661024

Rating changes

Show

all results
Date Place Points Reason
2026-10-13 149 382.22 -> 372.72

Akademgorodok Riichi Mahjong Tournament 2025: 57% -> 43%
2026-10-08 150 -> 149 382.22
2026-09-26 148 -> 150 382.22
2026-09-07 149 -> 148 382.22
2026-09-06 146 -> 149 382.22
2026-09-01 147 -> 146 382.22
2026-08-31 147 381.71 -> 382.22
2026-08-30 193 -> 147 305.28 -> 381.71

Dora Hunt: 0% -> 100%
2026-08-26 194 -> 193 305.28
2026-08-16 188 -> 194 305.28

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 565 2026-08-30 11/24 100% 2.20 CRR Dora Hunt Barnaul
2 743 2026-04-19 10/36 100% 2.50 CRR Akademgorodok Riichi Mahjong Tournament 2026 Novosibirsk
3 246 2025-11-04 44/58 100% 3.90 RR XI Russian Championship Moscow
4 613 2025-04-13 13/32 43% 2.40 CRR Akademgorodok Riichi Mahjong Tournament 2025 Novosibirsk
5 453 2022-11-06 42/76 0% 4.20 RR IX Russian Riichi Championship Perm
6 712 2022-06-12 33/112 0% 4.05 RR Moscow Riichi 2022 Moscow
7 636 2022-03-20 25/67 0% 3.45 RR Tenpai can't buy happiness Perm
8 474 2020-01-05 11/20 0% 2.10 EMA Snow Dragon Tournament Novosibirsk
9 519 2019-08-25 14/28 0% 2.30 RR The Green dragon tournament Novosibirsk
10 491 2019-01-05 29/56 0% 3.00 EMA Snow Dragon Novosibirsk
11 130 2018-08-12 21/24 0% 2.20 RR Siberian riichi Novosibirsk
12 355 2018-01-05 21/32 0% 2.20 RR Russian riichi championship by JPML-B rules Novosibirsk
13 87 2017-08-13 22/24 0% 2.20 EMA Siberia Cup 2017 Novosibirsk
14 29 2017-01-05 35/36 0% 2.50 RR Quick discard 2017 Novosibirsk
15 302 2016-01-05 31/44 0% 1.90 RR Eighth winter tournament Novosibirsk
16 957 2014-01-06 🥈 2/24 0% 1.40 RR Furiten tournament 2014 Novosibirsk
17 194 2013-01-05 26/32 0% 2.00 RR Riichi tournament 2013 Novosibirsk