Kazantseva Polina

From Novosibirsk, Russia

EMA: 15020026

Player page

Common russian riichi rating (CRR)

Rating date Sept. 2, 2026 (latest changes Sept. 2, 2026).

146 place (382.22).

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

p1 = (612.90 * 2.40 * 0.57 + 245.61 * 3.90 * 1 + 742.86 * 2.50 * 1 + 565.22 * 2.20 * 1 + 0) / (2.40 * 0.57 + 3.90 * 1 + 2.50 * 1 + 2.20 * 1 + 1) = 446.5280512169868

p2 = (742.86 * 2.50 * 1 + 565.22 * 2.20 * 1 + 245.61 * 3.90 * 1 + 612.90 * 2.40 * 0.57) / max_coefficients = 317.9117456197274

score = 446.5280512169868 * 0.5 + 317.9117456197274 * 0.5 = 382.2198984183571

Rating changes

Show

all results
Date Place Points Reason
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
2026-08-15 189 -> 188 304.41 -> 305.28
2026-08-13 183 -> 189 315.21 -> 304.41

Akademgorodok Riichi Mahjong Tournament 2025: 71% -> 57%
2026-08-04 185 -> 183 315.21
2026-08-02 184 -> 185 315.21
2026-07-25 183 -> 184 315.21

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 57% 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