Kazantseva Polina

From Novosibirsk, Russia

EMA: 15020026

Player page

Common russian riichi rating (CRR)

Rating date April 20, 2026 (latest changes April 19, 2026).

166 place (331.20).

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

p1 = (612.90 * 2.40 * 0.86 + 245.61 * 3.90 * 1 + 742.86 * 2.50 * 1 + 0 + 0) / (2.40 * 0.86 + 3.90 * 1 + 2.50 * 1 + 1 + 1) = 389.76612884716906

p2 = (742.86 * 2.50 * 1 + 612.90 * 2.40 * 0.86 + 245.61 * 3.90 * 1) / max_coefficients = 272.628762541806

score = 389.76612884716906 * 0.5 + 272.628762541806 * 0.5 = 331.19744569448756

Rating changes

Show

all results
Date Place Points Reason
2026-04-19 244 -> 166 198.05 -> 331.20

Akademgorodok Riichi Mahjong Tournament 2026: 0% -> 100%
2026-04-13 239 -> 244 211.82 -> 198.05

Akademgorodok Riichi Mahjong Tournament 2025: 100% -> 86%
2026-04-11 232 -> 239 211.82
2026-04-05 227 -> 232 211.82
2026-04-04 230 -> 227 211.82
2026-03-30 232 -> 230 211.82
2026-03-25 233 -> 232 211.82
2026-03-21 229 -> 233 211.82
2026-03-14 223 -> 229 211.82
2026-03-10 225 -> 223 211.82

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 743 2026-04-19 10/36 100% 2.50 CRR Akademgorodok Riichi Mahjong Tournament 2026 Novosibirsk
2 246 2025-11-04 44/58 100% 3.90 RR XI Russian Championship Moscow
3 613 2025-04-13 13/32 86% 2.40 CRR Akademgorodok Riichi Mahjong Tournament 2025 Novosibirsk
4 453 2022-11-06 42/76 0% 4.20 RR IX Russian Riichi Championship Perm
5 712 2022-06-12 33/112 0% 4.05 RR Moscow Riichi 2022 Moscow
6 636 2022-03-20 25/67 0% 3.45 RR Tenpai can't buy happiness Perm
7 474 2020-01-05 11/20 0% 2.10 EMA Snow Dragon Tournament Novosibirsk
8 519 2019-08-25 14/28 0% 2.30 RR The Green dragon tournament Novosibirsk
9 491 2019-01-05 29/56 0% 3.00 EMA Snow Dragon Novosibirsk
10 130 2018-08-12 21/24 0% 2.20 RR Siberian riichi Novosibirsk
11 355 2018-01-05 21/32 0% 2.20 RR Russian riichi championship by JPML-B rules Novosibirsk
12 87 2017-08-13 22/24 0% 2.20 EMA Siberia Cup 2017 Novosibirsk
13 29 2017-01-05 35/36 0% 2.50 RR Quick discard 2017 Novosibirsk
14 302 2016-01-05 31/44 0% 1.90 RR Eighth winter tournament Novosibirsk
15 957 2014-01-06 🥈 2/24 0% 1.40 RR Furiten tournament 2014 Novosibirsk
16 194 2013-01-05 26/32 0% 2.00 RR Riichi tournament 2013 Novosibirsk