Perov Nikita

Russian Champion 2016

From Moscow, Russia

EMA: 15990030

Player page

Common russian riichi rating (CRR)

Rating date Dec. 6, 2025 (latest changes Dec. 4, 2025).

143 place (323.40).

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

p1 = (213.48 * 3.75 * 0.86 + 824.56 * 3.90 * 1 + 0 + 0 + 0) / (3.75 * 0.86 + 3.90 * 1 + 1 + 1 + 1) = 385.7921471209818

p2 = (824.56 * 3.90 * 1 + 213.48 * 3.75 * 0.86) / max_coefficients = 261.0

score = 385.7921471209818 * 0.5 + 261.0 * 0.5 = 323.3960735604909

Rating changes

Show

all results
Date Place Points Reason
2025-12-04 145 -> 143 323.40
2025-11-25 135 -> 145 348.95 -> 323.40
2025-11-22 133 -> 135 348.95
2025-11-19 134 -> 133 348.95
2025-11-12 135 -> 134 348.95
2025-11-10 136 -> 135 348.95
2025-11-04 261 -> 136 93.35 -> 348.95

XI Russian Championship: 0% -> 100%
2025-11-01 261 93.24 -> 93.35
2025-10-25 262 -> 261 93.24
2025-10-22 263 -> 262 93.24

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 825 2025-11-04 11/58 100% 3.90 RR XI Russian Championship Moscow
2 213 2024-10-13 71/90 86% 3.75 RR Moscow Riichi 2024 Moscow
3 385 2023-11-26 25/40 0% 2.90 CRR Autumn Agari tournament Moscow
4 306 2022-06-12 78/112 0% 4.05 RR Moscow Riichi 2022 Moscow
5 213 2018-08-19 38/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
6 852 2018-05-20 5/28 0% 3.50 CRR A-League Moscow
7 963 2018-01-20 🥈 2/28 0% 1.70 CRR Team tournament Agari. Season event Moscow
8 429 2017-10-22 37/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
9 718 2017-03-11 12/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules) Moscow
10 1000 2016-09-11 🥇 1/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
11 1000 2016-04-17 🥇 1/16 0% 1.20 RR Riichi mahjong league tournament 2016 (JPML-A rules) Moscow
12 818 2016-03-13 19/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
13 190 2014-12-07 52/64 0% 3.15 EMA Russian Open Riichi Championship 2014 Moscow
14 825 2014-09-21 12/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014 Moscow
15 773 2014-02-15 18/76 0% 2.50 RR Moscow Riichi 2014 Moscow
16 845 2013-12-08 12/72 0% 3.25 EMA Russian Riichi Championship 2013 Moscow
17 836 2013-05-19 10/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013 Moscow
18 600 2011-04-23 15/36 0% 0.90 EMA Moscow Riichi 2011 Moscow