Altynchurin Alexandr

From Ivanovo, Russia

EMA: 15990184

Player page

Common russian riichi rating (CRR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

178 place (39.31).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (400 * 1.40 * 0.57 + 9.01 * 4.05 * 0.86 + 0 + 0 + 0) / (1.40 * 0.57 + 4.05 * 0.86 + 1 + 1 + 1) = 48.3069198201401

p2 = (400 * 1.40 * 0.57 + 9.01 * 4.05 * 0.86) / max_coefficients = 30.317690555855975

score = 48.3069198201401 * 0.5 + 30.317690555855975 * 0.5 = 39.312305187998035

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 242 -> 178 134.40 -> 39.31
2020-02-01 242 134.40

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 9 2019-12-15 111/112 86% 4.05 EMA VIII Russian Riichi Championship
2 400 2019-08-03 10/16 57% 1.40 RR Ivanovo open riichi tournament 2019
3 264 2018-11-18 68/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
4 400 2018-08-04 10/16 0% 1.40 CRR Ivanovo open riichi tournament 2018
5 14 2017-11-12 71/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
6 593 2017-08-06 12/28 0% 2.30 EMA Ivanovo Region Riichi 2017
7 930 2017-03-18 4/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
8 273 2017-02-26 9/12 0% 1.30 CRR Ivanovo riichi mahjong tournament 2017
9 867 2016-08-13 3/16 0% 1.40 RR Orphan Tournament 2016
10 333 2016-02-22 27/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016
11 533 2016-01-09 8/16 0% 1.40 RR Ivanovo riichi mahjong tournament 2016
12 57 2015-08-22 34/36 0% 1.70 EMA Nizhny Novgorod Riichi Championship 2015
13 95 2014-12-07 58/64 0% 3.15 EMA Russian Open Riichi Championship 2014
14 587 2014-02-15 32/76 0% 2.50 RR Moscow Riichi 2014
15 891 2013-05-19 7/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013