Bogatikov Aleksander

From Moscow, Russia

EMA: 15990107

Player page

Common russian riichi rating (CRR)

Rating date Aug. 18, 2024 (latest changes Aug. 18, 2024).

161 place (169.62).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3

p1 = (813.33 * 4.20 * 0.29 + 230.77 * 2.90 * 1 + 0 + 0 + 0) / (4.20 * 0.29 + 2.90 * 1 + 1 + 1 + 1) = 231.71745113338986

p2 = (813.33 * 4.20 * 0.29 + 230.77 * 2.90 * 1) / max_coefficients = 107.5281045751634

score = 231.71745113338986 * 0.5 + 107.5281045751634 * 0.5 = 169.62277785427662

Rating changes

Show

all results
Date Place Points Reason
2024-08-11 162 -> 161 169.05 -> 169.62
2024-08-04 159 -> 162 171.20 -> 169.05
2024-07-14 153 -> 159 171.20
2024-07-09 155 -> 153 171.20
2024-07-06 146 -> 155 210.29 -> 171.20

IX Russian Riichi Championship: 43% -> 29%
2024-06-27 148 -> 146 210.29
2024-06-11 146 -> 148 217.39 -> 210.29
2024-06-09 138 -> 146 217.39
2024-05-25 135 -> 138 217.39
2024-05-19 133 -> 135 217.39

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 231 2023-11-26 31/40 100% 2.90 CRR Autumn Agari tournament Moscow
2 813 2022-11-06 15/76 29% 4.20 RR IX Russian Riichi Championship Perm
3 27 2022-06-12 109/112 0% 4.05 RR Moscow Riichi 2022 Moscow
4 160 2021-11-28 64/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
5 421 2020-02-02 12/20 0% 2.40 CRR double-burning-2020 Moscow
6 757 2019-12-15 28/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
7 524 2018-12-16 31/64 0% 3.45 EMA White Dragon Tournament Moscow
8 218 2016-09-11 69/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
9 788 2016-03-13 22/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
10 373 2015-10-18 33/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
11 257 2015-08-22 27/36 0% 1.70 EMA Nizhny Novgorod Riichi Championship 2015 Nizhny Novgorod
12 512 2015-03-08 22/44 0% 2.50 EMA Moscow Riichi Championship 2015 Moscow
13 455 2015-01-25 7/12 0% 0.90 CRR "Haku no Ten" winter riichi mahjong tournament 2015 Vologda
14 0 2014-12-07 64/64 0% 3.15 EMA Russian Open Riichi Championship 2014 Moscow
15 130 2014-10-18 21/24 0% 1.40 EMA Vologda Riichi Championship 2014 Vologda
16 206 2014-09-21 51/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014 Moscow
17 533 2014-06-29 8/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2014 Vologda
18 493 2014-02-15 39/76 0% 2.50 RR Moscow Riichi 2014 Moscow
19 254 2013-12-08 54/72 0% 3.25 EMA Russian Riichi Championship 2013 Moscow
20 545 2013-05-19 26/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013 Moscow