Bogatikov Aleksander

From Moscow, Russia

EMA: 15990107

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Common russian riichi rating (CRR)

Rating date Nov. 28, 2023 (latest changes Nov. 28, 2023).

104 place (297.62).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001

p1 = (27.03 * 4.05 * 0.57 + 813.33 * 4.20 * 0.86 + 230.77 * 2.90 * 1 + 0 + 0) / (4.05 * 0.57 + 4.20 * 0.86 + 2.90 * 1 + 1 + 1) = 338.4162552397404

p2 = (813.33 * 4.20 * 0.86 + 230.77 * 2.90 * 1 + 27.03 * 4.05 * 0.57) / max_coefficients = 256.81938438520626

score = 338.4162552397404 * 0.5 + 256.81938438520626 * 0.5 = 297.61781981247333

Rating changes

Show

all results
Date Place Points Reason
2023-11-28 107 -> 104 312.54 -> 297.62

Saint Petersburg Open 2021: 14% -> 0%
2023-11-26 109 -> 107 291.00 -> 312.54

Autumn Agari tournament: 0% -> 100%
2023-11-06 107 -> 109 318.07 -> 291.00

IX Russian Riichi Championship: 100% -> 86%
2023-11-05 102 -> 107 318.07
2023-11-04 103 -> 102 318.07
2023-11-03 102 -> 103 318.07
2023-10-28 103 -> 102 318.07
2023-10-27 102 -> 103 318.07
2023-10-23 103 -> 102 318.07
2023-10-22 99 -> 103 318.07

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 86% 4.20 RR IX Russian Riichi Championship Perm
3 27 2022-06-12 109/112 57% 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