Bogatikov Aleksander

From Moscow, Russia

EMA: 15990107

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Internal rating (RR)

Rating date May 29, 2020 (latest changes May 28, 2020).

103 place (364.14).

max_coefficients = (4.05 * 1 + 3.85 * 1 + 4.20 * 0.86 + 3.45 * 1) = 14.949819999999999

p1 = (523.81 * 3.45 * 0.57 + 756.76 * 4.05 * 1 + 0 + 0 + 0) / (3.45 * 0.57 + 4.05 * 1 + 1 + 1 + 1) = 454.1968867118264

p2 = (756.76 * 4.05 * 1 + 523.81 * 3.45 * 0.57) / max_coefficients = 274.0808919438495

score = 454.1968867118264 * 0.5 + 274.0808919438495 * 0.5 = 364.13888932783794

Chart scale: normalized original

Rating changes

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all results
Date Place Points Reason
2020-05-22 104 -> 103 364.14
2020-05-18 105 -> 104 364.14
2020-05-17 106 -> 105 364.14
2020-05-15 105 -> 106 364.14
2020-05-13 107 -> 105 364.14
2020-05-09 108 -> 107 364.14
2020-05-04 108 358.85 -> 364.14
2020-05-01 110 -> 108 358.85
2020-04-28 111 -> 110 358.85
2020-04-16 105 -> 111 368.96 -> 358.85

White Dragon Tournament: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 757 2019-12-15 28/112 100% 4.05 EMA VIII Russian Riichi Championship
2 524 2018-12-16 31/64 57% 3.45 EMA White Dragon Tournament
3 218 2016-09-11 69/88 0% 3.45 EMA V Russian Riichi Championship 2016
4 788 2016-03-13 22/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
5 373 2015-10-18 33/52 0% 2.90 EMA Russian Open Riichi Championship 2015
6 257 2015-08-22 27/36 0% 1.70 EMA Nizhny Novgorod Riichi Championship 2015
7 512 2015-03-08 22/44 0% 2.50 EMA Moscow Riichi Championship 2015
8 0 2014-12-07 64/64 0% 3.15 EMA Russian Open Riichi Championship 2014
9 130 2014-10-18 21/24 0% 1.40 EMA Vologda Riichi Championship 2014
10 206 2014-09-21 51/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014
11 533 2014-06-29 8/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2014
12 493 2014-02-15 39/76 0% 2.50 RR Moscow Riichi 2014
13 254 2013-12-08 54/72 0% 3.25 RR Russian Riichi Championship 2013
14 545 2013-05-19 26/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013