Bogatikov Aleksander
From Moscow, Russia
EMA: 15990107
Internal rating (RR)
Rating date Nov. 19, 2022 (latest changes Nov. 19, 2022).
76 place (282.94).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 1) = 15.2
p1 = (27.03 * 4.05 * 1 + 813.33 * 4.20 * 1 + 160 * 3.45 * 1 + 0 + 0) / (4.05 * 1 + 4.20 * 1 + 3.45 * 1 + 1 + 1) = 297.6248175182482
p2 = (813.33 * 4.20 * 1 + 160 * 3.45 * 1 + 27.03 * 4.05 * 1) / max_coefficients = 268.25394736842105
score = 297.6248175182482 * 0.5 + 268.25394736842105 * 0.5 = 282.93938244333464
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-11-06 | 77 -> 76 | 54.63 -> 282.94 |
IX Russian Riichi Championship: 0% -> 100% |
2022-10-14 | 107 -> 77 | 378.88 -> 54.63 | |
2020-02-01 | 107 | 378.88 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 813 |
|
15/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 27 |
|
109/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
3 | 160 |
|
64/76 | 100% | 3.45 | RR | Saint Petersburg Open 2021 |
4 | 757 |
|
28/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
5 | 524 |
|
31/64 | 0% | 3.45 | EMA | White Dragon Tournament |
6 | 218 |
|
69/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 |
7 | 788 |
|
22/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
8 | 373 |
|
33/52 | 0% | 2.90 | EMA | Russian Open Riichi Championship 2015 |
9 | 257 |
|
27/36 | 0% | 1.70 | EMA | Nizhny Novgorod Riichi Championship 2015 |
10 | 512 |
|
22/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 |
11 | 0 |
|
64/64 | 0% | 3.15 | EMA | Russian Open Riichi Championship 2014 |
12 | 130 |
|
21/24 | 0% | 1.40 | EMA | Vologda Riichi Championship 2014 |
13 | 206 |
|
51/64 | 0% | 3.15 | RR | "Japanese House" riichi mahjong cup 2014 |
14 | 533 |
|
8/16 | 0% | 1.20 | RR | "Haku no Ten" summer riichi mahjong tournament 2014 |
15 | 493 |
|
39/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
16 | 254 |
|
54/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
17 | 545 |
|
26/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |