Bogatikov Aleksander
From Moscow, Russia
EMA: 15990107
Internal rating (RR)
Rating date May 19, 2022 (latest changes April 30, 2022).
112 place (336.25).
how we calculated rating score
max_coefficients = (4.05 * 1 + 3.85 * 1 + 3.50 * 1 + 3.45 * 1) = 14.850000000000001
p1 = (523.81 * 3.45 * 0.29 + 756.76 * 4.05 * 1 + 160 * 3.45 * 1 + 0 + 0) / (3.45 * 0.29 + 4.05 * 1 + 3.45 * 1 + 1 + 1) = 394.1724249248855
p2 = (756.76 * 4.05 * 1 + 160 * 3.45 * 1 + 523.81 * 3.45 * 0.29) / max_coefficients = 278.3272727272727
score = 394.1724249248855 * 0.5 + 278.3272727272727 * 0.5 = 336.2498488260791
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-04-30 | 121 -> 112 | 336.25 | |
2022-03-30 | 124 -> 121 | 347.86 -> 336.25 |
White Dragon Tournament: 43% -> 29% |
2022-03-20 | 118 -> 124 | 348.36 -> 347.86 | |
2022-02-28 | 122 -> 118 | 346.87 -> 348.36 | |
2022-01-30 | 121 -> 122 | 358.16 -> 346.87 |
White Dragon Tournament: 57% -> 43% |
2021-12-30 | 124 -> 121 | 352.16 -> 358.16 | |
2021-12-19 | 123 -> 124 | 352.16 | |
2021-11-30 | 125 -> 123 | 362.90 -> 352.16 |
White Dragon Tournament: 71% -> 57% |
2021-11-28 | 113 -> 125 | 368.96 -> 362.90 |
Saint Petersburg Open 2021: 0% -> 100% |
2021-11-06 | 109 -> 113 | 368.96 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 160 |
|
64/76 | 100% | 3.45 | RR | Saint Petersburg Open 2021 |
2 | 757 |
|
28/112 | 100% | 4.05 | EMA | VIII Russian Riichi Championship |
3 | 524 |
|
31/64 | 29% | 3.45 | EMA | White Dragon Tournament |
4 | 218 |
|
69/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 |
5 | 788 |
|
22/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
6 | 373 |
|
33/52 | 0% | 2.90 | EMA | Russian Open Riichi Championship 2015 |
7 | 257 |
|
27/36 | 0% | 1.70 | EMA | Nizhny Novgorod Riichi Championship 2015 |
8 | 512 |
|
22/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 |
9 | 0 |
|
64/64 | 0% | 3.15 | EMA | Russian Open Riichi Championship 2014 |
10 | 130 |
|
21/24 | 0% | 1.40 | EMA | Vologda Riichi Championship 2014 |
11 | 206 |
|
51/64 | 0% | 3.15 | RR | "Japanese House" riichi mahjong cup 2014 |
12 | 533 |
|
8/16 | 0% | 1.20 | RR | "Haku no Ten" summer riichi mahjong tournament 2014 |
13 | 493 |
|
39/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
14 | 254 |
|
54/72 | 0% | 3.25 | RR | Russian Riichi Championship 2013 |
15 | 545 |
|
26/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |