Bogatikov Aleksander

From Moscow, Russia

EMA: 15990107

Player page

EMA

Rating date May 29, 2020 (latest changes May 27, 2020).

289 place (457.97).

p1 = (524 * 2.50 * 0.50 + 757 * 3.50 * 1 + 0 + 0 + 0) / (2.50 * 0.50 + 3.50 * 1 + 1 + 1 + 1) = 426.38709677419354

p2 = (757 * 3.50 * 1 + 524 * 2.50 * 0.50 + 0 + 0) / (3.50 * 1 + 2.50 * 0.50 + 1 + 1) = 489.55555555555554

score = 426.38709677419354 * 0.5 + 489.55555555555554 * 0.5 = 457.97132616487454

Chart scale: normalized original

Rating changes

Show

Date Place Points Reason
2020-05-27 288 -> 289 457.97
2020-05-13 289 -> 288 457.97
2020-05-05 292 -> 289 457.97
2020-05-02 298 -> 292 457.97
2020-04-29 299 -> 298 457.97
2020-04-15 300 -> 299 457.97
2020-04-07 303 -> 300 457.97
2020-03-25 307 -> 303 457.97
2020-03-18 312 -> 307 457.97
2020-03-11 316 -> 312 457.97

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 757 2019-12-15 28/112 100% 3.50 EMA VIII Russian Riichi Championship
2 524 2018-12-16 31/64 50% 2.50 EMA White Dragon Tournament
3 218 2016-09-11 69/88 0% 3.00 EMA V Russian Riichi Championship 2016
4 373 2015-10-18 33/52 0% 2.50 EMA Russian Open Riichi Championship 2015
5 257 2015-08-22 27/36 0% 1.00 EMA Nizhny Novgorod Riichi Championship 2015
6 512 2015-03-08 22/44 0% 2.50 EMA Moscow Riichi Championship 2015
7 0 2014-12-07 64/64 0% 2.50 EMA Russian Open Riichi Championship 2014
8 130 2014-10-18 21/24 0% 1.00 EMA Vologda Riichi Championship 2014