Bogachkov Dmitry

From Saint Petersburg, Russia

EMA: 15990117

Player page

Common russian riichi rating (CRR)

Rating date April 20, 2019 (latest changes April 20, 2019).

193 place (260.42).

max_coefficients = (3.85 * 1 + 3.80 * 1 + 3.55 * 1 + 3.50 * 1) = 14.7

p1 = (589.74 * 1.80 * 0.43 + 698.41 * 3.45 * 0.57 + 289.16 * 3.40 * 0.57 + 0 + 0) / (1.80 * 0.43 + 3.45 * 0.57 + 3.40 * 0.57 + 1 + 1) = 358.01584606847285

p2 = (698.41 * 3.45 * 0.57 + 289.16 * 3.40 * 0.57 + 589.74 * 1.80 * 0.43) / max_coefficients = 162.82585034013607

score = 358.01584606847285 * 0.5 + 162.82585034013607 * 0.5 = 260.42084820430443

Rating changes

Show

Date Place Points Reason
2019-04-16 195 -> 193 260.42
2019-04-13 197 -> 195 260.42
2019-04-11 197 262.87 -> 260.42

VI Russian Riichi Championship 2017: 71% -> 57%

2019-04-07 198 -> 197 262.87
2019-04-03 197 -> 198 262.87
2019-04-01 192 -> 197 272.11 -> 262.87

Saint Petersburg championship. Northern cup 2017: 57% -> 43%

2019-03-31 191 -> 192 272.11
2019-03-25 192 -> 191 272.11
2019-03-18 193 -> 192 272.11
2019-03-17 190 -> 193 272.11

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 289 2017-12-11 60/84 57% 3.40 EMA VI Russian Riichi Championship 2017
2 698 2017-10-22 20/64 57% 3.45 EMA Moscow Riichi Open 2017
3 590 2017-10-01 17/40 43% 1.80 RR Saint Petersburg championship. Northern cup 2017
4 549 2016-12-04 33/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
5 770 2016-09-11 21/88 0% 3.45 EMA V Russian Riichi Championship 2016
6 535 2015-03-08 21/44 0% 2.50 EMA Moscow Riichi Championship 2015
7 348 2014-10-18 16/24 0% 1.40 EMA Vologda Riichi Championship 2014
8 365 2014-09-21 41/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014
9 400 2014-03-23 10/16 0% 1.20 EMA Riichi Baden Open 2014
10 457 2014-03-16 20/36 0% 1.70 EMA Tri Nitro Tournament: Third Detonation !
11 240 2014-02-15 58/76 0% 2.50 RR Moscow Riichi 2014
12 437 2013-12-08 41/72 0% 3.25 RR Russian Riichi Championship 2013
13 161 2013-11-17 27/32 0% 1.60 EMA Vienna Riichi Tournament
14 73 2013-05-19 52/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013
15 815 2013-02-17 6/28 0% 2.30 RR Saint Petersburg Riichi tournament