Bykov Dmitriy

From Saint Petersburg, Russia

EMA: 15990236

Player page

Common russian riichi rating (CRR)

Rating date Nov. 26, 2023 (latest changes Nov. 26, 2023).

165 place (159.28).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001

p1 = (746.67 * 3.45 * 0.14 + 299.07 * 4 * 1 + 0 + 0 + 0) / (3.45 * 0.14 + 4 * 1 + 1 + 1 + 1) = 208.77738637569306

p2 = (299.07 * 4 * 1 + 746.67 * 3.45 * 0.14) / max_coefficients = 109.78173759387836

score = 208.77738637569306 * 0.5 + 109.78173759387836 * 0.5 = 159.27956198478572

Rating changes

Show

all results
Date Place Points Reason
2023-11-26 158 -> 165 159.67 -> 159.28
2023-11-06 70 -> 158 490.15 -> 159.67
2020-02-01 70 490.15

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 299 2023-09-03 76/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 747 2021-11-28 20/76 14% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
3 635 2019-11-24 24/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
4 692 2018-12-23 13/40 0% 2.90 RR North Cup 2018 Saint Petersburg
5 873 2018-06-11 10/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
6 742 2018-03-04 9/32 0% 2.70 RR East Cup 2018 Saint Petersburg
7 506 2017-12-11 42/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
8 103 2017-10-01 36/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
9 282 2017-06-03 29/40 0% 1.80 RR Saint Petersburg championship. West cup 2017 Saint Petersburg
10 860 2017-03-18 7/44 0% 1.90 RR Saint Petersburg championship. South cup 2017 Saint Petersburg
11 183 2016-12-04 59/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
12 0 2016-10-16 32/32 0% 1.60 RR Tournament of 4 winds. West cup 2016 Saint Petersburg
13 770 2016-09-11 21/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
14 1000 2016-07-03 🥇 1/24 0% 1.40 RR Tournament of 4 winds. South cup 2016 Saint Petersburg
15 596 2016-03-13 41/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
16 282 2016-02-22 29/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016 Ivanovo
17 158 2015-11-15 17/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league Saint Petersburg
18 451 2015-10-18 29/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
19 886 2015-08-22 5/36 0% 1.70 EMA Nizhny Novgorod Riichi Championship 2015 Nizhny Novgorod
20 684 2015-03-15 7/20 0% 2.10 RR Nizhny Novgorod riichi mahjong tournament Nizhny Novgorod