Dergunov Aleksey

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).

10 place (708.85).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (960.78 * 3.05 * 1 + 863.64 * 2.10 * 1 + 252.87 * 3.75 * 0.71 + 769.23 * 2.90 * 1 + 260.87 * 2.10 * 1 + 747.66 * 4.60 * 1 + 548.39 * 1.80 * 1 + 1000 * 1.50 * 1 + 176.47 * 3.05 * 1 + 744.68 * 2.80 * 1 + 797.47 * 3.65 * 1 + 673.68 * 3.85 * 1) / (3.05 * 1 + 2.10 * 1 + 3.75 * 0.71 + 2.90 * 1 + 2.10 * 1 + 4.60 * 1 + 1.80 * 1 + 1.50 * 1 + 3.05 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1) = 653.0228258915963

p2 = (747.66 * 4.60 * 1 + 960.78 * 3.05 * 1 + 797.47 * 3.65 * 1 + 673.68 * 3.85 * 1) / max_coefficients = 764.6686071971355

score = 653.0228258915963 * 0.5 + 764.6686071971355 * 0.5 = 708.8457165443659

Rating changes

Show

Date Place Points Reason
2024-09-03 14 -> 10 695.27 -> 708.85

SPB Riichi Open 2023: 100% -> 86%

2024-09-01 10 -> 14 701.38 -> 695.27

SPB Riichi Open 2024: 0% -> 100%

2024-08-11 12 -> 10 693.93 -> 701.38

Money can not buy tenpai: 86% -> 71%

2024-08-04 19 -> 12 670.81 -> 693.93

Riichi over Volga: 0% -> 100%

2024-07-14 19 654.66 -> 670.81

Guardian of the Winds: 0% -> 100%

2024-06-11 21 -> 19 637.33 -> 654.66

Money can not buy tenpai: 100% -> 86%

2024-06-09 16 -> 21 666.08 -> 637.33

Agari Summer Tournament 2024: 0% -> 100%

2024-05-25 21 -> 16 620.26 -> 666.08

Duplicate riichi mahjong tournament 2024: 0% -> 100%

2024-05-19 21 620.88 -> 620.26

"Green Dragon" in the Secret Chamber: 0% -> 100%

2024-05-12 32 -> 21 549.25 -> 620.88

X Russian Championship: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 674 2024-09-01 32/96 100% 3.85 RR SPB Riichi Open 2024
2 797 2024-08-04 17/80 100% 3.65 RR Riichi over Volga
3 745 2024-07-14 13/48 100% 2.80 RR Guardian of the Winds
4 176 2024-06-09 43/52 100% 3.05 RR Agari Summer Tournament 2024
5 1000 2024-05-25 1/20 100% 1.50 CRR Duplicate riichi mahjong tournament 2024
6 548 2024-05-19 15/32 100% 1.80 CRR "Green Dragon" in the Secret Chamber
7 748 2024-05-12 28/108 100% 4.60 RR X Russian Championship
8 261 2024-03-30 35/47 100% 2.10 RR Seihoku spring tournament 2024
9 961 2024-03-10 3/52 100% 3.05 RR Agari Spring Tournament 2024
10 769 2023-11-26 10/40 100% 2.90 CRR Autumn Agari tournament
11 864 2023-10-22 4/23 100% 2.10 CRR Mushroom League
12 215 2023-09-03 85/108 86% 4.00 RR SPB Riichi Open 2023
13 253 2023-06-11 66/88 71% 3.75 RR Money can not buy tenpai
14 486 2022-06-12 58/112 0% 4.05 RR Moscow Riichi 2022
15 612 2022-03-20 27/68 0% 3.50 RR Tenpai can't buy happiness
16 511 2021-12-19 24/48 0% 3.10 RR Agari team tournament