Dergunov Aleksey

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 21, 2024 (latest changes Dec. 18, 2024).

11 place (728.40).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (252.87 * 3.75 * 0.43 + 769.23 * 2.90 * 0.86 + 747.66 * 4.60 * 1 + 260.87 * 2.10 * 1 + 744.68 * 2.80 * 1 + 797.47 * 3.65 * 1 + 548.39 * 1.80 * 1 + 1000 * 1.50 * 1 + 863.64 * 2.10 * 0.86 + 960.78 * 3.05 * 1 + 673.68 * 3.85 * 1 + 573.03 * 3.75 * 1 + 826.09 * 2.80 * 1) / (3.75 * 0.43 + 2.90 * 0.86 + 4.60 * 1 + 2.10 * 1 + 2.80 * 1 + 3.65 * 1 + 1.80 * 1 + 1.50 * 1 + 2.10 * 0.86 + 3.05 * 1 + 3.85 * 1 + 3.75 * 1 + 2.80 * 1) = 707.6553212591937

p2 = (747.66 * 4.60 * 1 + 960.78 * 3.05 * 1 + 797.47 * 3.65 * 1 + 673.68 * 3.85 * 1) / max_coefficients = 749.1533123028391

score = 707.6553212591937 * 0.5 + 749.1533123028391 * 0.5 = 728.4043167810164

Rating changes

Show

Date Place Points Reason
2024-12-18 12 -> 11 728.40
2024-12-11 12 725.05 -> 728.40

Money can not buy tenpai: 57% -> 43%

2024-12-01 14 -> 12 701.16 -> 725.05

Riichi never changing: 0% -> 100%

2024-11-26 14 701.81 -> 701.16

Autumn Agari tournament: 100% -> 86%

2024-11-03 15 -> 14 699.08 -> 701.81

SPB Riichi Open 2023: 86% -> 71%

2024-10-22 15 699.94 -> 699.08

Mushroom League: 100% -> 86%

2024-10-13 10 -> 15 712.04 -> 699.94

Moscow Riichi 2024: 0% -> 100%

2024-10-11 10 708.85 -> 712.04

Money can not buy tenpai: 71% -> 57%

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%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 826 2024-12-01 5/24 100% 2.80 CRR Riichi never changing
2 573 2024-10-13 39/90 100% 3.75 RR Moscow Riichi 2024
3 674 2024-09-01 32/96 100% 3.85 RR SPB Riichi Open 2024
4 797 2024-08-04 17/80 100% 3.65 RR Riichi over Volga
5 745 2024-07-14 13/48 100% 2.80 RR Guardian of the Winds
6 176 2024-06-09 43/52 100% 3.05 RR Agari Summer Tournament 2024
7 1000 2024-05-25 1/20 100% 1.50 CRR Duplicate riichi mahjong tournament 2024
8 548 2024-05-19 15/32 100% 1.80 CRR "Green Dragon" in the Secret Chamber
9 748 2024-05-12 28/108 100% 4.60 RR X Russian Championship
10 261 2024-03-30 35/47 100% 2.10 RR Seihoku spring tournament 2024
11 961 2024-03-10 3/52 100% 3.05 RR Agari Spring Tournament 2024
12 769 2023-11-26 10/40 86% 2.90 CRR Autumn Agari tournament
13 864 2023-10-22 4/23 86% 2.10 CRR Mushroom League
14 215 2023-09-03 85/108 71% 4.00 RR SPB Riichi Open 2023
15 253 2023-06-11 66/88 43% 3.75 RR Money can not buy tenpai
16 486 2022-06-12 58/112 0% 4.05 RR Moscow Riichi 2022
17 612 2022-03-20 27/68 0% 3.50 RR Tenpai can't buy happiness
18 511 2021-12-19 24/48 0% 3.10 RR Agari team tournament