Dergunov Aleksey

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Sept. 3, 2025 (latest changes Sept. 3, 2025).

23 place (694.33).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (960.78 * 3.05 * 0.57 + 260.87 * 2.10 * 0.57 + 747.66 * 4.60 * 0.71 + 744.68 * 2.80 * 0.86 + 797.47 * 3.65 * 0.86 + 673.68 * 3.85 * 0.86 + 573.03 * 3.75 * 1 + 380.95 * 2.60 * 1 + 411.76 * 3.05 * 1 + 542.37 * 3.25 * 1 + 985.71 * 3.50 * 1 + 733.33 * 2 * 1 + 552.24 * 4.10 * 1 + 833.33 * 2.45 * 1 + 744.19 * 3 * 1) / (3.05 * 0.57 + 2.10 * 0.57 + 4.60 * 0.71 + 2.80 * 0.86 + 3.65 * 0.86 + 3.85 * 0.86 + 3.75 * 1 + 2.60 * 1 + 3.05 * 1 + 3.25 * 1 + 3.50 * 1 + 2 * 1 + 4.10 * 1 + 2.45 * 1 + 3 * 1) = 668.0170228610211

p2 = (985.71 * 3.50 * 1 + 797.47 * 3.65 * 0.86 + 747.66 * 4.60 * 0.71 + 552.24 * 4.10 * 1) / max_coefficients = 720.652027027027

score = 668.0170228610211 * 0.5 + 720.652027027027 * 0.5 = 694.334524944024

Rating changes

Show

Date Place Points Reason
2025-09-03 23 691.35 -> 694.33

SPB Riichi Open 2023: 14% -> 0%

2025-09-01 21 -> 23 692.78 -> 691.35

SPB Riichi Open 2024: 100% -> 86%

2025-08-31 14 -> 21 702.13 -> 692.78

SPB Riichi Open 2025: 0% -> 100%

2025-08-09 15 -> 14 702.13

Agari Summer Tournament 2024: 86% -> 71%

2025-08-04 14 -> 15 712.88 -> 702.13

Riichi over Volga: 100% -> 86%

2025-08-03 13 -> 14 710.46 -> 712.88

Two roosters and Chuckles: 0% -> 100%

2025-07-30 13 708.84 -> 710.46

Seihoku spring tournament 2024: 71% -> 57%

2025-07-14 14 -> 13 709.20 -> 708.84

Guardian of the Winds: 100% -> 86%

2025-07-13 14 703.90 -> 709.20

Agari Summer Tournament 2025: 0% -> 100%

2025-07-12 14 713.38 -> 703.90

X Russian Championship: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 390 2025-08-31 48/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
2 744 2025-08-03 12/44 100% 3.00 RR Two roosters and Chuckles Kirov
3 833 2025-07-13 6/31 100% 2.45 RR Agari Summer Tournament 2025 Moscow
4 552 2025-06-15 31/68 100% 4.10 RR 13 bloody tiles Perm
5 733 2025-06-08 5/16 100% 2.00 RR Random not fault Moscow
6 986 2025-05-03 🥈 2/71 100% 3.50 RR Riichi over The Volga 2025 Samara
7 542 2025-02-16 28/60 100% 3.25 RR White Wolf Cup Saint Petersburg
8 412 2025-02-02 31/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
9 381 2025-01-26 27/43 100% 2.60 RR Riichi On Ice Samara
10 573 2024-10-13 39/90 100% 3.75 RR Moscow Riichi 2024 Moscow
11 674 2024-09-01 32/96 86% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
12 797 2024-08-04 17/80 86% 3.65 RR Riichi over Volga Samara
13 745 2024-07-14 13/48 86% 2.80 RR Guardian of the Winds Yekaterinburg
14 176 2024-06-09 43/52 71% 3.05 RR Agari Summer Tournament 2024 Moscow
15 748 2024-05-12 28/108 71% 4.60 RR X Russian Championship Perm
16 261 2024-03-30 35/47 57% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
17 961 2024-03-10 🥉 3/52 57% 3.05 RR Agari Spring Tournament 2024 Moscow
18 215 2023-09-03 85/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
19 253 2023-06-11 66/88 0% 3.75 RR Money can not buy tenpai Perm
20 486 2022-06-12 58/112 0% 4.05 RR Moscow Riichi 2022 Moscow
21 612 2022-03-20 27/68 0% 3.50 RR Tenpai can't buy happiness Perm
22 511 2021-12-19 24/48 0% 3.10 RR Agari team tournament Moscow