Dergunov Aleksey

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Sept. 7, 2026 (latest changes Sept. 7, 2026).

2 place (811.45).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (573.03 * 3.75 * 0.14 + 380.95 * 2.60 * 0.43 + 411.76 * 3.05 * 0.43 + 542.37 * 3.25 * 0.43 + 985.71 * 3.50 * 0.57 + 733.33 * 2 * 0.71 + 552.24 * 4.10 * 0.71 + 833.33 * 2.45 * 0.86 + 744.19 * 3 * 0.86 + 964.91 * 3.90 * 1 + 645.16 * 3 * 1 + 927.27 * 3 * 1 + 635.14 * 3.40 * 1 + 760 * 3.10 * 1 + 880.95 * 2.90 * 1 + 915.25 * 3.40 * 1 + 971.83 * 3.40 * 1) / (3.75 * 0.14 + 2.60 * 0.43 + 3.05 * 0.43 + 3.25 * 0.43 + 3.50 * 0.57 + 2 * 0.71 + 4.10 * 0.71 + 2.45 * 0.86 + 3 * 0.86 + 3.90 * 1 + 3 * 1 + 3 * 1 + 3.40 * 1 + 3.10 * 1 + 2.90 * 1 + 3.40 * 1 + 3.40 * 1) = 778.5154515301092

p2 = (964.91 * 3.90 * 1 + 971.83 * 3.40 * 1 + 915.25 * 3.40 * 1 + 601.40 * 4.71 * 1) / max_coefficients = 844.3763789746918

score = 778.5154515301092 * 0.5 + 844.3763789746918 * 0.5 = 811.4459152524005

Rating changes

Show

all results
Date Place Points Reason
2026-09-06 3 -> 2 785.87 -> 811.45

Sunset Wolf Cup 2026: 0% -> 100%
2026-09-03 3 787.32 -> 785.87

Riichi over The Volga 2025: 71% -> 57%
2026-09-01 3 786.68 -> 787.32

SPB Riichi Open 2024: 14% -> 0%
2026-08-31 3 785.37 -> 786.68

SPB Riichi Open 2025: 100% -> 86%
2026-08-16 8 -> 3 758.79 -> 785.37

White Wolf Cup: 57% -> 43%

Ufa Championship 2026: 0% -> 100%
2026-08-15 10 -> 8 754.47 -> 758.79

13 bloody tiles: 86% -> 71%
2026-08-13 11 -> 10 753.29 -> 754.47

Moscow Riichi 2024: 29% -> 14%
2026-08-08 11 753.26 -> 753.29

Random not fault: 86% -> 71%
2026-08-04 11 753.64 -> 753.26

Riichi over Volga: 14% -> 0%
2026-08-03 11 753.66 -> 753.64

Two roosters and Chuckles: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 972 2026-09-06 🥉 3/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
2 915 2026-08-16 6/60 100% 3.40 RR Ufa Championship 2026 Ufa
3 601 2026-06-14 58/144 100% 4.71 RR XII Russian Championship Samara
4 881 2026-05-03 6/43 100% 2.90 RR Sturgeon in tempai Saratov
5 760 2026-04-05 13/51 100% 3.10 RR Moscow Riichi 2026 Moscow
6 635 2026-02-23 28/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
7 927 2026-01-25 5/56 100% 3.00 RR Riichi On Ice 2026 Samara
8 645 2025-11-30 12/32 100% 3.00 RR Final Cup 2025 Moscow
9 965 2025-11-04 🥉 3/58 100% 3.90 RR XI Russian Championship Moscow
10 390 2025-08-31 48/78 86% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
11 744 2025-08-03 12/44 86% 3.00 RR Two roosters and Chuckles Kirov
12 833 2025-07-13 6/31 86% 2.45 RR Agari Summer Tournament 2025 Moscow
13 552 2025-06-15 31/68 71% 4.10 RR 13 bloody tiles Perm
14 733 2025-06-08 5/16 71% 2.00 RR Random not fault Moscow
15 986 2025-05-03 🥈 2/71 57% 3.50 RR Riichi over The Volga 2025 Samara
16 542 2025-02-16 28/60 43% 3.25 RR White Wolf Cup Saint Petersburg
17 412 2025-02-02 31/52 43% 3.05 RR Agari Winter Tournament 2025 Moscow
18 381 2025-01-26 27/43 43% 2.60 RR Riichi On Ice Samara
19 573 2024-10-13 39/90 14% 3.75 RR Moscow Riichi 2024 Moscow
20 674 2024-09-01 32/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
21 797 2024-08-04 17/80 0% 3.65 RR Riichi over Volga Samara
22 745 2024-07-14 13/48 0% 2.80 RR Guardian of the Winds Yekaterinburg
23 176 2024-06-09 43/52 0% 3.05 RR Agari Summer Tournament 2024 Moscow
24 748 2024-05-12 28/108 0% 4.60 RR X Russian Championship Perm
25 261 2024-03-30 35/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
26 961 2024-03-10 🥉 3/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
27 215 2023-09-03 85/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
28 253 2023-06-11 66/88 0% 3.75 RR Money can not buy tenpai Perm
29 486 2022-06-12 58/112 0% 4.05 RR Moscow Riichi 2022 Moscow
30 606 2022-03-20 27/67 0% 3.45 RR Tenpai can't buy happiness Perm
31 511 2021-12-19 24/48 0% 3.10 RR Agari team tournament Moscow