Elkin Denis

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).

93 place (424.24).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (391.30 * 2.10 * 0.29 + 12.66 * 3.65 * 0.57 + 452.63 * 3.85 * 0.71 + 22.47 * 3.75 * 0.86 + 220.34 * 3.25 * 1 + 800 * 1.90 * 1 + 471.43 * 3.50 * 1 + 358.21 * 4.10 * 1 + 701.30 * 3.45 * 1) / (2.10 * 0.29 + 3.65 * 0.57 + 3.85 * 0.71 + 3.75 * 0.86 + 3.25 * 1 + 1.90 * 1 + 3.50 * 1 + 4.10 * 1 + 3.45 * 1) = 376.3577595920443

p2 = (701.30 * 3.45 * 1 + 471.43 * 3.50 * 1 + 800 * 1.90 * 1 + 358.21 * 4.10 * 1) / max_coefficients = 472.1163879598662

score = 376.3577595920443 * 0.5 + 472.1163879598662 * 0.5 = 424.23707377595525

Rating changes

Show

all results
Date Place Points Reason
2025-12-09 94 -> 93 424.24
2025-12-07 93 -> 94 424.24
2025-12-04 97 -> 93 420.50 -> 424.24

Riichi over Volga: 71% -> 57%
2025-11-30 96 -> 97 420.63 -> 420.50

Seihoku spring tournament 2024: 43% -> 29%
2025-11-12 98 -> 96 420.63
2025-11-04 92 -> 98 431.36 -> 420.63
2025-11-01 94 -> 92 432.25 -> 431.36

SPB Riichi Open 2024: 86% -> 71%
2025-10-13 97 -> 94 421.25 -> 432.25

Moscow Riichi 2024: 100% -> 86%
2025-10-04 99 -> 97 417.90 -> 421.25

Riichi over Volga: 86% -> 71%
2025-09-30 98 -> 99 418.08 -> 417.90

Seihoku spring tournament 2024: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 701 2025-08-31 24/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
2 358 2025-06-15 44/68 100% 4.10 RR 13 bloody tiles Perm
3 471 2025-05-03 38/71 100% 3.50 RR Riichi over The Volga 2025 Samara
4 800 2025-04-26 8/36 100% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
5 220 2025-02-16 47/60 100% 3.25 RR White Wolf Cup Saint Petersburg
6 22 2024-10-13 88/90 86% 3.75 RR Moscow Riichi 2024 Moscow
7 453 2024-09-01 53/96 71% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
8 13 2024-08-04 79/80 57% 3.65 RR Riichi over Volga Samara
9 391 2024-03-30 29/47 29% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
10 449 2023-09-03 60/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg