Elkin Denis

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date Sept. 5, 2025 (latest changes Sept. 3, 2025).

99 place (418.08).

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

p1 = (391.30 * 2.10 * 0.57 + 12.66 * 3.65 * 0.86 + 452.63 * 3.85 * 0.86 + 22.47 * 3.75 * 1 + 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 * 0.57 + 3.65 * 0.86 + 3.85 * 0.86 + 3.75 * 1 + 3.25 * 1 + 1.90 * 1 + 3.50 * 1 + 4.10 * 1 + 3.45 * 1) = 357.5745906457241

p2 = (701.30 * 3.45 * 1 + 471.43 * 3.50 * 1 + 800 * 1.90 * 1 + 452.63 * 3.85 * 0.86) / max_coefficients = 478.5871621621621

score = 357.5745906457241 * 0.5 + 478.5871621621621 * 0.5 = 418.0808764039431

Rating changes

Show

all results
Date Place Points Reason
2025-09-03 95 -> 99 444.90 -> 418.08

SPB Riichi Open 2023: 14% -> 0%
2025-09-01 95 447.25 -> 444.90

SPB Riichi Open 2024: 100% -> 86%
2025-08-31 114 -> 95 367.28 -> 447.25

SPB Riichi Open 2025: 0% -> 100%
2025-08-04 116 -> 114 362.17 -> 367.28

Riichi over Volga: 100% -> 86%
2025-08-03 115 -> 116 362.17
2025-07-30 115 362.65 -> 362.17

Seihoku spring tournament 2024: 71% -> 57%
2025-07-13 111 -> 115 362.65
2025-07-12 112 -> 111 358.76 -> 362.65
2025-07-03 113 -> 112 360.25 -> 358.76

SPB Riichi Open 2023: 29% -> 14%
2025-06-15 117 -> 113 337.37 -> 360.25

13 bloody tiles: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type 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 88/90 100% 3.75 RR Moscow Riichi 2024 Moscow
7 453 2024-09-01 53/96 86% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
8 13 2024-08-04 79/80 86% 3.65 RR Riichi over Volga Samara
9 391 2024-03-30 29/47 57% 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