Melkov Dmitrii

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).

89 place (455.76).

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

p1 = (333.33 * 3.05 * 0.57 + 826.09 * 2.10 * 0.57 + 579.44 * 4.60 * 0.71 + 677.97 * 3.25 * 1 + 171.43 * 1.90 * 1) / (3.05 * 0.57 + 2.10 * 0.57 + 4.60 * 0.71 + 3.25 * 1 + 1.90 * 1) = 527.765986523695

p2 = (677.97 * 3.25 * 1 + 579.44 * 4.60 * 0.71 + 826.09 * 2.10 * 0.57 + 333.33 * 3.05 * 0.57) / max_coefficients = 383.74797297297295

score = 527.765986523695 * 0.5 + 383.74797297297295 * 0.5 = 455.75697974833395

Rating changes

Show

all results
Date Place Points Reason
2025-09-03 94 -> 89 447.38 -> 455.76

SPB Riichi Open 2023: 14% -> 0%
2025-09-01 97 -> 94 442.33 -> 447.38
2025-08-31 90 -> 97 442.33
2025-08-09 91 -> 90 442.33
2025-08-04 92 -> 91 440.51 -> 442.33
2025-08-03 91 -> 92 440.51
2025-07-30 87 -> 91 452.44 -> 440.51

Seihoku spring tournament 2024: 71% -> 57%
2025-07-13 86 -> 87 452.44
2025-07-12 82 -> 86 462.54 -> 452.44

X Russian Championship: 86% -> 71%
2025-07-10 80 -> 82 464.11 -> 462.54

Agari Spring Tournament 2024: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 171 2025-04-26 30/36 100% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
2 678 2025-02-16 20/60 100% 3.25 RR White Wolf Cup Saint Petersburg
3 579 2024-05-12 46/108 71% 4.60 RR X Russian Championship Perm
4 826 2024-03-30 9/47 57% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
5 333 2024-03-10 35/52 57% 3.05 RR Agari Spring Tournament 2024 Moscow
6 178 2023-09-03 89/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
7 379 2023-06-11 55/88 0% 3.75 RR Money can not buy tenpai Perm