Melkov Dmitrii

From Saint Petersburg, Russia

Player page

Internal rating (RR)

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

71 place (479.17).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (379.31 * 3.75 * 0.14 + 177.57 * 4 * 0.29 + 333.33 * 3.05 * 0.86 + 826.09 * 2.10 * 0.86 + 579.44 * 4.60 * 1 + 677.97 * 3.25 * 1 + 171.43 * 1.90 * 1) / (3.75 * 0.14 + 4 * 0.29 + 3.05 * 0.86 + 2.10 * 0.86 + 4.60 * 1 + 3.25 * 1 + 1.90 * 1) = 502.3739580400865

p2 = (579.44 * 4.60 * 1 + 677.97 * 3.25 * 1 + 826.09 * 2.10 * 0.86 + 333.33 * 3.05 * 0.86) / max_coefficients = 455.9671924290221

score = 502.3739580400865 * 0.5 + 455.9671924290221 * 0.5 = 479.1705752345543

Rating changes

Show

all results
Date Place Points Reason
2025-05-03 68 -> 71 473.52 -> 479.17

SPB Riichi Open 2023: 43% -> 29%
2025-04-26 62 -> 68 494.44 -> 473.52

Seihoku spring tournament 2025: 0% -> 100%
2025-04-11 63 -> 62 491.70 -> 494.44

Money can not buy tenpai: 29% -> 14%
2025-03-30 60 -> 63 502.44 -> 491.70

Seihoku spring tournament 2024: 100% -> 86%
2025-03-10 62 -> 60 504.27 -> 502.44

Agari Spring Tournament 2024: 100% -> 86%
2025-03-03 64 -> 62 498.15 -> 504.27

SPB Riichi Open 2023: 57% -> 43%
2025-03-02 61 -> 64 498.15
2025-02-16 81 -> 61 421.32 -> 498.15

White Wolf Cup: 0% -> 100%
2025-02-11 81 425.85 -> 421.32

Money can not buy tenpai: 43% -> 29%
2025-02-02 78 -> 81 425.85

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 46/108 100% 4.60 RR X Russian Championship Perm
4 826 2024-03-30 9/47 86% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
5 333 2024-03-10 35/52 86% 3.05 RR Agari Spring Tournament 2024 Moscow
6 178 2023-09-03 89/108 29% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
7 379 2023-06-11 55/88 14% 3.75 RR Money can not buy tenpai Perm