Melkov Dmitrii

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date March 31, 2025 (latest changes March 30, 2025).

63 place (491.70).

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

p1 = (379.31 * 3.75 * 0.29 + 177.57 * 4 * 0.43 + 333.33 * 3.05 * 0.86 + 826.09 * 2.10 * 0.86 + 579.44 * 4.60 * 1 + 677.97 * 3.25 * 1) / (3.75 * 0.29 + 4 * 0.43 + 3.05 * 0.86 + 2.10 * 0.86 + 4.60 * 1 + 3.25 * 1) = 527.4401588322534

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 = 527.4401588322534 * 0.5 + 455.9671924290221 * 0.5 = 491.7036756306377

Rating changes

Show

all results
Date Place Points Reason
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
2025-01-26 74 -> 78 425.85
2025-01-07 71 -> 74 425.85
2025-01-03 76 -> 71 419.94 -> 425.85

SPB Riichi Open 2023: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 678 2025-02-16 20/60 100% 3.25 RR White Wolf Cup
2 579 2024-05-12 46/108 100% 4.60 RR X Russian Championship
3 826 2024-03-30 9/47 86% 2.10 RR Seihoku spring tournament 2024
4 333 2024-03-10 35/52 86% 3.05 RR Agari Spring Tournament 2024
5 178 2023-09-03 89/108 43% 4.00 RR SPB Riichi Open 2023
6 379 2023-06-11 55/88 29% 3.75 RR Money can not buy tenpai