Melkov Dmitrii

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date Nov. 6, 2024 (latest changes Nov. 6, 2024).

75 place (424.89).

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

p1 = (379.31 * 3.75 * 0.57 + 177.57 * 4 * 0.71 + 333.33 * 3.05 * 1 + 826.09 * 2.10 * 1 + 579.44 * 4.60 * 1) / (3.75 * 0.57 + 4 * 0.71 + 3.05 * 1 + 2.10 * 1 + 4.60 * 1) = 456.7466330394341

p2 = (579.44 * 4.60 * 1 + 826.09 * 2.10 * 1 + 333.33 * 3.05 * 1 + 379.31 * 3.75 * 0.57) / max_coefficients = 393.0372239747634

score = 456.7466330394341 * 0.5 + 393.0372239747634 * 0.5 = 424.8919285070987

Rating changes

Show

Date Place Points Reason
2024-11-06 78 -> 75 424.89
2024-11-03 82 -> 78 419.69 -> 424.89

SPB Riichi Open 2023: 86% -> 71%

2024-10-13 72 -> 82 423.76 -> 419.69
2024-10-11 72 429.17 -> 423.76

Money can not buy tenpai: 71% -> 57%

2024-09-06 73 -> 72 429.17
2024-09-03 74 -> 73 417.18 -> 429.17

SPB Riichi Open 2023: 100% -> 86%

2024-09-01 64 -> 74 427.63 -> 417.18
2024-08-11 66 -> 64 431.09 -> 427.63

Money can not buy tenpai: 86% -> 71%

2024-08-04 56 -> 66 439.75 -> 431.09
2024-07-14 51 -> 56 439.75

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 579 2024-05-12 46/108 100% 4.60 RR X Russian Championship
2 826 2024-03-30 9/47 100% 2.10 RR Seihoku spring tournament 2024
3 333 2024-03-10 35/52 100% 3.05 RR Agari Spring Tournament 2024
4 178 2023-09-03 89/108 71% 4.00 RR SPB Riichi Open 2023
5 379 2023-06-11 55/88 57% 3.75 RR Money can not buy tenpai