Melkov Dmitrii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 19, 2025 (latest changes Nov. 19, 2025).

108 place (412.22).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (333.33 * 3.05 * 0.29 + 826.09 * 2.10 * 0.43 + 579.44 * 4.60 * 0.43 + 677.97 * 3.25 * 1 + 171.43 * 1.90 * 1) / (3.05 * 0.29 + 2.10 * 0.43 + 4.60 * 0.43 + 3.25 * 1 + 1.90 * 1) = 529.122608162258

p2 = (677.97 * 3.25 * 1 + 579.44 * 4.60 * 0.43 + 826.09 * 2.10 * 0.43 + 171.43 * 1.90 * 1) / max_coefficients = 295.31973244147156

score = 529.122608162258 * 0.5 + 295.31973244147156 * 0.5 = 412.22117030186473

Rating changes

Show

all results
Date Place Points Reason
2025-11-19 107 -> 108 412.22
2025-11-14 108 -> 107 412.22
2025-11-12 102 -> 108 426.68 -> 412.22

X Russian Championship: 57% -> 43%
2025-11-10 102 426.01 -> 426.68

Agari Spring Tournament 2024: 43% -> 29%
2025-11-04 97 -> 102 440.47 -> 426.01
2025-11-01 98 -> 97 439.87 -> 440.47
2025-10-13 99 -> 98 434.67 -> 439.87
2025-10-09 100 -> 99 434.67
2025-09-30 97 -> 100 447.11 -> 434.67

Seihoku spring tournament 2024: 57% -> 43%
2025-09-12 95 -> 97 460.95 -> 447.11

X Russian Championship: 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 43% 4.60 RR X Russian Championship Perm
4 826 2024-03-30 9/47 43% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
5 333 2024-03-10 35/52 29% 3.05 RR Agari Spring Tournament 2024 Moscow
6 963 2023-11-05 🥈 2/28 0% 2.30 CRR Finding Dora Yekaterinburg
7 178 2023-09-03 89/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
8 379 2023-06-11 55/88 0% 3.75 RR Money can not buy tenpai Perm
9 645 2023-02-25 12/32 0% 1.80 CRR Earth cup Saint Petersburg
10 872 2022-08-27 6/40 0% 1.80 CRR Sun tournament Saint Petersburg
11 947 2019-02-24 🥈 2/20 0% 1.30 CRR Mahjong tournament at the Intellectual Games Festival 2019 Samara
12 400 2018-02-25 10/16 0% 1.20 CRR Tournament Samara