Melkov Dmitrii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 3, 2024 (latest changes Dec. 1, 2024).

68 place (490.90).

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

p1 = (645.16 * 1.80 * 0.29 + 379.31 * 3.75 * 0.57 + 177.57 * 4 * 0.71 + 962.96 * 2.30 * 0.86 + 333.33 * 3.05 * 1 + 826.09 * 2.10 * 1 + 579.44 * 4.60 * 1) / (1.80 * 0.29 + 3.75 * 0.57 + 4 * 0.71 + 2.30 * 0.86 + 3.05 * 1 + 2.10 * 1 + 4.60 * 1) = 520.2674241712183

p2 = (579.44 * 4.60 * 1 + 962.96 * 2.30 * 0.86 + 826.09 * 2.10 * 1 + 333.33 * 3.05 * 1) / max_coefficients = 461.52618296529965

score = 520.2674241712183 * 0.5 + 461.52618296529965 * 0.5 = 490.896803568259

Rating changes

Show

all results
Date Place Points Reason
2024-11-26 69 -> 68 490.90
2024-11-05 61 -> 69 505.02 -> 490.90

Finding Dora: 100% -> 86%
2024-11-03 69 -> 61 499.50 -> 505.02

SPB Riichi Open 2023: 86% -> 71%
2024-10-25 69 500.39 -> 499.50

Earth cup: 43% -> 29%
2024-10-13 65 -> 69 505.37 -> 500.39
2024-10-11 65 503.39 -> 505.37

Money can not buy tenpai: 71% -> 57%
2024-09-15 64 -> 65 503.39
2024-09-03 65 -> 64 489.72 -> 503.39

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 60 -> 65 502.11 -> 489.72
2024-08-26 60 504.50 -> 502.11

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
4 963 2023-11-05 2/28 86% 2.30 CRR Finding Dora
5 178 2023-09-03 89/108 71% 4.00 RR SPB Riichi Open 2023
6 379 2023-06-11 55/88 57% 3.75 RR Money can not buy tenpai
7 645 2023-02-25 12/32 29% 1.80 CRR Earth cup
8 872 2022-08-27 6/40 0% 1.80 CRR Sun tournament
9 947 2019-02-24 2/20 0% 1.30 CRR Mahjong tournament at the Intellectual Games Festival 2019
10 400 2018-02-25 10/16 0% 1.20 CRR Tournament