Melkov Dmitrii

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date Dec. 18, 2023 (latest changes Dec. 18, 2023).

98 place (180.68).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001

p1 = (379.31 * 3.75 * 1 + 177.57 * 4 * 1 + 0 + 0 + 0) / (3.75 * 1 + 4 * 1 + 1 + 1 + 1) = 198.38976744186047

p2 = (379.31 * 3.75 * 1 + 177.57 * 4 * 1) / max_coefficients = 162.97929411225272

score = 198.38976744186047 * 0.5 + 162.97929411225272 * 0.5 = 180.68453077705658

Rating changes

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all results
Date Place Points Reason
2023-12-12 102 -> 98 177.24 -> 180.68
2023-12-09 102 177.24

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 178 2023-09-03 89/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 379 2023-06-11 55/88 100% 3.75 RR Money can not buy tenpai Perm