Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).

64 place (456.33).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (120 * 4.20 * 0.14 + 205.61 * 4 * 0.86 + 630.43 * 2.10 * 1 + 978.95 * 3.85 * 1 + 0) / (4.20 * 0.14 + 4 * 0.86 + 2.10 * 1 + 3.85 * 1 + 1) = 534.657487580361

p2 = (978.95 * 3.85 * 1 + 630.43 * 2.10 * 1 + 205.61 * 4 * 0.86 + 120 * 4.20 * 0.14) / max_coefficients = 378.00288503644936

score = 534.657487580361 * 0.5 + 378.00288503644936 * 0.5 = 456.3301863084052

Rating changes

Show

Date Place Points Reason
2024-09-06 67 -> 64 447.91 -> 456.33

IX Russian Riichi Championship: 29% -> 14%

2024-09-03 71 -> 67 437.53 -> 447.91

SPB Riichi Open 2023: 100% -> 86%

2024-09-01 119 -> 71 197.98 -> 437.53

SPB Riichi Open 2024: 0% -> 100%

2024-08-11 120 -> 119 197.19 -> 197.98
2024-08-04 116 -> 120 200.18 -> 197.19
2024-07-14 111 -> 116 200.18
2024-07-06 113 -> 111 198.77 -> 200.18

IX Russian Riichi Championship: 43% -> 29%

2024-06-11 116 -> 113 207.98 -> 198.77
2024-06-09 107 -> 116 207.98
2024-05-12 85 -> 107 223.33 -> 207.98

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 979 2024-09-01 3/96 100% 3.85 RR SPB Riichi Open 2024
2 630 2024-03-30 18/47 100% 2.10 RR Seihoku spring tournament 2024
3 206 2023-09-03 86/108 86% 4.00 RR SPB Riichi Open 2023
4 120 2022-11-06 67/76 14% 4.20 RR IX Russian Riichi Championship
5 135 2022-06-12 97/112 0% 4.05 RR Moscow Riichi 2022