Kopylov Dmitry

From Saint Petersburg, Russia

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Common russian riichi rating (CRR)

Rating date Nov. 6, 2023 (latest changes Nov. 6, 2023).

154 place (176.03).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002

p1 = (135.14 * 4.05 * 0.57 + 384.62 * 1.80 * 0.71 + 120 * 4.20 * 0.86 + 0 * 1.80 * 1 + 434.78 * 1.40 * 1 + 205.61 * 4 * 1) / (4.05 * 0.57 + 1.80 * 0.71 + 4.20 * 0.86 + 1.80 * 1 + 1.40 * 1 + 4 * 1) = 185.4451437631122

p2 = (205.61 * 4 * 1 + 434.78 * 1.40 * 1 + 384.62 * 1.80 * 0.71 + 120 * 4.20 * 0.86) / max_coefficients = 166.6190806667505

score = 185.4451437631122 * 0.5 + 166.6190806667505 * 0.5 = 176.03211221493137

Rating changes

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all results
Date Place Points Reason
2023-11-06 155 -> 154 173.77 -> 176.03

IX Russian Riichi Championship: 100% -> 86%
2023-11-05 149 -> 155 173.77
2023-10-27 149 178.83 -> 173.77

Sun tournament: 86% -> 71%
2023-10-22 147 -> 149 178.83
2023-10-19 148 -> 147 178.83
2023-10-12 149 -> 148 177.35 -> 178.83

Moscow Riichi 2022: 71% -> 57%
2023-09-28 151 -> 149 177.35
2023-09-06 152 -> 151 177.35
2023-09-05 153 -> 152 177.35
2023-09-03 144 -> 153 165.44 -> 177.35

SPB Riichi Open 2023: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 206 2023-09-03 86/108 100% 4.00 RR SPB Riichi Open 2023
2 435 2023-04-22 14/24 100% 1.40 CRR Fire cup 2023
3 0 2023-02-25 32/32 100% 1.80 CRR Earth cup
4 120 2022-11-06 67/76 86% 4.20 RR IX Russian Riichi Championship
5 385 2022-08-27 25/40 71% 1.80 CRR Sun tournament
6 135 2022-06-12 97/112 57% 4.05 RR Moscow Riichi 2022