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).

153 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 + 205.61 * 4 * 1 + 0 * 1.80 * 1 + 434.78 * 1.40 * 1) / (4.05 * 0.57 + 1.80 * 0.71 + 4.20 * 0.86 + 4 * 1 + 1.80 * 1 + 1.40 * 1) = 185.44514376311218

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 = 185.44514376311218 * 0.5 + 166.6190806667505 * 0.5 = 176.03211221493135

Rating changes

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all results
Date Place Points Reason
2023-11-06 153 176.03

IX Russian Riichi Championship: 100% -> 86%

Tournaments

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