Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Internal rating (RR)

Rating date July 20, 2023 (latest changes July 20, 2023).

75 place (313.05).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155

p1 = (189.19 * 4.05 * 0.86 + 493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.43 + 0 + 0) / (4.05 * 0.86 + 4.20 * 1 + 3.45 * 0.43 + 1 + 1) = 341.9825693894802

p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.43 + 189.19 * 4.05 * 0.86) / max_coefficients = 284.10967610462734

score = 341.9825693894802 * 0.5 + 284.10967610462734 * 0.5 = 313.0461227470538

Rating changes

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all results
Date Place Points Reason
2023-07-20 76 -> 75 307.94 -> 313.05
2023-07-06 77 -> 76 307.94
2023-06-19 77 307.94

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 493 2022-11-06 39/76 100% 4.20 RR IX Russian Riichi Championship Perm
2 189 2022-06-12 91/112 86% 4.05 RR Moscow Riichi 2022 Moscow
3 733 2021-11-28 21/76 43% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg