Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Common russian riichi rating (CRR)

Rating date July 9, 2023 (latest changes July 9, 2023).

92 place (305.05).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255

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

p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.43 + 189.19 * 4.05 * 0.86) / max_coefficients = 268.12542212343425

score = 341.9825693894802 * 0.5 + 268.12542212343425 * 0.5 = 305.0539957564572

Rating changes

Show

all results
Date Place Points Reason
2023-07-06 93 -> 92 305.05
2023-07-03 94 -> 93 305.05
2023-06-19 96 -> 94 305.05
2023-06-12 96 299.74 -> 305.05

Moscow Riichi 2022: 100% -> 86%
2023-06-11 79 -> 96 311.97 -> 299.74
2023-05-28 74 -> 79 333.34 -> 311.97

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 75 -> 74 327.71 -> 333.34
2023-05-01 74 -> 75 327.71
2023-04-19 75 -> 74 327.71
2023-03-28 70 -> 75 348.00 -> 327.71

Saint Petersburg Open 2021: 71% -> 57%

Tournaments

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