Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Common russian riichi rating (CRR)

Rating date May 28, 2023 (latest changes May 28, 2023).

78 place (311.97).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 2.80 * 1 + 3.50 * 0.71) = 13.55005

p1 = (733.33 * 3.45 * 0.43 + 189.19 * 4.05 * 1 + 493.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.43 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 334.44371782989884

p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.43 + 189.19 * 4.05 * 1) / max_coefficients = 289.4882306707355

score = 334.44371782989884 * 0.5 + 289.4882306707355 * 0.5 = 311.9659742503172

Rating changes

Show

all results
Date Place Points Reason
2023-05-28 73 -> 78 333.34 -> 311.97

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 74 -> 73 327.71 -> 333.34
2023-05-01 73 -> 74 327.71
2023-04-19 74 -> 73 327.71
2023-03-28 69 -> 74 348.00 -> 327.71

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 69 342.32 -> 348.00
2023-03-06 70 -> 69 342.32
2023-02-25 68 -> 70 342.32
2023-01-28 65 -> 68 359.76 -> 342.32

Saint Petersburg Open 2021: 86% -> 71%
2023-01-14 64 -> 65 359.76

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 91/112 100% 4.05 RR Moscow Riichi 2022
3 733 2021-11-28 21/76 43% 3.45 RR Saint Petersburg Open 2021