Orlov Boris

From Vsevolozhsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 12, 2023 (latest changes Dec. 12, 2023).

100 place (313.68).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001

p1 = (900.90 * 4.05 * 0.43 + 461.54 * 1.80 * 0.71 + 327.10 * 4 * 1 + 0 + 0) / (4.05 * 0.43 + 1.80 * 0.71 + 4 * 1 + 1 + 1) = 384.1504305791564

p2 = (900.90 * 4.05 * 0.43 + 327.10 * 4 * 1 + 461.54 * 1.80 * 0.71) / max_coefficients = 243.20587909180608

score = 384.1504305791564 * 0.5 + 243.20587909180608 * 0.5 = 313.6781548354812

Rating changes

Show

all results
Date Place Points Reason
2023-12-12 90 -> 100 347.53 -> 313.68

Moscow Riichi 2022: 57% -> 43%
2023-11-28 95 -> 90 347.53
2023-11-26 90 -> 95 348.51 -> 347.53
2023-11-20 92 -> 90 348.51
2023-11-09 93 -> 92 348.51
2023-11-06 97 -> 93 342.78 -> 348.51
2023-11-05 92 -> 97 342.78
2023-11-03 93 -> 92 342.78
2023-10-27 91 -> 93 347.41 -> 342.78

Sun tournament: 86% -> 71%
2023-10-22 88 -> 91 347.41

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 327 2023-09-03 73/108 100% 4.00 RR SPB Riichi Open 2023
2 462 2022-08-27 22/40 71% 1.80 CRR Sun tournament
3 901 2022-06-12 12/112 43% 4.05 RR Moscow Riichi 2022