Orlov Boris

From Vsevolozhsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 10, 2024 (latest changes March 10, 2024).

102 place (269.50).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

p1 = (900.90 * 4.05 * 0.29 + 461.54 * 1.80 * 0.43 + 327.10 * 4 * 1 + 0 + 0) / (4.05 * 0.29 + 1.80 * 0.43 + 4 * 1 + 1 + 1) = 341.41108763061163

p2 = (327.10 * 4 * 1 + 900.90 * 4.05 * 0.29 + 461.54 * 1.80 * 0.43) / max_coefficients = 197.5839416058394

score = 341.41108763061163 * 0.5 + 197.5839416058394 * 0.5 = 269.4975146182255

Rating changes

Show

Date Place Points Reason
2024-03-10 98 -> 102 274.42 -> 269.50
2024-03-06 103 -> 98 269.86 -> 274.42
2024-02-27 103 276.09 -> 269.86

Sun tournament: 57% -> 43%

2024-02-25 100 -> 103 276.09
2024-02-12 92 -> 100 313.54 -> 276.09

Moscow Riichi 2022: 43% -> 29%

2024-01-20 93 -> 92 313.54
2024-01-06 95 -> 93 308.38 -> 313.54
2024-01-05 97 -> 95 308.38
2024-01-03 98 -> 97 308.38
2023-12-27 97 -> 98 313.68 -> 308.38

Sun tournament: 71% -> 57%

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 43% 1.80 CRR Sun tournament
3 901 2022-06-12 12/112 29% 4.05 RR Moscow Riichi 2022