Demurchev Mikhail

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).

49 place (537.95).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (470.59 * 3.05 * 1 + 261.68 * 4.60 * 1 + 980.39 * 3.05 * 1 + 278.48 * 3.65 * 1 + 757.89 * 3.85 * 1) / (3.05 * 1 + 4.60 * 1 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1) = 525.4714285714285

p2 = (980.39 * 3.05 * 1 + 757.89 * 3.85 * 1 + 470.59 * 3.05 * 1 + 261.68 * 4.60 * 1) / max_coefficients = 550.4185878776951

score = 525.4714285714285 * 0.5 + 550.4185878776951 * 0.5 = 537.9450082245619

Rating changes

Show

Date Place Points Reason
2024-10-11 51 -> 49 537.95
2024-09-03 56 -> 51 528.17 -> 537.95
2024-09-01 74 -> 56 433.65 -> 528.17

SPB Riichi Open 2024: 0% -> 100%

2024-08-25 73 -> 74 433.65
2024-08-11 78 -> 73 431.35 -> 433.65
2024-08-04 81 -> 78 410.98 -> 431.35

Riichi over Volga: 0% -> 100%

2024-07-14 77 -> 81 410.98
2024-07-06 79 -> 77 410.98
2024-06-27 80 -> 79 410.98
2024-06-22 81 -> 80 410.98

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 758 2024-09-01 24/96 100% 3.85 RR SPB Riichi Open 2024
2 278 2024-08-04 58/80 100% 3.65 RR Riichi over Volga
3 980 2024-06-09 2/52 100% 3.05 RR Agari Summer Tournament 2024
4 262 2024-05-12 80/108 100% 4.60 RR X Russian Championship
5 471 2024-03-10 28/52 100% 3.05 RR Agari Spring Tournament 2024