Kravchenko Kirill
From Samara, Russia
Common russian riichi rating (CRR)
Rating date Aug. 31, 2025 (latest changes Aug. 31, 2025).
4 place (794.04).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (532.71 * 4 * 0.14 + 672.90 * 4.60 * 0.71 + 659.57 * 2.80 * 0.86 + 730.34 * 3.75 * 1 + 761.90 * 2.60 * 1 + 528.57 * 3.50 * 1 + 970.15 * 4.10 * 1 + 790.70 * 3 * 1 + 987.01 * 3.45 * 1) / (4 * 0.14 + 4.60 * 0.71 + 2.80 * 0.86 + 3.75 * 1 + 2.60 * 1 + 3.50 * 1 + 4.10 * 1 + 3 * 1 + 3.45 * 1) = 766.1323781964089
p2 = (970.15 * 4.10 * 1 + 987.01 * 3.45 * 1 + 730.34 * 3.75 * 1 + 790.70 * 3 * 1) / max_coefficients = 821.950657894737
score = 766.1323781964089 * 0.5 + 821.950657894737 * 0.5 = 794.041518045573
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-31 | 13 -> 4 | 721.10 -> 794.04 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-22 | 12 -> 13 | 721.10 | |
| 2025-08-04 | 15 -> 12 | 714.98 -> 721.10 |
Riichi over Volga: 100% -> 86% |
| 2025-08-03 | 20 -> 15 | 696.15 -> 714.98 |
Two roosters and Chuckles: 0% -> 100% |
| 2025-07-14 | 22 -> 20 | 695.97 -> 696.15 |
Guardian of the Winds: 100% -> 86% |
| 2025-07-12 | 20 -> 22 | 703.34 -> 695.97 |
X Russian Championship: 86% -> 71% |
| 2025-07-03 | 20 | 701.68 -> 703.34 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-15 | 41 -> 20 | 614.38 -> 701.68 |
13 bloody tiles: 0% -> 100% |
| 2025-06-14 | 42 -> 41 | 614.38 | |
| 2025-06-11 | 43 -> 42 | 613.24 -> 614.38 |
Money can not buy tenpai: 14% -> 0% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 987 |
|
🥈 | 2/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg |
| 2 | 791 |
|
10/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 3 | 970 |
|
🥉 | 3/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm |
| 4 | 529 |
|
34/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 5 | 762 |
|
11/43 | 100% | 2.60 | RR | Riichi On Ice | Samara | |
| 6 | 730 |
|
25/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 7 | 443 |
|
45/80 | 86% | 3.65 | RR | Riichi over Volga | Samara | |
| 8 | 660 |
|
17/48 | 86% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 9 | 673 |
|
36/108 | 71% | 4.60 | RR | X Russian Championship | Perm | |
| 10 | 533 |
|
51/108 | 14% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 11 | 529 |
|
42/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm |