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Individual Calculations September 2023 |
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| She, Byron Total change: -11.20 | |   |
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| 43rd Annual Lina Grumette Memorial | VAN NUYS, CA | USA | 2023-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 1816 | 1.00 | 5 | -1.40 | 40 | -56.00 | |
|  Miller, Ike S | | | 1956 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | |  Colville, Julian | | | 1729 | USA | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Tao, Sihan | | | 2000 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Ruddell, Solomon | | | 1964 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Hsiao, Oliver | | | 1426 | USA | 0.00 | 1 | -0.91 | 40 | -36.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2023 David King Memorial Challenger 8 | Arcadia, CA | USA | 2023-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 1878 | 0.00 | 4 | -0.72 | 40 | -28.80 | |
| | Mrdja, Milan | m | | 2145 | CRO | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Mrdja, Milan | m | | 2145 | CRO | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Manakova, Maria | | wg | 2137 | SRB | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Manakova, Maria | | wg | 2137 | SRB | 0.00 | 1 | -0.18 | 40 | -7.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2023 David King Memorial Challenger 9 | Arcadia, CA | USA | 2023-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 1878 | 1.00 | 4 | 0.42 | 40 | 16.80 | |
| | Antonov, Vladimir | m | | 2138 | BUL | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Antonov, Vladimir | m | | 2138 | BUL | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Cucancic, Sinisa | | | 2232 | CRO | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Cucancic, Sinisa | | | 2232 | CRO | 0.00 | 1 | -0.11 | 40 | -4.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2023 David King Memorial Challenger 11 | Arcadia, CA | USA | 2023-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 1878 | 2.00 | 4 | 1.42 | 40 | 56.80 | |
| | Antonov, Vladimir | m | | 2138 | BUL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Antonov, Vladimir | m | | 2138 | BUL | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Cucancic, Sinisa | | | 2232 | CRO | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Cucancic, Sinisa | | | 2232 | CRO | 1.00 | 1 | 0.89 | 40 | 35.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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