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Individual Calculations December 2023 |
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| Moussa, Alaa-Eddine Total change: -33.00 | |   |
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| FIDE World Senior Chess Championships 2023 - Over 50 - Open | Terrasini | ITA | 2023-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1937 | 1882 | 4.50 | 11 | -0.06 | 20 | -1.20 | |
|  Milat, Marcel | f | | 2207 | CAN | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Becker, Rogerio Sperb | | | 2102 | BRA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Mazzuco Junior, Adir | | | 1448 | BRA | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Santanna, Paulo | | | 2012 | BRA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Badano, Giancarlo | | | 1771 | ITA | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Navarra, Stefano | | | 1482 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fink-Nunn, Petra | | wf | 1945 | ENG | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Folk, Petr | | | 2109 | CZE | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Grant, Jonathan I M | | | 2150 | SCO | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Farrell, Neil | | | 2096 | SCO | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Mitrandzas, Athanasios | | | 1988 | GRE | 0.50 | 1 | 0.14 | 20 | 2.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 58th American Open - Under2200 | Garden Grove, California | USA | 2023-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1676 | 1891 | 3.00 | 6 | -1.59 | 20 | -31.80 | |
| | Zhang, Glenn | | | 1493 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Spector, Marchand | | | 1670 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Kodihalli, Kaustubh | | | 1752 | USA | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Sun, Ethan | | | 1684 | USA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Huang, Terry Tianyi | | | 1741 | USA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Lee, Justin A | | | 1715 | USA | 0.00 | 1 | -0.73 | 20 | -14.60 | |
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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