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Individual Calculations August 2023 |
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| Meredith, Matthew Total change: -101.40 | |   |
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| 13th annual World Open Senior Amateur | Philadelphia, PA | USA | 2023-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1720 | 1955 | 2.00 | 4 | -1.07 | 20 | -21.40 | |
|  Moss, Peter | | | 1555 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jablon, Stephen | | | 1801 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Rea, Andrew B | | | 1917 | USA | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Huddleston, James | | | 1608 | USA | 0.00 | 1 | -0.89 | 20 | -17.80 | | | * 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) | | | | 51st annual World Open - U2200 | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1955 | 4.00 | 9 | -4.00 | 20 | -80.00 | |
| | Welcome, Chris | | | 1588 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Alawode, Adekunle | | | 1627 | USA | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Spencer, Chris | | | 1686 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Ji, Y Luke | | | 1483 | USA | 0.50 | 1 | -0.45 | 20 | -9.00 | | | Beltran, Omar Leonardo | | | 1555 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Xu, Shawn | | | 1602 | USA | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Epstein, Theodore | | | 1555 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jiang, Mathew | | | 1611 | USA | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Cui, Young | | | 1674 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | * 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) | | |
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