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Individual Calculations August 2023 |
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| Mucerino, Joseph J Total change: -31.20 | |   |
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| 2nd annual World Open Amateur | Philadelphia, PA | USA | 2023-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1705 | 1866 | 2.50 | 5 | -1.00 | 20 | -20.00 | |
|  Chen, Alan Zishun | | | 1575 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | England, Max | | | 1807 | CAN | 0.00 | 1 | -0.58 | 20 | -11.60 | |  Meyer-Chabris, Caleb | | | 1613 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Klein, Jack | | | 1865 | USA | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Gyaneshwar, Bodda | | | 1665 | IND | 0.00 | 1 | -0.76 | 20 | -15.20 | |
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) | | | | 24th annual Pittsburgh Open - U2100 | Pittsburgh, PA | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1541 | 1857 | 2.00 | 3 | -0.56 | 20 | -11.20 | |
| | Zeigler, Nathan | | | 1667 | USA | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Timmons, Sam | | | 1457 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Pierson, Kenneth L | | | 1500 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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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