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Individual Calculations August 2023 |
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| Qi, Jenny Total change: -43.60 | |   |
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| 51st annual World Open - U2200 | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1689 | 1614 | 3.00 | 9 | -0.51 | 40 | -20.40 | |
|  Fernandez, Kenneth | | | 1775 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Markov, Denis | | | 1773 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Turner, Bill | | | 1803 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Polyakin, Vladimir | | | 1757 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Friske, Thomas | | | 1779 | USA | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Nolan, Gregory Mat | | | 1761 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Altucher R/e, James | | | 1811 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Wagner, Camden I | | | 1524 | USA | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Chitnis, Shirish R | | | 1214 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | 2023 Peter Stuart Memorial Open North Island Championship | Auckland | NZL | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1564 | 1652 | 4.50 | 8 | -0.58 | 40 | -23.20 | |
| | Holdo, Karl | | | 1388 | NZL | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Ang, Alphaeus Wei Ern | f | | 2280 | NZL | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Powlesland, Brogan | | | 1357 | NZL | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Baker, Ilias Angelo (leo) | | | 1507 | NZL | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Wilson, Dion | | | 1241 | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | McDonald, Duncan | | | 1632 | NZL | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Chang, Yolanda | | | 1591 | NZL | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Preeyansh, Roul | | | 1518 | IND | 0.50 | 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) | | |
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