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Individual Calculations August 2015 |
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| Vibbert, Sean Total change: -47.00 | |   |
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| 3rd Annual DC International | Arlington, Virginia | USA | 2015-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2086 | 2360 | 3.00 | 7 | -2.74 | 20 | -54.80 | |
|  Violini, Paolo | | | 1975 | ITA | 0.50 | 1 | -0.41 | 20 | -8.20 | |  Nieto, Guillermo Luigui Ubaldo | | | 2001 | COL | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Aneses Bocanegra, Omar | | | 1960 * | PUR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Larson, Matthew W | | | 2160 | USA | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Onabogun, Kolade | | | 2142 | NGR | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Rohan, Ahuja | | | 2218 | IND | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Gongora Montes, Benjamin | m | | 2143 | MEX | 0.00 | 1 | -0.78 | 20 | -15.60 | | | * 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) | | | | 43rd Annual World Open | Arlington, Virginia | USA | 2015-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2310 | 2360 | 5.50 | 9 | 0.39 | 20 | 7.80 | |
| | Ulrich, Rachel J | | wf | 2181 | USA | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Larson, Matthew W | | | 2160 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Kamsky, Gata | g | | 2672 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Shi, Diwen | c | | 2153 | CAN | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Yu, Jennifer R | | wf | 2072 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Ashwin, Jayaram | m | | 2493 | IND | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Colas, Joshua | | | 2242 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Mekhitarian, Krikor Sevag | g | | 2589 | BRA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Li, Ethan | | | 2230 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | |
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) | | |
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