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Individual Calculations September 2011 |
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| Xu, Grant Y Total change: -22.20 | |   |
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| 16th Annual Bradley Open | Windsor Locks, Connecticut | USA | 2011-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 2123 | 2.00 | 3 | 0.38 | 30 | 11.40 | |
|  Prilleltensky, Matan | | | 2090 | USA | 1.00 | 1 | 0.45 | 30 | 13.50 | | | Harris, Ian | | | 2093 | USA | 1.00 | 1 | 0.46 | 30 | 13.80 | |  Rozovsky, Daniel | f | | 2098 | USA | 0.00 | 1 | -0.53 | 30 | -15.90 | |
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) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 2123 | 2.00 | 5 | -1.17 | 30 | -35.10 | |
| | Muradian, Sevan A | | | 1891 | USA | 0.00 | 1 | -0.79 | 30 | -23.70 | | | Perez, Samuel | | | 1832 | USA | 1.00 | 1 | 0.15 | 30 | 4.50 | | | Battaglini, Gabriel | m | | 2407 | FRA | 0.00 | 1 | -0.16 | 30 | -4.80 | | | Meduri, Aakaash | | | 2068 | USA | 0.00 | 1 | -0.58 | 30 | -17.40 | | | Porrata, Felix | | | 1889 | USA | 1.00 | 1 | 0.21 | 30 | 6.30 | |
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) | | | | 2011 Barber K-8 Championship | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 2123 | 1.50 | 3 | 0.05 | 30 | 1.50 | |
| | Cao, Kevin Y | | | 2131 | USA | 1.00 | 1 | 0.51 | 30 | 15.30 | | | Shen, Arthur | f | | 2155 | USA | 0.50 | 1 | 0.04 | 30 | 1.20 | | | Brown, Michael W | | | 2121 | USA | 0.00 | 1 | -0.50 | 30 | -15.00 | |
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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