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Individual Calculations July 2011 |
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| Barnett, Alex Total change: -15.00 | |   |
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| 64th Maryland Open | Rockville, Maryland | USA | 2011-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2315 | 2280 | 1.00 | 2 | 0.09 | 15 | 1.35 | |
|  Kekelidze, Mikheil | g | | 2460 | GEO | 0.00 | 1 | -0.26 | 15 | -3.90 | |  Barnakov, Yuri A | | | 2169 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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) | | | | The New Yorker Open - U2400 Section | New York, New York | USA | 2011-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2091 | 2269 | 1.50 | 4 | -1.41 | 15 | -21.15 | |
| | Berg, George P | | | 2047 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Kats, Alena | | | 2092 | USA | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Itkis, Hana | | wf | 2044 | USA | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Treger, Yefim | | | 2181 | USA | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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 National Open - Open Section | Las Vegas, Nevada | USA | 2011-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2330 | 2269 | 2.50 | 5 | 0.40 | 15 | 6.00 | |
| | Wheeler, Cameron | | | 1922 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Robson, Ray | g | | 2545 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Hendrickson, Nolan | | | 2168 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Lenderman, Aleksandr | g | | 2548 | USA | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Bercys, Salvijus | m | | 2468 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | 4th New York International | New York, New York | USA | 2011-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2267 | 2269 | 4.00 | 8 | -0.08 | 15 | -1.20 | |
| | Colas, Joshua | | | 2040 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Kekelidze, Mikheil | g | | 2463 | GEO | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Kuderin, Daniyar | | | 2160 | KAZ | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Shabalov, Alexander | g | | 2586 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Gerzhoy, Leonid | m | | 2496 | CAN | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Schoch, Ian David | | | 2070 | USA | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Williams, Justus D | | | 2167 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Wang, Andrew C | | | 2157 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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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