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Individual Calculations May 2013 |
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| Barnett, Alex Total change: 7.95 | |   |
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| 43rd Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2013-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2200 | 3.00 | 4 | 0.63 | 15 | 9.45 | |
|  Fabbri, Alexander | | | 2063 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | |  Goldberg, Mitchell | f | | 2261 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Kjoita, Henning J | | | 2008 | NOR | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Samuelson, Andrew | | | 2188 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | |
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) | | | | 7th Annual Philadelphia Open - Master Section | Philadelphia, Pennsylvania | USA | 2013-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2214 | 4.50 | 9 | -0.10 | 15 | -1.50 | |
| | Vigorito, David | m | | 2437 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Baginskaite, Camilla | | wg | 2283 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Checa, Nicolas De T. | | | 2032 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Helfst, Matt D | | | 1933 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Rizzitano, James A | m | | 2322 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Mandizha, Farai | m | | 2394 | ZIM | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Chan, James | | | 2027 | CAN | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Schut, Lisa | | wm | 2289 | NED | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Leon, Isaac D | | | 2107 | ECU | 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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