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Individual Calculations September 2011 |
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| Sena, Juan Total change: -32.55 | |   |
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| 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 2155 | 0.50 | 4 | -1.27 | 15 | -19.05 | |
|  Ardaman, Miles F | f | | 2301 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | |  Nikolayev, Igor | f | | 2318 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Gater, Daniel B | | | 2136 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Altschuler, Jason | | | 2037 | USA | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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) | | | | 2011 Marshall July Grand Prix | New York, New York | USA | 2011-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2249 | 2160 | 0.50 | 2 | -0.30 | 15 | -4.50 | |
| | Moon, Kyle | | | 2054 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Lapshun, Yury | m | | 2444 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | |
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) | | | | 2011 July FIDE Monday | New York, New York | USA | 2011-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 2160 | 1.50 | 3 | -0.60 | 15 | -9.00 | |
| | Pillai, Kadhir A | | | 2013 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Yagiz, Bora | | | 1901 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Katz, Benjamin | | | 2104 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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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