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Individual Calculations May 2011 |
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| Sena, Juan Total change: 10.50 | |   |
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| Marshall Chess Club FIDE Mondays - 2011 | New York, New York | USA | 2011-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 2160 | 3.00 | 4 | 0.78 | 15 | 11.70 | |
|  Kopiecki, Edward P | | | 2033 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | |  Moon, Kyle | | | 2036 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Sturt, Raven M | | | 2241 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Pressman, Leif A | | | 2167 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | |
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 New York March Open | New York, New York | USA | 2011-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2222 | 2144 | 1.00 | 3 | -0.23 | 15 | -3.45 | |
| | Tom, George | | | 2007 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Kekelidze, Mikheil | g | | 2460 | GEO | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Pressman, Leif A | | | 2198 | USA | 0.00 | 1 | -0.42 | 15 | -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 Marshall April Grand Prix | New York, New York | USA | 2011-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2144 | 1.50 | 3 | 0.15 | 15 | 2.25 | |
| | Berg, George P | | | 2066 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Gelashvili, Tamaz | g | | 2544 * | GEO | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kopiecki, Edward P | | | 2023 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | * 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) | | |
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