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Individual Calculations May 2010 |
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| Berg, George P Total change: 44.85 | |   |
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| 40th Annual World Amateur Team & US Tean East | Parsippany, New Jersey | USA | 2010-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2182 | 2046 | 0.50 | 1 | 0.18 | 15 | 2.70 | |
|  Sena, Juan O | | | 2182 | DOM | 0.50 | 1 | 0.18 | 15 | 2.70 | |
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) | | | | Marshall CC FIDE Thursdays | New York, NY | USA | 2010-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2046 | 2.00 | 4 | 0.36 | 15 | 5.40 | |
| | Treger, Yefim | | | 2253 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | |  Ray, Sarathi | | | 2085 | USA | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Sturt, Raven M | | | 2100 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Frumkin, Edward A | | | 2017 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | |
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) | | | | 52nd Nassau FIDE Futurity | Mineola, NY | USA | 2010-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 2054 | 7.50 | 10 | 1.94 | 15 | 29.10 | |
| | Chipkin, Leonard B | | | 2039 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Grubea, John M | | | 2055 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Felber, Joseph J | | | 2058 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Cortese, Anthony | | | 1841 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Capolongo, John J | | | 2052 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Chipkin, Leonard B | | | 2039 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Grubea, John M | | | 2055 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Felber, Joseph J | | | 2058 | USA | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Cortese, Anthony | | | 1841 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Capolongo, John J | | | 2052 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | |
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) | | | | New York March Open | New York, New York | USA | 2010-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2155 | 2054 | 2.00 | 4 | 0.51 | 15 | 7.65 | |
| | Bonin, Jay R | m | | 2334 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Spigel, David E | | | 2008 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Margulis, Yevgeni | | | 2183 | USA | 1.00 | 1 | 0.67 | 15 | 10.05 | | | West, James R | | | 2094 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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) | | |
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