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Individual Calculations July 2009 |
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| Pressman, Leif Total change: 28.20 | |   |
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| Marshall CC FIDE Thursday | New York, NY | USA | 2009-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 2057 | 0.50 | 1 | -0.02 | 15 | -0.30 | |
|  Waxman, Marian | | | 2044 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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) | | | | 11th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2057 | 4.00 | 9 | 1.59 | 15 | 23.85 | |
|  Moriuchi, Toshiyuk | | | 2321 | JPN | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Sarkar, Justin | m | | 2407 | USA | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Ardaman, Miles F | f | | 2317 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Betaneli, Alex | f | | 2298 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Figler, Ilye | f | | 2319 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | McVay, Karsten A | | | 1850 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Barnett, Alexander | | | 2239 | USA | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Rogers, Norman | f | | 2240 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Karklins, Andrew | f | | 2232 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | |
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) | | | | Caguas International | Caguas | PUR | 2009-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2299 | 2057 | 1.00 | 3 | 0.31 | 15 | 4.65 | |
| | Zapata Ramirez, Alonso | g | | 2407 | COL | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Campiz Jimenez, Leonardo | | | 2082 | PUR | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Matamoros Franco, Carlos S | g | | 2407 | ECU | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | |
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