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Individual Calculations July 2009 |
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| Sarkar, Justin Total change: -22.00 | |   |
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| New York March Open | New York, New York | USA | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2105 | 2455 | 0.50 | 2 | -1.28 | 10 | -12.80 | |
|  Tuhrim, Richard J | | | 2105 | USA | 0.00 | 1 | -0.89 | 10 | -8.90 | | | Ostrovskiy, Aleksandr | c | | 2105 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | |
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) | | | | 11th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2338 | 2410 | 5.50 | 9 | 0.24 | 10 | 2.40 | |
|  Santalla, Andres | | | 2107 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Pressman, Leif | | | 2060 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Thaler, Michael | | | 2238 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Shabalov, Alexander | g | | 2569 | USA | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Yang, Darwin | f | | 2231 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Van Wely, Loek | g | | 2622 | NED | 0.00 | 1 | -0.23 | 10 | -2.30 | | | Betaneli, Alex | f | | 2298 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Zenyuk, Iryna | c | wm | 2305 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Becerra, Julio J | g | | 2609 | USA | 0.00 | 1 | -0.24 | 10 | -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) | | | | 2009 New York May Open | New York, New York | USA | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 2410 | 0.00 | 1 | -0.89 | 10 | -8.90 | |
| | Ostrovskiy, Aleksandr | c | | 2061 | USA | 0.00 | 1 | -0.89 | 10 | -8.90 | |
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) | | | | The Copper State International | Mesa, Arizona | USA | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2386 | 2410 | 4.50 | 9 | -0.27 | 10 | -2.70 | |
| | Barcenilla Jr, Rogelio | m | | 2503 | PHI | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Rensch, Daniel M | f | | 2400 | USA | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Atoufi, Pedram | f | | 2306 | IRI | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Yermolinsky, Alex | g | | 2522 | USA | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Fernandez, Daniel | m | | 2369 | USA | 0.00 | 1 | -0.56 | 10 | -5.60 | | | Rowley Ii, Robert | f | | 2234 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Pruess, David | m | | 2400 | USA | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Ramirez, Alejandro | g | | 2563 | CRC | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Mueller, Jason L | | | 2174 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | |
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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