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Individual Calculations February 2013 |
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| Pressman, Leif A Total change: 23.55 | |   |
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| 2012 Marshall Chess Club Championship | New york, New York | USA | 2012-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2236 | 2216 | 4.50 | 8 | 0.63 | 15 | 9.45 | |
|  Kumar, Aravind | c | | 1954 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | |  Kekelidze, Mikheil | g | | 2491 | GEO | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Bodek, Michael H | f | | 2316 | USA | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Bonin, Jay Richard | m | | 2322 | USA | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Hulse, Brian | f | | 2114 | USA | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Kopiecki, Edward P | | | 1973 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Chandran, Kapil | | | 2122 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Izoria, Zviad | g | | 2595 | GEO | 0.50 | 1 | 0.41 | 15 | 6.15 | |
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) | | | | 31st Annual Empire City Open | New York, New York | USA | 2012-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 2216 | 2.50 | 3 | 0.94 | 15 | 14.10 | |
| | Fabbri, Alexander Richard | | | 2049 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Balakrishnan, Praveen | | | 2070 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Dlugy, Maxim | g | | 2527 | USA | 0.50 | 1 | 0.36 | 15 | 5.40 | |
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) | | |
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