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Individual Calculations November 2009 |
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| Rabin, Evan Z Total change: -7.65 | |   |
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| Marshall CC Tuesday FIDE Futurity | New York, NY | USA | 2009-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2059 | 2026 | 3.00 | 9 | -1.10 | 15 | -16.50 | |
|  Treger, Yefim | | | 2194 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | |  Frumkin, Edward A | | | 2032 | USA | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Farber, Nelson M | | | 2000 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Berg, George P | | | 2049 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Ostrovskiy, Aleksandr | c | | 2089 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Berg, George P | | | 2049 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Ostrovskiy, Aleksandr | c | | 2089 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Frumkin, Edward A | | | 2032 | USA | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Farber, Nelson M | | | 2000 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | |
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) | | | | 131st Annual NY State Championship | Albany, New York | USA | 2009-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2029 | 2.50 | 5 | 0.59 | 15 | 8.85 | |
| | Henner, Peter | | | 1800 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Benjamin, Joel | g | | 2429 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Frumkin, Edward A | | | 2021 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Ostrovskiy, Aleksansdr A | c | | 2115 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Nikolayev, Igor A | f | | 2331 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | * 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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