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Individual Calculations September 2013 |
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| Kaufman, Larry C Total change: 8.90 | |   |
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| 3rd Annual Potomac Open | Rockville, Maryland | USA | 2013-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2332 | 3.00 | 4 | 0.48 | 10 | 4.80 | |
|  Chang, Jeffrey E | | | 1994 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | |  Fischer, Robert J | | | 2130 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Del Mundo, Anton P | f | | 2329 | PHI | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Enkhbat, Tegshsuren | m | | 2417 | USA | 0.50 | 1 | 0.12 | 10 | 1.20 | |
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) | | | | 2nd Annual Washington International - Section A | Rockville, Maryland | USA | 2013-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2334 | 2332 | 4.00 | 7 | 0.46 | 10 | 4.60 | |
| | Smirin, Ilya | g | | 2663 | ISR | 0.00 | 1 | -0.12 | 10 | -1.20 | | | Adu, Oladapo | m | | 2199 | NGR | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Kahn, Aaron E | | | 2266 | USA | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Chiang, Jonathan | f | | 2165 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Martin Del Campo, Roberto | m | | 2386 | MEX | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Li, Ruifeng | c | | 2246 | USA | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Ostrovskiy, Aleksandr | f | | 2410 | USA | 0.50 | 1 | 0.11 | 10 | 1.10 | |
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) | | | | 45th Annual Atlantic Open | Washington DC | USA | 2013-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2031 | 2332 | 2.50 | 3 | -0.05 | 10 | -0.50 | |
| | Dai, Yang | | | 2028 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Leon, Isaac D | | | 2116 | ECU | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Strenzwilk, Denis | | | 1948 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | |
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) | | |
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