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Individual Calculations March 2011 |
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| Kaufman, Lawrence Total change: -3.80 | |   |
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| 37th Annual Eastern Open | Washington DC | USA | 2010-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2287 | 2410 | 3.00 | 5 | -0.16 | 10 | -1.60 | |
|  De Fotis, Gary C | | | 2066 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | |  Ding, Jialin | | | 2069 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Lenderman, Aleksandr | g | | 2537 | USA | 0.50 | 1 | 0.17 | 10 | 1.70 | | | Paragua, Mark C | g | | 2509 | PHI | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Adu, Oladapo | m | | 2255 | NGR | 0.50 | 1 | -0.21 | 10 | -2.10 | |
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) | | | | 2011 Chesapeake Open | Rockville, Maryland | USA | 2011-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2186 | 2417 | 2.50 | 3 | 0.13 | 10 | 1.30 | |
| | Marshall, Abby | | wf | 2145 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Balasubramanian, Adithya | | | 2180 | IND | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Selzler, Richard | | | 2233 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | |
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) | | | | 2011 Springfield Open | Springfield, Virginia | USA | 2011-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 2417 | 2.50 | 4 | -0.35 | 10 | -3.50 | |
| | Li, Brian S | | | 2042 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Gorman, Dov | f | | 2287 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Enkhbat, Tegshsuren | m | | 2376 | USA | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Adu, Oladapo Oluto | m | | 2269 | NGR | 0.50 | 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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