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Individual Calculations November 2009 |
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| Kaufman, Raymond Total change: 10.50 | |   |
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| 41st Annual Atlantic Open | Washington DC | USA | 2009-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2167 | 2265 | 2.00 | 4 | -0.44 | 15 | -6.60 | |
|  McVay, Karsten A | | | 1872 | USA | 0.50 | 1 | -0.42 | 15 | -6.30 | |  Privman, Boris | f | | 2150 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Larkins, Larry R | | | 2179 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Smith, Bryan G | m | | 2467 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | Okie Master Invitational | Tulsa, Oklahoma | USA | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2291 | 2269 | 4.50 | 7 | 1.20 | 15 | 18.00 | |
| | Yang, Darwin | f | | 2282 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Smith, Bryan | m | | 2474 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Holt, Conrad | f | | 2343 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Chua, Alexander | | | 2267 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Langer, Michael | f | | 2302 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Lopez Ii, Nelson | | | 2160 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Bantic, Mihail | | | 2211 | SRB | 0.50 | 1 | -0.08 | 15 | -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) | | | | 49th Maryland Open | Rockville, Maryland | USA | 2009-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2127 | 2269 | 2.00 | 3 | -0.06 | 15 | -0.90 | |
| | Strenzwilk, Denis | | | 2041 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Guo, Gill Y | | | 2114 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Barnett, Alexander | | | 2225 | USA | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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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