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Individual Calculations November 2009 |
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| Yang, Darwin Total change: 34.95 | |   |
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| 23rd North American FIDE Invitational | Skokie, Illinois | USA | 2009-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2302 | 2262 | 5.00 | 9 | 0.98 | 15 | 14.70 | |
|  Shankland, Samuel | m | | 2448 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Young, Angelo | m | | 2318 | PHI | 0.00 | 1 | -0.42 | 15 | -6.30 | |  Fouts, Matthew | | | 2206 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Betaneli, Alex | f | | 2287 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Adamson, Robby | f | | 2302 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Vaja, Ashish | | | 2195 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Matthews, Shane | | | 2228 | JAM | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Lee, Michael | f | | 2347 | USA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Sarkar, Justin | m | | 2388 | USA | 1.00 | 1 | 0.67 | 15 | 10.05 | |
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 |
| 2289 | 2282 | 3.50 | 7 | 0.05 | 15 | 0.75 | |
| | Kaufman, Raymond | m | | 2269 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Chua, Alexander | | | 2267 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Langer, Michael | f | | 2302 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Lopez Ii, Nelson | | | 2160 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Bantic, Mihail | | | 2211 | SRB | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Holt, Conrad | f | | 2343 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Smith, Bryan | m | | 2474 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | Lone Star Open | Dallas, Texas | USA | 2009-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 2282 | 3.50 | 4 | 1.30 | 15 | 19.50 | |
| | Hellwig, Luke | | | 2083 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Yeager, Daniel A | f | | 2296 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Simutowe, Amon S | g | | 2473 | ZAM | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Nguyen, Phung | | | 2123 | VIE | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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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