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Individual Calculations February 2019 |
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| Costello, Alexander Total change: 70.80 | |   |
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| Bay Area International | Burlingame, California | USA | 2019-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2335 | 2231 | 5.00 | 9 | 1.77 | 40 | 70.80 | |
|  Wang, Kevin | m | | 2450 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Canessa, John | | | 1958 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Hong, Andrew | f | | 2390 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Virtanen, Teemu | f | | 2326 | FIN | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Zhu, Jack | | | 2364 | USA | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Chambers, Ezra | f | | 2360 | BDI | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Jacobson, Brandon | m | | 2404 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Ampie, Mauro | f | | 2318 | NCA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Javakhadze, Zurab | m | | 2449 | GEO | 1.00 | 1 | 0.78 | 40 | 31.20 | |
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) | | |
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