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Individual Calculations September 2009 |
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| Quinn, Joseph R Total change: -23.70 | |   |
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| South Wales International Open | Pontypridd | WLS | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 1852 | 1.50 | 6 | -0.21 | 15 | -3.15 | |
|  Arkell, Keith C | g | | 2252 * | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Jain, Akash | | | 2012 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Turner, Joseph David | | | 2007 | WLS | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Waterfield, John W | | | 2019 | ENG | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Bridges, Paul | | | 1884 | WLS | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Van Kemenade, Rudy | | | 1994 | WLS | 0.00 | 1 | -0.31 | 15 | -4.65 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 7th EU Youth Championship -14 | Mureck | AUT | 2009-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1852 | 1.50 | 5 | -1.37 | 15 | -20.55 | |
| | Silva, Luis Neves Da | | | 1647 | POR | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Ganev, Nikola | | | 1491 | BUL | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Schreiner, Till | | | 2064 | GER | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Lapidus, Mark | | | 1921 | EST | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Menezes, Christoph | | | 1797 | AUT | 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) | | |
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