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Individual Calculations November 2009 |
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| Hollinberger, Drew Total change: 3.60 | |   |
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| 65th Ohio Chess Congress | Dayton, Ohio | USA | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 1980 | 1.00 | 4 | -0.57 | 15 | -8.55 | |
|  Stopa, John | | | 2246 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | |  Friedman, David | | | 1936 | USA | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Murthy, Pappu L. N. | | | 2118 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Cao, Kevin | | | 1966 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | |
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) | | | | 18th Annual Midwest Class Champinships | Wheeling, Illinois | USA | 2009-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2252 | 1980 | 1.50 | 4 | 0.81 | 15 | 12.15 | |
| | Karklins, Andrew | f | | 2216 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Holt, Conrad | f | | 2343 | USA | 1.00 | 1 | 0.90 | 15 | 13.50 | | | Santarius, Erik | | | 2260 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Rosen, Eric S | | | 2190 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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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