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Individual Calculations November 2009 |
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| Vilenchuk, Michael Total change: -26.40 | |   |
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| 65th Ohio Chess Congress | Dayton, Ohio | USA | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 2117 | 0.50 | 3 | -1.29 | 25 | -32.25 | |
|  Marsh, Matthew | | | 2115 | USA | 0.00 | 1 | -0.50 | 25 | -12.50 | |  Gurevich, Daniel | | | 1942 | USA | 0.50 | 1 | -0.23 | 25 | -5.75 | | | Smarty, Sylvester | | | 2077 | USA | 0.00 | 1 | -0.56 | 25 | -14.00 | |
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) | | | NOTE: K factor changed | | 18th Annual Midwest Class Champinships | Wheeling, Illinois | USA | 2009-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2091 | 2117 | 2.00 | 3 | 0.39 | 15 | 5.85 | |
| | Shetty, Atulya A | | | 2033 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Szpisjak, Steven J | | | 2172 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Velikanov, Alexander | | | 2069 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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) | | |
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