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Individual Calculations November 2009 |
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| Szpisjak, Steven J Total change: 0.30 | |   |
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| 2009 Illinois Open Championship | Oak Brook, Illinois | USA | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2159 | 2172 | 2.00 | 4 | -0.10 | 15 | -1.50 | |
|  Parmet, Daniel E | | | 1928 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Gurevich, Dmitry | g | | 2506 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Chow, Albert C | f | | 2254 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Auger, Michael W | | | 1946 | USA | 0.50 | 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) | | | | 18th Annual Midwest Class Champinships | Wheeling, Illinois | USA | 2009-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2080 | 2172 | 2.00 | 3 | 0.12 | 15 | 1.80 | |
| | Velikanov, Alexander | | | 2069 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Vilenchuk, Michael | | | 2117 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Flaga, Krzysztof | | | 2055 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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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