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Individual Calculations October 2008 |
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| Cao, Tony Total change: 8.10 | |   |
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| Chicago Class Championships | Oak Brook, Illinois | USA | 2008-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2209 | 2179 | 2.00 | 5 | -0.23 | 15 | -3.45 | |
|  Betaneli, Alex | | | 2308 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | |  Gilruth, Peter | | | 2224 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Boor, Carl B | | | 2306 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Lisle, Mark A | | | 1829 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Tate, Emory A | m | | 2377 | USA | 0.50 | 1 | 0.26 | 15 | 3.90 | |
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) | | | | Billy Colias Memorial Section B | Joliet, Illinois | USA | 2008-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2220 | 2179 | 3.00 | 5 | 0.77 | 15 | 11.55 | |
| | Loncarevic, Rob | | | 2110 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Tate, Emory | m | | 2377 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Strunk, Adam | | | 2133 | USA | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Tennant, Steven | | | 2222 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Gratz, Glen | | | 2259 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | |
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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