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Individual Calculations April 2009 |
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| Bennett, Allan D Total change: -7.50 | |   |
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| 32nd Cardinal Open | Columbus, Ohio | USA | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 2242 | 2.50 | 4 | -0.18 | 15 | -2.70 | |
|  Varadaraj, Srikar | | | 2080 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | |  Bath, John | | | 2186 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Ramer, Scott Leo | | | 2133 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Markovits, Alex | | | 2062 | USA | 1.00 | 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) | | | | 2009 Central Ohio Invitational | Dublin, Ohio | USA | 2009-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2242 | 5.50 | 9 | -0.32 | 15 | -4.80 | |
| | Varadaraj, Srikar | | | 2080 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Ramer, Scott Leo | | | 2133 | USA | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Waidyaratne, Kasun | | | 2153 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Pappu, Ananth | | | 2116 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Vilenchuk, Michael | | | 2184 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Stopa, John Russel | | | 2267 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Casden, Alan | | | 2103 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Hayes, John R | | | 1944 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Bath, John | | | 2186 | USA | 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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