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Individual Calculations January 2012 |
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| Gerzhoy, Leonid Total change: 4.50 | |   |
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| 20th Annual Kings Island Open | Mason, Ohio | USA | 2011-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2124 | 2490 | 4.00 | 5 | -0.49 | 10 | -4.90 | |
|  Larson, Gerald A | | | 2128 | USA | 0.50 | 1 | -0.40 | 10 | -4.00 | |  Hua, Margaret M | | | 2090 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Pan, Shitianyu | | | 2117 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Vibbert, Sean | | | 2171 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Shetty, Atulya A | | | 2116 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 42nd Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2011-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2246 | 2490 | 4.50 | 5 | 0.62 | 10 | 6.20 | |
| | Mo, Kevin | | | 2134 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Hua, David | | | 2137 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Shen, Victor C | f | | 2300 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Katz, Alexander R | | | 2149 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Ivanov, Alexander | g | | 2512 | USA | 0.50 | 1 | 0.03 | 10 | 0.30 | |
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) | | | | 2011 Hart House Holidays Open | Toronto, Ontario | CAN | 2011-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2281 | 2490 | 4.00 | 5 | 0.32 | 10 | 3.20 | |
| | Preotu, Razvan | | | 2090 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Filipovich, David | | | 2124 | CAN | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Plotkin, Victor | f | | 2253 | CAN | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Sambuev, Bator | g | | 2522 | CAN | 0.00 | 1 | -0.46 | 10 | -4.60 | | | Krnan, Tomas | m | | 2417 | CAN | 1.00 | 1 | 0.40 | 10 | 4.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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