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Individual Calculations July 2012 |
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| Coraretti, Benjamin Total change: 25.20 | |   |
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| 21st Annual Chicago Open - Open Section | Wheeling, Illinois | USA | 2012-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2324 | 2066 | 2.50 | 8 | 0.91 | 15 | 13.65 | |
|  Felecan, Florin | m | | 2399 | USA | 1.00 | 1 | 0.88 | 15 | 13.20 | |  Kekelidze, Mikheil | g | | 2466 * | GEO | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Yang, Darwin | m | | 2466 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Abrahamyan, Tatev | | wg | 2329 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Vibbert, Sean | | | 2214 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Magness, Trevor S | | | 2163 | USA | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Stoumbos, Konstantinos | | | 2249 | GRE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Homa, Seth | f | | 2303 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | * 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) | | | | 54th Gem City Open | Dayton, Ohio | USA | 2012-06-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 2066 | 2.50 | 4 | 0.41 | 15 | 6.15 | |
| | Kudrin, Sergey | g | | 2466 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Whorton, Les | | | 2054 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Karas, Nicholas | | | 2014 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Jaworowski, Andre | | | 1666 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | * 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) | | | | 2012 National Open - Open Section | Las Vegas, Nevada | USA | 2012-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 2066 | 2.00 | 5 | 0.36 | 15 | 5.40 | |
| | Taylor, Timothy W | m | | 2294 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Krishnan, Varun | | | 2130 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Umezinwa, George O | | | 2242 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Rubsamen, Cornelius | | | 2232 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Funderburg, John | | | 2091 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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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