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Individual Calculations March 2010 |
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| Ivanov, Alexander Total change: -11.00 | |   |
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| 36th Annual Eastern Open | Washington DC | USA | 2009-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2337 | 2539 | 6.00 | 8 | 0.01 | 10 | 0.10 | |
|  Malkiel, Daniel E | | | 2230 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | |  Samuelson, Andrew | | | 2207 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Macias Murillo, Bryan | f | | 2375 | ECU | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Ippolito, Dean J | m | | 2447 | USA | 0.00 | 1 | -0.63 | 10 | -6.30 | | | Castaneda, Nelson | f | | 2294 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Kaufman, Raymond | m | | 2280 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Lenderman, Alex | m | | 2546 | USA | 0.00 | 1 | -0.49 | 10 | -4.90 | | | Uesugi, Shinsaku | f | | 2313 | JPN | 1.00 | 1 | 0.21 | 10 | 2.10 | |
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) | | | | Portsmouth Open | Porthsmouth, New Hampshire | USA | 2010-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2285 | 2545 | 2.50 | 3 | 0.08 | 10 | 0.80 | |
| | Sciacca, Patrick R | | | 2178 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Vigorito, David | m | | 2411 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Enkin, Max | | | 2266 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | |
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) | | | | Land of the Sky XXIII | Asheville, North Carolina | USA | 2010-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2243 | 2545 | 2.00 | 3 | -0.55 | 10 | -5.50 | |
| | Gulamali, Kazim | f | | 2335 | USA | 0.00 | 1 | -0.77 | 10 | -7.70 | | | Moon, Ryan Joseph | | | 2196 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Francisco, Richard | | | 2197 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | |
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) | | | | Bermuda International Open | Hamilton | BER | 2010-02-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2290 | 2545 | 3.50 | 4 | 0.37 | 10 | 3.70 | |
| | , Somers | | | 2145 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | , Smarty | | | 2145 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | , Cummings | m | | 2360 | CAN | 1.00 | 1 | 0.26 | 10 | 2.60 | | | , Charbonneau | g | | 2509 | CAN | 0.50 | 1 | -0.05 | 10 | -0.50 | | | * 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) | | | | 2010 Marchand Open - 32nd Annual | Rochester, New York | USA | 2010-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2314 | 2545 | 2.00 | 4 | -1.01 | 10 | -10.10 | |
| | Barsky, Sam | | | 2145 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Ravichandran, Sidd | | | 2424 | IND | 0.00 | 1 | -0.66 | 10 | -6.60 | | | Levermore, Peter | | | 2145 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Panchanathan, Magesh | g | | 2541 | IND | 0.00 | 1 | -0.51 | 10 | -5.10 | | | * 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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