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Individual Calculations July 2011 |
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| Kekelidze, Mikheil Total change: -10.90 | |   |
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| 64th Maryland Open | Rockville, Maryland | USA | 2011-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2300 | 2460 | 2.50 | 3 | 0.40 | 10 | 4.00 | |
|  Barnett, Alex | | | 2280 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | |  Barnakov, Yuri A | | | 2169 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Palatnik, Sam | g | | 2452 | USA | 0.50 | 1 | -0.01 | 10 | -0.10 | |
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) | | | | 2011 Marshall May Grand Prix | New York, New York | USA | 2011-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2228 | 2463 | 4.00 | 4 | 0.86 | 10 | 8.60 | |
| | Polyakin, Vladimir | | | 2097 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Salakhutdinov, Ild | | | 2274 | RUS | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Pressman, Leif A | | | 2230 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Bonin, Jay | m | | 2310 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | |
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) | | | | The New Yorker Open - Open Section | New York, New York | USA | 2011-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2338 | 2463 | 4.50 | 7 | 0.06 | 10 | 0.60 | |
| | Korley, Kassa | f | | 2292 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Moon, Kyle | | | 2063 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Tom, George | | | 2063 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kudrin, Sergey | g | | 2543 | USA | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Molner, Mackenzie | m | | 2464 | USA | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Stripunsky, Alexander | g | | 2568 | USA | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Norowitz, Yaacov | | | 2373 | USA | 0.00 | 1 | -0.62 | 10 | -6.20 | | | * 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) | | | | 2011 National Open - Open Section | Las Vegas, Nevada | USA | 2011-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2282 | 2463 | 3.50 | 6 | -0.84 | 10 | -8.40 | |
| | Hendrickson, Nolan | | | 2168 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Belakovskaia, Anjelina | | wg | 2253 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Robson, Ray | g | | 2545 | USA | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Maltese, Adam S | | | 2240 | USA | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Inants, Aghasi | | | 2290 | ARM | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Adelberg, David | | | 2197 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | |
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) | | | | 4th New York International | New York, New York | USA | 2011-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2307 | 2463 | 4.00 | 8 | -1.57 | 10 | -15.70 | |
| | Bodek, Michael H | | | 2180 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Barnett, Alex | | | 2269 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Ostrovskiy, Aleksandr | f | | 2267 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Hungaski, Robert A | m | | 2452 | USA | 0.00 | 1 | -0.52 | 10 | -5.20 | | | Kudrin, Sergey | g | | 2543 | USA | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Coleman, Teddy | f | | 2262 | USA | 0.00 | 1 | -0.76 | 10 | -7.60 | | | Pressman, Leif A | | | 2230 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Cherniack, Alex | | | 2249 | USA | 0.00 | 1 | -0.77 | 10 | -7.70 | |
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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