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Individual Calculations May 2011 |
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| Kudrin, Sergey Total change: -8.00 | |   |
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| 2011 World Amateur Team & US Team East | Parsippany, New Jersery | USA | 2011-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2281 | 2545 | 5.50 | 6 | 0.67 | 10 | 6.70 | |
|  Fabbri, Alexander | | | 2200 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Kannappan, Prasanna | | | 2145 * | IND | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Ippolito, Dean J | m | | 2478 | USA | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Norowitz, Yaacov | | | 2375 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Kahn, Aaron E | | | 2199 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Mac Intyre, Paul | f | | 2288 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | * 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) | | | | 20th Annual Eastern Class Championships | Sturbridge, Massachusetts | USA | 2011-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2429 | 2551 | 3.50 | 5 | 0.25 | 10 | 2.50 | |
| | Castaneda, Nelson | f | | 2223 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Kelleher, William | f | | 2344 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Ivanov, Alexander | g | | 2540 | USA | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Shabalov, Alexander | g | | 2590 | USA | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Hungaski, Robert A | m | | 2446 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | |
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) | | | | 15th Annual Mid-America Open | St Louis, Missouri | USA | 2011-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2551 | 3.00 | 4 | -0.68 | 10 | -6.80 | |
| | Ding, Jialin | | | 2151 * | USA | 0.00 | 1 | -0.92 | 10 | -9.20 | | | Steiner, Tim C | | | 2151 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Michaelides, Matthew E | | | 2151 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Cooklev, Steven | | | 2151 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | 2nd Annual Hartford Open | Windsor Locks, Connecticut | USA | 2011-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2350 | 2551 | 4.00 | 5 | 0.38 | 10 | 3.80 | |
| | Itkis, Hana | | wf | 2151 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Hungaski, Robert A | m | | 2446 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Kekelidze, Mikheil | g | | 2460 | GEO | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Ivanov, Alexander | g | | 2540 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Rozovsky, Daniel | f | | 2151 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | 11th Annual Reno Far West Open | Reno, Nevada | USA | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 2551 | 4.00 | 6 | -1.42 | 10 | -14.20 | |
| | Rupel, David G | | | 2151 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Sevian, Samuel | | | 2151 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Troff, Kayden W | | | 2251 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Manvelyan, Hayk | | | 2151 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Liu, Daniel | | | 2151 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kelley, Dereque D | | | 2204 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | | | * 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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