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Individual Calculations September 2011 |
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| Sarkar, Justin Total change: 1.30 | |   |
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| 39th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2326 | 2385 | 4.00 | 9 | -1.18 | 10 | -11.80 | |
|  Norman, Roger | | | 2185 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | |  Gelashvili, Tamaz | g | | 2611 | GEO | 0.00 | 1 | -0.21 | 10 | -2.10 | | | Homa, Seth | f | | 2275 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Lenderman, Aleksander | g | | 2548 | USA | 0.00 | 1 | -0.28 | 10 | -2.80 | | | Gokhale, Candrashe | m | | 2268 | IND | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Most, Eric M | | | 2129 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Molner, Mackenzie | m | | 2464 | USA | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Plotkin, Victor | | | 2245 | CAN | 0.00 | 1 | -0.69 | 10 | -6.90 | | | Calugar, Arthur | | | 2210 | CAN | 0.00 | 1 | -0.73 | 10 | -7.30 | |
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) | | | | 4th Annual Chicago Class | Wheeling, Illinois | USA | 2011-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2293 | 2376 | 2.50 | 3 | 0.67 | 10 | 6.70 | |
| | Karklins, Andrew | f | | 2210 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Kunche, Nikhilesh | f | | 2217 | IND | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Kekelidze, Mikheil | g | | 2452 | GEO | 1.00 | 1 | 0.60 | 10 | 6.00 | |
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) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2306 | 2376 | 3.50 | 6 | 0.08 | 10 | 0.80 | |
| | Chiang, Michael | | | 2062 | USA | 0.50 | 1 | -0.36 | 10 | -3.60 | | | Lenderman, Aleksandr | g | | 2525 | USA | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Bowersock, Michael | | | 2064 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Goldin, Alexander | g | | 2561 | USA | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Mo, Kevin | | | 2095 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Mitkov, Nikola | g | | 2527 | MKD | 0.50 | 1 | 0.20 | 10 | 2.00 | |
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) | | | | 41st Annual Continental Open | Sturbridge, Massachusetts | USA | 2011-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2442 | 2376 | 2.00 | 3 | 0.76 | 10 | 7.60 | |
| | Markzon, Gregory | f | | 2241 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Kudrin, Sergey | g | | 2547 | USA | 0.50 | 1 | 0.23 | 10 | 2.30 | | | Ivanov, Alexander | g | | 2538 | USA | 0.50 | 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) | | | | 2011 Manhattan Open - Open Section | New York, New York | USA | 2011-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2299 | 2376 | 4.50 | 8 | -0.20 | 10 | -2.00 | |
| | Arias, Mario | | | 2090 | PER | 0.00 | 1 | -0.84 | 10 | -8.40 | | | Zenyuk, Iryna | c | wm | 2222 | USA | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Dadello, Andrzej | | | 1976 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Williams, Alan P | | | 2230 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Kekelidze, Mikheil | g | | 2452 | GEO | 1.00 | 1 | 0.60 | 10 | 6.00 | | | Benjamin, Joel | g | | 2553 | USA | 0.50 | 1 | 0.23 | 10 | 2.30 | | | Kacheishvili, Giorgi | g | | 2582 | GEO | 0.00 | 1 | -0.24 | 10 | -2.40 | | | Coleman, Teddy | f | | 2285 | USA | 0.50 | 1 | -0.12 | 10 | -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) | | |
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