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Individual Calculations September 2011 |
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| Kacheishvili, Giorgi Total change: 7.20 | |   |
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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 |
| 2476 | 2599 | 6.00 | 9 | 0.16 | 10 | 1.60 | |
|  Plotkin, Victor | | | 2245 | CAN | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Van Kooten, Luke | f | | 2341 | NED | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Kamsky, Gata | g | | 2732 | USA | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Gorman, Dov | f | | 2323 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Molner, Mackenzie | m | | 2464 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Gerzhoy, Leonid | m | | 2496 | CAN | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Robson, Ray | g | | 2545 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Kekelidze, Mikheil | g | | 2463 | GEO | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Van Wely, Loek | g | | 2675 | NED | 0.00 | 1 | -0.40 | 10 | -4.00 | |
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) | | | | 16th Annual Bradley Open | Windsor Locks, Connecticut | USA | 2011-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2359 | 2582 | 2.50 | 3 | 0.27 | 10 | 2.70 | |
| | Castaneda, Nelson | f | | 2229 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Fikiet, Alex M | | | 2233 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Gelashvili, Tamaz | g | | 2616 | GEO | 0.50 | 1 | 0.05 | 10 | 0.50 | |
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 |
| 2407 | 2582 | 2.50 | 3 | 0.37 | 10 | 3.70 | |
| | Battaglini, Gabriel | m | | 2407 | FRA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Barnett, Alex | | | 2254 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Goldin, Alexander | g | | 2561 | USA | 1.00 | 1 | 0.47 | 10 | 4.70 | |
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) | | | | 41st Annual Continental Open | Sturbridge, Massachusetts | USA | 2011-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2445 | 2582 | 4.50 | 6 | 0.51 | 10 | 5.10 | |
| | Ryba, Andrew | | | 2182 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Yedidia, Jonathan | m | | 2384 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Kudrin, Sergey | g | | 2547 | USA | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Krush, Irina | m | wg | 2486 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Gelashvili, Tamaz | g | | 2616 | GEO | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Kekelidze, Mikheil | g | | 2452 | GEO | 0.50 | 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) | | | | 2011 Manhattan Open - Open Section | New York, New York | USA | 2011-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2345 | 2582 | 6.50 | 9 | -0.59 | 10 | -5.90 | |
| | Ostrovskiy, Aleksandr | f | | 2294 | USA | 0.00 | 1 | -0.84 | 10 | -8.40 | | | Castaneda, Nelson | f | | 2229 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Gisclan, Heverton | | | 2247 | BRA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Santarius, Erik | | | 2311 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Bartholomew, John | m | | 2442 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Zhao, Parker B | | | 2382 | USA | 0.00 | 1 | -0.76 | 10 | -7.60 | | | Sarkar, Justin | m | | 2376 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Garcia, Gildardo J | g | | 2368 | COL | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Romanenko, Vladimir | m | | 2454 | BLR | 0.50 | 1 | -0.17 | 10 | -1.70 | |
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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