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Individual Calculations October 2008 |
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| Ramirez, Alejandro Total change: 2.50 | |   |
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| NY Marshall CC International | New York, NY | USA | 2008-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2472 | 2528 | 6.50 | 9 | 1.35 | 10 | 13.50 | |
|  Molner, Mackenzie | | | 2338 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | |  Mac, Intyre Paul | f | | 2291 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Sarkar, Justin | m | | 2411 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Burnett, Ronald | m | | 2373 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Becerra, Julio J | g | | 2575 | USA | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Paragua, Mark C | g | | 2538 | PHI | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Ehlvest, Jaan | g | | 2603 | USA | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Kudrin, Sergey | g | | 2549 | USA | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Erenburg, Sergey | g | | 2568 | ISR | 1.00 | 1 | 0.56 | 10 | 5.60 | |
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) | | | | 36th Annual World Open (Open Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2420 | 2528 | 5.00 | 9 | -0.67 | 10 | -6.70 | |
| | Maltese, Adam S | | | 2227 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Sharavdorj, Dashze | g | | 2440 | MGL | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Arnold, Marc T | | | 2276 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Akobian, Varuzhan | g | | 2601 | USA | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Ganguly, Surya She | g | | 2614 | IND | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Moiseenko, Alexander | g | | 2650 | UKR | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Ludwig, Daniel | | | 2357 | USA | 0.00 | 1 | -0.73 | 10 | -7.30 | | | Kleiman, Jake | f | | 2335 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Tayar, Jonathan | f | | 2284 | CAN | 0.50 | 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) | | | | IV Torneo Internacional de Ajedrez Alajuela 2008 | Alajuela | CRC | 2008-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2346 | 2531 | 6.00 | 9 | -0.38 | 10 | -3.80 | |
| | Alfaro Rojas, Alfonso | | | 2181 | CRC | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Arroyo, Luis | | | 2181 | CRC | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Carvajal, Jonathan | | | 2191 | CRC | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Perez, Osniel | | | 2268 | CUB | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Mikhalevski, Victor | g | | 2592 | ISR | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Perez, Luis Manuel | m | | 2495 | CUB | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Leyva, Hector | m | | 2380 | ESA | 0.00 | 1 | -0.70 | 10 | -7.00 | | | Fonseca, Jose Luis | | | 2182 | NCA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Tiviakov, Sergei | g | | 2645 | NED | 0.00 | 1 | -0.34 | 10 | -3.40 | |
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) | | | | 2008 World Junior Chess Championship | Gaziantep | TUR | 2008-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2460 | 2531 | 7.50 | 13 | -0.10 | 10 | -1.00 | |
| | Vavric, Pavel | | | 2218 | MDA | 0.00 | 1 | -0.86 | 10 | -8.60 | | | Sousa, Ricardo Miguel Morais De | | | 2181 | POR | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Plenca, Julijan | | | 2295 | CRO | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Ronchetti, Niccolo | m | | 2434 | ITA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | So, Wesley | g | | 2577 | PHI | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Baramidze, David | g | | 2593 | GER | 1.00 | 1 | 0.59 | 10 | 5.90 | | | Howell, David W L | g | | 2561 | ENG | 0.00 | 1 | -0.46 | 10 | -4.60 | | | Mamedov, Rauf | g | | 2627 | AZE | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Kalashian, David | m | | 2432 | ARM | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Can, Emre | m | | 2460 | TUR | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Safarli, Eltaj | g | | 2527 | AZE | 0.00 | 1 | -0.51 | 10 | -5.10 | | | Zhigalko, Sergei | g | | 2583 | BLR | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Wen, Yang | g | | 2487 | CHN | 0.00 | 1 | -0.56 | 10 | -5.60 | |
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) | | | | 74th Annual Southwest Open | Fort Worth, Texas | USA | 2008-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2323 | 2531 | 4.50 | 6 | 0.05 | 10 | 0.50 | |
| | Dejmek, Mark | | | 2181 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Bercys, Salvijus | m | | 2429 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Carlin, Alfred | | | 2209 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Kuljasevic, Davorin | m | | 2500 | CRO | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Stopa, Jacek | m | | 2440 | POL | 0.00 | 1 | -0.62 | 10 | -6.20 | | | Yang, Darwin | f | | 2181 | 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) | | |
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