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Individual Calculations March 2011 |
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| Paragua, Mark C Total change: 26.30 | |   |
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| 37th Annual Eastern Open | Washington DC | USA | 2010-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2231 | 2509 | 3.50 | 4 | 0.25 | 10 | 2.50 | |
|  Winter, Curtis A | | | 2109 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Kaufman, Lawrence | g | | 2410 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Ding, Jialin | | | 2109 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Kaufman, Raymond | m | | 2295 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | * 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 Golden State Open | Concord, California | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2430 | 2521 | 3.00 | 5 | -0.09 | 10 | -0.90 | |
| | Lee, Andy C | f | | 2271 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Khachiyan, Melikset | g | | 2518 | USA | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Sevillano, Enrico | m | | 2522 | USA | 0.50 | 1 | 0.00 | 10 | 0.00 | | | De Guzman, Ricardo | m | | 2386 | PHI | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Stopa, Jacek | m | | 2451 | POL | 0.50 | 1 | -0.10 | 10 | -1.00 | |
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) | | | | Jimmy Quon Memorial | Los Angeles, California | USA | 2011-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2409 | 2521 | 7.50 | 9 | 1.70 | 10 | 17.00 | |
| | Molner, Mackenize | m | | 2458 | USA | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Stopa, Jacek | m | | 2451 | POL | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Steinfl, Alessandr | | | 2209 | ITA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Naroditsky, Daniel | f | | 2419 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Amanov, Zhanibek | m | | 2421 | KAZ | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Bojkov, Dejam | g | | 2544 | BUL | 1.00 | 1 | 0.53 | 10 | 5.30 | | | Adamson, Robby | f | | 2349 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Taylor, Timothy W | m | | 2314 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Khachiyan, Melikset | g | | 2518 | USA | 0.50 | 1 | 0.00 | 10 | 0.00 | |
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) | | | | Land of the Sky XXIV | Asheville, North Carolina | USA | 2011-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2357 | 2521 | 4.00 | 5 | 0.57 | 10 | 5.70 | |
| | Stevenson, Will T | | | 2157 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Potter, John R | | | 2189 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Ardaman, Miles F | f | | 2307 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Ivanov, Alexander | g | | 2545 | USA | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Shabalov, Alexander | g | | 2586 | USA | 0.50 | 1 | 0.09 | 10 | 0.90 | |
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) | | | | 50th Baltimore Open | Timonium, Maryland | USA | 2011-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2186 | 2521 | 4.50 | 5 | 0.18 | 10 | 1.80 | |
| | Strenzwilk, Denis | | | 2121 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Schoch, Ian David | | | 2121 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Balasubramanian, Adithya | | | 2180 | IND | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Defibaugh, Jared | | | 2134 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Enkhbat, Tegshsurern | m | | 2376 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | * 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) | | | | 2011 New York February Open | New York, New York | USA | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2330 | 2521 | 1.50 | 2 | 0.02 | 10 | 0.20 | |
| | Sturt, Raven M | | | 2241 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Sarkar, Justin | m | | 2418 | 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) | | |
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