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Individual Calculations February 2013 |
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| Izoria, Zviad Total change: -12.00 | |   |
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| 2012 Marshall Chess Club Championship | New york, New York | USA | 2012-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2342 | 2595 | 5.00 | 8 | -1.31 | 10 | -13.10 | |
|  Juac, Majur | | | 2195 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Wyss, Jonas | f | | 2273 | SUI | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Herman, Matthew J | | | 2385 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Schein, Aaron O | | | 2195 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kekelidze, Mikheil | g | | 2491 | GEO | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Gelashvili, Tamaz | g | | 2566 | GEO | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Sarkar, Justin | m | | 2415 | USA | 0.00 | 1 | -0.74 | 10 | -7.40 | | | Pressman, Leif A | f | | 2216 | USA | 0.50 | 1 | -0.41 | 10 | -4.10 | | | * 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) | | | | 31st Annual Empire City Open | New York, New York | USA | 2012-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2256 | 2595 | 2.50 | 3 | -0.14 | 10 | -1.40 | |
| | Castillo, Josue N | | | 2195 * | DOM | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Bonin, Jay R | m | | 2322 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Katz, Alexander Ross | | | 2250 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | * 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) | | | | 2013 MCC January Grand Prix | New York, New York | USA | 2013-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2195 | 2595 | 1.00 | 1 | 0.08 | 10 | 0.80 | |
| | Busygin, Stanislav | | | 2195 * | 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) | | | | 45th Annual Liberty Bell Open - Open Section | Philadelphia, Pennsylvania | USA | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2496 | 2595 | 2.00 | 3 | 0.17 | 10 | 1.70 | |
| | Shabalov, Alexander | g | | 2578 | USA | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Erenburg, Sergey | g | | 2637 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Shvartsman, Andrew | c | | 2273 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | |
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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