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Individual Calculations March 2011 |
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| Amanov, Zhanibek Total change: -29.90 | |   |
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| 20th Annual North American Open | Las Vegas, Nevada | USA | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2323 | 2394 | 3.00 | 5 | 0.09 | 10 | 0.90 | |
|  Karas, Nicholas | | | 2128 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | |  Sandager, Stephen | | | 2155 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Shabalov, Alexander | g | | 2591 | USA | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Kitagami, Show | | | 2073 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Van Wely, Loek | g | | 2666 | NED | 0.00 | 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) | | | | 2011 Berekely International | Berkeley, California | USA | 2011-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2285 | 2421 | 5.00 | 10 | -1.65 | 10 | -16.50 | |
| | Haessel, Dale | f | | 2190 | CAN | 0.00 | 1 | -0.79 | 10 | -7.90 | | | Troff, Kayden | | | 2247 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Helfst, Matt | | | 2021 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Pruess, David | m | | 2377 | USA | 1.00 | 1 | 0.44 | 10 | 4.40 | | | Bachmann, Axel | g | | 2548 | PAR | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Coleman, Teddy | f | | 2282 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Abrahamyan, Tatev | | wf | 2327 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Evans, Bela | f | | 2262 | USA | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Kleinman, Michael | | | 2127 | CAN | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Milan, Lev | m | | 2467 | USA | 0.00 | 1 | -0.44 | 10 | -4.40 | | | * 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 |
| 2146 | 2421 | 4.00 | 7 | -1.61 | 10 | -16.10 | |
| | Chiang, Sarah | | wc | 2021 * | USA | 0.00 | 1 | -0.92 | 10 | -9.20 | | | Gaffagan, Steven R | | | 2021 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Haring, Ruth Inez | | wm | 2021 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Brown, Michael W | | | 2079 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | | | Steinfl, Alessandr | | | 2209 | ITA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Perepelitsky, Edward | | | 2153 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Khachiyan, Melikset | g | | 2518 | USA | 0.00 | 1 | -0.37 | 10 | -3.70 | | | * 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) | | | | Jimmy Quon Memorial | Los Angeles, California | USA | 2011-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2420 | 2421 | 4.50 | 9 | 0.01 | 10 | 0.10 | |
| | Naroditsky, Daniel | f | | 2419 | USA | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Taylor, Timothy W | m | | 2314 | USA | 0.00 | 1 | -0.65 | 10 | -6.50 | | | Bojkov, Dejam | g | | 2544 | BUL | 1.00 | 1 | 0.67 | 10 | 6.70 | | | Adamson, Robby | f | | 2349 | USA | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Paragua, Mark C | g | | 2521 | PHI | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Khachiyan, Melikset | g | | 2518 | USA | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Molner, Mackenize | m | | 2458 | USA | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Stopa, Jacek | m | | 2451 | POL | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Steinfl, Alessandr | | | 2209 | ITA | 1.00 | 1 | 0.23 | 10 | 2.30 | |
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) | | | | 28th Annual US Amateur Team Championship - West | Woodland Hills, California | USA | 2011-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2255 | 2421 | 3.00 | 4 | 0.17 | 10 | 1.70 | |
| | Manukyan, Garush | | | 2310 | ARM | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Peters, Jack | m | | 2364 | USA | 0.00 | 1 | -0.58 | 10 | -5.80 | | | Faber, Craig Allen | | | 2113 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Villanueva, Hugo D | | | 2234 | PHI | 1.00 | 1 | 0.26 | 10 | 2.60 | |
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) | | |
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