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Individual Calculations March 2011 |
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| Stopa, Jacek Total change: 1.80 | |   |
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| 2nd Annual Golden State Open | Concord, California | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2349 | 2451 | 3.00 | 5 | -0.13 | 10 | -1.30 | |
|  Steinfl, Alessandr | | | 2209 | ITA | 0.50 | 1 | -0.30 | 10 | -3.00 | |  Sevillano, Enrico | m | | 2522 | USA | 0.00 | 1 | -0.40 | 10 | -4.00 | | | Formanek, Edward W | m | | 2233 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Chen, Howard J | | | 2260 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Paragua, Mark C | g | | 2521 | PHI | 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 |
| 2417 | 2451 | 4.50 | 9 | -0.37 | 10 | -3.70 | |
| | Adamson, Robby | f | | 2349 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Paragua, Mark C | g | | 2521 | PHI | 0.00 | 1 | -0.40 | 10 | -4.00 | | | Khachiyan, Melikset | g | | 2518 | USA | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Molner, Mackenize | m | | 2458 | USA | 0.00 | 1 | -0.49 | 10 | -4.90 | | | Taylor, Timothy W | m | | 2314 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Steinfl, Alessandr | | | 2209 | ITA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Naroditsky, Daniel | f | | 2419 | USA | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Amanov, Zhanibek | m | | 2421 | KAZ | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Bojkov, Dejam | g | | 2544 | BUL | 0.50 | 1 | 0.13 | 10 | 1.30 | |
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) | | | | 37th Annual Peoples Tournament | Fremont, California | USA | 2011-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2213 | 2451 | 3.00 | 3 | 0.68 | 10 | 6.80 | |
| | Loanzon, Arjoe | | | 2128 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Bryant, John Daniel | f | | 2403 | USA | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Perepelitsky, Philipp | | | 2109 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | |
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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