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Individual Calculations March 2012 |
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| De Guzman, Ricardo Total change: 7.20 | |   |
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| 21st Annual North American Open - Open Section | Las Vegas, Nevada | USA | 2011-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2278 | 2390 | 4.00 | 7 | -0.45 | 10 | -4.50 | |
|  Smail, Benedict A | | | 2042 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | |  Kelley, Dereque D | | | 2231 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Shabalov, Alexander | g | | 2523 | USA | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Fields, Paul H | | | 2230 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Kavutskiy, Konstantin | f | | 2303 | USA | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Sevillano, Enrico | m | | 2461 | USA | 0.00 | 1 | -0.40 | 10 | -4.00 | | | Shaw, Tenzing W | | | 2154 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | |
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) | | | | 2012 Northern California International | Fremont, California | USA | 2012-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2396 | 2393 | 4.50 | 8 | 0.57 | 10 | 5.70 | |
| | Margvelashvili, Giorgi | g | | 2531 | GEO | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Santarius, Erik | | | 2276 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Arnold, Marc | m | | 2482 | USA | 0.00 | 1 | -0.38 | 10 | -3.80 | | | Studen, Damir | | | 2248 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Hunt, Adam | m | | 2462 | ENG | 1.00 | 1 | 0.60 | 10 | 6.00 | | | Friedel, Josh | g | | 2523 | USA | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Sevian, Samuel | | | 2185 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Shahade, Greg | m | | 2463 | USA | 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) | | | | 3rd Annual Golden State Open | Concord, California | USA | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2340 | 2393 | 3.50 | 5 | 0.65 | 10 | 6.50 | |
| | Manvelyan, Hayk | | | 2202 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Lee, Andy C | f | | 2256 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Chen, Howard Jed | | | 2356 | USA | 1.00 | 1 | 0.45 | 10 | 4.50 | | | Perelshteyn, Eugene | g | | 2526 | USA | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Mezentsev, Vladimir | m | | 2360 | RUS | 0.50 | 1 | -0.05 | 10 | -0.50 | |
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) | | | | 29th Annual US Amateur Team Championship West | Santa Clara, California | USA | 2012-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2170 | 2393 | 3.00 | 4 | -0.05 | 10 | -0.50 | |
| | Lee, Andy C | f | | 2256 | USA | 0.00 | 1 | -0.68 | 10 | -6.80 | | | Pinto, Mark A | f | | 2120 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Cunningham, Robin | f | | 2295 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Wheeler, Cameron | | | 2008 | USA | 1.00 | 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) | | |
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