Individual Calculations March 2012 |
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Gurczak, John Total change: -10.35 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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21st Annual North American Open - U2300 Section | Las Vegas, Nevada | USA | 2011-12-26 |
Rc | Ro | w | n | change | K | K*chg | Game |
2058 | 2103 | 1.50 | 4 | -0.69 | 15 | -10.35 | |
| Adams, Nicholas A | | | 2241 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | Lazarus, Barry J | | | 1833 | USA | 0.50 | 1 | -0.33 | 15 | -4.95 | | Carreto, Giovanni | c | | 2242 | MEX | 0.00 | 1 | -0.31 | 15 | -4.65 | | Beilin, Allan | | | 1917 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | 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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