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Individual Calculations November 2009 |
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| Betaneli, Alex Total change: 12.00 | |   |
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| 23rd North American FIDE Invitational | Skokie, Illinois | USA | 2009-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2350 | 2287 | 4.00 | 9 | 0.21 | 15 | 3.15 | |
|  Amanov, Mesgen | g | | 2497 | TKM | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Matthews, Shane | | | 2228 | JAM | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Mitkov, Nikola | g | | 2526 | MKD | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Yang, Darwin | f | | 2262 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Young, Angelo | m | | 2318 | PHI | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Vigorito, David | m | | 2400 | USA | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Arnold, Marc Tyler | m | | 2407 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Chow, Albert C | f | | 2254 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Pitterson, Jomo | f | | 2254 | JAM | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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) | | | | 18th Annual Midwest Class Champinships | Wheeling, Illinois | USA | 2009-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2195 | 2287 | 3.00 | 4 | 0.59 | 15 | 8.85 | |
| | Shetty, Atulya A | | | 2033 | USA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Auger, Michael W | | | 1946 | USA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Mitkov, Nikola | g | | 2525 | MKD | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Spiridonski, Michal J | | | 2275 | POL | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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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