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Individual Calculations January 2009 |
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| Betaneli, Alexander Total change: -34.05 | |   |
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| MCA FIDE Futurity V | Joliet, Illinois | USA | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 2308 | 0.00 | 1 | -0.76 | 15 | -11.40 | |
|  Rosen, Eric S | | | 2106 | USA | 0.00 | 1 | -0.76 | 15 | -11.40 | |
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) | | | | 17th Annual Midwest Class Championships | Wheeling, Illinois | USA | 2008-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2216 | 2318 | 1.50 | 3 | -0.42 | 15 | -6.30 | |
|  Homa, Seth | | | 2224 | USA | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Santarius, Erik F | | | 2213 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Iwu, Okechukwu A | | | 2210 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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) | | | | 2008 Pan American - Continental Championships | Boca Raton, Florida | USA | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2268 | 2318 | 5.00 | 9 | -0.05 | 15 | -0.75 | |
| | Barros, Raul Junior | f | | 2002 | COL | 0.00 | 1 | -0.87 | 15 | -13.05 | | | Xanthos, Constantine | | | 2196 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Santalla, Andres | | | 2108 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Bhat, Vinay S | g | | 2497 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Escobar, Alder | m | | 2482 | COL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Vaja, Ashish | | | 2183 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Ferrufino, Boris | c | | 2182 | BOL | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Ossa, Orlando | | | 2314 | COL | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Barrientos, Sergio | m | | 2450 | COL | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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) | | | | 17th North American FIDE Invitational | Skokie, Illinois | USA | 2008-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2268 | 2318 | 4.00 | 9 | -1.04 | 15 | -15.60 | |
| | Morales, Sergio | f | | 2279 | MEX | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Monokroussos, Dennis | f | | 2290 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Young, Angelo | m | | 2358 | PHI | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Muradian, Sevan A | | | 1968 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Inumerable, Florentin | | | 2187 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Stamnov, Aleksander | f | | 2230 | MKD | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Tate, Emory | m | | 2339 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Antonio, Rogelio | g | | 2515 | PHI | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Tsyganov, Igor | f | | 2248 | USA | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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) | | |
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