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Individual Calculations November 2009 |
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| Robson, Ray Total change: 40.00 | |   |
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| 23rd North American FIDE Invitational | Skokie, Illinois | USA | 2009-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2438 | 2491 | 7.00 | 9 | 1.90 | 10 | 19.00 | |
|  Arjun, Vishnuvardhan | m | | 2295 | IND | 1.00 | 1 | 0.25 | 10 | 2.50 | |  Kacheishvili, Gior | g | | 2606 | GEO | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Kleiman, Jake | f | | 2350 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Izoria, Zviad | g | | 2604 | GEO | 1.00 | 1 | 0.65 | 10 | 6.50 | | | Thaler, Michael | | | 2235 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Amanov, Mesgen | g | | 2497 | TKM | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Finegold, Benjamin | m | | 2513 | USA | 1.00 | 1 | 0.53 | 10 | 5.30 | | | Shankland, Samuel | m | | 2448 | USA | 1.00 | 1 | 0.44 | 10 | 4.40 | | | Mulyar, Michael A | m | | 2390 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | |
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) | | | | Spice Cup 2009 - Group B | Lubbbock, Texas | USA | 2009-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2500 | 2527 | 5.50 | 9 | 0.68 | 10 | 6.80 | |
| | Perelshteyn, Eugene | g | | 2542 | USA | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Ippolito, Dean J | m | | 2459 | USA | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Bhat, Vinay S | g | | 2474 | USA | 0.00 | 1 | -0.57 | 10 | -5.70 | | | Finegold, Benjamin | m | | 2515 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Kuljasevic, Davorin | m | | 2547 | CRO | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Papp, Gabor | m | | 2562 | HUN | 1.00 | 1 | 0.55 | 10 | 5.50 | | | Antal, Gergely | m | | 2486 | HUN | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Diamant, Andre | g | | 2526 | BRA | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Rensch, Daniel M | f | | 2392 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | |
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) | | | | Campeonato Juvenil Panamericano Absoluto (sub 20) | Montevideo | URU | 2009-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2335 | 2527 | 8.00 | 9 | 1.42 | 10 | 14.20 | |
| | Carlo, Daniel | | | 2127 * | BOL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Garcia Cardenas, Pablo | | | 2312 | CHI | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Ibarra Chami, Luis | m | | 2393 | MEX | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Diaz, Ciro | | | 2323 | ECU | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Diamant, Andre | g | | 2526 | BRA | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Garcia Guerrero, Isaac | | | 2156 | MEX | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Tristan, Leonardo | | | 2412 | ARG | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Gallego, Andres | | | 2404 | COL | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Macias, Bryan | f | | 2363 | ECU | 0.50 | 1 | -0.22 | 10 | -2.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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