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Individual Calculations July 2011 |
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| Bodek, Michael H Total change: 10.80 | |   |
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| 2011Marshall CC Maypril Grand Prix | New York, New York | USA | 2011-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 2176 | 1.00 | 1 | 0.35 | 15 | 5.25 | |
|  Berg, George P | | | 2066 | 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) | | | | 20th Annual Chicago Open | Wheeling, Illinois | USA | 2011-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2225 | 2180 | 4.50 | 9 | 0.42 | 15 | 6.30 | |
| | Brock, William H | | | 2024 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | |  Blanco, Alvaro | m | | 2313 | MEX | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Schmakel, Sam A | | | 1986 | USA | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Gareyev, Timur | g | | 2580 * | UZB | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kogen, Jonathan S | | | 1998 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Mandizha, Farai | f | | 2395 | ZIM | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Bercys, Salvijus | m | | 2468 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Mc Clanahan, Gavin | | | 1875 | USA | 0.50 | 1 | -0.36 | 15 | -5.40 | | | Felecan, Florin | m | | 2390 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | * 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) | | | | 4th New York International | New York, New York | USA | 2011-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2228 | 2180 | 3.50 | 8 | -0.05 | 15 | -0.75 | |
| | Kekelidze, Mikheil | g | | 2463 | GEO | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Colas, Joshua | | | 2040 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Tom, George | | | 2034 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Kleiman, Jake | m | | 2392 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Black Jr, James A | | | 2094 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Piasetski, Leon D | m | | 2301 | CAN | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Langer, Michael | f | | 2267 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Pressman, Leif A | | | 2230 | USA | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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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