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Individual Calculations September 2011 |
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| Gurevich, Dmitry Total change: 1.40 | |   |
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| 4th Annual Chicago Class | Wheeling, Illinois | USA | 2011-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2275 | 2479 | 4.00 | 5 | 0.30 | 10 | 3.00 | |
|  Holliman, Bob | | | 2103 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | |  Rosen, Eric S | | | 2216 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Kunche, Nikhilesh | f | | 2217 | IND | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Mitkov, Nikola | g | | 2527 | MKD | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Santarius, Erik | | | 2311 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | |
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) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2338 | 2479 | 5.50 | 8 | 0.30 | 10 | 3.00 | |
| | Gunawan, Cheston | | | 2079 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Vibbert, Sean | | | 2159 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Chiang, Michael | | | 2079 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Shvartsman, Andrew | c | | 2209 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Melekhina, Alisa | f | wm | 2263 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Gelashvili, Tamaz | g | | 2616 | GEO | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Van Wely, Loek | g | | 2683 | NED | 1.00 | 1 | 0.76 | 10 | 7.60 | | | Gareyev, Timur | g | | 2613 | UZB | 0.00 | 1 | -0.32 | 10 | -3.20 | | | * 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) | | | | 6th Annual Indianapolis Open | Indianapolis, Indiana | USA | 2011-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2258 | 2479 | 4.00 | 5 | 0.24 | 10 | 2.40 | |
| | Fast, Nathaniel S | | | 2143 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Stamnov, Aleksanda | f | | 2178 | MKD | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Whaley, Davis M | | | 2148 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Gareyev, Timur | g | | 2613 | UZB | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Karklins, Andrew | f | | 2210 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | |
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) | | | | 1st Metropolitan Chess FIDE International | Los Angeles, CA | USA | 2011-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2331 | 2479 | 5.50 | 9 | -0.70 | 10 | -7.00 | |
| | Haessel, Dale R | f | | 2211 | CAN | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Chua, Alexander | | | 2278 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Duckworth, William | f | | 2352 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Ramirez, Alejandro | g | | 2592 | USA | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Adamson, Robby | f | | 2324 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Lee, Michael | f | | 2395 | USA | 0.00 | 1 | -0.62 | 10 | -6.20 | | | Kavutskiy, Konstantin | | | 2225 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Rosen, Eric S | | | 2216 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Ravichandran, Siddharth | m | | 2387 | IND | 0.50 | 1 | -0.13 | 10 | -1.30 | |
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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