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Individual Calculations October 2008 |
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| Tate, Emory A Total change: -38.40 | |   |
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| 50th Gem City Open | Dayton, Ohio | USA | 2008-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2299 | 2378 | 1.50 | 2 | 0.36 | 10 | 3.60 | |
|  Goldin, Alexander | g | | 2569 | USA | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Friedman, David | | | 2028 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | |
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) | | | | 12th North American FIDE Invitational | Chicago, Illinois | USA | 2008-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2295 | 2378 | 4.50 | 9 | -0.99 | 10 | -9.90 | |
|  Arnold, Marc Tyler | | | 2276 | USA | 0.00 | 1 | -0.64 | 10 | -6.40 | | | Pasalic, Mehmed | f | | 2392 | GER | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Young, Angelo | m | | 2381 | PHI | 0.00 | 1 | -0.50 | 10 | -5.00 | | | Stamnov, Alexander | f | | 2239 | MKD | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Dean, Jim H | f | | 2248 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Felecan, Florin | f | | 2377 | USA | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Kuderinov, Kirill | m | | 2422 | KAZ | 0.00 | 1 | -0.44 | 10 | -4.40 | | | Yuan, Yuan Ling | | wf | 2119 | CAN | 0.00 | 1 | -0.82 | 10 | -8.20 | | | Chow, Albert C | f | | 2198 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | |
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) | | | | 36th Annual World Open (Open Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2374 | 2378 | 4.00 | 9 | -0.56 | 10 | -5.60 | |
| | Akobian, Varuzhan | g | | 2601 | USA | 0.00 | 1 | -0.22 | 10 | -2.20 | | | Thaler, Michael | | | 2159 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Stocek, Jiri | g | | 2584 | CZE | 0.00 | 1 | -0.24 | 10 | -2.40 | | | Homa, Seth | | | 2239 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Bady, Glenn | | | 2229 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Rohde, Michael A | g | | 2460 | USA | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Privman, Boris | f | | 2201 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Venkatesh, Marani | m | | 2450 | IND | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Bartholomew, John | m | | 2440 | USA | 0.00 | 1 | -0.41 | 10 | -4.10 | |
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) | | | | 13th North American FIDE Invitational | Chicago, Illinois | USA | 2008-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2377 | 3.50 | 9 | -2.00 | 10 | -20.00 | |
| | Akopian, Robert | | | 2098 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Stamnov, Aleksander | f | | 2229 | MKD | 0.00 | 1 | -0.70 | 10 | -7.00 | | | Barclay, Kayin | | | 2184 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Thaler, Michael | | | 2149 | USA | 0.00 | 1 | -0.79 | 10 | -7.90 | | | Felecan, Florin | f | | 2381 | USA | 1.00 | 1 | 0.51 | 10 | 5.10 | | | Amanov, Mesgen | m | | 2385 | TKM | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Kuderinov, Kirill | m | | 2422 | KAZ | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Pasalic, Mehmed | f | | 2401 | GER | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Kleiman, Jake | f | | 2353 | USA | 0.00 | 1 | -0.53 | 10 | -5.30 | |
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) | | | | Chicago Class Championships | Oak Brook, Illinois | USA | 2008-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2300 | 2377 | 1.00 | 3 | -0.80 | 10 | -8.00 | |
| | Felecan, Florin | f | | 2381 | USA | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Battaglini, Gabriel | | | 2341 | FRA | 0.00 | 1 | -0.55 | 10 | -5.50 | | | Cao, Tony | | | 2179 | USA | 0.50 | 1 | -0.26 | 10 | -2.60 | |
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) | | | | Billy Colias Memorial Section B | Joliet, Illinois | USA | 2008-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2377 | 4.50 | 5 | 0.75 | 10 | 7.50 | |
| | Gratz, Glen | | | 2259 | USA | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Cao, Tony | | | 2179 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Loncarevic, Rob | | | 2110 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Strunk, Adam | | | 2133 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Tennant, Steven | | | 2222 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | |
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) | | | | 109th Annual US Open | Dallas, Texas | USA | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2226 | 2377 | 1.00 | 2 | -0.32 | 10 | -3.20 | |
| | Trammell Iii, George | | | 2034 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Bradford, Joseph M | m | | 2418 | USA | 0.00 | 1 | -0.44 | 10 | -4.40 | |
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) | | | | 2008 Illinois Open | Lombard, Illinois | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2223 | 2377 | 2.50 | 4 | -0.28 | 10 | -2.80 | |
| | Chow, Albert C | f | | 2186 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Burgess, Jon L | | | 2232 | ENG | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Rosen, Eric S | | | 2106 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Young, Angelo | m | | 2367 | PHI | 0.00 | 1 | -0.51 | 10 | -5.10 | |
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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