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Individual Calculations July 2009 |
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| Chow, Albert C Total change: 51.15 | |   |
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| 19th NA FIDE Invitational | Skokie, Illinois | USA | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2269 | 2203 | 4.50 | 9 | 0.80 | 15 | 12.00 | |
|  Boor, Carl B | f | | 2318 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | |  Felecan, Florin | f | | 2380 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Amanov, Mesgen | m | | 2453 | TKM | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Pasalic, Mehmed | m | | 2365 | GER | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Shankar, Gauri | f | | 2272 | IND | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Muradian, Sevan A | | | 1925 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Young, Angelo | m | | 2361 | PHI | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Hortillosa, Andres | | | 2141 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Tennant, Steven | | | 2203 | USA | 0.50 | 1 | 0.00 | 15 | 0.00 | |
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 North American FIDE Invitational | Skokie, Illinois | USA | 2009-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 2203 | 6.50 | 9 | 2.50 | 15 | 37.50 | |
| | Brock, William H | | | 2009 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Arjun, Vishnuvardh | m | | 2307 | IND | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Felecan, Florin | f | | 2369 | USA | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Shankar, Gauri | f | | 2278 | IND | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Pasalic, Mehmed | m | | 2365 | GER | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Young, Angelo | m | | 2350 | PHI | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Stamnov, Aleksanda | f | | 2226 | MKD | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Koo, Oliver T | | | 2255 | USA | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Flaga, Krzysztof | | | 2038 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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) | | | | 18th Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2155 | 2203 | 3.50 | 6 | 0.11 | 15 | 1.65 | |
| | Magness, Trevor S | | | 2122 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Terrie, Henry L | | | 2089 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Iwu, Okechukwu N | | | 2198 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Rabin, Evan Z | | | 2033 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Schill Ii, William | f | | 2239 | USA | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Salimbagat, Rico | f | | 2249 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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) | | |
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