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Individual Calculations September 2011 |
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| Sevian, Samuel Total change: 8.10 | |   |
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| 51st Annual Pacific Southwest Open | Los Angeles, California | USA | 2011-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2313 | 2172 | 0.00 | 2 | -0.64 | 15 | -9.60 | |
|  Yankovsky, Roman | | | 2400 | RUS | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Kavutskiy, Konstantin | | | 2225 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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) | | | | 16th Annual Pacific Coast Open | Agoura Hills, California | USA | 2011-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2190 | 2172 | 4.00 | 6 | 1.13 | 15 | 16.95 | |
|  Gunawan, Cheston | | | 1936 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Bryant, John D | f | | 2406 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Nita, Marian N | | | 2049 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Amanov, Zhanibek | m | | 2382 | KAZ | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Chakraborty, Dipro | | | 2148 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Breckenridge, Steve | | | 2220 | 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) | | | | Landon Brownell Memorial | Los Angeles, California | USA | 2011-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2310 | 2172 | 2.50 | 9 | -0.41 | 15 | -6.15 | |
| | Haessel, Dale R | f | | 2211 | CAN | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Banawa, Joel | f | | 2374 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Taylor, Timothy W | m | | 2279 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Liu, Elliott Josep | f | | 2291 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Matikozyan, Andranik | m | | 2451 | ARM | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Amanov, Zhanibek | m | | 2382 | KAZ | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Yankovsky, Roman | | | 2400 | RUS | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Clawitter, Craig | | | 2118 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Coleman, Teddy | f | | 2285 | USA | 0.00 | 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) | | | | 1st Metropolitan Chess FIDE International | Los Angeles, CA | USA | 2011-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2276 | 2172 | 3.00 | 7 | 0.46 | 15 | 6.90 | |
| | Rensch, Daniel M | m | | 2410 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Barnett, Alex | | | 2254 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Szabo, Bence | | | 2362 | HUN | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Sinanan, Joshua C | | | 2273 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Ulrich, Thomas M | | | 2093 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Piasetski, Leon D | m | | 2289 | CAN | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Carreto, Giovanni | c | | 2251 | MEX | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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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