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Individual Calculations September 2012 |
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| Ostrovskiy, Aleksandr Total change: 20.70 | |   |
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| 2012 Washington International | Rockville, Maryland | USA | 2012-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2364 | 2351 | 5.50 | 9 | 1.09 | 15 | 16.35 | |
|  Prieto, Ernesto | | | 2104 | COL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Kamsky, Gata | g | | 2744 | USA | 0.50 | 1 | 0.42 | 15 | 6.30 | |  Hunt, Adam | m | | 2447 | ENG | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Kekelidze, Mikheil | g | | 2494 | GEO | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Bartell, Thomas | f | | 2410 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Foisor, Mihaela V | | wm | 2220 | ROU | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Shabalov, Alexander | g | | 2534 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Colas, Joshua | | | 2126 | USA | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Rozman, Levy | | | 2200 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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) | | | | 11th Annual Manhattan Open - Open Section | New York, New York | USA | 2012-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2227 | 2347 | 3.50 | 5 | 0.29 | 15 | 4.35 | |
| | Ryba, Andrew A | | | 2162 | USA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Lawson, Brian | | | 2071 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Busygin, Stanislav | | | 2080 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Rohde, Michael A | g | | 2431 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Sarkar, Justin | m | | 2392 | 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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