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Individual Calculations April 2009 |
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| Salem, Ihab Total change: -58.50 | |   |
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| Open zur Schach-Olympiade 2008 | Dresden | GER | 2008-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 2171 | 2.00 | 3 | -0.17 | 15 | -2.55 | |
|  Rahn, Manfred | | | 1846 | GER | 0.50 | 1 | -0.37 | 15 | -5.55 | |  Asefi, Zaheeruddeen | f | | 2172 | AFG | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Kirsch, Heinrich | | | 1929 | GER | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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) | | | | Hastings Masters | Hastings | ENG | 2008-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2267 | 2171 | 4.00 | 9 | 0.48 | 15 | 7.20 | |
| | Cannon, Raymond C | | | 2041 | ENG | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Greet, Andrew N | m | | 2440 | ENG | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Kurnosov, Igor | g | | 2521 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Ansell, Simon T | m | | 2409 | ENG | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Cherniaev, Alexander | g | | 2438 | RUS | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Foord, Dominic | | | 2043 | ENG | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Eames, Robert S | f | | 2329 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Pickersgill, Adrian O | | | 2043 | ENG | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Dickson, George | | | 2135 | ENG | 0.00 | 1 | -0.55 | 15 | -8.25 | |
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) | | | | Gibraltar Master 2009 | Gibraltar | ENG | 2009-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 2171 | 5.00 | 10 | -0.46 | 15 | -6.90 | |
| | Hommeles, Theo | f | | 2410 | NED | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Pettersen, Joar Gullestad | | | 2016 | NOR | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Ribon Calabia, Mariano | | | 1864 | ESP | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Dasaolu, Adeoye | | | 2024 | ENG | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Linqvist, Grels | | | 2034 | FIN | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Beltran Medina, Jorge | | | 2006 | MEX | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Cafolla, Peter | | | 2013 | IRL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Ashton, Adam G | f | | 2321 | ENG | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Van Eijk, Sander | f | | 2355 | NED | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Rasch, Holger | | | 2301 | GER | 0.50 | 1 | 0.18 | 15 | 2.70 | |
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) | | | | Gibraltar Challengers 1 2009 | Gibraltar | ENG | 2009-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 2171 | 1.50 | 4 | -1.55 | 15 | -23.25 | |
| | Demac, Elias | | | 1993 | NOR | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Helin, Mikael | | | 1974 | SWE | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Quinn, Joseph R | | | 1835 | ENG | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Suez-Panama, Gilles | | | 2032 | FRA | 0.00 | 1 | -0.69 | 15 | -10.35 | |
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) | | | | Gibraltar Challengers 2 2009 | Gibraltar | ENG | 2009-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 2171 | 1.50 | 3 | -0.77 | 15 | -11.55 | |
| | Bryn, Askild | | | 2006 | NOR | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Nisbet, Alex Ian | | | 1975 | SCO | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Gravett, Alan D | | | 1934 | ENG | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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) | | | | Uxbridge Open | Uxbridge | ENG | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2210 | 2171 | 0.00 | 3 | -1.43 | 15 | -21.45 | |
| | Hebden, Mark L | g | | 2521 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Makepeace, Philip J | | | 2032 | ENG | 0.00 | 1 | -0.69 | 15 | -10.35 | | | De Coverly, Roger D | | | 2077 | ENG | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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) | | |
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