Psoma, Virginia January 2012 FIDE Individual Chess Calculations

Individual Calculations January 2012

Psoma, Virginia Total change: 33.90

Panellinios GS - APO Kotinos - SO Ikarias tournament under 1800			Athens		GRE	2011-09-18
Rc	Ro			w	n	change	K	*Kchg**	Game
1775	1542			0.50	2	0.07	15	1.05

Paizis, Konstantinos		1850	GRE	0.50	1	0.36	15	5.40
Kappos, Ioannis		1699	GRE	0.00	1	-0.29	15	-4.35
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)

118th Ambelokipi Open			Athens, Ambelokipi		GRE	2011-10-08
Rc	Ro			w	n	change	K	*Kchg**	Game
1760	1542			2.00	3	1.29	15	19.35

Petousis, Konstantinos		1676	GRE	0.50	1	0.18	15	2.70
Mitsakos, Achilleas		1700	GRE	0.50	1	0.21	15	3.15
Papamichael, Georgios		1905	GRE	1.00	1	0.90	15	13.50
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)

13th Open SOP-SMAOK under 1900 rating			Pagrati, Athens		GRE	2011-11-04
Rc	Ro			w	n	change	K	*Kchg**	Game
1687	1593			2.00	4	0.43	15	6.45

Fahouri, Nidal		1905	GRE	0.00	1	-0.14	15	-2.10
Kiriakakis, Antonios		1371	GRE	1.00	1	0.22	15	3.30
Pramateftakis, Nikolaos		1855	GRE	0.00	1	-0.18	15	-2.70
Fotiadis, Kleanthis		1617	GRE	1.00	1	0.53	15	7.95
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)

ESSNA women team championship 2011			Attica		GRE	2011-11-06
Rc	Ro			w	n	change	K	*Kchg**	Game
1363	1593			2.00	2	0.47	15	7.05

Salahidou, Galini		1499	GRE	1.00	1	0.37	15	5.55
Panfilova, Polina		1227	GRE	1.00	1	0.10	15	1.50
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)

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