Tarira, Walter July 2008 FIDE Individual Chess Calculations

Individual Calculations July 2008

Tarira, Walter Total change: -20.25

Campeonato Nacional de Veteranos 2007/2008			Figueira da Foz		POR	2008-03-16
Rc	Ro			w	n	change	K	*Kchg**	Game
1736	1663			2.00	7	-0.83	15	-12.45

Vasques, Jose Mesquita		1879	POR	0.00	1	-0.22	15	-3.30
Quadros, Alberto Mendes		1749	POR	1.00	1	0.62	15	9.30
Mendes, Alberto Correa		1858	POR	0.00	1	-0.25	15	-3.75
Vieira, Vitor		1748	POR	0.00	1	-0.38	15	-5.70
Pereira, Aurelio Da Conceicao		1670	POR	0.50	1	0.01	15	0.15
Loureiro, Ernesto Oscar		1622	POR	0.50	1	-0.06	15	-0.90
Videira, Alfredo		1627	POR	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)

II Circuito Xadrez Vila Franca Xira - Grupo Xadrez Peões de Alverca 2008			Alverca		POR	2008-03-31
Rc	Ro			w	n	change	K	*Kchg**	Game
1703	1663			1.00	4	-0.87	15	-13.05

Martins, Abilio Morgado		1660	POR	0.50	1	0.00	15	0.00
Santos, Ricardo		2013	POR	0.00	1	-0.11	15	-1.65
Loureiro, Ernesto Oscar		1622	POR	0.50	1	-0.06	15	-0.90
Santos, Norberto Fernandes		1515	POR	0.00	1	-0.70	15	-10.50
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)

II Circuito de Xadrez de Vila Franca - A A Vilafranquense			Vila Franca de Xira		POR	2008-05-14
Rc	Ro			w	n	change	K	*Kchg**	Game
1825	1679			1.00	2	0.35	15	5.25

Guimaraes, Claudio		1956	POR	0.00	1	-0.17	15	-2.55
Martins, Abilio Morgado		1694	POR	1.00	1	0.52	15	7.80
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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