Vergara Castillo, Boris April 2009 FIDE Individual Chess Calculations

Individual Calculations April 2009

Vergara Castillo, Boris Total change: -49.80

COPA INTERCLUBES ENDESA-FUNDACION CHILENA DE AJEDREZ 2007			Santiago		CHI	2007-10-16
Rc	Ro			w	n	change	K	*Kchg**	Game
1978	2063			3.50	7	-0.77	15	-11.55

Carrasco Miranda, Andres		2123	CHI	0.50	1	0.08	15	1.20
Dumas Aviles, Alejandro		2231	CHI	0.00	1	-0.28	15	-4.20
Letelier Nicolai, Pablo		1816	CHI	1.00	1	0.19	15	2.85
Domeyko Balmaceda, Carlos		1806	CHI	0.50	1	-0.32	15	-4.80
Seguel Bahamondes, Jaime		1924	CHI	1.00	1	0.31	15	4.65
Racagni Valdes, Renato		1961	CHI	0.50	1	-0.14	15	-2.10
Navarro Guerrero, Martin		1986	CHI	0.00	1	-0.61	15	-9.15
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)

Torneo Semifinal Metropolitana Campeonato de Chile FENACH 2007 - 2008			Santiago		CHI	2008-02-06
Rc	Ro			w	n	change	K	*Kchg**	Game
2020	2063			0.00	3	-1.68	15	-25.20

Romero Pino, Claudio		2301	CHI	0.00	1	-0.20	15	-3.00
Abarza Alarcon, Oscar		1834	CHI	0.00	1	-0.79	15	-11.85
Paredes Alvarez, Leonardo		1925	CHI	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)

CAMPEONATO INTEREMPRESAS INDIVIDUAL ENDESA 2008			Santiago		CHI	2008-05-13
Rc	Ro			w	n	change	K	*Kchg**	Game
2076	2063			2.50	5	0.09	15	1.35

Jofre Cartagena, Samuel		2038	CHI	0.50	1	-0.03	15	-0.45
Andueza Quezada, Danilo		2202	CHI	0.00	1	-0.31	15	-4.65
Quiroz Astudillo, Fernando		1976	CHI	1.00	1	0.38	15	5.70
Dupret, Xavier		2003	CHI	1.00	1	0.42	15	6.30
Caceres Vasquez, Sergio		2159	CHI	0.00	1	-0.37	15	-5.55
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)

Torneo de Ajedrez Interempresas ENDESA 2008 Serie "A"			Santiago		CHI	2008-07-22
Rc	Ro			w	n	change	K	*Kchg**	Game
2121	2063			4.00	6	1.46	15	21.90

Berti Contreras, Lorenginis		2133	CHI	0.50	1	0.10	15	1.50
Mella Zuniga, Gustavo		2122	CHI	1.00	1	0.58	15	8.70
San Cristobal Flores, Mario Ale		2224	CHI	0.00	1	-0.29	15	-4.35
Castillo Grado, Augusto		2005	CHI	1.00	1	0.42	15	6.30
Alvarez Guzman, Jorge		2102	CHI	1.00	1	0.55	15	8.25
Gonzalez Astete, Cristian		2139	CHI	0.50	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)

IRT 16 Endesa- Fundacion Chilena de Ajedrez			Santiago		CHI	2008-08-18
Rc	Ro			w	n	change	K	*Kchg**	Game
2161	2063			2.50	7	-0.16	15	-2.40

Iturrieta Butikofer, Francisco		2131	CHI	0.50	1	0.09	15	1.35
Abello Farias, Javier Fernando		2065	CHI	0.00	1	-0.50	15	-7.50
Rakela Rodriguez, Juan		1980	CHI	1.00	1	0.39	15	5.85
Caurapan Osses, Jaime		2208	CHI	0.00	1	-0.31	15	-4.65
Stawizsinski, Walter		2088	GER	0.50	1	0.03	15	0.45
Lopez Silva, Hugo Andres		2378	CHI	0.00	1	-0.14	15	-2.10
Bombardiere Rosas, Eduardo	f	2280	CHI	0.50	1	0.28	15	4.20
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)

Torneo Clasificatorio ITT Norma de MI Espacio Endesa - Fundacion Chilena de Ajedrez			Santiago		CHI	2008-09-24
Rc	Ro			w	n	change	K	*Kchg**	Game
2112	2063			0.50	3	-0.81	15	-12.15

Stawizsinski, Walter		2088	GER	0.00	1	-0.47	15	-7.05
Cuevas Araya, Walter		2182	CHI	0.00	1	-0.34	15	-5.10
Abello Farias, Javier Fernando		2065	CHI	0.50	1	0.00	15	0.00
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)

COPA INTERCLUBES ENDESA-FUNDACION CHILENA DE AJEDREZ 2008			Santiago		CHI	2008-11-04
Rc	Ro			w	n	change	K	*Kchg**	Game
1978	2063			1.00	4	-1.45	15	-21.75

Valenzuela Torres, Eugenio Rodr		1909	CHI	0.50	1	-0.21	15	-3.15
Romero Araya, Diego Alonso		2140	CHI	0.00	1	-0.39	15	-5.85
Aliaga Parra, Octavio		1883	CHI	0.00	1	-0.74	15	-11.10
Rakela Rodriguez, Juan		1980	CHI	0.50	1	-0.11	15	-1.65
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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