Reyes Aristizabal, Andres December 2018 FIDE Individual Chess Calculations

Individual Calculations December 2018

Reyes Aristizabal, Andres Total change: -77.20

Campeonato Panamericano Amateur Absoluto sub 1700			Panama		PAN	2018-11-01
Rc	Ro			w	n	change	K	*Kchg**	Game
1441	1661			2.50	5	-1.25	40	-50.00

Machaj Castillero, Miguel Angel		1459	PAN	0.00	1	-0.76	40	-30.40
Ibanez, Diego		1278	PAN	0.50	1	-0.41	40	-16.40
Valderrama, Fernando		1261 *	PAN	1.00	1	0.08	40	3.20
Corrales, Mario		1620	PAN	1.00	1	0.44	40	17.60
Arosemena, Betty		1588	PAN	0.00	1	-0.60	40	-24.00
* Rating difference of more than 400. Please read more at FIDE Handbook
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)

Subzonal 2.3.4 Colombia Absoluto 2018 Camp Nacional Ajedrez Mayores Absoluto 2018			Bogota		COL	2018-11-06
Rc	Ro			w	n	change	K	*Kchg**	Game
1690	1661			2.00	6	-0.68	40	-27.20

Campos Perilla, Felix Santiago		1359	COL	0.50	1	-0.35	40	-14.00
Tello, Nicolas Eduardo		1317	COL	1.00	1	0.12	40	4.80
Acuna, Nelson David		1852	COL	0.00	1	-0.25	40	-10.00
Casas, Julio Eduardo		1903	COL	0.00	1	-0.20	40	-8.00
Cedeno, Romulo	c	1832	COL	0.50	1	0.23	40	9.20
Neira, Oscar Roberto		1874	COL	0.00	1	-0.23	40	-9.20
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)

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