Brzostek, Piotr March 2023 FIDE Individual Chess Calculations

Individual Calculations March 2023

Brzostek, Piotr Total change: -5.60

268th YMCA Winter 2023-D Round 4			Warszawa		POL	2023-01-31
Rc	Ro			w	n	change	K	*Kchg**	Game
1183	1143			0.50	1	0.06	40	2.40

Redlicki, Michal		1183	POL	0.50	1	0.06	40	2.40
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)

268th YMCA Winter 2023-D Round 5-7			Warszawa		POL	2023-02-07
Rc	Ro			w	n	change	K	*Kchg**	Game
1181	1186			1.00	2	-0.02	40	-0.80

Kozera, Konrad		1253	POL	1.00	1	0.59	40	23.60
Markiewicz, Janusz		1108	POL	0.00	1	-0.61	40	-24.40
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)

Turniej FIDE w Ursusie o Puchar Burmistrza Bogdana Olesinskiego B1 2023			Warszawa		POL	2023-02-25
Rc	Ro			w	n	change	K	*Kchg**	Game
1052	1186			0.50	1	-0.18	40	-7.20

Markowski, Szymon		1052	POL	0.50	1	-0.18	40	-7.20
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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