Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Zyl, J (Jd)

Chess SA id

1070114939

FIDE id

Date of birth

2007-01-14 (U20)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1101.4	1069.6	1179.7	1200
Raw rating	1101.4	1069.6	1179.7	1200
Weighted rating	1100.6	1069.6	1176.7	1200
Weighted performance	0	0	0	0
Floor	700	700	707.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	190.8	199.7	170.7	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1248.4 2023-02-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1207.6 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1207.6 2024-03-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1248.4 2023-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1101.4	1069.6	1179.7	1200
Analysis
Rating	1101.4	1069.6	1179.7	1200
Raw rating	1101.4	1069.6	1179.7	1200
Weighted rating	1100.6	1069.6	1176.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	707.6	700
Max/Min rating change allowed	190.8	199.7	170.7	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1101.4	1069.6	1179.7	1200
New weighted rating	1100.6	1069.6	1176.7	1200
New weighted performance	0	0	0	0
Temp new rating	1101.4	1069.6	1179.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1101.4	1069.6	1179.7	1200
New K-factor	36	36	36	36
New floor	700	700	707.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	3	0	3
	5	0	5
	0	0	0
	0	0	0
History	17	9	8

Games since
	Main 3	Standard 0		Rapid 3		Blitz 0
Gender	Male
Age group	U20
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	17	6	35.29	-125	1123.5	998.5
Standard	9	2	22.22	-236.1	1104.1	868
Rapid	8	4	50	0	1145.3	1145.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1101.4	1069.6	1179.7	1200
2025-09-01	1101.4	1069.6	1179.7	1200
2025-08-01	1101.4	1069.6	1179.7	1200
2025-07-01	1101.4	1069.6	1179.7	1200
2025-06-01	1101.4	1069.6	1179.7	1200
2025-05-01	1101.4	1069.6	1179.7	1200
2025-04-01	1101.4	1069.6	1179.7	1200
2025-03-01	1101.4	1069.6	1179.7	1200
2025-02-01	1101.3	1069.6	1179.5	1200
2025-01-01	1098.1	1069.6	1167.3	1200
2024-12-01	1098.1	1069.6	1167.3	1200
2024-11-01	1098.1	1069.6	1167.3	1200
2024-10-01	1098.1	1069.6	1167.3	1200
2024-09-01	1098.1	1069.6	1167.3	1200
2024-08-01	1098.1	1069.6	1167.3	1200
2024-07-01	1098.1	1069.6	1167.3	1200
2024-06-01	1098.1	1069.6	1167.3	1200
2024-08-01	1098.1	1069.6	1167.3	1200
2024-04-01	1098.1	1069.6	1167.3	1200
2024-03-01	1108.7	1069.6	1207.6	1200
2024-02-01	1108.7	1069.6	1207.6	1200
2024-01-01	1108.7	1069.6	1207.6	1200
2023-12-01	1108.7	1069.6	1207.6	1200
2023-11-01	1108.7	1069.6	1207.6	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bloemfontein Highschool League 2024 (U17A)	2024-03-08	2024-03-08	Rapid	Mangaung (FMB)	5	3	1	Yes	Analysis
2	Bloemfontein Highschool League 24 Feb 2023 (U17)	2023-02-24	2023-02-24	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
3	Mangaung Metro Chess February 2020 (D)	2020-02-21	2020-02-22	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis
4	Mangaung Metro Chess 31 May to 1 June 2019 (D)	2019-05-31	2019-06-01	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 2024
		date 2023-02-24	rnd 5	type Rapid	result 1	date 2024-03-08	rnd 1	type Rapid	result 1
		Opponent Mphephuka, B (Botshelo)				Opponent Tjalkosi, V (Vuyo)
2	1	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-02-24	rnd 3	type Rapid	result 1
		Opponent Nieman, A (Angelo)				Opponent Nieman, A (Angelo)
3	1	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-24	rnd 1	type Rapid	result 1	date 2023-02-24	rnd 1	type Rapid	result 1
		Opponent Plowman, A (Angelo)				Opponent Plowman, A (Angelo)

#	Games	Start				End
1	1	Tournament Mangaung Metro Chess February 2020				Tournament Mangaung Metro Chess February 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Liversage, S (Samuel)				Opponent Liversage, S (Samuel)
2	1	Tournament Mangaung Metro Chess 31 May to 1 June 2019				Tournament Mangaung Metro Chess 31 May to 1 June 2019
		date 2019-06-01	rnd 3	type Standard	result 1	date 2019-06-01	rnd 3	type Standard	result 1
		Opponent Cordon, J (Jesse)				Opponent Cordon, J (Jesse)

#	Games	Start				End
1	2	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 2024
		date 2023-02-24	rnd 5	type Rapid	result 1	date 2024-03-08	rnd 1	type Rapid	result 1
		Opponent Mphephuka, B (Botshelo)				Opponent Tjalkosi, V (Vuyo)
2	1	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-02-24	rnd 3	type Rapid	result 1
		Opponent Nieman, A (Angelo)				Opponent Nieman, A (Angelo)
3	1	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-24	rnd 1	type Rapid	result 1	date 2023-02-24	rnd 1	type Rapid	result 1
		Opponent Plowman, A (Angelo)				Opponent Plowman, A (Angelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 2024
		date 2023-02-24	rnd 5	type Rapid	result 1	date 2024-03-08	rnd 1	type Rapid	result 1
		Opponent Mphephuka, B (Botshelo)				Opponent Tjalkosi, V (Vuyo)
2	1	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-02-24	rnd 3	type Rapid	result 1
		Opponent Nieman, A (Angelo)				Opponent Nieman, A (Angelo)
3	1	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-24	rnd 1	type Rapid	result 1	date 2023-02-24	rnd 1	type Rapid	result 1
		Opponent Plowman, A (Angelo)				Opponent Plowman, A (Angelo)

#	Games	Start				End
1	1	Tournament Mangaung Metro Chess February 2020				Tournament Mangaung Metro Chess February 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Liversage, S (Samuel)				Opponent Liversage, S (Samuel)
2	1	Tournament Mangaung Metro Chess 31 May to 1 June 2019				Tournament Mangaung Metro Chess 31 May to 1 June 2019
		date 2019-06-01	rnd 3	type Standard	result 1	date 2019-06-01	rnd 3	type Standard	result 1
		Opponent Cordon, J (Jesse)				Opponent Cordon, J (Jesse)

#	Games	Start				End
1	2	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 2024
		date 2023-02-24	rnd 5	type Rapid	result 1	date 2024-03-08	rnd 1	type Rapid	result 1
		Opponent Mphephuka, B (Botshelo)				Opponent Tjalkosi, V (Vuyo)
2	1	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-02-24	rnd 3	type Rapid	result 1
		Opponent Nieman, A (Angelo)				Opponent Nieman, A (Angelo)
3	1	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-24	rnd 1	type Rapid	result 1	date 2023-02-24	rnd 1	type Rapid	result 1
		Opponent Plowman, A (Angelo)				Opponent Plowman, A (Angelo)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Khoete ,B (Bokang)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Khoete ,B (Bokang)	1	1103.4	678.4	1	1084.3	678.4	0	0	0	0	0	0
2	Mitchell ,V (Vanadium)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mitchell ,V (Vanadium)	1	1140.9	715.9	1	1126	715.9	0	0	0	0	0	0
3	Janse Van Vuuren ,J (Janus)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Janse Van Vuuren ,J (Janus)	1	972	547	1	965.4	547	0	0	0	0	0	0
4	Geyser ,H (Heinrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Geyser ,H (Heinrich)	1	1131.3	706.3	1	1114.8	706.3	0	0	0	0	0	0
5	Cordon ,J (Jesse)	1	1	425	1	1	425	0	0	0	0	0	0
5	Cordon ,J (Jesse)	1	1131.8	1556.8	1	1117.2	1556.8	0	0	0	0	0	0
6	Chabeli ,T (Tshepo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Chabeli ,T (Tshepo)	1	1092.7	667.7	1	1082.7	667.7	0	0	0	0	0	0
7	Liversage ,S (Samuel)	1	1	425	1	1	425	0	0	0	0	0	0
7	Liversage ,S (Samuel)	1	985.7	1410.7	1	982.9	1410.7	0	0	0	0	0	0
8	Lechoano ,M (Mpho)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Lechoano ,M (Mpho)	1	1130.4	705.4	1	1119.6	705.4	0	0	0	0	0	0
9	Schrader ,J (Jalon)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Schrader ,J (Jalon)	1	1248.7	823.7	1	1260.8	823.7	0	0	0	0	0	0
10	Van Niekerk ,A (Adrian)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Van Niekerk ,A (Adrian)	1	1088.4	663.4	0	0	0	1	1077.2	663.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Zyl, J (Jd)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms