Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Dyk, JB (Jacobus Barend)

Chess SA id

101047797

FIDE id

Date of birth

2001-03-05 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1091.3	1093.3	986.8	1056.4
Raw rating	1091.3	1093.3	986.8	1056.4
Weighted rating	1091.3	1093.3	986.8	1056.4
Weighted performance	117.3	117.6	0	0
Floor	591.3	593.3	500	556.4
K-factor	40	40	40	40
Min/Max rating change allowed	193.6	193	224.7	203.5
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-03-01	1200.1 2018-01-01
Highest raw rating	1091.3 2024-03-01	1093.3 2024-03-01	986.8 2024-03-01	1056.4 2024-03-01
Highest weighted rating	1091.3 2024-11-01	1093.3 2024-11-01	986.8 2024-11-01	1056.4 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-03-01	1200.1 2018-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1091.3	1093.3	986.8	1056.4
Analysis
Rating	1091.3	1093.3	986.8	1056.4
Raw rating	1091.3	1093.3	986.8	1056.4
Weighted rating	1091.3	1093.3	986.8
Weighted performance	117.3	117.6	0
K-factor	40	40	40	40
Floor	591.3	593.3	500	556.4
Max/Min rating change allowed	193.6	193	224.7	203.5
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	1091.3	1093.3	986.8	1056.4
New weighted rating	1091.3	1093.3	986.8	1056.4
New weighted performance	116.9	117.2	0	0
Temp new rating	1091.3	1093.3	986.8	1056.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1091.3	1093.3	986.8	1056.4
New K-factor	40	40	40	40
New floor	591.3	593.3	500	556.4

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	241	231	3	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	41	19.5	47.56	-20.7	1128	1107.3
Standard	34	15.5	45.59	-37.5	1126.2	1088.7
Rapid	0	0	0	0	0	0
Blitz	7	4	57.14	60.7	1136.9	1197.6

Date	Main	Standard	Rapid	Blitz
2025-09-30	1091.3	1093.3	986.8	1056.4
2025-09-01	1091.3	1093.3	986.8	1056.4
2025-08-01	1091.3	1093.3	986.8	1056.4
2025-07-01	1091.3	1093.3	986.8	1056.4
2025-06-01	1091.3	1093.3	986.8	1056.4
2025-05-01	1091.3	1093.3	986.8	1056.4
2025-04-01	1091.3	1093.3	986.8	1056.4
2025-03-01	1091.3	1093.3	986.8	1056.4
2025-02-01	1091.3	1093.3	986.8	1056.4
2025-01-01	1091.3	1093.3	986.8	1056.4
2024-12-01	1091.3	1093.3	986.8	1056.4
2024-11-01	1091.3	1093.3	986.8	1056.4
2024-10-01	1091.3	1093.3	986.8	1056.4
2024-09-01	1091.3	1093.3	986.8	1056.4
2024-08-01	1091.3	1093.3	986.8	1056.4
2024-07-01	1091.3	1093.3	986.8	1056.4
2024-06-01	1091.3	1093.3	986.8	1056.4
2024-08-01	1091.3	1093.3	986.8	1056.4
2024-04-01	1091.3	1093.3	986.8	1056.4
2024-03-01	1091.3	1093.3	986.8	1056.4
2024-02-01	1091.3	1093.3	986.8	1056.4
2024-01-01	1091.3	1093.3	986.8	1056.4
2023-12-01	1091.3	1093.3	986.8	1056.4
2023-11-01	1091.3	1093.3	986.8	1056.4

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	South African Junior Team Championships 2018 (U18B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
2	2018 D4 Tshwane South Schools League Finals (U19)	2018-08-04	2018-08-04	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
3	2018 Capablanca Swiss (B)	2018-04-27	2018-04-29	Standard	Tshwane (GTP)	7	7	1.5	Yes	Analysis
4	2018 D4 Tshwane North Individual Chess Championships (U19 Boys)	2018-03-10	2018-03-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	South African Junior Blitz 2017 Championships (B)	2018-01-07	2018-01-07	Blitz	4 Knights (4K)	7	7	4	Yes	Analysis
6	South African Junior Wildcard Championships 2017 (U18 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
7	South African Junior Team Championships 2017 (U18C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	4	3.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament South African Junior Team Championships 2017				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-05	rnd 3	type Standard	result 1	date 2018-01-07	rnd 4	type Blitz	result 1
		Opponent Swanepoel, C (Christiaan)				Opponent Villoen, S (Sharise)
2	3	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament South African Junior Team Championships 2018
		date 2018-08-04	rnd 5	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Coetzee, H (Hein)				Opponent Raubenheimer, L (Luan)
3	3	Tournament 2018 Capablanca Swiss				Tournament 2018 Capablanca Swiss
		date 2018-04-27	rnd 1	type Standard	result 0.5	date 2018-04-27	rnd 3	type Standard	result 0.5
		Opponent Naidoo, H (Hiren)				Opponent Nayagar, V (Veshaan)

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-05	rnd 3	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 0.5
		Opponent Swanepoel, C (Christiaan)				Opponent Beyers, BE (Brad)
2	3	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament South African Junior Team Championships 2018
		date 2018-08-04	rnd 5	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Coetzee, H (Hein)				Opponent Raubenheimer, L (Luan)
3	3	Tournament 2018 Capablanca Swiss				Tournament 2018 Capablanca Swiss
		date 2018-04-27	rnd 1	type Standard	result 0.5	date 2018-04-27	rnd 3	type Standard	result 0.5
		Opponent Naidoo, H (Hiren)				Opponent Nayagar, V (Veshaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 1	type Blitz	result 1	date 2018-01-07	rnd 4	type Blitz	result 1
		Opponent Meyson, Y (Yusraa)				Opponent Villoen, S (Sharise)

#	Games	Start				End
1	7	Tournament South African Junior Team Championships 2017				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-05	rnd 3	type Standard	result 1	date 2018-01-07	rnd 4	type Blitz	result 1
		Opponent Swanepoel, C (Christiaan)				Opponent Villoen, S (Sharise)
2	3	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament South African Junior Team Championships 2018
		date 2018-08-04	rnd 5	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Coetzee, H (Hein)				Opponent Raubenheimer, L (Luan)
3	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-19	rnd 6	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Van Stryp, O (Ockert)				Opponent Ferreira, JC (John-Claud)

#	Games	Start				End
1	3	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament South African Junior Team Championships 2018
		date 2018-08-04	rnd 5	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Coetzee, H (Hein)				Opponent Raubenheimer, L (Luan)
2	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-05	rnd 3	type Standard	result 1	date 2018-01-07	rnd 6	type Standard	result 1
		Opponent Swanepoel, C (Christiaan)				Opponent Foster, M (Midowoun)
3	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-19	rnd 6	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Van Stryp, O (Ockert)				Opponent Ferreira, JC (John-Claud)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 1	type Blitz	result 1	date 2018-01-07	rnd 4	type Blitz	result 1
		Opponent Meyson, Y (Yusraa)				Opponent Villoen, S (Sharise)

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	Alex ,S (Shaun)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Alex ,S (Shaun)	1	1066.9	641.9	1	1073.3	641.9	0	0	0	0	0	0
2	Shaw ,LA (Laurie Ann)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Shaw ,LA (Laurie Ann)	1	1243.5	818.5	1	1238.3	818.5	0	0	0	0	0	0
3	Prinsloo ,MP (Marthinus Phillipus)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Prinsloo ,MP (Marthinus Phillipus)	1	1578.9	1153.9	1	1576.7	1153.9	0	0	0	0	0	0
4	Manale ,R (Remy)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Manale ,R (Remy)	1	1340.2	915.2	1	1340.2	915.2	0	0	0	0	0	0
5	Beyers ,BE (Brad)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Beyers ,BE (Brad)	1	679.2	679.2	1	679.2	679.2	0	0	0	0	0	0
6	Jane ,D (Ditshaba)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Jane ,D (Ditshaba)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Netshitomboni ,M (Mufunwa)	1	1	425	1	1	425	0	0	0	0	0	0
7	Netshitomboni ,M (Mufunwa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Geldenhuys ,AJ (Andre J)	1	1	425	1	1	425	0	0	0	0	0	0
8	Geldenhuys ,AJ (Andre J)	1	1151.6	1576.6	1	1160.1	1576.6	0	0	0	0	0	0
9	Coetzee ,H (Hein)	1	1	425	1	1	425	0	0	0	0	0	0
9	Coetzee ,H (Hein)	1	1277	1702	1	1277	1702	0	0	0	0	0	0
10	Mistry ,I (Ishaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mistry ,I (Ishaan)	1	1024.2	599.2	1	1024.2	599.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Dyk, JB (Jacobus Barend)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms