Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Jaarsveldt, J (Jayden)

Chess SA id

1140319307

FIDE id

Date of birth

2014-03-20 (U12)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1324.5

Item	Main	Standard	Rapid	Blitz
Rating	1299.7	1302.9	1236.3	1200
Raw rating	1299.7	1302.9	1236.3	1200
Weighted rating	1240.9	1244.7	1208.3	1200
Weighted performance	0	0	0	0
Floor	799.7	802.9	736.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	143.9	143.2	157.5	165.8
Highest rating	1299.7 2025-09-01	1302.9 2025-07-01	1236.3 2025-09-01	1200 2025-05-05
Highest raw rating	1299.7 2025-09-01	1302.9 2025-07-01	1236.3 2025-09-01	1200 2025-05-05
Highest weighted rating	1227.8 2025-09-01	1224.2 2025-08-01	1202.9 2025-09-01	1200 2025-05-05
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1299.7	1302.9	1236.3	1200
Analysis
Rating	1299.7	1302.9	1236.3	1200
Raw rating	1299.7	1302.9	1236.3	1200
Weighted rating	1240.9	1244.7	1208.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	799.7	802.9	736.3	700
Max/Min rating change allowed	143.9	143.2	157.5	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	1299.7	1302.9	1236.3	1200
New weighted rating	1247	1250.8	1210.9	1200
New weighted performance	0	0	0	0
Temp new rating	1299.7	1302.9	1236.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1299.7	1302.9	1236.3	1200
New K-factor	36	36	36	36
New floor	799.7	802.9	736.3	700

Item	Main	Standard	Rapid
	0	0	0
	16	10	6
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	16	10	6

Games since
	Main 16	Standard 10		Rapid 6		Blitz 0
Gender	Male
Age group	U12
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	16	11	68.75	159.4	1265.4	1424.8
Standard	10	7	70	170	1290.8	1460.8
Rapid	6	4	66.67	141.7	1223.1	1364.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	11	68.75	159.4	1265.4	1424.8
Standard	10	7	70	170	1290.8	1460.8
Rapid	6	4	66.67	141.7	1223.1	1364.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1299.7	1302.9	1236.3	1200
2025-09-30	1299.7	1302.9	1236.3	1200
2025-09-01	1299.7	1302.9	1236.3	1200
2025-08-01	1287.8	1302.9	1200	1200
2025-07-01	1287.8	1302.9	1200	1200
2025-06-01	1248.7	1256.3	1200	1200
2025-05-01	1248.7	1256.3	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Benoni Primary School Cluster Teams 2025 (U11A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	6	4	Yes	Analysis
2	Ekurhuleni North School District Finals 2025 (U11 Boys)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	Benoni Primary School Cluster 12 April 2025 (U11 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Benoni Primary School Cluster Teams 2025 (U11A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	6	4	Yes	Analysis
2	Ekurhuleni North School District Finals 2025 (U11 Boys)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	Benoni Primary School Cluster 12 April 2025 (U11 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Volschenk, Z (Zuan)				Opponent Stroebel, L (Ludrik)
2	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Karsas, S (Sophia)				Opponent Stevens, L (Luke)
3	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Kuhn, Z (Zane)				Opponent Sardinha, S (Seveano)

#	Games	Start				End
1	5	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Volschenk, Z (Zuan)				Opponent Stroebel, L (Ludrik)
2	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Kuhn, Z (Zane)				Opponent Sardinha, S (Seveano)

#	Games	Start				End
1	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Karsas, S (Sophia)				Opponent Stevens, L (Luke)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Volschenk, Z (Zuan)				Opponent Stroebel, L (Ludrik)
2	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Karsas, S (Sophia)				Opponent Stevens, L (Luke)
3	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Kuhn, Z (Zane)				Opponent Sardinha, S (Seveano)

#	Games	Start				End
1	5	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Volschenk, Z (Zuan)				Opponent Stroebel, L (Ludrik)
2	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Kuhn, Z (Zane)				Opponent Sardinha, S (Seveano)

#	Games	Start				End
1	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Karsas, S (Sophia)				Opponent Stevens, L (Luke)

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	Schmidt ,C (Christian)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Schmidt ,C (Christian)	1	1195.5	770.5	1	1196.9	770.5	0	0	0	0	0	0
2	Pillay ,J (Joshua)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Pillay ,J (Joshua)	1	1343.6	918.6	1	1345	918.6	0	0	0	0	0	0
3	Stroebel ,L (Ludrik)	1	1	425	1	1	425	0	0	0	0	0	0
3	Stroebel ,L (Ludrik)	1	1418.5	1843.5	1	1417.3	1843.5	0	0	0	0	0	0
4	Rampou ,K (Kgakamatso)	1	1	425	1	1	425	0	0	0	0	0	0
4	Rampou ,K (Kgakamatso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Sithole ,A (Adiel Ean)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Sithole ,A (Adiel Ean)	1	1526.3	1101.3	1	1558.3	1101.3	0	0	0	0	0	0
6	Van Wyk ,N (Nathan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van Wyk ,N (Nathan)	1	1223.8	1648.8	1	1216.2	1648.8	0	0	0	0	0	0
7	Els ,L (Luan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Els ,L (Luan)	1	1413.8	1838.8	1	1407.3	1838.8	0	0	0	0	0	0
8	Volschenk ,Z (Zuan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Volschenk ,Z (Zuan)	1	1201.3	1626.3	1	1176.6	1626.3	0	0	0	0	0	0
9	Kuhn ,Z (Zane)	1	1	425	1	1	425	0	0	0	0	0	0
9	Kuhn ,Z (Zane)	1	1183.8	1608.8	1	1168.9	1608.8	0	0	0	0	0	0
10	Sardinha ,S (Seveano)	1	1	425	1	1	425	0	0	0	0	0	0
10	Sardinha ,S (Seveano)	1	1202.1	1627.1	1	1198	1627.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Van Jaarsveldt, J (Jayden)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms