Chess South Africa Ratings Database

PLAYER PAGE

Personal

Carstens, J (Jason)

Chess SA id

1160300801

FIDE id

Date of birth

2016-02-05 (U10)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1341.2

Item	Main	Standard	Rapid	Blitz
Rating	1481.4	1445.9	1239.8	1200
Raw rating	1422.7	1445.9	1239.8	1200
Weighted rating	1250.9	1241.5	1225.6	1200
Weighted performance	1497.4	0	0	0
Floor	922.7	945.9	765.2	700
K-factor	32	32	36	36
Min/Max rating change allowed	120.7	116.8	156.7	165.8
Highest rating	1481.4 2025-09-30	1445.9 2025-09-30	1265.2 2025-04-01	1200 2024-04-01
Highest raw rating	1422.7 2025-09-30	1445.9 2025-09-30	1265.2 2025-04-01	1200 2024-04-01
Highest weighted rating	1250.9 2025-09-30	1241.5 2025-09-30	1221.3 2025-08-01	1200 2024-04-01
Highest weighted performance	1497.4 2025-09-30	1200 2024-04-01	1203.2 2024-03-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	15.5	0	0	0
New rating	1496.9	1445.9	1239.8	1200
Analysis
Rating	1481.4	1445.9	1239.8	1200
Raw rating	1422.7	1445.9	1239.8	1200
Weighted rating	1250.9	1241.5	1225.6
Weighted performance	1497.4	0	0
K-factor	32	32	36	36
Floor	922.7	945.9	765.2	700
Max/Min rating change allowed	120.7	116.8	156.7	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	1422.7	1445.9	1239.8	1200
New weighted rating	1266.3	1259.3	1227.5	1200
New weighted performance	1496.9	0	0	0
Temp new rating	1496.9	1445.9	1239.8	1200
Temp new rating +/-	15.5	0	0	0
Final new rating +/-	15.5	0	0	0
New rating	1496.9	1445.9	1239.8	1200
New K-factor	32	32	36	36
New floor	922.7	945.9	765.2	700

Item	Main	Standard	Rapid
	0	0	0
	34	22	12
	6	0	6
	0	0	0
	0	0	0
	0	0	0
History	40	22	18

Games since
	Main 40	Standard 22		Rapid 18		Blitz 0
Gender	Male
Age group	U10
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1403		424		214
Male	1198		352		180
U10	71		17		9
U10 Male	63		14		7
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	34	23.5	69.12	162.5	1287.1	1449.6
Standard	22	16.5	75	212.5	1305.4	1517.9
Rapid	12	7	58.33	70.8	1253.7	1324.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	26.5	66.25	138.1	1275.6	1413.7
Standard	22	16.5	75	212.5	1305.4	1517.9
Rapid	18	10	55.56	47.2	1239.2	1286.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1422.7	1445.9	1239.8	1200
2025-09-01	1325.9	1321	1239.8	1200
2025-08-01	1261.3	1237.6	1239.8	1200
2025-07-01	1269.6	1237.6	1265.2	1200
2025-06-01	1269.6	1237.6	1265.2	1200
2025-05-01	1269.6	1237.6	1265.2	1200
2025-04-01	1269.6	1237.6	1265.2	1200
2025-03-01	1201.7	1200	1199.2	1200
2025-02-01	1201.7	1200	1199.2	1200
2025-01-01	1201.7	1200	1198.8	1200
2024-12-01	1201.7	1200	1198.8	1200
2024-11-01	1201.7	1200	1198.8	1200
2024-10-01	1201.7	1200	1198.8	1200
2024-09-01	1201.7	1200	1198.8	1200
2024-08-01	1201.7	1200	1198.8	1200
2024-07-01	1201.7	1200	1198.8	1200
2024-06-01	1201.7	1200	1198.8	1200
2024-08-01	1201.7	1200	1198.8	1200
2024-04-01	1201.7	1200	1198.8	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
2023-11-01	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	Western Cape Schools - Top Schools 2025 (U9)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	6	Yes	Analysis
2	Cape Town Metro North Top Schools 2025 (U9)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
3	Bellville Rapid 2025 (B)	2025-06-07	2025-06-07	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
4	Cape Town Open Chess Festival 2025 (U10)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
5	Steinitz Festival 2025 (U10)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	6	4	Yes	Analysis
6	Western Cape Closed 2025 (U10)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U9)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	6	Yes	Analysis
2	Cape Town Metro North Top Schools 2025 (U9)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
3	Bellville Rapid 2025 (B)	2025-06-07	2025-06-07	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
4	Cape Town Open Chess Festival 2025 (U10)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
5	Steinitz Festival 2025 (U10)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	6	4	Yes	Analysis
6	Western Cape Closed 2025 (U10)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
7	Cape Town Open Rapid Chess Championship 2024 (U10)	2024-03-16	2024-03-16	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	13	Tournament Bellville Rapid 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-06-07	rnd 5	type Rapid	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent De Wet, M (Marco)				Opponent Rice, J (Jake)
2	4	Tournament Cape Town Open Chess Festival 2025				Tournament Bellville Rapid 2025
		date 2025-03-23	rnd 4	type Standard	result 1	date 2025-06-07	rnd 1	type Rapid	result 1
		Opponent Wang, Z (Zian)				Opponent Osborne, H (Hannah)
3	3	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Prins, K (Kai)				Opponent Zwartz, Z (Zeke)

#	Games	Start				End
1	14	Tournament Cape Town Open Chess Festival 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-03-23	rnd 4	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Wang, Z (Zian)				Opponent Rice, J (Jake)
2	1	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-22	rnd 2	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Smith, W (Whitney)				Opponent Smith, W (Whitney)
3	1	Tournament Western Cape Closed 2025				Tournament Western Cape Closed 2025
		date 2025-03-09	rnd 5	type Standard	result 1	date 2025-03-09	rnd 5	type Standard	result 1
		Opponent Whyatt, C (Charles)				Opponent Whyatt, C (Charles)

#	Games	Start				End
1	3	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Prins, K (Kai)				Opponent Zwartz, Z (Zeke)
2	2	Tournament Bellville Rapid 2025				Tournament Bellville Rapid 2025
		date 2025-06-07	rnd 5	type Rapid	result 1	date 2025-06-07	rnd 6	type Rapid	result 1
		Opponent De Wet, M (Marco)				Opponent Bester, M (Migael)
3	2	Tournament Steinitz Festival 2025				Tournament Bellville Rapid 2025
		date 2025-03-15	rnd 7	type Rapid	result 1	date 2025-06-07	rnd 1	type Rapid	result 1
		Opponent Lingenfelder, S (Stephanus)				Opponent Osborne, H (Hannah)

No games found.

#	Games	Start				End

#	Games	Start				End
1	13	Tournament Bellville Rapid 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-06-07	rnd 5	type Rapid	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent De Wet, M (Marco)				Opponent Rice, J (Jake)
2	3	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Prins, K (Kai)				Opponent Zwartz, Z (Zeke)
3	2	Tournament Cape Town Open Chess Festival 2025				Tournament Bellville Rapid 2025
		date 2025-03-23	rnd 6	type Standard	result 1	date 2025-06-07	rnd 1	type Rapid	result 1
		Opponent Levin, J (Jamie)				Opponent Osborne, H (Hannah)

#	Games	Start				End
1	12	Tournament Cape Town Open Chess Festival 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-03-23	rnd 6	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Levin, J (Jamie)				Opponent Rice, J (Jake)
2	1	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-23	rnd 4	type Standard	result 1	date 2025-03-23	rnd 4	type Standard	result 1
		Opponent Wang, Z (Zian)				Opponent Wang, Z (Zian)
3	1	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-22	rnd 2	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Smith, W (Whitney)				Opponent Smith, W (Whitney)

#	Games	Start				End
1	3	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Prins, K (Kai)				Opponent Zwartz, Z (Zeke)
2	2	Tournament Bellville Rapid 2025				Tournament Bellville Rapid 2025
		date 2025-06-07	rnd 5	type Rapid	result 1	date 2025-06-07	rnd 6	type Rapid	result 1
		Opponent De Wet, M (Marco)				Opponent Bester, M (Migael)
3	2	Tournament Steinitz Festival 2025				Tournament Bellville Rapid 2025
		date 2025-03-15	rnd 7	type Rapid	result 1	date 2025-06-07	rnd 1	type Rapid	result 1
		Opponent Lingenfelder, S (Stephanus)				Opponent Osborne, H (Hannah)

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	Akemdien ,A (Alex)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Akemdien ,A (Alex)	2	1365	940	1	1341.4	940	1	1376.4	940	0	0	0
2	Rens ,D (Deauwin)	1	1	425	1	1	425	0	0	0	0	0	0
2	Rens ,D (Deauwin)	1	1446.6	1871.6	1	1459.9	1871.6	0	0	0	0	0	0
3	Levin ,J (Jamie)	1	1	425	1	1	425	0	0	0	0	0	0
3	Levin ,J (Jamie)	1	1225.9	1650.9	1	1213.9	1650.9	0	0	0	0	0	0
4	Louw ,T (Thomas)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Louw ,T (Thomas)	1	1199	774	1	1200	774	0	0	0	0	0	0
5	Wang ,Z (Zian)	1	1	425	1	1	425	0	0	0	0	0	0
5	Wang ,Z (Zian)	1	1185.9	1610.9	1	1173.9	1610.9	0	0	0	0	0	0
6	Rice ,J (Jake)	1	1	425	1	1	425	0	0	0	0	0	0
6	Rice ,J (Jake)	1	1204.9	1629.9	1	1233.1	1629.9	0	0	0	0	0	0
7	Smith ,W (Whitney)	1	1	425	1	1	425	0	0	0	0	0	0
7	Smith ,W (Whitney)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Lin ,J (Junming)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Lin ,J (Junming)	1	1433.7	1008.7	1	1397.5	1008.7	0	0	0	0	0	0
9	Mgole ,O (Olothando Aphiwa)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mgole ,O (Olothando Aphiwa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Muchini ,I (Ian)	1	1	425	1	1	425	0	0	0	0	0	0
10	Muchini ,I (Ian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Carstens, J (Jason)

Ratings

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Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms