Chess South Africa Ratings Database

PLAYER PAGE

Personal

Witbooi, A (Antonio)

Chess SA id

1060137643

FIDE id

Date of birth

2006-06-19 (U20)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-10-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1317.2	1308.9	1256.7	1200
Raw rating	1317.2	1308.9	1256.7	1200
Weighted rating	1314.2	1304.9	1256.4	1200
Weighted performance	1108.3	1061.8	0	0
Floor	817.2	808.9	756.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	140.3	142	152.9	165.8
Highest rating	1322.9 2024-03-01	1308.9 2024-12-01	1280.8 2023-08-01	1200 2018-10-01
Highest raw rating	1317.2 2024-12-01	1308.9 2024-12-01	1256.7 2024-03-01	1200 2024-02-01
Highest weighted rating	1312.4 2025-08-01	1302.6 2025-08-01	1256.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1322.9 2024-03-01	1275.3 2024-03-01	1280.8 2023-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1317.2	1308.9	1256.7	1200
Analysis
Rating	1317.2	1308.9	1256.7	1200
Raw rating	1317.2	1308.9	1256.7	1200
Weighted rating	1314.2	1304.9	1256.4
Weighted performance	1108.3	1061.8	0
K-factor	36	36	36	36
Floor	817.2	808.9	756.7	700
Max/Min rating change allowed	140.3	142	152.9	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	1317.2	1308.9	1256.7	1200
New weighted rating	1314.8	1305.7	1256.5	1200
New weighted performance	1107.8	1061.3	0	0
Temp new rating	1317.2	1308.9	1256.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1317.2	1308.9	1256.7	1200
New K-factor	36	36	36	36
New floor	817.2	808.9	756.7	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	17	11	6
	16	11	5
	9	5	4
	0	0	0
History	42	27	15

Games since
	Main 23	Standard 17		Rapid 6		Blitz 0
Gender	Male
Age group	U20
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
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	42	24	57.14	60.7	1271.3	1332.1
Standard	27	15.5	57.41	63	1269.8	1332.8
Rapid	15	8.5	56.67	56.7	1274.2	1330.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1317.2	1308.9	1256.7	1200
2025-09-01	1317.2	1308.9	1256.7	1200
2025-08-01	1317.2	1308.9	1256.7	1200
2025-07-01	1317.2	1308.9	1256.7	1200
2025-06-01	1317.2	1308.9	1256.7	1200
2025-05-01	1317.2	1308.9	1256.7	1200
2025-04-01	1317.2	1308.9	1256.7	1200
2025-03-01	1317.2	1308.9	1256.7	1200
2025-02-01	1317.2	1308.9	1256.7	1200
2025-01-01	1317.2	1308.9	1256.7	1200
2024-12-01	1317.2	1308.9	1256.7	1200
2024-11-01	1310.9	1299.9	1256.7	1200
2024-10-01	1310.9	1299.9	1256.7	1200
2024-09-01	1310.9	1299.9	1256.7	1200
2024-08-01	1310.9	1299.9	1256.7	1200
2024-07-01	1310.9	1299.9	1256.7	1200
2024-06-01	1310.9	1299.9	1256.7	1200
2024-08-01	1310.9	1299.9	1256.7	1200
2024-04-01	1310.9	1299.9	1256.7	1200
2024-03-01	1290.6	1273.6	1256.7	1200
2024-02-01	1287.5	1273.6	1248.4	1200
2024-01-01	1287.5	1273.6	1248.4	1200
2023-12-01	1287.5	1273.6	1248.4	1200
2023-11-01	1287.5	1273.6	1248.4	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	Paarl Boys' High Chess Festival 2024	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Cape Winelands Schools - Prestige 2024 (U18 Boys)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
3	Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	Paarl Boys High Chess Festival 2023 (2nd Division)	2023-10-13	2023-10-14	Standard	Cape Winelands (WCW)	6	6	5	Yes	Analysis
5	CW Top Schools 2023 (U18 Mix)	2023-08-26	2023-08-26	Rapid	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
6	Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
7	Cape Winelands Schools 2022 (U18 Boys)	2022-03-05	2022-03-05	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
8	Worcester Schools Trials 2022 (U18 Boys)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament CW Top Schools 2023				Tournament Paarl Boys High Chess Festival 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-10-14	rnd 4	type Standard	result 1
		Opponent Liebenberg, M (Matthew)				Opponent Neels, JL (Jayden-Lee)
2	3	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Morilly, C (Coden)				Opponent Coetzee, C (Conlinn)
3	3	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament CW Top Schools 2023
		date 2023-02-25	rnd 4	type Standard	result 0.5	date 2023-08-26	rnd 1	type Rapid	result 0.5
		Opponent De Lange, C (Caleb)				Opponent Roux, T (Tiaan)

#	Games	Start				End
1	6	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Paarl Boys High Chess Festival 2023
		date 2023-02-25	rnd 4	type Standard	result 0.5	date 2023-10-14	rnd 4	type Standard	result 1
		Opponent De Lange, C (Caleb)				Opponent Neels, JL (Jayden-Lee)
2	4	Tournament Paarl Boys High Chess Festival 2023				Tournament Cape Winelands Schools - Prestige 2024
		date 2023-10-14	rnd 6	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Kruger, W (Waldo)				Opponent Coetzee, C (Conlinn)
3	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-05	rnd 5	type Standard	result 0.5	date 2024-10-05	rnd 6	type Standard	result 0.5
		Opponent Nel, W (Wian)				Opponent O`callaghan, R (Regardt)

#	Games	Start				End
1	3	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-08-26	rnd 5	type Rapid	result 1
		Opponent Liebenberg, M (Matthew)				Opponent Stokes, J (Jody)
2	2	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Combrink, P (Pieter)				Opponent Naude, J (Jan-Daniel)
3	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 2	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Topp, K (Kelvin)				Opponent Topp, K (Kelvin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament CW Top Schools 2023				Tournament Paarl Boys High Chess Festival 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-10-14	rnd 4	type Standard	result 1
		Opponent Liebenberg, M (Matthew)				Opponent Neels, JL (Jayden-Lee)
2	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 2	type Standard	result 1	date 2024-10-04	rnd 3	type Standard	result 1
		Opponent Moko, K (Khaya)				Opponent Petersen, J (Joshua)
3	2	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Combrink, P (Pieter)				Opponent Naude, J (Jan-Daniel)

#	Games	Start				End
1	5	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Paarl Boys High Chess Festival 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-10-14	rnd 4	type Standard	result 1
		Opponent Myburg, A (Andy)				Opponent Neels, JL (Jayden-Lee)
2	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 2	type Standard	result 1	date 2024-10-04	rnd 3	type Standard	result 1
		Opponent Moko, K (Khaya)				Opponent Petersen, J (Joshua)
3	2	Tournament Paarl Boys High Chess Festival 2023				Tournament Cape Winelands Schools - Prestige 2024
		date 2023-10-14	rnd 6	type Standard	result 1	date 2024-03-02	rnd 1	type Standard	result 1
		Opponent Kruger, W (Waldo)				Opponent Morilly, C (Coden)

#	Games	Start				End
1	3	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-08-26	rnd 5	type Rapid	result 1
		Opponent Liebenberg, M (Matthew)				Opponent Stokes, J (Jody)
2	2	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Combrink, P (Pieter)				Opponent Naude, J (Jan-Daniel)
3	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 2	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Topp, K (Kelvin)				Opponent Topp, K (Kelvin)

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	Ferreira ,M (Mila)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Ferreira ,M (Mila)	1	1554.1	1129.1	1	1542.1	1129.1	0	0	0	0	0	0
2	Coetzee ,C (Conlinn)	1	1	425	1	1	425	0	0	0	0	0	0
2	Coetzee ,C (Conlinn)	1	1332.2	1757.2	1	1310.5	1757.2	0	0	0	0	0	0
3	Kroutz ,M (Monray)	1	1	425	1	1	425	0	0	0	0	0	0
3	Kroutz ,M (Monray)	1	1213.8	1638.8	1	1200	1638.8	0	0	0	0	0	0
4	February ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	February ,E (Ethan)	1	1469.1	1044.1	1	1492.6	1044.1	0	0	0	0	0	0
5	Moko ,K (Khaya)	1	1	425	1	1	425	0	0	0	0	0	0
5	Moko ,K (Khaya)	1	1257.8	1682.8	1	1270.1	1682.8	0	0	0	0	0	0
6	Myburg ,A (Andy)	1	1	425	1	1	425	0	0	0	0	0	0
6	Myburg ,A (Andy)	1	1222.9	1647.9	1	1233.1	1647.9	0	0	0	0	0	0
7	Lambrechts ,D (Davian)	1	1	425	1	1	425	0	0	0	0	0	0
7	Lambrechts ,D (Davian)	1	1182.2	1607.2	1	1200	1607.2	0	0	0	0	0	0
8	Morilly ,C (Coden)	1	1	425	1	1	425	0	0	0	0	0	0
8	Morilly ,C (Coden)	1	1222.7	1647.7	1	1200	1647.7	0	0	0	0	0	0
9	Abrahams ,D (Daywin)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Abrahams ,D (Daywin)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Pieters ,G (Gethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Pieters ,G (Gethan)	1	1208.9	783.9	1	1181.2	783.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Witbooi, A (Antonio)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms