Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Wyk, A (Alonzo)

Chess SA id

1160150371

FIDE id

Date of birth

2016-06-20 (U10)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1124.7	1110	1178.3	1200
Raw rating	1124.7	1110	1178.3	1200
Weighted rating	1121.4	1103.6	1177.7	1200
Weighted performance	944.3	887	964.9	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	184.6	188.5	171	165.8
Highest rating	1233.7 2023-07-01	1200 2018-10-01	1271.3 2023-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1233.7 2023-07-01	1200 2019-12-01	1271.3 2023-10-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1124.7	1110	1178.3	1200
Analysis
Rating	1124.7	1110	1178.3	1200
Raw rating	1124.7	1110	1178.3	1200
Weighted rating	1121.4	1103.6	1177.7
Weighted performance	944.3	887	964.9
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	184.6	188.5	171	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	1124.7	1110	1178.3	1200
New weighted rating	1121.3	1103.8	1177.4	1200
New weighted performance	944	886.6	964.5	0
Temp new rating	1124.7	1110	1178.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1124.7	1110	1178.3	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	12	6	6
	21	11	10
	52	14	38
	0	0	0
	0	0	0
History	85	31	54

Games since
	Main 39	Standard 17		Rapid 22		Blitz 0
Gender	Male
Age group	U10
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
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	1739		881		321
Male	1322		648		263
U10	171		94		32
U10 Male	125		70		26
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	12	4.5	37.5	-106.2	1193.2	1086.9
Standard	6	2.5	41.67	-70.8	1190.2	1119.4
Rapid	6	2	33.33	-141.7	1196.2	1054.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	85	34.5	40.59	-80	1199.2	1119.2
Standard	31	10.5	33.87	-137.1	1223.7	1086.6
Rapid	54	24	44.44	-47.2	1185	1137.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1124.7	1110	1178.3	1200
2025-09-01	1124.7	1110	1178.3	1200
2025-08-01	1124.7	1110	1178.3	1200
2025-07-01	1124.7	1110	1178.3	1200
2025-06-01	1124.7	1110	1178.3	1200
2025-05-01	1124.7	1110	1178.1	1200
2025-04-01	1124.7	1110	1177.8	1200
2025-03-01	1124.7	1110	1177.2	1200
2025-02-01	1124	1107.2	1174	1200
2025-01-01	1110.7	1087.6	1166	1200
2024-12-01	1110.7	1087.6	1166	1200
2024-11-01	1110.7	1087.6	1166	1200
2024-10-01	1110.7	1087.6	1166	1200
2024-09-01	1110.7	1087.6	1166	1200
2024-08-01	1110.7	1087.6	1166	1200
2024-07-01	1110	1087.6	1196.8	1200
2024-06-01	1110	1087.6	1196.8	1200
2024-08-01	1110	1087.6	1196.8	1200
2024-04-01	1110	1087.6	1196.8	1200
2024-03-01	1152.8	1136.8	1196.8	1200
2024-02-01	1163.1	1145.6	1196.8	1200
2024-01-01	1163.1	1145.6	1196.8	1200
2023-12-01	1163.1	1145.6	1196.8	1200
2023-11-01	1163.1	1145.6	1196.8	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	CT Metro North Schools Chess Individual Trials 2025 (U9 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
2	2025 Kraaifontein Open Chess Championships (Rapid U10)	2025-01-04	2025-01-04	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	CT Metro North Schools Chess Individual Trials 2025 (U9 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
2	2025 Kraaifontein Open Chess Championships (Rapid U10)	2025-01-04	2025-01-04	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
3	CT District North Top Schools 2024 (U9 Mixed)	2024-07-27	2024-07-27	Rapid	Cape Town (WCT)	5	4	2	Yes	Analysis
4	Curro Durbanville Chess Rapid Open 2024 (Beginner)	2024-07-13	2024-07-13	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
5	Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
6	North District School Trials 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
7	Bonnievale Open Rapid 2023 (U8)	2023-10-21	2023-10-21	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
8	Western Cape Closed Championship 2023 (U8)	2023-09-23	2023-09-23	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
9	Western Cape Top Schools 2023 (U9 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	4	1	Yes	Analysis
10	Curro Durbanville Chess Open Rapid 2023 (U10)	2023-07-15	2023-07-15	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
11	CT Metro District North Top Schools Chess 2023 (U9 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	3	2	2	Yes	Analysis
12	Cape Winelands Open 2023 (U10)	2023-07-23	2023-07-23	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
13	WP Closed 2023 (U8)	2023-06-16	2023-06-16	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
14	Western Cape PS Individuals 2023 (U7 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
15	Cape Town Metro Schools Chess Closed Individuals 2023 (U7 Mixed)	2023-03-04	2023-03-04	Rapid	Cape Town (WCT)	5	4	1.5	Yes	Analysis
16	North District School Trials 2023 (U7 Boys)	2023-02-04	2023-02-04	Rapid	Cape Town (WCT)	6	4	2	Yes	Analysis
17	Laerskool Welgemoed Rapid 2023 (U8)	2023-02-11	2023-02-11	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament CT District North Top Schools 2024
		date 2024-07-13	rnd 4	type Rapid	result 0.5	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Pieterse, Z (Zanru)				Opponent Hazell, L (Liam)
2	4	Tournament Western Cape Top Schools 2023				Tournament Western Cape Closed Championship 2023
		date 2023-09-03	rnd 6	type Standard	result 1	date 2023-09-23	rnd 3	type Rapid	result 1
		Opponent Du Toit, M (Malan)				Opponent Chumpitaz Avila, J (Josef)
3	4	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-03-04	rnd 4	type Rapid	result 1	date 2023-05-05	rnd 3	type Standard	result 0.5
		Opponent Nkhape, O (Olothando)				Opponent Wyngaard, L (Luke)

#	Games	Start				End
1	2	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2025-02-08	rnd 2	type Standard	result 0.5	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Wepener, Y (Yannis)				Opponent Brummer, W (Willem)
2	2	Tournament Western Cape Top Schools 2023				Tournament North District School Trials 2024
		date 2023-09-03	rnd 6	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Du Toit, M (Malan)				Opponent Smuts, H (Hugo)
3	2	Tournament Cape Winelands Open 2023				Tournament Cape Winelands Open 2023
		date 2023-07-23	rnd 3	type Standard	result 1	date 2023-07-23	rnd 4	type Standard	result 1
		Opponent Visser, A (Amiera)				Opponent Matolengwe, L (Lemvana)

#	Games	Start				End
1	6	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Western Cape Closed Championship 2023
		date 2023-07-15	rnd 6	type Rapid	result 1	date 2023-09-23	rnd 3	type Rapid	result 1
		Opponent Magi, A (Aqhame Alizwa)				Opponent Chumpitaz Avila, J (Josef)
2	4	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament CT District North Top Schools 2024
		date 2024-07-13	rnd 4	type Rapid	result 0.5	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Pieterse, Z (Zanru)				Opponent Hazell, L (Liam)
3	2	Tournament Bonnievale Open Rapid 2023				Tournament Bonnievale Open Rapid 2023
		date 2023-10-21	rnd 3	type Rapid	result 1	date 2023-10-21	rnd 4	type Rapid	result 1
		Opponent Van Zyl, M (Maria Elizabeth)				Opponent Davids, S (Stephanie)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament CT District North Top Schools 2024
		date 2024-07-13	rnd 6	type Rapid	result 1	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Martin, M (Mikaeel)				Opponent Hazell, L (Liam)
2	2	Tournament Bonnievale Open Rapid 2023				Tournament North District School Trials 2024
		date 2023-10-21	rnd 6	type Rapid	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Fortuin, L (Liam)				Opponent Smuts, H (Hugo)
3	2	Tournament Bonnievale Open Rapid 2023				Tournament Bonnievale Open Rapid 2023
		date 2023-10-21	rnd 3	type Rapid	result 1	date 2023-10-21	rnd 4	type Rapid	result 1
		Opponent Van Zyl, M (Maria Elizabeth)				Opponent Davids, S (Stephanie)

#	Games	Start				End
1	2	Tournament Western Cape Top Schools 2023				Tournament North District School Trials 2024
		date 2023-09-03	rnd 6	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Du Toit, M (Malan)				Opponent Smuts, H (Hugo)
2	2	Tournament Cape Winelands Open 2023				Tournament Cape Winelands Open 2023
		date 2023-07-23	rnd 3	type Standard	result 1	date 2023-07-23	rnd 4	type Standard	result 1
		Opponent Visser, A (Amiera)				Opponent Matolengwe, L (Lemvana)
3	1	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2025-02-09	rnd 5	type Standard	result 1	date 2025-02-09	rnd 5	type Standard	result 1
		Opponent Modise, L (Lifalethu)				Opponent Modise, L (Lifalethu)

#	Games	Start				End
1	3	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-15	rnd 6	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Magi, A (Aqhame Alizwa)				Opponent Bekker, T (Thian)
2	2	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament CT District North Top Schools 2024
		date 2024-07-13	rnd 6	type Rapid	result 1	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Martin, M (Mikaeel)				Opponent Hazell, L (Liam)
3	2	Tournament Bonnievale Open Rapid 2023				Tournament Bonnievale Open Rapid 2023
		date 2023-10-21	rnd 3	type Rapid	result 1	date 2023-10-21	rnd 4	type Rapid	result 1
		Opponent Van Zyl, M (Maria Elizabeth)				Opponent Davids, S (Stephanie)

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	Zwartz ,Z (Zeke)	4	0	-425	1	0	-425	3	0	-425	0	0	0
1	Zwartz ,Z (Zeke)	4	1233.1	808.1	1	1293.1	808.1	3	1200	808.1	0	0	0
2	Esterhuizen ,C (Christiaan)	3	3	425	0	0	0	3	3	425	0	0	0
2	Esterhuizen ,C (Christiaan)	3	1200	1625	0	0	0	3	1200	1625	0	0	0
3	Klopper ,E (Elbe)	3	0	-425	0	0	0	3	0	-425	0	0	0
3	Klopper ,E (Elbe)	3	1214	789	0	0	0	3	1198.4	789	0	0	0
4	Modise ,L (Lifalethu)	2	1	0	1	1	425	1	0	-425	0	0	0
4	Modise ,L (Lifalethu)	2	1182.6	1182.6	1	1202.8	1607.6	1	1135.6	757.6	0	0	0
5	Koen ,G (Gustav)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Koen ,G (Gustav)	2	1276	851	1	1237.8	851	1	1318.5	851	0	0	0
6	Michaelides ,G (George)	2	0	-425	0	0	0	2	0	-425	0	0	0
6	Michaelides ,G (George)	2	1200.8	775.8	0	0	0	2	1198	775.8	0	0	0
7	Chumpitaz Avila ,J (Josef)	2	1	0	0	0	0	2	1	0	0	0	0
7	Chumpitaz Avila ,J (Josef)	2	1124.2	1124.2	0	0	0	2	1169.1	1124.2	0	0	0
8	Javed ,M (Mariam)	2	2	425	0	0	0	2	2	425	0	0	0
8	Javed ,M (Mariam)	2	1037.9	1462.9	0	0	0	2	992.9	1462.9	0	0	0
9	Dudhia ,H (Hamza)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
9	Dudhia ,H (Hamza)	2	1230.9	1018.4	0	0	0	2	1221	1018.4	0	0	0
10	Rogova ,E (Emilia)	2	0	-425	0	0	0	2	0	-425	0	0	0
10	Rogova ,E (Emilia)	2	1259.6	834.6	0	0	0	2	1288.8	834.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Van Wyk, A (Alonzo)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms