Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Westhuizen, T (Thomas)

Chess SA id

1130140601

FIDE id

Date of birth

2013-09-19 (U14)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-02-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1426.6	1427.1	1200	1200
Raw rating	1426.1	1426.6	1200	1200
Weighted rating	1426.6	1427.1	1200	1200
Weighted performance	1213.2	1211	0	0
Floor	964.9	956.5	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	120.1	120.1	165.8	165.8
Highest rating	1480.2 2022-09-01	1471.8 2022-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1464.9 2022-10-01	1456.5 2022-10-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1464.9 2025-02-01	1456.5 2025-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1480.2 2022-09-01	1471.8 2022-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0.1	0	0
New rating	1426.7	1427.2	1200	1200
Analysis
Rating	1426.6	1427.1	1200	1200
Raw rating	1426.1	1426.6	1200	1200
Weighted rating	1426.6	1427.1	1200
Weighted performance	1213.2	1211	0
K-factor	32	32	36	36
Floor	964.9	956.5	700	700
Max/Min rating change allowed	120.1	120.1	165.8	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	1426.1	1426.6	1200	1200
New weighted rating	1426.7	1427.2	1200	1200
New weighted performance	1212.7	1210.5	0	0
Temp new rating	1426.7	1427.2	1200	1200
Temp new rating +/-	0.1	0.1	0	0
Final new rating +/-	0.1	0.1	0	0
New rating	1426.7	1427.2	1200	1200
New K-factor	32	32	36	36
New floor	964.9	956.5	700	700

Item	Main	Standard
	0	0
	5	5
	20	20
	25	25
	34	34
	0	0
History	84	84

Games since
	Main 30	Standard 30		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	1779		137		21
Male	1478		118		18
U14	281		16		1
U14 Male	212		13		1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	5	1.5	30	-170	1456.8	1286.8
Standard	5	1.5	30	-170	1456.8	1286.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	84	57.5	68.45	156.8	1229.5	1386.3
Standard	84	57.5	68.45	156.8	1229.5	1386.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1426.1	1426.6	1200	1200
2025-09-01	1426.1	1426.6	1200	1200
2025-08-01	1426.1	1426.6	1200	1200
2025-07-01	1425.8	1426.2	1200	1200
2025-06-01	1425.4	1425.8	1200	1200
2025-05-01	1424.9	1425.2	1200	1200
2025-04-01	1424.3	1424.6	1200	1200
2025-03-01	1422.5	1422.3	1200	1200
2025-02-01	1427.5	1427.6	1200	1200
2025-01-01	1427.5	1427.6	1200	1200
2024-12-01	1427.5	1427.6	1200	1200
2024-11-01	1427.5	1427.6	1200	1200
2024-10-01	1427.5	1427.6	1200	1200
2024-09-01	1448.7	1453.5	1200	1200
2024-08-01	1448.7	1453.5	1200	1200
2024-07-01	1422.7	1422.8	1200	1200
2024-06-01	1422.7	1422.8	1200	1200
2024-08-01	1422.7	1422.8	1200	1200
2024-04-01	1422.7	1422.8	1200	1200
2024-03-01	1415	1413.2	1200	1200
2024-02-01	1419	1419.3	1200	1200
2024-01-01	1408.2	1406.8	1200	1200
2023-12-01	1408.2	1406.8	1200	1200
2023-11-01	1408.2	1406.8	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	2025 Blou Bul Open Chess Tournament (C)	2025-02-08	2025-02-08	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
2	2025 Tshwane Chess OPEN Registration Tournament (B1)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Blou Bul Open Chess Tournament (C)	2025-02-08	2025-02-08	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
2	2025 Tshwane Chess OPEN Registration Tournament (B1)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	0	0	No	Analysis
3	DR KKD Mooirivier Trials 2024 (U12)	2024-09-14	2024-09-14	Standard	Dr Kenneth Kaunda (NWP)	5	1	0	Yes	Analysis
4	DR KK Gimmies 2024 (U12)	2024-07-13	2024-07-13	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
5	DR KKD Ferdies Mar 2024 (C)	2024-03-02	2024-03-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
6	DR KKD Curro Feb 2024 (U12)	2024-02-10	2024-02-10	Standard	Dr Kenneth Kaunda (NWP)	5	5	3.5	Yes	Analysis
7	2024 Gauteng Inter-Region Chess Championship (U12B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
8	DR KKD Trials 2023 (U12)	2023-09-02	2023-09-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
9	DR KKD Meiringspark 2023 (U12)	2023-08-19	2023-08-19	Standard	Dr Kenneth Kaunda (NWP)	5	5	5	Yes	Analysis
10	DR Kenneth Kaunda Volkies 29 Jul 2023 (C)	2023-10-29	2023-10-29	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
11	Dr Kenneth Kaunda Volkies 2023 (C)	2023-06-10	2023-06-10	Standard	Dr Kenneth Kaunda (NWP)	5	5	3.5	Yes	Analysis
12	DR Kenneth Kaunda Curro 2023 (C)	2023-04-22	2023-04-22	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
13	2022 South African Junior Team Chess Championships (U12 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	6	2.5	Yes	Analysis
14	Dr. KKD SAJCC Trials September 2022 (U8+U10)	2022-09-03	2022-09-03	Standard	Dr Kenneth Kaunda (NWP)	5	5	5	Yes	Analysis
15	Dr. KKD Volkskool 2022 (U10)	2022-08-20	2022-08-20	Standard	Dr Kenneth Kaunda (NWP)	5	5	5	Yes	Analysis
16	La Hoff Primary School 2022 (C)	2022-07-23	2022-07-23	Standard	Dr Kenneth Kaunda (NWP)	5	5	2.5	Yes	Analysis
17	Bailie Park Potchefstroom 2022 (U8+U10)	2022-06-04	2022-06-04	Standard	Dr Kenneth Kaunda (NWP)	5	4	4	Yes	Analysis
18	Schoonspruit Ope 2022 (D)	2022-05-21	2022-05-21	Standard	Dr Kenneth Kaunda (NWP)	5	4	2	Yes	Analysis
19	Ferdinand Postma Potchefstroom 2022 (C)	2022-04-09	2022-04-09	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	14	Tournament La Hoff Primary School 2022				Tournament 2022 South African Junior Team Chess Championships
		date 2022-07-23	rnd 3	type Standard	result 1	date 2022-12-04	rnd 1	type Standard	result 1
		Opponent Van Zyl, A (Albertus Petrus)				Opponent Rothmann, W (Waldo)
2	10	Tournament Dr Kenneth Kaunda Volkies 2023				Tournament DR KKD Trials 2023
		date 2023-06-10	rnd 4	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Krugel, L (Lian)				Opponent Appels, C (Chathem Jordan)
3	7	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Ferdies Mar 2024
		date 2024-02-10	rnd 3	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Van Zyl, D (Dean)				Opponent Short, J (John- Daniel)

#	Games	Start				End
1	14	Tournament La Hoff Primary School 2022				Tournament 2022 South African Junior Team Chess Championships
		date 2022-07-23	rnd 3	type Standard	result 1	date 2022-12-04	rnd 1	type Standard	result 1
		Opponent Van Zyl, A (Albertus Petrus)				Opponent Rothmann, W (Waldo)
2	10	Tournament Dr Kenneth Kaunda Volkies 2023				Tournament DR KKD Trials 2023
		date 2023-06-10	rnd 4	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Krugel, L (Lian)				Opponent Appels, C (Chathem Jordan)
3	7	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Ferdies Mar 2024
		date 2024-02-10	rnd 3	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Van Zyl, D (Dean)				Opponent Short, J (John- Daniel)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	12	Tournament La Hoff Primary School 2022				Tournament 2022 South African Junior Team Chess Championships
		date 2022-07-23	rnd 5	type Standard	result 1	date 2022-12-04	rnd 1	type Standard	result 1
		Opponent Shole, B (Boitshepo)				Opponent Rothmann, W (Waldo)
2	10	Tournament Dr Kenneth Kaunda Volkies 2023				Tournament DR KKD Trials 2023
		date 2023-06-10	rnd 4	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Krugel, L (Lian)				Opponent Appels, C (Chathem Jordan)
3	5	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Ferdies Mar 2024
		date 2024-02-10	rnd 5	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Van Romburgh, J (Jan)				Opponent Short, J (John- Daniel)

#	Games	Start				End
1	12	Tournament La Hoff Primary School 2022				Tournament 2022 South African Junior Team Chess Championships
		date 2022-07-23	rnd 5	type Standard	result 1	date 2022-12-04	rnd 1	type Standard	result 1
		Opponent Shole, B (Boitshepo)				Opponent Rothmann, W (Waldo)
2	10	Tournament Dr Kenneth Kaunda Volkies 2023				Tournament DR KKD Trials 2023
		date 2023-06-10	rnd 4	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Krugel, L (Lian)				Opponent Appels, C (Chathem Jordan)
3	5	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Ferdies Mar 2024
		date 2024-02-10	rnd 5	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Van Romburgh, J (Jan)				Opponent Short, J (John- Daniel)

No games found.

#	Games	Start				End

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	Van Zyl ,A (Albertus Petrus)	6	3	0	6	3	0	0	0	0	0	0	0
1	Van Zyl ,A (Albertus Petrus)	6	1301.8	1301.8	6	1301.9	1301.8	0	0	0	0	0	0
2	Werkman ,R (Robert Josua)	5	4	255	5	4	255	0	0	0	0	0	0
2	Werkman ,R (Robert Josua)	5	1224.7	1479.7	5	1220.3	1479.7	0	0	0	0	0	0
3	Van Romburgh ,J (Jan)	3	3	425	3	3	425	0	0	0	0	0	0
3	Van Romburgh ,J (Jan)	3	1062.1	1487.1	3	1038.5	1487.1	0	0	0	0	0	0
4	Labuschagne ,G (Gian)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
4	Labuschagne ,G (Gian)	3	1329.3	1612.7	3	1325.7	1612.7	0	0	0	0	0	0
5	Labuschagne ,P (Phillip)	3	3	425	3	3	425	0	0	0	0	0	0
5	Labuschagne ,P (Phillip)	3	1294.6	1719.6	3	1295.7	1719.6	0	0	0	0	0	0
6	Labuschagne ,E (Edrich)	2	1	0	2	1	0	0	0	0	0	0	0
6	Labuschagne ,E (Edrich)	2	1327.8	1327.8	2	1324.1	1327.8	0	0	0	0	0	0
7	Boshoff ,R (Reinhardt)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Boshoff ,R (Reinhardt)	2	1291.4	866.4	2	1286.7	866.4	0	0	0	0	0	0
8	Appels ,CJ (Chathem Jordan)	2	2	425	2	2	425	0	0	0	0	0	0
8	Appels ,CJ (Chathem Jordan)	2	1187.1	1612.1	2	1189.8	1612.1	0	0	0	0	0	0
9	Jordaan ,M (Marco)	2	2	425	2	2	425	0	0	0	0	0	0
9	Jordaan ,M (Marco)	2	1259.1	1684.1	2	1266.3	1684.1	0	0	0	0	0	0
10	Welgemoed ,E (Ethan)	2	2	425	2	2	425	0	0	0	0	0	0
10	Welgemoed ,E (Ethan)	2	1197.4	1622.4	2	1195.2	1622.4	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 Der Westhuizen, T (Thomas)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms