Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, H (Hendrik)

Chess SA id

1120148665

FIDE id

Date of birth

2012-06-14 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1255.7

Item	Main	Standard	Rapid	Blitz
Rating	1301.1	1306	1200	1200
Raw rating	1301.1	1306	1200	1200
Weighted rating	1218.6	1217	1200	1200
Weighted performance	1267.7	1264.1	0	0
Floor	801.1	806	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	143.6	142.6	165.8	165.8
Highest rating	1301.1 2025-09-01	1306 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1301.1 2025-09-01	1306 2025-09-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1249.4 2024-01-01	1247.1 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1280.7 2025-09-01	1276.9 2025-09-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1301.1	1306	1200	1200
Analysis
Rating	1301.1	1306	1200	1200
Raw rating	1301.1	1306	1200	1200
Weighted rating	1218.6	1217	1200
Weighted performance	1267.7	1264.1	0
K-factor	36	36	36	36
Floor	801.1	806	700	700
Max/Min rating change allowed	143.6	142.6	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	1301.1	1306	1200	1200
New weighted rating	1226.1	1225.1	1200	1200
New weighted performance	1267.3	1263.6	0	0
Temp new rating	1301.1	1306	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1301.1	1306	1200	1200
New K-factor	36	36	36	36
New floor	801.1	806	700	700

Item	Main	Standard
	0	0
	39	39
	47	47
	51	51
	0	0
	0	0
History	137	137

Games since
	Main 86	Standard 86		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3183		1063		376
Male	2508		837		289
U14	593		189		61
U14 Male	436		140		45
Standard
	RSA		Province		Region
Overall	3002		1077		409
Male	2369		856		320
U14	564		188		66
U14 Male	405		140		47
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	39	17	43.59	-54.5	1288.9	1234.4
Standard	39	17	43.59	-54.5	1288.9	1234.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	137	62.5	45.62	-37.2	1240.6	1203.4
Standard	137	62.5	45.62	-37.2	1240.6	1203.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1301.1	1306	1200	1200
2025-09-01	1301.1	1306	1200	1200
2025-08-01	1211.9	1212	1200	1200
2025-07-01	1199.1	1195.7	1200	1200
2025-06-01	1209	1205.6	1200	1200
2025-05-01	1209	1205.6	1200	1200
2025-04-01	1209	1205.6	1200	1200
2025-03-01	1212.8	1208.8	1200	1200
2025-02-01	1200.3	1195.6	1200	1200
2025-01-01	1231	1230.4	1200	1200
2024-12-01	1208.3	1206.6	1200	1200
2024-11-01	1208.3	1206.6	1200	1200
2024-10-01	1208.3	1206.6	1200	1200
2024-09-01	1176.2	1174.2	1200	1200
2024-08-01	1205.3	1205.9	1200	1200
2024-07-01	1196.7	1197.3	1200	1200
2024-06-01	1196.7	1197.3	1200	1200
2024-08-01	1158.2	1149.8	1200	1200
2024-04-01	1174	1167.1	1200	1200
2024-03-01	1174	1167.1	1200	1200
2024-02-01	1160.9	1150.2	1200	1200
2024-01-01	1207.4	1202.4	1200	1200
2023-12-01	1207.4	1202.4	1200	1200
2023-11-01	1207.4	1202.4	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 Tshwane South School District CLOSED League Championship (U13A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2025 Etienne Lewis Closed Chess Tournament (U14)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
3	2025 Menlo Open (B)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	2025 Elise Steenkamp Open Chess Tournament (Rook)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	2	Yes	Analysis
5	AHS Open Chess Tournament 2025 (D)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	Constantiapark Open 2025 (D)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	2025 Tshwane Chess OPEN Registration Tournament (B3)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U13A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2025 Etienne Lewis Closed Chess Tournament (U14)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
3	2025 Menlo Open (B)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	2025 Elise Steenkamp Open Chess Tournament (Rook)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	2	Yes	Analysis
5	AHS Open Chess Tournament 2025 (D)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	Constantiapark Open 2025 (D)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	2025 Tshwane Chess OPEN Registration Tournament (B3)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
8	Gauteng Inter-Region at UJ 2024 (U14 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	2024 Etienne Lewis (U14)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	7	3	Yes	Analysis
10	2024 Alekhine Open Chess Tournament (B)	2024-08-09	2024-08-10	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
11	Menlopark Open Chess Tournament 2024 (C)	2024-07-13	2024-07-13	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
12	2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
13	2024 Milos Ristic Open Chess Tournament (B)	2024-04-27	2024-04-27	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
14	2024 Tshwane Chess AHS Open Chess Tournament (D1)	2024-02-24	2024-02-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
15	2024 Tshwane Chess OPEN Registration Tournament (D1)	2024-01-27	2024-01-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
16	2024 Gauteng Inter-Region Chess Championship (U12C)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
17	2023 Alekhine Open Tournament (D)	2023-09-09	2023-09-09	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
18	2023 Gauteng Top Schools (U11 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	2.5	Yes	Analysis
19	2023 Etienne Lewis Closed Tournament (U12)	2023-08-25	2023-08-27	Standard	Tshwane (GTP)	7	7	3	Yes	Analysis
20	2023 Tshwane South School District CLOSED League Championship (U11)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
21	2023 Menlo Open Tournament (D)	2023-07-22	2023-07-22	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
22	2023 Tshwane South School District CLOSED Individual Championships (U11 Open)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
23	Tuks Junior Developmental Chess Tournament 2023 (Red)	2023-03-18	2023-03-18	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
24	2023 Afrikaans Ho�r Seunskool Open Chess Tournament (D2)	2023-03-04	2023-03-04	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
25	Laerskool Constantiapark Open Chess Tournament 2023 (U12)	2023-02-18	2023-02-18	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
26	2023 Tshwane Chess Open Registration Tournament (D2)	2023-01-28	2023-01-28	Standard	Tshwane (GTP)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2023 Gauteng Top Schools
		date 2023-07-29	rnd 4	type Standard	result 1	date 2023-08-18	rnd 3	type Standard	result 1
		Opponent Van Den Bergh, C (Christiaan)				Opponent Green, A (Amber)
2	4	Tournament Constantiapark Open 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Janse Van Vuuren, E (Estiaan)				Opponent Niehaus, L (Liam)
3	4	Tournament Tuks Junior Developmental Chess Tournament 2023				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-03-18	rnd 4	type Standard	result 0.5	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Loubser, L (Lara)				Opponent Olivier, F (Frederik)

#	Games	Start				End
1	5	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2023 Gauteng Top Schools
		date 2023-07-29	rnd 4	type Standard	result 1	date 2023-08-18	rnd 3	type Standard	result 1
		Opponent Van Den Bergh, C (Christiaan)				Opponent Green, A (Amber)
2	4	Tournament Constantiapark Open 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Janse Van Vuuren, E (Estiaan)				Opponent Niehaus, L (Liam)
3	4	Tournament Tuks Junior Developmental Chess Tournament 2023				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-03-18	rnd 4	type Standard	result 0.5	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Loubser, L (Lara)				Opponent Olivier, F (Frederik)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Constantiapark Open 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Janse Van Vuuren, E (Estiaan)				Opponent Niehaus, L (Liam)
2	3	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 3	type Standard	result 1	date 2025-08-15	rnd 5	type Standard	result 1
		Opponent Botha, N (Nicholaas)				Opponent Simao, A (Arya)
3	3	Tournament 2025 Etienne Lewis Closed Chess Tournament				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-08-09	rnd 2	type Standard	result 1	date 2025-08-09	rnd 4	type Standard	result 1
		Opponent Slabbert, M (Marko)				Opponent Ebersohn, G (Gerhard)

#	Games	Start				End
1	4	Tournament Constantiapark Open 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Janse Van Vuuren, E (Estiaan)				Opponent Niehaus, L (Liam)
2	3	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 3	type Standard	result 1	date 2025-08-15	rnd 5	type Standard	result 1
		Opponent Botha, N (Nicholaas)				Opponent Simao, A (Arya)
3	3	Tournament 2025 Etienne Lewis Closed Chess Tournament				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-08-09	rnd 2	type Standard	result 1	date 2025-08-09	rnd 4	type Standard	result 1
		Opponent Slabbert, M (Marko)				Opponent Ebersohn, G (Gerhard)

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	Coetzee ,M (Mauritz)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Coetzee ,M (Mauritz)	3	1167.3	1167.3	3	1151.4	1167.3	0	0	0	0	0	0
2	Grahan ,T (Tylo)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Grahan ,T (Tylo)	3	1284.5	859.5	3	1274	859.5	0	0	0	0	0	0
3	Buchner ,E (Emil)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Buchner ,E (Emil)	3	1332.2	1473.9	3	1319.7	1473.9	0	0	0	0	0	0
4	Bogaard ,A (Anneke)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Bogaard ,A (Anneke)	3	1123.3	1264.9	3	1116.2	1264.9	0	0	0	0	0	0
5	Fokker ,CD (Christiaan Dirk)	3	0	-425	3	0	-425	0	0	0	0	0	0
5	Fokker ,CD (Christiaan Dirk)	3	1262.8	837.8	3	1253.2	837.8	0	0	0	0	0	0
6	Smith ,E (Eduan)	2	1	0	2	1	0	0	0	0	0	0	0
6	Smith ,E (Eduan)	2	1342.7	1342.7	2	1344.8	1342.7	0	0	0	0	0	0
7	Veldman ,C (Chantane)	2	2	425	2	2	425	0	0	0	0	0	0
7	Veldman ,C (Chantane)	2	1236.1	1661.1	2	1213.1	1661.1	0	0	0	0	0	0
8	De Bruin ,H (Hanno)	2	2	425	2	2	425	0	0	0	0	0	0
8	De Bruin ,H (Hanno)	2	1241.2	1666.2	2	1230.8	1666.2	0	0	0	0	0	0
9	Smith ,L (Leah)	2	2	425	2	2	425	0	0	0	0	0	0
9	Smith ,L (Leah)	2	1168.8	1593.8	2	1161	1593.8	0	0	0	0	0	0
10	Van Den Bergh ,C (Christiaan)	2	1	0	2	1	0	0	0	0	0	0	0
10	Van Den Bergh ,C (Christiaan)	2	1121.6	1121.6	2	1107	1121.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Der Merwe, H (Hendrik)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms