Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, C (Carel Ignatius)

Chess SA id

1070140007

FIDE id

Date of birth

2007-04-26 (U20)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-11-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1335.7	1340	1169.2	1200
Raw rating	1335.7	1340	1169.2	1200
Weighted rating	1335.7	1339.8	1169.2	1200
Weighted performance	1001	0	0	0
Floor	854.8	875.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	136.7	135.8	173.3	165.8
Highest rating	1475.2 2022-08-01	1617.2 2022-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1354.8 2023-08-01	1375.3 2023-08-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1354.8 2025-06-01	1375.3 2025-04-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1475.2 2022-08-01	1617.2 2022-08-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1335.7	1340	1169.2	1200
Analysis
Rating	1335.7	1340	1169.2	1200
Raw rating	1335.7	1340	1169.2	1200
Weighted rating	1335.7	1339.8	1169.2
Weighted performance	1001	0	0
K-factor	36	36	36	36
Floor	854.8	875.3	700	700
Max/Min rating change allowed	136.7	135.8	173.3	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	1335.7	1340	1169.2	1200
New weighted rating	1335.7	1339.9	1169.2	1200
New weighted performance	999.6	0	0	0
Temp new rating	1335.7	1340	1169.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1335.7	1340	1169.2	1200
New K-factor	36	36	36	36
New floor	854.8	875.3	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	19	14	5
	11	5	6
	0	0	0
History	30	19	11

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	U20
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	30	19.5	65	127.5	1295.1	1422.6
Standard	19	13.5	71.05	178.9	1281.3	1460.3
Rapid	11	6	54.55	38.6	1318.8	1357.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1335.7	1340	1169.2	1200
2025-09-01	1335.7	1340	1169.2	1200
2025-08-01	1335.7	1340	1169.2	1200
2025-07-01	1335.7	1340	1169.2	1200
2025-06-01	1335.7	1340	1169.2	1200
2025-05-01	1335.7	1340	1169.2	1200
2025-04-01	1335.7	1340	1169.2	1200
2025-03-01	1335.7	1339.9	1169.2	1200
2025-02-01	1335.7	1339.7	1169.2	1200
2025-01-01	1335.7	1339.7	1169.2	1200
2024-12-01	1335.7	1339.7	1169.2	1200
2024-11-01	1335.7	1339.7	1169.2	1200
2024-10-01	1335.7	1339.7	1169.2	1200
2024-09-01	1335.7	1339.7	1169.2	1200
2024-08-01	1335.7	1339.7	1169.2	1200
2024-07-01	1335.7	1339.7	1169.2	1200
2024-06-01	1335.7	1339.7	1169.2	1200
2024-08-01	1335.7	1339.7	1169.2	1200
2024-04-01	1335.7	1339.7	1169.2	1200
2024-03-01	1335.7	1339.7	1169.2	1200
2024-02-01	1335.7	1339.7	1169.2	1200
2024-01-01	1335.7	1339.7	1169.2	1200
2023-12-01	1335.7	1339.7	1169.2	1200
2023-11-01	1335.7	1339.7	1169.2	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	CCC Midstream Rapid 2023	2023-11-27	2023-11-27	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2023 Gauteng Top Schools (U17 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	4	1	Yes	Analysis
3	2023 Tshwane South School District CLOSED League Championship (U17)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
4	2023 Tshwane South School District CLOSED Individual Championships (U18 Open)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	2022 Gauteng Schools Team Championships (U15 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
6	D4 Individuals 2022 (U15 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	6	3	Yes	Analysis

#	Games	Start				End
1	7	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Gauteng Top Schools
		date 2023-04-22	rnd 5	type Standard	result 1	date 2023-08-19	rnd 1	type Standard	result 1
		Opponent Van Tonder, R (Ruan)				Opponent Vorster, R (Ruan)
2	5	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 1	type Standard	result 1	date 2022-08-26	rnd 5	type Standard	result 1
		Opponent Masango, A (Althea)				Opponent Golden, B (Bokamoso)
3	2	Tournament CCC Midstream Rapid 2023				Tournament CCC Midstream Rapid 2023
		date 2023-11-27	rnd 3	type Rapid	result 1	date 2023-11-27	rnd 4	type Rapid	result 1
		Opponent Vosloo, D (Dewaal)				Opponent Gruenenfelder, S (Stiaan)

#	Games	Start				End
1	7	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Gauteng Top Schools
		date 2023-04-22	rnd 5	type Standard	result 1	date 2023-08-19	rnd 1	type Standard	result 1
		Opponent Van Tonder, R (Ruan)				Opponent Vorster, R (Ruan)
2	5	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 1	type Standard	result 1	date 2022-08-26	rnd 5	type Standard	result 1
		Opponent Masango, A (Althea)				Opponent Golden, B (Bokamoso)
3	2	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 3	type Standard	result 1
		Opponent Morrison, J (Jacques-Scott)				Opponent Nel, A (Armand)

#	Games	Start				End
1	2	Tournament CCC Midstream Rapid 2023				Tournament CCC Midstream Rapid 2023
		date 2023-11-27	rnd 3	type Rapid	result 1	date 2023-11-27	rnd 4	type Rapid	result 1
		Opponent Vosloo, D (Dewaal)				Opponent Gruenenfelder, S (Stiaan)
2	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 6	type Rapid	result 1
		Opponent Holmes, E (Ethan)				Opponent Gruenenfelder, S (Stiaan)
3	1	Tournament CCC Midstream Rapid 2023				Tournament CCC Midstream Rapid 2023
		date 2023-11-27	rnd 1	type Rapid	result 1	date 2023-11-27	rnd 1	type Rapid	result 1
		Opponent Gruenenfelder, E (Ellie)				Opponent Gruenenfelder, E (Ellie)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2023 Gauteng Top Schools
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-08-19	rnd 1	type Standard	result 1
		Opponent Laubscher, D (Dirk)				Opponent Vorster, R (Ruan)
2	5	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 1	type Standard	result 1	date 2022-08-26	rnd 5	type Standard	result 1
		Opponent Masango, A (Althea)				Opponent Golden, B (Bokamoso)
3	2	Tournament CCC Midstream Rapid 2023				Tournament CCC Midstream Rapid 2023
		date 2023-11-27	rnd 3	type Rapid	result 1	date 2023-11-27	rnd 4	type Rapid	result 1
		Opponent Vosloo, D (Dewaal)				Opponent Gruenenfelder, S (Stiaan)

#	Games	Start				End
1	5	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2023 Gauteng Top Schools
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-08-19	rnd 1	type Standard	result 1
		Opponent Laubscher, D (Dirk)				Opponent Vorster, R (Ruan)
2	5	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 1	type Standard	result 1	date 2022-08-26	rnd 5	type Standard	result 1
		Opponent Masango, A (Althea)				Opponent Golden, B (Bokamoso)
3	2	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 3	type Standard	result 1
		Opponent Morrison, J (Jacques-Scott)				Opponent Nel, A (Armand)

#	Games	Start				End
1	2	Tournament CCC Midstream Rapid 2023				Tournament CCC Midstream Rapid 2023
		date 2023-11-27	rnd 3	type Rapid	result 1	date 2023-11-27	rnd 4	type Rapid	result 1
		Opponent Vosloo, D (Dewaal)				Opponent Gruenenfelder, S (Stiaan)
2	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 6	type Rapid	result 1
		Opponent Holmes, E (Ethan)				Opponent Gruenenfelder, S (Stiaan)
3	1	Tournament CCC Midstream Rapid 2023				Tournament CCC Midstream Rapid 2023
		date 2023-11-27	rnd 1	type Rapid	result 1	date 2023-11-27	rnd 1	type Rapid	result 1
		Opponent Gruenenfelder, E (Ellie)				Opponent Gruenenfelder, E (Ellie)

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	Fuhri ,R (Ruben)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Fuhri ,R (Ruben)	2	1238.9	1451.4	2	1234.1	1451.4	0	0	0	0	0	0
2	Vather ,S (Shayur)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Vather ,S (Shayur)	2	1666	1241	1	1761.4	1241	1	1394.8	1241	0	0	0
3	Gruenenfelder ,S (Stiaan)	2	2	425	0	0	0	2	2	425	0	0	0
3	Gruenenfelder ,S (Stiaan)	2	1383.6	1808.6	0	0	0	2	839.2	1808.6	0	0	0
4	Nel ,G (Gabriel)	1	1	425	1	1	425	0	0	0	0	0	0
4	Nel ,G (Gabriel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Morrison ,J (Jacques-Scott)	1	1	425	1	1	425	0	0	0	0	0	0
5	Morrison ,J (Jacques-Scott)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Van Tonder ,R (Ruan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van Tonder ,R (Ruan)	1	1219.9	1644.9	1	1222.8	1644.9	0	0	0	0	0	0
7	Naicker ,GC (Gabriel Christian)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Naicker ,GC (Gabriel Christian)	1	1435.1	1010.1	1	1418.5	1010.1	0	0	0	0	0	0
8	Nel ,A (Armand)	1	1	425	1	1	425	0	0	0	0	0	0
8	Nel ,A (Armand)	1	1271.1	1696.1	1	1262.7	1696.1	0	0	0	0	0	0
9	Laubscher ,D (Dirk)	1	1	425	1	1	425	0	0	0	0	0	0
9	Laubscher ,D (Dirk)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Johnson ,A (Ashar)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Johnson ,A (Ashar)	1	1428.2	1003.2	1	1416.4	1003.2	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, C (Carel Ignatius)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms