Chess South Africa Ratings Database

PLAYER PAGE

Personal

Carstens, E (Ethan)

Chess SA id

1120306364

FIDE id

Date of birth

2012-05-03 (U14)

Gender

Male

Region

King Cetshwayo (KUR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1168.5

Item	Main	Standard	Rapid	Blitz
Rating	1233.4	1280.2	1187.9	1200
Raw rating	1233.4	1280.2	1152	1200
Weighted rating	1232.2	1247.3	1187.9	1200
Weighted performance	1085.7	0	0	0
Floor	762.6	780.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.1	147.9	177.6	165.8
Highest rating	1311.1 2024-07-01	1291.2 2024-07-01	1200 2024-07-01	1200 2024-07-01
Highest raw rating	1262.6 2025-06-01	1280.2 2025-06-01	1200 2024-07-01	1200 2024-07-01
Highest weighted rating	1262.6 2024-10-01	1280.2 2024-10-01	1200 2024-07-01	1200 2024-07-01
Highest weighted performance	1311.1 2024-07-01	1291.2 2024-07-01	1200 2024-07-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-3.3	0
New rating	1233.4	1280.2	1184.6	1200
Analysis
Rating	1233.4	1280.2	1187.9	1200
Raw rating	1233.4	1280.2	1152	1200
Weighted rating	1232.2	1247.3	1187.9
Weighted performance	1085.7	0	0
K-factor	36	36	36	36
Floor	762.6	780.2	700	700
Max/Min rating change allowed	158.1	147.9	177.6	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	1233.4	1280.2	1152	1200
New weighted rating	1233	1251.2	1184.6	1200
New weighted performance	1078.8	0	0	0
Temp new rating	1233.4	1280.2	1184.6	1200
Temp new rating +/-	0	0	-3.3	0
Final new rating +/-	0	0	-3.3	0
New rating	1233.4	1280.2	1184.6	1200
New K-factor	36	36	36	36
New floor	762.6	780.2	700	700

Item	Main	Standard	Rapid
	0	0	0
	18	13	5
	17	10	7
	0	0	0
	0	0	0
	0	0	0
History	35	23	12

Games since
	Main 35	Standard 23		Rapid 12		Blitz 0
Gender	Male
Age group	U14
Region	King Cetshwayo (KUR)
Province	KwaZulu Natal (KZ)
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	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-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	18	8	44.44	-47.2	1285	1237.8
Standard	13	7	53.85	32.7	1280.3	1313
Rapid	5	1	20	-255	1297.2	1042.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	35	16	45.71	-36.4	1275.7	1239.2
Standard	23	12	52.17	18.5	1276	1294.5
Rapid	12	4	33.33	-141.7	1274.9	1133.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1233.4	1280.2	1152	1200
2025-09-30	1233.4	1280.2	1152	1200
2025-09-01	1233.4	1280.2	1152	1200
2025-08-01	1262.6	1280.2	1198.9	1200
2025-07-01	1262.6	1280.2	1198.9	1200
2025-06-01	1262.6	1280.2	1198.9	1200
2025-05-01	1244.9	1249.3	1198.9	1200
2025-04-01	1221.4	1221.2	1198.9	1200
2025-03-01	1221.4	1221.2	1198.9	1200
2025-02-01	1224	1228.4	1198.7	1200
2025-01-01	1224	1228.4	1195.7	1200
2024-12-01	1224	1228.4	1195.7	1200
2024-11-01	1224	1228.4	1195.7	1200
2024-10-01	1228.8	1228.4	1200	1200
2024-09-01	1228.8	1228.4	1200	1200
2024-08-01	1228.8	1228.4	1200	1200
2024-07-01	1190	1185.2	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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 King Cetshwayo Inter-School Teams Junior Primary (Intermediate)	2025-08-02	2025-08-02	Rapid	King Cetshwayo (KUR)	5	5	1	Yes	Analysis
2	2025 King Cetshwayo Winter Open (U14)	2025-05-17	2025-05-17	Standard	King Cetshwayo (KUR)	5	5	3	Yes	Analysis
3	2025 King Cetshwayo Anniversary (U14 Boys)	2025-04-12	2025-04-12	Standard	King Cetshwayo (KUR)	5	3	2	Yes	Analysis
4	2025 King Cetshwayo Open (U14)	2025-02-15	2025-02-15	Standard	King Cetshwayo (KUR)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 King Cetshwayo Inter-School Teams Junior Primary (Intermediate)	2025-08-02	2025-08-02	Rapid	King Cetshwayo (KUR)	5	5	1	Yes	Analysis
2	2025 King Cetshwayo Winter Open (U14)	2025-05-17	2025-05-17	Standard	King Cetshwayo (KUR)	5	5	3	Yes	Analysis
3	2025 King Cetshwayo Anniversary (U14 Boys)	2025-04-12	2025-04-12	Standard	King Cetshwayo (KUR)	5	3	2	Yes	Analysis
4	2025 King Cetshwayo Open (U14)	2025-02-15	2025-02-15	Standard	King Cetshwayo (KUR)	5	5	2	Yes	Analysis
5	2024 Umhlthuze Mayoral Cup (U14)	2024-10-19	2024-10-19	Rapid	King Cetshwayo (KUR)	5	5	2	Yes	Analysis
6	2024 King Cetswayo School Chess Selections (Boys 2011-2015)	2024-08-24	2024-08-24	Rapid	King Cetshwayo (KUR)	5	2	1	Yes	Analysis
7	2024 Nelson Mandela Chess Tournament (U14)	2024-07-20	2024-07-20	Standard	King Cetshwayo (KUR)	5	5	3	Yes	Analysis
8	2024 King Cetshwayo Winter Open (U14)	2024-06-08	2024-06-08	Standard	King Cetshwayo (KUR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2025 King Cetshwayo Winter Open				Tournament 2025 King Cetshwayo Winter Open
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Heenop, D (Danika)				Opponent Reddy, T (Tyler)
2	2	Tournament 2024 Umhlthuze Mayoral Cup				Tournament 2025 King Cetshwayo Open
		date 2024-10-19	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent De Bruin, X (Xavier)				Opponent Mnguni, S (Simthokozele)
3	2	Tournament 2024 Nelson Mandela Chess Tournament				Tournament 2024 King Cetswayo School Chess Selections
		date 2024-07-20	rnd 5	type Standard	result 1	date 2024-08-24	rnd 2	type Rapid	result 1
		Opponent Zikhali, P (Prince)				Opponent Venter, A (Andries)

#	Games	Start				End
1	3	Tournament 2025 King Cetshwayo Winter Open				Tournament 2025 King Cetshwayo Winter Open
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Heenop, D (Danika)				Opponent Reddy, T (Tyler)
2	2	Tournament 2024 Nelson Mandela Chess Tournament				Tournament 2025 King Cetshwayo Open
		date 2024-07-20	rnd 5	type Standard	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Zikhali, P (Prince)				Opponent Mnguni, S (Simthokozele)
3	2	Tournament 2024 King Cetshwayo Winter Open				Tournament 2024 King Cetshwayo Winter Open
		date 2024-06-08	rnd 3	type Standard	result 1	date 2024-06-08	rnd 4	type Standard	result 1
		Opponent Reddy, C (Cierra)				Opponent Masinga, K (Khayakazi)

#	Games	Start				End
1	1	Tournament 2025 King Cetshwayo Inter-School Teams Junior Primary				Tournament 2025 King Cetshwayo Inter-School Teams Junior Primary
		date 2025-08-02	rnd 2	type Rapid	result 1	date 2025-08-02	rnd 2	type Rapid	result 1
		Opponent Kalala, G (Gabriel)				Opponent Kalala, G (Gabriel)
2	1	Tournament 2024 Umhlthuze Mayoral Cup				Tournament 2024 Umhlthuze Mayoral Cup
		date 2024-10-19	rnd 5	type Rapid	result 1	date 2024-10-19	rnd 5	type Rapid	result 1
		Opponent De Bruin, X (Xavier)				Opponent De Bruin, X (Xavier)
3	1	Tournament 2024 Umhlthuze Mayoral Cup				Tournament 2024 Umhlthuze Mayoral Cup
		date 2024-10-19	rnd 2	type Rapid	result 1	date 2024-10-19	rnd 2	type Rapid	result 1
		Opponent Vadival, I (Isabella)				Opponent Vadival, I (Isabella)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2025 King Cetshwayo Winter Open				Tournament 2025 King Cetshwayo Winter Open
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Heenop, D (Danika)				Opponent Reddy, T (Tyler)
2	2	Tournament 2024 Umhlthuze Mayoral Cup				Tournament 2025 King Cetshwayo Open
		date 2024-10-19	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent De Bruin, X (Xavier)				Opponent Mnguni, S (Simthokozele)
3	2	Tournament 2024 Nelson Mandela Chess Tournament				Tournament 2024 King Cetswayo School Chess Selections
		date 2024-07-20	rnd 5	type Standard	result 1	date 2024-08-24	rnd 2	type Rapid	result 1
		Opponent Zikhali, P (Prince)				Opponent Venter, A (Andries)

#	Games	Start				End
1	3	Tournament 2025 King Cetshwayo Winter Open				Tournament 2025 King Cetshwayo Winter Open
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Heenop, D (Danika)				Opponent Reddy, T (Tyler)
2	2	Tournament 2024 Nelson Mandela Chess Tournament				Tournament 2025 King Cetshwayo Open
		date 2024-07-20	rnd 5	type Standard	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Zikhali, P (Prince)				Opponent Mnguni, S (Simthokozele)
3	2	Tournament 2024 King Cetshwayo Winter Open				Tournament 2024 King Cetshwayo Winter Open
		date 2024-06-08	rnd 3	type Standard	result 1	date 2024-06-08	rnd 4	type Standard	result 1
		Opponent Reddy, C (Cierra)				Opponent Masinga, K (Khayakazi)

#	Games	Start				End
1	1	Tournament 2025 King Cetshwayo Inter-School Teams Junior Primary				Tournament 2025 King Cetshwayo Inter-School Teams Junior Primary
		date 2025-08-02	rnd 2	type Rapid	result 1	date 2025-08-02	rnd 2	type Rapid	result 1
		Opponent Kalala, G (Gabriel)				Opponent Kalala, G (Gabriel)
2	1	Tournament 2024 Umhlthuze Mayoral Cup				Tournament 2024 Umhlthuze Mayoral Cup
		date 2024-10-19	rnd 5	type Rapid	result 1	date 2024-10-19	rnd 5	type Rapid	result 1
		Opponent De Bruin, X (Xavier)				Opponent De Bruin, X (Xavier)
3	1	Tournament 2024 Umhlthuze Mayoral Cup				Tournament 2024 Umhlthuze Mayoral Cup
		date 2024-10-19	rnd 2	type Rapid	result 1	date 2024-10-19	rnd 2	type Rapid	result 1
		Opponent Vadival, I (Isabella)				Opponent Vadival, I (Isabella)

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	Nxumalo ,M (Mpumelelo)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Nxumalo ,M (Mpumelelo)	2	1390.8	965.8	2	1324.9	965.8	0	0	0	0	0	0
2	Stewart ,C (Christopher)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Stewart ,C (Christopher)	2	1408.4	983.4	2	1379.2	983.4	0	0	0	0	0	0
3	Dorasamy ,K (Kamil)	2	2	425	2	2	425	0	0	0	0	0	0
3	Dorasamy ,K (Kamil)	2	1198.9	1623.9	2	1198.7	1623.9	0	0	0	0	0	0
4	Govender ,TK (Trivae)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Govender ,TK (Trivae)	2	1478.2	1053.2	1	1480.1	1053.2	1	1427.7	1053.2	0	0	0
5	Reddy ,T (Tyler)	1	1	425	1	1	425	0	0	0	0	0	0
5	Reddy ,T (Tyler)	1	1395.5	1820.5	1	1392.8	1820.5	0	0	0	0	0	0
6	Malende ,P (Patrick)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Malende ,P (Patrick)	1	1243	818	1	1251	818	0	0	0	0	0	0
7	Ngcobo ,S (Siyamthemba)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ngcobo ,S (Siyamthemba)	1	1366	941	1	1346	941	0	0	0	0	0	0
8	Boucher ,T (Tyler)	1	1	425	1	1	425	0	0	0	0	0	0
8	Boucher ,T (Tyler)	1	1233.7	1658.7	1	1235.6	1658.7	0	0	0	0	0	0
9	Mnguni ,S (Simthokozele)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mnguni ,S (Simthokozele)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Zikhali ,P (Prince)	1	1	425	1	1	425	0	0	0	0	0	0
10	Zikhali ,P (Prince)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Carstens, E (Ethan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms