Chess South Africa Ratings Database

PLAYER PAGE

Personal

Esterhuizen, E (Ethan)

Chess SA id

1120141168

FIDE id

Date of birth

2012-04-10 (U14)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1269.1

Item	Main	Standard	Rapid	Blitz
Rating	1533.1	1535.5	1366.1	1200
Raw rating	1497.2	1490.4	1366.1	1200
Weighted rating	1533.1	1535.5	1366.1	1200
Weighted performance	1265.5	1262.9	0	0
Floor	1042.1	1049.9	866.1	700
K-factor	32	32	36	36
Min/Max rating change allowed	108.6	109.6	130.9	165.8
Highest rating	1545.5 2023-08-01	1566.3 2023-09-01	1512.4 2023-08-01	1200 2018-10-01
Highest raw rating	1542.1 2025-07-01	1549.9 2023-10-01	1366.1 2024-02-01	1200 2024-02-01
Highest weighted rating	1542.1 2025-02-01	1549.9 2025-02-01	1366.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1545.5 2023-08-01	1566.3 2023-09-01	1512.4 2023-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.9	-3.7	0	0
New rating	1530.2	1531.8	1366.1	1200
Analysis
Rating	1533.1	1535.5	1366.1	1200
Raw rating	1497.2	1490.4	1366.1	1200
Weighted rating	1533.1	1535.5	1366.1
Weighted performance	1265.5	1262.9	0
K-factor	32	32	36	36
Floor	1042.1	1049.9	866.1	700
Max/Min rating change allowed	108.6	109.6	130.9	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	1497.2	1490.4	1366.1	1200
New weighted rating	1530.2	1531.8	1366.1	1200
New weighted performance	1257.3	1254.8	0	0
Temp new rating	1530.2	1531.8	1366.1	1200
Temp new rating +/-	-2.9	-3.7	0	0
Final new rating +/-	-2.9	-3.7	0	0
New rating	1530.2	1531.8	1366.1	1200
New K-factor	32	32	36	36
New floor	1042.1	1049.9	866.1	700

Item	Main	Standard	Rapid
	0	0	0
	15	15	0
	0	0	0
	41	30	11
	17	11	6
	0	0	0
History	73	56	17

Games since
	Main 20	Standard 20		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
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	15	8	53.33	28.3	1330.8	1359.2
Standard	15	8	53.33	28.3	1330.8	1359.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	73	52.5	71.92	186.3	1264.3	1450.6
Standard	56	39	69.64	167	1273	1440
Rapid	17	13.5	79.41	250	1235.4	1485.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1497.2	1490.4	1366.1	1200
2025-09-30	1542.1	1545.8	1366.1	1200
2025-09-01	1542.1	1545.8	1366.1	1200
2025-08-01	1542.1	1545.8	1366.1	1200
2025-07-01	1542.1	1545.8	1366.1	1200
2025-06-01	1533.9	1537.1	1366.1	1200
2025-05-01	1533.7	1536.8	1366.1	1200
2025-04-01	1533	1536.1	1366.1	1200
2025-03-01	1529	1531.4	1366.1	1200
2025-02-01	1534.2	1537.1	1366.1	1200
2025-01-01	1534.2	1537.1	1366.1	1200
2024-12-01	1534.2	1537.1	1366.1	1200
2024-11-01	1534.2	1537.1	1366.1	1200
2024-10-01	1534.2	1537.1	1366.1	1200
2024-09-01	1534.2	1537.1	1366.1	1200
2024-08-01	1534.2	1537.1	1366.1	1200
2024-07-01	1534.2	1537.1	1366.1	1200
2024-09-01	1534.2	1537.1	1366.1	1200
2024-05-01	1534.2	1537.1	1366.1	1200
2024-04-01	1534.2	1537.1	1366.1	1200
2024-03-01	1534.2	1537.1	1366.1	1200
2024-02-01	1534.2	1537.1	1366.1	1200
2024-01-01	1534.2	1537.1	1366.1	1200
2023-12-01	1534.2	1537.1	1366.1	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	Mpumalanga Regional Chess Trials 2025 (U14)	2025-09-06	2025-09-06	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
2	Treeside Academy Chess Tournament 2025 (U14)	2025-05-24	2025-05-24	Standard	Ehlanzeni (MEN)	5	5	4.5	Yes	Analysis
3	Uplands Chess Tournament 2025 (Open)	2025-02-08	2025-02-08	Standard	Ehlanzeni (MEN)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mpumalanga Regional Chess Trials 2025 (U14)	2025-09-06	2025-09-06	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
2	Treeside Academy Chess Tournament 2025 (U14)	2025-05-24	2025-05-24	Standard	Ehlanzeni (MEN)	5	5	4.5	Yes	Analysis
3	Uplands Chess Tournament 2025 (Open)	2025-02-08	2025-02-08	Standard	Ehlanzeni (MEN)	5	5	1	Yes	Analysis
4	Mbombela Chess Club Annual 2023 (U14)	2023-12-02	2023-12-02	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
5	Mpumalanga Final 2023 (U11)	2023-09-02	2023-09-02	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis
6	Trac N4 Mbombela Chess Tournament 2023 (U14)	2023-09-09	2023-09-09	Standard	Ehlanzeni (MEN)	5	5	4.5	Yes	Analysis
7	Interprimary Finals 2023 (U11)	2023-08-19	2023-08-19	Rapid	Ehlanzeni (MEN)	5	4	3.5	Yes	Analysis
8	Interprimary 2023 (U11)	2023-08-05	2023-08-05	Rapid	Ehlanzeni (MEN)	3	2	2	Yes	Analysis
9	White River Primary 2023 (U12)	2023-07-21	2023-07-21	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
10	Robbies 2023 (U12)	2023-05-11	2023-05-11	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
11	Uplands Chess Tournament 2023 (U12)	2023-02-25	2023-02-25	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
12	Penryn Chess Tournament 2023 (U12)	2023-02-11	2023-02-11	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
13	Kenridge Rapid 2022 (U12)	2022-11-05	2022-11-05	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
14	Western Cape Closed Championship 2022 (U12)	2022-09-24	2022-09-24	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
15	Steinitz Open 2022 (D)	2022-05-21	2022-05-22	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis

#	Games	Start				End
1	18	Tournament Robbies 2023				Tournament Mpumalanga Final 2023
		date 2023-05-11	rnd 1	type Standard	result 1	date 2023-09-02	rnd 2	type Rapid	result 1
		Opponent Malala, M (Melokunhle)				Opponent Herbst, A (Anthony)
2	10	Tournament Mpumalanga Final 2023				Tournament Mbombela Chess Club Annual 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-12-02	rnd 3	type Standard	result 1
		Opponent Engelbrecht, G (Gabriel)				Opponent Tibane, P (Phavious)
3	6	Tournament Treeside Academy Chess Tournament 2025				Tournament Mpumalanga Regional Chess Trials 2025
		date 2025-05-24	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Marais, N (Nathan)				Opponent Van Brakel, R (Ryan)

#	Games	Start				End
1	18	Tournament Robbies 2023				Tournament Mbombela Chess Club Annual 2023
		date 2023-05-11	rnd 1	type Standard	result 1	date 2023-12-02	rnd 3	type Standard	result 1
		Opponent Malala, M (Melokunhle)				Opponent Tibane, P (Phavious)
2	5	Tournament Treeside Academy Chess Tournament 2025				Tournament Treeside Academy Chess Tournament 2025
		date 2025-05-24	rnd 1	type Standard	result 1	date 2025-05-24	rnd 5	type Standard	result 0.5
		Opponent Marais, N (Nathan)				Opponent Stephen, J (Jeron)
3	5	Tournament Penryn Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-11	rnd 5	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Saldanha, N (Noah)				Opponent Van Staden, D (Daniel Stefanus)

#	Games	Start				End
1	10	Tournament Kenridge Rapid 2022				Tournament Mpumalanga Final 2023
		date 2022-11-05	rnd 5	type Rapid	result 1	date 2023-09-02	rnd 2	type Rapid	result 1
		Opponent Ferrone, G (Gianluca)				Opponent Herbst, A (Anthony)
2	2	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Engelbrecht, G (Gabriel)				Opponent Lombard, R (Roan)
3	1	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 3	type Rapid	result 1	date 2022-11-05	rnd 3	type Rapid	result 1
		Opponent Fourie, R (Ruan)				Opponent Fourie, R (Ruan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	12	Tournament Robbies 2023				Tournament Interprimary 2023
		date 2023-05-11	rnd 1	type Standard	result 1	date 2023-08-05	rnd 3	type Rapid	result 1
		Opponent Malala, M (Melokunhle)				Opponent Mahe, L (Lucia)
2	5	Tournament Mpumalanga Final 2023				Tournament Trac N4 Mbombela Chess Tournament 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-09	rnd 3	type Standard	result 1
		Opponent Engelbrecht, G (Gabriel)				Opponent Suriakumar, V (Vihaan)
3	5	Tournament Interprimary Finals 2023				Tournament Mpumalanga Final 2023
		date 2023-08-19	rnd 3	type Rapid	result 1	date 2023-09-02	rnd 2	type Rapid	result 1
		Opponent Lombard, R (Roan)				Opponent Herbst, A (Anthony)

#	Games	Start				End
1	13	Tournament Robbies 2023				Tournament Trac N4 Mbombela Chess Tournament 2023
		date 2023-05-11	rnd 1	type Standard	result 1	date 2023-09-09	rnd 3	type Standard	result 1
		Opponent Malala, M (Melokunhle)				Opponent Suriakumar, V (Vihaan)
2	5	Tournament Penryn Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-11	rnd 5	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Saldanha, N (Noah)				Opponent Van Staden, D (Daniel Stefanus)
3	4	Tournament Treeside Academy Chess Tournament 2025				Tournament Treeside Academy Chess Tournament 2025
		date 2025-05-24	rnd 1	type Standard	result 1	date 2025-05-24	rnd 4	type Standard	result 1
		Opponent Marais, N (Nathan)				Opponent Maluleke, V (Vutomi)

#	Games	Start				End
1	5	Tournament Interprimary Finals 2023				Tournament Mpumalanga Final 2023
		date 2023-08-19	rnd 3	type Rapid	result 1	date 2023-09-02	rnd 2	type Rapid	result 1
		Opponent Lombard, R (Roan)				Opponent Herbst, A (Anthony)
2	4	Tournament Kenridge Rapid 2022				Tournament Interprimary 2023
		date 2022-11-05	rnd 5	type Rapid	result 1	date 2023-08-05	rnd 3	type Rapid	result 1
		Opponent Ferrone, G (Gianluca)				Opponent Mahe, L (Lucia)
3	2	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Engelbrecht, G (Gabriel)				Opponent Lombard, R (Roan)

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	Saldanha ,N (Noah)	3	3	425	3	3	425	0	0	0	0	0	0
1	Saldanha ,N (Noah)	3	1225	1650	3	1229.2	1650	0	0	0	0	0	0
2	Van Dyk ,A (Adriaan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Van Dyk ,A (Adriaan)	3	1406.8	1265.2	3	1419.2	1265.2	0	0	0	0	0	0
3	Lombard ,R (Roan)	3	3	425	1	1	425	2	2	425	0	0	0
3	Lombard ,R (Roan)	3	1341.3	1766.3	1	1308	1766.3	2	1211	1766.3	0	0	0
4	Van Staden ,D (Daniel Stefanus)	2	2	425	2	2	425	0	0	0	0	0	0
4	Van Staden ,D (Daniel Stefanus)	2	1206.5	1631.5	2	1191.8	1631.5	0	0	0	0	0	0
5	Priestley ,L (Liam)	2	1	0	2	1	0	0	0	0	0	0	0
5	Priestley ,L (Liam)	2	1239.8	1239.8	2	1166.3	1239.8	0	0	0	0	0	0
6	Marx ,J (Jandre)	2	1	0	2	1	0	0	0	0	0	0	0
6	Marx ,J (Jandre)	2	1260.7	1260.7	2	1267.1	1260.7	0	0	0	0	0	0
7	Grobler ,T (Troy)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
7	Grobler ,T (Troy)	2	1200	1412.5	0	0	0	2	1200	1412.5	0	0	0
8	Ismail ,R (Razeen)	1	1	425	1	1	425	0	0	0	0	0	0
8	Ismail ,R (Razeen)	1	1203.7	1628.7	1	1212.4	1628.7	0	0	0	0	0	0
9	Ntlemo ,N (Nhlori)	1	1	425	1	1	425	0	0	0	0	0	0
9	Ntlemo ,N (Nhlori)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Glass ,G (Gift)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Glass ,G (Gift)	1	1595.4	1170.4	1	1578.6	1170.4	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

Esterhuizen, E (Ethan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms