Chess South Africa Ratings Database

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Personal

Esterhuizen, E (Erich)

Chess SA id

1130138275

FIDE id

Date of birth

2013-03-30 (U14)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1141.6

Item	Main	Standard	Rapid	Blitz
Rating	1156.2	1156.6	1179.8	1200
Raw rating	1130.5	1122.2	1179.8	1200
Weighted rating	1156.2	1156.6	1179.8	1200
Weighted performance	1066.6	1067.3	0	0
Floor	707.9	717.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	183.1	185.2	170.7	165.8
Highest rating	1207.9 2025-06-01	1217.6 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1207.9 2025-06-01	1217.6 2025-06-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1207.9 2018-10-01	1217.6 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.7	-1.5	0	0
New rating	1155.5	1155.1	1179.8	1200
Analysis
Rating	1156.2	1156.6	1179.8	1200
Raw rating	1130.5	1122.2	1179.8	1200
Weighted rating	1156.2	1156.6	1179.8
Weighted performance	1066.6	1067.3	0
K-factor	36	36	36	36
Floor	707.9	717.6	700	700
Max/Min rating change allowed	183.1	185.2	170.7	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	1130.5	1122.2	1179.8	1200
New weighted rating	1155.5	1155.1	1179.8	1200
New weighted performance	1060.2	1060.9	0	0
Temp new rating	1155.5	1155.1	1179.8	1200
Temp new rating +/-	-0.7	-1.5	0	0
Final new rating +/-	-0.7	-1.5	0	0
New rating	1155.5	1155.1	1179.8	1200
New K-factor	36	36	36	36
New floor	707.9	717.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	50	39	11
	51	51	0
	29	25	4
	19	19	0
	0	0	0
History	149	134	15

Games since
	Main 101	Standard 90		Rapid 11		Blitz 0
Gender	Male
Age group	U14
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4352		1408		183
Male	3210		1046		133
U14	873		281		52
U14 Male	600		189		34
Standard
	RSA		Province		Region
Overall	4308		1533		191
Male	3180		1149		141
U14	863		306		55
U14 Male	588		208		36
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	50	17	34	-136	1283.2	1147.2
Standard	39	13	33.33	-141.7	1290.4	1148.8
Rapid	11	4	36.36	-115.9	1257.4	1141.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	149	52	34.9	-128.4	1244.1	1115.8
Standard	134	46.5	34.7	-130	1244.7	1114.7
Rapid	15	5.5	36.67	-113.3	1238.8	1125.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1130.5	1122.2	1179.8	1200
2025-09-30	1173.8	1170.8	1179.8	1200
2025-09-01	1173.8	1170.8	1179.8	1200
2025-08-01	1184.3	1183.5	1179.8	1200
2025-07-01	1189.4	1191.2	1179.8	1200
2025-06-01	1207.9	1217.6	1179.8	1200
2025-05-01	1178.2	1185.7	1178.9	1200
2025-04-01	1186	1185.7	1178.4	1200
2025-03-01	1161.7	1155.1	1180.4	1200
2025-02-01	1178.9	1175.4	1180.4	1200
2025-01-01	1178.9	1175.4	1180	1200
2024-12-01	1122.7	1119.9	1180	1200
2024-11-01	1122.7	1119.9	1180	1200
2024-10-01	1117.9	1121.8	1180	1200
2024-09-01	1094.3	1094.6	1180	1200
2024-08-01	1089.3	1091	1180	1200
2024-07-01	1125.5	1136.6	1180	1200
2024-09-01	1137.5	1151.4	1180	1200
2024-05-01	1137.5	1151.4	1180	1200
2024-04-01	1093.3	1099.8	1180	1200
2024-03-01	1061.4	1063.4	1180	1200
2024-02-01	1061.4	1063.4	1180	1200
2024-01-01	1115.2	1122.2	1180	1200
2023-12-01	1115.2	1122.2	1180	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 Gauteng Top Schools Teams (U13)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	0.5	Yes	Analysis
2	2025 Gauteng Schools Provincial Individual Chess Championship (U13 Boys)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	GDE (D7) Sedibeng East Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
4	Eureka Chess Open 26 July 2025 (F)	2025-07-26	2025-07-26	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
5	LS Vryheidsmonument Chess Open 21 Jun 2025 (D)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
6	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Boys)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	4	2.5	Yes	Analysis
7	HS Overvaal Rapid 12 Apr 2025 (D)	2025-04-12	2025-04-12	Rapid	Sedibeng (GSV)	5	5	2	Yes	Analysis
8	Destinata Rapid Open 025 (D)	2025-03-15	2025-03-15	Rapid	Sedibeng (GSV)	6	6	2	Yes	Analysis
9	Hoerskool Drie Riviere Open 08 March 2025 (D)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
10	Laerskool Vaalpark Open 01 March 25 (D)	2025-03-01	2025-03-01	Standard	Sedibeng (GSV)	5	0	0	No	Analysis
11	Afrikaans High School Open 08 Feb 2025 (D)	2025-02-08	2025-02-08	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U13)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	0.5	Yes	Analysis
2	2025 Gauteng Schools Provincial Individual Chess Championship (U13 Boys)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	GDE (D7) Sedibeng East Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
4	Eureka Chess Open 26 July 2025 (F)	2025-07-26	2025-07-26	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
5	LS Vryheidsmonument Chess Open 21 Jun 2025 (D)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
6	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Boys)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	4	2.5	Yes	Analysis
7	HS Overvaal Rapid 12 Apr 2025 (D)	2025-04-12	2025-04-12	Rapid	Sedibeng (GSV)	5	5	2	Yes	Analysis
8	Destinata Rapid Open 025 (D)	2025-03-15	2025-03-15	Rapid	Sedibeng (GSV)	6	6	2	Yes	Analysis
9	Hoerskool Drie Riviere Open 08 March 2025 (D)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
10	Laerskool Vaalpark Open 01 March 25 (D)	2025-03-01	2025-03-01	Standard	Sedibeng (GSV)	5	0	0	No	Analysis
11	Afrikaans High School Open 08 Feb 2025 (D)	2025-02-08	2025-02-08	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
12	Gauteng Inter-Region at UJ 2024 (U12 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	3	2	Yes	Analysis
13	NWU Vaal Chess Open 12 Oct 2024 (D)	2024-10-12	2024-10-12	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
14	Gauteng Top Schools 2024 (U11 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
15	Kings Gambit Chess Open 14 Sept 2024 (D)	2024-09-14	2024-09-14	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
16	Gauteng Schools Individuals Finals 2024 (U11 Boys)	2024-08-16	2024-08-16	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
17	Sedibeng East D7 Teams Trials 2024 (U11)	2024-08-03	2024-08-03	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
18	Eureka Open 27 July 2024 (G)	2024-07-27	2024-07-27	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
19	AG Visser Open 2024 (D)	2024-06-08	2024-06-08	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
20	HS Drie Riviere Chess Open Section 2024 (D)	2024-03-09	2024-03-09	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
21	Laerskool Midvaal Chess Open Section 2024 (D)	2024-02-10	2024-02-10	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
22	2024 Gauteng Inter-Region Chess Championship (U12B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
23	NWU Vaal Open 2023 (E)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
24	Gauteng D7 Teams 2023 (U11)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
25	Overvaal Ope Jul 2023 (D)	2023-07-22	2023-07-22	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
26	VaalPark Primary Open Chess 2023 (D)	2023-06-16	2023-06-16	Rapid	Sedibeng (GSV)	5	4	1.5	Yes	Analysis
27	Gauteng Schools D7 2023 (U11 Boys)	2023-05-20	2023-05-20	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
28	Laerkool Midvaal Chess Open 2023 (E)	2023-01-28	2023-01-28	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
29	D7 Teams 2022 (U9+U11 Mixed)	2022-08-13	2022-08-13	Standard	Sedibeng (GSV)	5	5	0.5	Yes	Analysis
30	2022 Gauteng Schools Team Championships (U9 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	0.5	Yes	Analysis
31	LS Vryheidsmonument Chess Open 2022 (D)	2022-05-07	2022-05-07	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
32	Drie Riviere Open 2022 (D)	2022-02-18	2022-02-18	Standard	Sedibeng (GSV)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament GDE Sedibeng East Schools - D7 Individuals 24 May 2025				Tournament GDE Sedibeng East Schools - D7 Individuals 24 May 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 5	type Standard	result 1
		Opponent Meyer, R (Ryan)				Opponent Du Toit, C (Christiaan)
2	3	Tournament Hoerskool Drie Riviere Open 08 March 2025				Tournament Hoerskool Drie Riviere Open 08 March 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Molete, O (Oratile)				Opponent Mbatha, K (Kethubuhle L)
3	3	Tournament NWU Vaal Chess Open 12 Oct 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-10-12	rnd 5	type Standard	result 1	date 2024-12-07	rnd 3	type Standard	result 1
		Opponent Masitenyane, L (Letlotlo)				Opponent Theron, F (Francois)

#	Games	Start				End
1	3	Tournament GDE Sedibeng East Schools - D7 Individuals 24 May 2025				Tournament GDE Sedibeng East Schools - D7 Individuals 24 May 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 5	type Standard	result 1
		Opponent Meyer, R (Ryan)				Opponent Du Toit, C (Christiaan)
2	3	Tournament Hoerskool Drie Riviere Open 08 March 2025				Tournament Hoerskool Drie Riviere Open 08 March 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Molete, O (Oratile)				Opponent Mbatha, K (Kethubuhle L)
3	3	Tournament NWU Vaal Chess Open 12 Oct 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-10-12	rnd 5	type Standard	result 1	date 2024-12-07	rnd 3	type Standard	result 1
		Opponent Masitenyane, L (Letlotlo)				Opponent Theron, F (Francois)

#	Games	Start				End
1	2	Tournament Destinata Rapid Open 025				Tournament Destinata Rapid Open 025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 4	type Rapid	result 1
		Opponent van Schalkwyk, A (Alyssa)				Opponent van der Walt, K (Kiera)
2	2	Tournament VaalPark Primary Open Chess 2023				Tournament VaalPark Primary Open Chess 2023
		date 2023-06-16	rnd 4	type Rapid	result 1	date 2023-06-16	rnd 5	type Rapid	result 0.5
		Opponent Emanuel, S (Shiloh)				Opponent Geyer, L (Lourens)
3	1	Tournament HS Overvaal Rapid 12 Apr 2025				Tournament HS Overvaal Rapid 12 Apr 2025
		date 2025-04-12	rnd 5	type Rapid	result 1	date 2025-04-12	rnd 5	type Rapid	result 1
		Opponent Nagel, A (Abigail)				Opponent Nagel, A (Abigail)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament NWU Vaal Chess Open 12 Oct 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-10-12	rnd 5	type Standard	result 1	date 2024-12-07	rnd 3	type Standard	result 1
		Opponent Masitenyane, L (Letlotlo)				Opponent Theron, F (Francois)
2	3	Tournament Sedibeng East D7 Teams Trials 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-08-16	rnd 1	type Standard	result 1
		Opponent Van Heerden, S (Sian)				Opponent Sampson, C (Cadon)
3	2	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Zemedkun, S (Surprise)				Opponent Mokoena, O (Oarabetse)

#	Games	Start				End
1	3	Tournament NWU Vaal Chess Open 12 Oct 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-10-12	rnd 5	type Standard	result 1	date 2024-12-07	rnd 3	type Standard	result 1
		Opponent Masitenyane, L (Letlotlo)				Opponent Theron, F (Francois)
2	3	Tournament Sedibeng East D7 Teams Trials 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-08-16	rnd 1	type Standard	result 1
		Opponent Van Heerden, S (Sian)				Opponent Sampson, C (Cadon)
3	2	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Zemedkun, S (Surprise)				Opponent Mokoena, O (Oarabetse)

#	Games	Start				End
1	2	Tournament Destinata Rapid Open 025				Tournament Destinata Rapid Open 025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 4	type Rapid	result 1
		Opponent van Schalkwyk, A (Alyssa)				Opponent van der Walt, K (Kiera)
2	1	Tournament HS Overvaal Rapid 12 Apr 2025				Tournament HS Overvaal Rapid 12 Apr 2025
		date 2025-04-12	rnd 5	type Rapid	result 1	date 2025-04-12	rnd 5	type Rapid	result 1
		Opponent Nagel, A (Abigail)				Opponent Nagel, A (Abigail)
3	1	Tournament HS Overvaal Rapid 12 Apr 2025				Tournament HS Overvaal Rapid 12 Apr 2025
		date 2025-04-12	rnd 2	type Rapid	result 1	date 2025-04-12	rnd 2	type Rapid	result 1
		Opponent Theletsane, O (Oratile)				Opponent Theletsane, O (Oratile)

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	Myburgh ,V (Vaughn)	5	0	-425	4	0	-425	1	0	-425	0	0	0
1	Myburgh ,V (Vaughn)	5	1341.8	916.8	4	1332.1	916.8	1	1278.5	916.8	0	0	0
2	van der Walt ,K (Kiera)	4	2	0	3	1	-141.7	1	1	425	0	0	0
2	van der Walt ,K (Kiera)	4	1341.9	1341.9	3	1334.1	1200.3	1	1195.5	1766.9	0	0	0
3	Sampson ,C (Cadon)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
3	Sampson ,C (Cadon)	3	1371.7	1371.7	3	1367.7	1371.7	0	0	0	0	0	0
4	Viviers ,W (Wiaan)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
4	Viviers ,W (Wiaan)	3	1300.5	1017.2	3	1307.4	1017.2	0	0	0	0	0	0
5	Nagel ,D (Divan)	3	0	-425	3	0	-425	0	0	0	0	0	0
5	Nagel ,D (Divan)	3	1421.7	996.7	3	1415.7	996.7	0	0	0	0	0	0
6	Emanuel ,C (Caitlin)	3	0	-425	2	0	-425	1	0	-425	0	0	0
6	Emanuel ,C (Caitlin)	3	1372.6	947.6	2	1358.5	947.6	1	1292.6	947.6	0	0	0
7	Komane ,L (Lethabo)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Komane ,L (Lethabo)	2	1213.8	788.8	2	1215.2	788.8	0	0	0	0	0	0
8	Kruger ,J (Juanika)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Kruger ,J (Juanika)	2	1221.9	796.9	2	1219.9	796.9	0	0	0	0	0	0
9	Mogorosi ,P (Pako)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
9	Mogorosi ,P (Pako)	2	1373.2	1160.7	2	1344	1160.7	0	0	0	0	0	0
10	Tlou ,LI (Lefa Isaac)	2	1	0	2	1	0	0	0	0	0	0	0
10	Tlou ,LI (Lefa Isaac)	2	1123.8	1123.8	2	1117.1	1123.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Esterhuizen, E (Erich)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms