Chess South Africa Ratings Database

PLAYER PAGE

Personal

Eberwein, HJ (Heinrich Jurgen)

Chess SA id

1070098052

FIDE id

Date of birth

2007-09-26 (U20)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1407.4	1435	1053.6	956
Raw rating	1407.4	1435	1053.6	956
Weighted rating	1366.6	1382.9	1048.1	956
Weighted performance	1270.5	1296.8	0	0
Floor	907.4	935	553.6	500
K-factor	32	32	40	40
Min/Max rating change allowed	123.4	118.6	204.3	234.7
Highest rating	1407.4 2025-09-01	1435 2025-09-01	1280.5 2023-06-01	1200 2024-02-01
Highest raw rating	1407.4 2025-09-01	1435 2025-09-01	1053.6 2024-11-01	956 2024-02-01
Highest weighted rating	1362.8 2025-09-01	1377.7 2025-09-01	1053.6 2024-11-01	956 2024-11-01
Highest weighted performance	1398 2023-11-01	1393.2 2023-11-01	1280.5 2023-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1407.4	1435	1053.6	956
Analysis
Rating	1407.4	1435	1053.6	956
Raw rating	1407.4	1435	1053.6	956
Weighted rating	1366.6	1382.9	1048.1
Weighted performance	1270.5	1296.8	0
K-factor	32	32	40	40
Floor	907.4	935	553.6	500
Max/Min rating change allowed	123.4	118.6	204.3	234.7
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	1407.4	1435	1053.6	956
New weighted rating	1370.1	1387.6	1048.9	956
New weighted performance	1270	1296.3	0	0
Temp new rating	1407.4	1435	1053.6	956
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1407.4	1435	1053.6	956
New K-factor	32	32	40	40
New floor	907.4	935	553.6	500

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	22	18	4
	49	44	5
	35	35	0
	5	5	0
History	264	255	9

Games since
	Main 37	Standard 33		Rapid 4		Blitz 0
Gender	Male
Age group	U20
Region	Sedibeng (GSV)
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	1716		647		58
Male	1429		531		50
U20	153		54		5
U20 Male	124		41		4
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	5	5	100	425	1215.1	1640.1
Standard	5	5	100	425	1215.1	1640.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	264	146	55.3	45.1	1144.7	1189.8
Standard	255	140.5	55.1	43.3	1139.7	1183
Rapid	9	5.5	61.11	94.4	1288	1382.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1407.4	1435	1053.6	956
2025-09-01	1407.4	1435	1053.6	956
2025-08-01	1359	1377.2	1053.6	956
2025-07-01	1359	1377.2	1053.6	956
2025-06-01	1359	1377.2	1053.6	956
2025-05-01	1359	1377.2	1053.6	956
2025-04-01	1359	1377.2	1053.6	956
2025-03-01	1359	1377.2	1053.6	956
2025-02-01	1359	1377.2	1053.6	956
2025-01-01	1359	1377.2	1053.6	956
2024-12-01	1359	1377.2	1053.6	956
2024-11-01	1359	1377.2	1053.6	956
2024-10-01	1368.5	1377.2	1032.4	956
2024-09-01	1368.5	1377.2	1032.4	956
2024-08-01	1360.1	1366	1032.4	956
2024-07-01	1360.1	1366	1032.4	956
2024-06-01	1360.1	1366	1032.4	956
2024-08-01	1326.9	1325.3	1032.4	956
2024-04-01	1348.7	1354.1	1032.4	956
2024-03-01	1348.7	1354.1	1032.4	956
2024-02-01	1348.7	1354.1	1032.4	956
2024-01-01	1383.6	1378.8	1032.4	956
2023-12-01	1383.6	1378.8	1032.4	956
2023-11-01	1383.6	1378.8	1032.4	956

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	GDE (D8) Sedibeng West Schools - Teams 2025 (U19)	2025-08-16	2025-08-16	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GDE (D8) Sedibeng West Schools - Teams 2025 (U19)	2025-08-16	2025-08-16	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
2	Gauteng Top Schools 2024 (U19 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	4	2	Yes	Analysis
3	Sedibeng West District Schools Chess Team's Championships 2024 (U19)	2024-08-12	2024-08-12	Standard	Sedibeng (GSV)	5	3	2	Yes	Analysis
4	Sedibeng Chess Open 11 May 2024 (U18)	2024-05-11	2024-05-11	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
5	Vaalpark Primary Chess Open 2024 (B)	2024-04-13	2024-04-13	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
6	2024 Gauteng Inter-Region Chess Championship (U18A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
7	Queens Gambit Chess Open 2023 (C)	2023-11-25	2023-11-25	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
8	NWU Vaal Open 2023 (B)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
9	2023 Gauteng Top Schools (U17 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	0	Yes	Analysis
10	2023 Sedibeng West District Schools Chess Tournament (U17+U19)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	4	3.5	Yes	Analysis
11	Overvaal Ope Jul 2023 (A)	2023-07-22	2023-07-22	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
12	Eureka Open 2023 (D)	2023-07-29	2023-07-29	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
13	VaalPark Primary Open Chess 2023 (B)	2023-06-16	2023-06-16	Rapid	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
14	Valia's Chess Tournament 2023 (C)	2023-05-06	2023-05-06	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
15	Driehoek Open Chess Tournament 2023 (C)	2023-09-13	2023-09-13	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
16	Laerkool Midvaal Chess Open 2023 (B)	2023-01-28	2023-01-28	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
17	Overvaal Open 2022 (C)	2022-08-06	2022-08-06	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
18	2022 Gauteng Schools Team Championships (U17 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
19	Eureka Open 2022 (C)	2022-07-30	2022-07-30	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
20	LS Vryheidsmonument Chess Open 2022 (C)	2022-05-07	2022-05-07	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
21	Lux Deo NG Kerk Chess Open 2022 (C)	2022-04-09	2022-04-09	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
22	Dirk De Koster Chess Open 2022 (C)	2022-04-23	2022-04-23	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
23	Midvaal Ope 2022 (C)	2022-01-29	2022-01-29	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
24	Sedibeng Trials 20 November 2021 (B)	2021-11-21	2021-11-21	Standard	Sedibeng (GSV)	5	5	0	Yes	Analysis
25	Hoerskool Drie Riviere 2020 (D)	2020-03-07	2020-03-07	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
26	Carel`s Open 2020 (B)	2020-02-29	2020-02-29	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
27	2019 South African Top Schools Team Championships (U13 Open)	2020-01-10	2020-01-11	Standard	4 Knights (4K)	5	4	1	Yes	Analysis
28	2019 South African Junior Team Championships (U14D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
29	Eagles Open 2019 (B)	2019-11-23	2019-11-23	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
30	Sedibeng DF Malherbe Open 2019 (C)	2019-10-12	2019-10-12	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
31	GE vs GSV Inter Regional 2019 (U14A)	2019-10-26	2019-10-26	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
32	LS Voorwaarts & Dr P Hangelbroek Chess Open 2019 (C)	2019-08-31	2019-08-31	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
33	TST-MSA Chess Open 2019 (D)	2019-07-20	2019-07-20	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
34	Eureka Chess Open 2019 (F)	2019-07-27	2019-07-27	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
35	Vaal Chess Club Open 2019 (C)	2019-06-01	2019-06-01	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
36	Overvaal Chess Open 2019 (D)	2019-06-15	2019-06-15	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
37	Drie Riviere Open 2019 (D)	2019-06-08	2019-06-08	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
38	Amigo Spur Eligwa Chess Open 2019 (C)	2019-05-18	2019-05-18	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
39	Dirk de Koster Chess Open 2019 (D)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
40	Carels Open 2019 (D)	2019-03-02	2019-03-02	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
41	2019 Heidelberg Open (C)	2019-02-02	2019-02-02	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
42	Eagle`s Open 2018 (C)	2018-12-08	2018-12-08	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
43	South African Junior Team Championships 2018 (U12D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	3.5	Yes	Analysis
44	2018 Interregion Sedibeng vs Ekurhuleni (F)	2018-11-03	2018-11-03	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
45	Fonteine Open 2018 (C)	2018-10-13	2018-10-13	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
46	2018 Gauteng League Final (U11)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
47	TST-MSA Tournament 2018 (D)	2018-07-21	2018-07-21	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
48	D8 Team League 2018 (U11)	2018-07-28	2018-07-28	Standard	Sedibeng (GSV)	5	3	2.5	Yes	Analysis
49	Sasolburg Open 2018 (D)	2018-06-02	2018-06-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
50	Hoerskool Drie Riviere Open 2018 (D)	2018-06-09	2018-06-09	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
51	Broadland`s Knights Chess Open 2018 (D)	2018-06-16	2018-06-16	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
52	Word of Life Open 2018 (C)	2018-05-12	2018-05-12	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
53	Henley Open 2018 (C)	2018-03-10	2018-03-10	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
54	Carels Open 2018 (C)	2018-03-03	2018-03-03	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

#	Games	Start				End
1	9	Tournament Dirk de Koster Chess Open 2019				Tournament Amigo Spur Eligwa Chess Open 2019
		date 2019-04-13	rnd 1	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 0.5
		Opponent Mjekelejo, L (Luvuyo)				Opponent Naude, E (Enrique)
2	8	Tournament Eagles Open 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-23	rnd 2	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Mofokeng, S (Sihle)				Opponent Delport, J (James)
3	8	Tournament TST-MSA Tournament 2018				Tournament 2018 Gauteng League Final
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-08-24	rnd 3	type Standard	result 1
		Opponent Roode, J (Jaden)				Opponent Sithole, S (Sanele)

#	Games	Start				End
1	9	Tournament Dirk de Koster Chess Open 2019				Tournament Amigo Spur Eligwa Chess Open 2019
		date 2019-04-13	rnd 1	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 0.5
		Opponent Mjekelejo, L (Luvuyo)				Opponent Naude, E (Enrique)
2	8	Tournament Eagles Open 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-23	rnd 2	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Mofokeng, S (Sihle)				Opponent Delport, J (James)
3	8	Tournament TST-MSA Tournament 2018				Tournament 2018 Gauteng League Final
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-08-24	rnd 3	type Standard	result 1
		Opponent Roode, J (Jaden)				Opponent Sithole, S (Sanele)

#	Games	Start				End
1	4	Tournament VaalPark Primary Open Chess 2023				Tournament VaalPark Primary Open Chess 2023
		date 2023-06-16	rnd 1	type Rapid	result 1	date 2023-06-16	rnd 4	type Rapid	result 1
		Opponent Odendaal, H (Hayden)				Opponent Barnard, M (Martin)
2	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Tivane, L (Lebo)				Opponent Tivane, L (Lebo)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 1	type Rapid	result 1
		Opponent Roscoe, N (Nehiamah)				Opponent Roscoe, N (Nehiamah)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Eagles Open 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-23	rnd 2	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Mofokeng, S (Sihle)				Opponent Delport, J (James)
2	8	Tournament Dirk de Koster Chess Open 2019				Tournament Amigo Spur Eligwa Chess Open 2019
		date 2019-04-13	rnd 1	type Standard	result 1	date 2019-05-18	rnd 3	type Standard	result 1
		Opponent Mjekelejo, L (Luvuyo)				Opponent Jonker, J (Jaen-Pierre)
3	6	Tournament Gauteng Top Schools 2024				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Tivane, L (Lebo)				Opponent Radebe, T (Tshepang)

#	Games	Start				End
1	8	Tournament Eagles Open 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-23	rnd 2	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Mofokeng, S (Sihle)				Opponent Delport, J (James)
2	8	Tournament Dirk de Koster Chess Open 2019				Tournament Amigo Spur Eligwa Chess Open 2019
		date 2019-04-13	rnd 1	type Standard	result 1	date 2019-05-18	rnd 3	type Standard	result 1
		Opponent Mjekelejo, L (Luvuyo)				Opponent Jonker, J (Jaen-Pierre)
3	7	Tournament Sedibeng West District Schools Chess Team's Championships 2024				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2024-08-12	rnd 3	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Ntikane, T (Tshepo)				Opponent Radebe, T (Tshepang)

#	Games	Start				End
1	2	Tournament VaalPark Primary Open Chess 2023				Tournament VaalPark Primary Open Chess 2023
		date 2023-06-16	rnd 3	type Rapid	result 1	date 2023-06-16	rnd 4	type Rapid	result 1
		Opponent Harmse, H (Heinrich)				Opponent Barnard, M (Martin)
2	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Tivane, L (Lebo)				Opponent Tivane, L (Lebo)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 1	type Rapid	result 1
		Opponent Roscoe, N (Nehiamah)				Opponent Roscoe, N (Nehiamah)

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	Mittermaier ,G (Gunther)	5	4	255	5	4	255	0	0	0	0	0	0
1	Mittermaier ,G (Gunther)	5	1232.6	1487.6	5	1243.6	1487.6	0	0	0	0	0	0
2	Barnard ,M (Martin)	5	2.5	0	4	1.5	-106.2	1	1	425	0	0	0
2	Barnard ,M (Martin)	5	1148.6	1148.6	4	1119.3	1042.4	1	701.6	1573.6	0	0	0
3	Kotzee ,A (Armand)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
3	Kotzee ,A (Armand)	4	1369.2	1156.7	4	1365.6	1156.7	0	0	0	0	0	0
4	De Wet ,J (James)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
4	De Wet ,J (James)	4	1115.7	903.2	4	1101.4	903.2	0	0	0	0	0	0
5	Tolmay ,L (Llewellyn)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
5	Tolmay ,L (Llewellyn)	4	1110.9	1004.7	4	1103.8	1004.7	0	0	0	0	0	0
6	Els ,JA (Jeffrey Allan)	4	4	425	4	4	425	0	0	0	0	0	0
6	Els ,JA (Jeffrey Allan)	4	1173.2	1598.2	4	1161.7	1598.2	0	0	0	0	0	0
7	Gladile ,S (Smangele)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
7	Gladile ,S (Smangele)	3	1102.9	1244.5	3	1101.2	1244.5	0	0	0	0	0	0
8	Karsten ,K (Keagan)	3	0	-425	3	0	-425	0	0	0	0	0	0
8	Karsten ,K (Keagan)	3	1259.7	834.7	3	1245	834.7	0	0	0	0	0	0
9	Spamers ,V (Vinaldo)	3	0	-425	3	0	-425	0	0	0	0	0	0
9	Spamers ,V (Vinaldo)	3	1180	755	3	1185.8	755	0	0	0	0	0	0
10	De Lange ,J (Janco)	3	0	-425	3	0	-425	0	0	0	0	0	0
10	De Lange ,J (Janco)	3	1184.9	759.9	3	1179.1	759.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Eberwein, HJ (Heinrich Jurgen)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms