Chess South Africa Ratings Database

PLAYER PAGE

Personal

Breytenbach, E (Ewan)

Chess SA id

1150147656

FIDE id

Date of birth

2015-08-11 (U12)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1045.3

Item	Main	Standard	Rapid	Blitz
Rating	1165.3	1156.5	1200	1200
Raw rating	1145.2	1133.5	1200	1200
Weighted rating	1165.3	1156.5	1200	1200
Weighted performance	921.4	919.3	0	0
Floor	737.5	746	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	179.3	182.3	165.8	165.8
Highest rating	1398.9 2022-10-01	1400.9 2022-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1237.5 2022-11-01	1246 2022-11-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1237.5 2023-02-01	1246 2023-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1398.9 2022-10-01	1400.9 2022-10-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.8	-2.1	0	0
New rating	1163.5	1154.4	1200	1200
Analysis
Rating	1165.3	1156.5	1200	1200
Raw rating	1145.2	1133.5	1200	1200
Weighted rating	1165.3	1156.5	1200
Weighted performance	921.4	919.3	0
K-factor	36	36	36	36
Floor	737.5	746	700	700
Max/Min rating change allowed	179.3	182.3	165.8	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	1145.2	1133.5	1200	1200
New weighted rating	1163.5	1154.4	1200	1200
New weighted performance	921.1	918.9	0	0
Temp new rating	1163.5	1154.4	1200	1200
Temp new rating +/-	-1.8	-2.1	0	0
Final new rating +/-	-1.8	-2.1	0	0
New rating	1163.5	1154.4	1200	1200
New K-factor	36	36	36	36
New floor	737.5	746	700	700

Item	Main	Standard
	0	0
	8	8
	10	10
	10	10
	5	5
	0	0
History	33	33

Games since
	Main 23	Standard 23		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	8	1	12.5	-318.8	1241.7	922.9
Standard	8	1	12.5	-318.8	1241.7	922.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	33	12	36.36	-115.9	1221.5	1105.6
Standard	33	12	36.36	-115.9	1221.5	1105.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1145.2	1133.5	1200	1200
2025-09-01	1145.2	1133.5	1200	1200
2025-08-01	1170.8	1162.8	1200	1200
2025-07-01	1170.8	1162.8	1200	1200
2025-06-01	1170.8	1162.8	1200	1200
2025-05-01	1170.8	1162.8	1200	1200
2025-04-01	1170.8	1162.8	1200	1200
2025-03-01	1168.6	1160.3	1200	1200
2025-02-01	1175	1169.3	1200	1200
2025-01-01	1175	1169.3	1200	1200
2024-12-01	1175	1169.3	1200	1200
2024-11-01	1161.9	1151.3	1200	1200
2024-10-01	1161.9	1151.3	1200	1200
2024-09-01	1161.9	1151.3	1200	1200
2024-08-01	1161.9	1151.3	1200	1200
2024-07-01	1161.9	1151.3	1200	1200
2024-06-01	1161.9	1151.3	1200	1200
2024-08-01	1161.9	1151.3	1200	1200
2024-04-01	1161.9	1151.3	1200	1200
2024-03-01	1161.9	1151.3	1200	1200
2024-02-01	1183.7	1178.3	1200	1200
2024-01-01	1183.7	1178.3	1200	1200
2023-12-01	1183.7	1178.3	1200	1200
2023-11-01	1183.7	1178.3	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 Tshwane South School District CLOSED League Championship (U11B)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
2	Constantiapark Open 2025 (U12)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U11B)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
2	Constantiapark Open 2025 (U12)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
3	Lardies Ope 2024 (U10)	2024-10-26	2024-10-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	2024 Constantiapark Open (E)	2024-02-17	2024-02-17	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	Lardies Open Tournament 2023 (E)	2023-10-28	2023-10-28	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	Laerskool Constantiapark Open Chess Tournament 2023 (U10)	2023-02-18	2023-02-18	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
7	Lardies Tournament 2022 (U8)	2022-10-29	2022-10-29	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Lardies Tournament 2022				Tournament Lardies Tournament 2022
		date 2022-10-29	rnd 1	type Standard	result 0.5	date 2022-10-29	rnd 5	type Standard	result 0.5
		Opponent Pilane, O (Ogone)				Opponent Vermaak, A (Alri)
2	2	Tournament Laerskool Constantiapark Open Chess Tournament 2023				Tournament Lardies Open Tournament 2023
		date 2023-02-18	rnd 5	type Standard	result 0.5	date 2023-10-28	rnd 1	type Standard	result 1
		Opponent Kleynhans, M (Magnus)				Opponent Stofberg, A (Anze)
3	1	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 2	type Standard	result 1	date 2025-08-15	rnd 2	type Standard	result 1
		Opponent Malan, D (Divan)				Opponent Malan, D (Divan)

#	Games	Start				End
1	5	Tournament Lardies Tournament 2022				Tournament Lardies Tournament 2022
		date 2022-10-29	rnd 1	type Standard	result 0.5	date 2022-10-29	rnd 5	type Standard	result 0.5
		Opponent Pilane, O (Ogone)				Opponent Vermaak, A (Alri)
2	2	Tournament Laerskool Constantiapark Open Chess Tournament 2023				Tournament Lardies Open Tournament 2023
		date 2023-02-18	rnd 5	type Standard	result 0.5	date 2023-10-28	rnd 1	type Standard	result 1
		Opponent Kleynhans, M (Magnus)				Opponent Stofberg, A (Anze)
3	1	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 2	type Standard	result 1	date 2025-08-15	rnd 2	type Standard	result 1
		Opponent Malan, D (Divan)				Opponent Malan, D (Divan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 2	type Standard	result 1	date 2025-08-15	rnd 2	type Standard	result 1
		Opponent Malan, D (Divan)				Opponent Malan, D (Divan)
2	1	Tournament Lardies Ope 2024				Tournament Lardies Ope 2024
		date 2024-10-26	rnd 4	type Standard	result 1	date 2024-10-26	rnd 4	type Standard	result 1
		Opponent Kors, C (Cole)				Opponent Kors, C (Cole)
3	1	Tournament Lardies Ope 2024				Tournament Lardies Ope 2024
		date 2024-10-26	rnd 2	type Standard	result 1	date 2024-10-26	rnd 2	type Standard	result 1
		Opponent Seri, G (Giuliana)				Opponent Seri, G (Giuliana)

#	Games	Start				End
1	1	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 2	type Standard	result 1	date 2025-08-15	rnd 2	type Standard	result 1
		Opponent Malan, D (Divan)				Opponent Malan, D (Divan)
2	1	Tournament Lardies Ope 2024				Tournament Lardies Ope 2024
		date 2024-10-26	rnd 4	type Standard	result 1	date 2024-10-26	rnd 4	type Standard	result 1
		Opponent Kors, C (Cole)				Opponent Kors, C (Cole)
3	1	Tournament Lardies Ope 2024				Tournament Lardies Ope 2024
		date 2024-10-26	rnd 2	type Standard	result 1	date 2024-10-26	rnd 2	type Standard	result 1
		Opponent Seri, G (Giuliana)				Opponent Seri, G (Giuliana)

No games found.

#	Games	Start				End

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	Fourie ,M (Marchant)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Fourie ,M (Marchant)	2	1207.7	782.7	2	1200.6	782.7	0	0	0	0	0	0
2	Rocher ,G (Gideon)	1	1	425	1	1	425	0	0	0	0	0	0
2	Rocher ,G (Gideon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Marques ,D (Dian)	1	1	425	1	1	425	0	0	0	0	0	0
3	Marques ,D (Dian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Kgwale ,O (Obotegile)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Kgwale ,O (Obotegile)	1	1190.7	765.7	1	1200	765.7	0	0	0	0	0	0
5	Vosloo ,D (De Waal)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Vosloo ,D (De Waal)	1	1175.8	750.8	1	1168.7	750.8	0	0	0	0	0	0
6	Rakubutu ,P (Pabatso)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Rakubutu ,P (Pabatso)	1	1454.6	1029.6	1	1467.3	1029.6	0	0	0	0	0	0
7	Prinsloo ,F (Francois)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Prinsloo ,F (Francois)	1	1127.3	702.3	1	1112	702.3	0	0	0	0	0	0
8	Coetzee ,A (Adriaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Coetzee ,A (Adriaan)	1	1271.7	846.7	1	1261.9	846.7	0	0	0	0	0	0
9	Khosana ,O (Onalerona)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Khosana ,O (Onalerona)	1	1392.9	967.9	1	1392	967.9	0	0	0	0	0	0
10	Vorster ,J (James)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Vorster ,J (James)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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Personal

Breytenbach, E (Ewan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms