Chess South Africa Ratings Database

PLAYER PAGE

Personal

Serfontein, EB (Etienne Bruere)

Chess SA id

109067368

FIDE id

Date of birth

2009-06-07 (U18)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1158.5	1140.2	775	775
Raw rating	1158.5	1140.2	775	775
Weighted rating	1158.5	1140.2	775	775
Weighted performance	132	129.7	0	0
Floor	658.5	640.2	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	175.9	180.6	303.8	303.8
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1158.5 2024-02-01	1140.2 2024-02-01	775 2024-02-01	775 2024-02-01
Highest weighted rating	1158.5 2024-11-01	1140.2 2024-11-01	775 2024-11-01	775 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1158.5	1140.2	775	775
Analysis
Rating	1158.5	1140.2	775	775
Raw rating	1158.5	1140.2	775	775
Weighted rating	1158.5	1140.2	775
Weighted performance	132	129.7	0
K-factor	40	40	40	40
Floor	658.5	640.2	500	500
Max/Min rating change allowed	175.9	180.6	303.8	303.8
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	1158.5	1140.2	775	775
New weighted rating	1158.5	1140.2	775	775
New weighted performance	131.6	129.3	0	0
Temp new rating	1158.5	1140.2	775	775
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1158.5	1140.2	775	775
New K-factor	40	40	40	40
New floor	658.5	640.2	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	120	104	16

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	45	29	64.44	122.8	964.7	1087.5
Standard	45	29	64.44	122.8	964.7	1087.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1158.5	1140.2	775	775
2025-09-01	1158.5	1140.2	775	775
2025-08-01	1158.5	1140.2	775	775
2025-07-01	1158.5	1140.2	775	775
2025-06-01	1158.5	1140.2	775	775
2025-05-01	1158.5	1140.2	775	775
2025-04-01	1158.5	1140.2	775	775
2025-03-01	1158.5	1140.2	775	775
2025-02-01	1158.5	1140.2	775	775
2025-01-01	1158.5	1140.2	775	775
2024-12-01	1158.5	1140.2	775	775
2024-11-01	1158.5	1140.2	775	775
2024-10-01	1158.5	1140.2	775	775
2024-09-01	1158.5	1140.2	775	775
2024-08-01	1158.5	1140.2	775	775
2024-07-01	1158.5	1140.2	775	775
2024-06-01	1158.5	1140.2	775	775
2024-08-01	1158.5	1140.2	775	775
2024-04-01	1158.5	1140.2	775	775
2024-03-01	1158.5	1140.2	775	775
2024-02-01	1158.5	1140.2	775	775
2024-01-01	1158.5	1140.2	775	775
2023-12-01	1158.5	1140.2	775	775
2023-11-01	1158.5	1140.2	775	775

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	South African Junior Team Championships 2018 (U10A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
2	NMBJC Closed 2018 (U10)	2018-07-27	2018-07-28	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
3	NMBJC Trials 4 2018 (U10)	2018-07-20	2018-07-21	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
4	NMB Second Trials 2018 (U10)	2018-04-20	2018-04-22	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
5	NMB First Trails 2018 (U10)	2018-03-23	2018-03-24	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
6	2018 Boardwalk Pearson Open (B)	2018-03-17	2018-03-18	Standard	Nelson Mandela Bay (ENM)	7	6	2.5	Yes	Analysis
7	Registration Tournament 2018 (B)	2018-02-23	2018-02-24	Standard	Nelson Mandela Bay (ENM)	5	3	3	Yes	Analysis
8	South African Junior Team Championships 2017 (U10A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament South African Junior Team Championships 2017				Tournament 2018 Boardwalk Pearson Open
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-03-17	rnd 3	type Standard	result 1
		Opponent Smit, CJ (Tiaan)				Opponent Balfour, N (Nikita)
2	5	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Labuschagne, I (Ivan)				Opponent Ackerman, J (Johandre)
3	4	Tournament NMBJC Closed 2018				Tournament NMBJC Closed 2018
		date 2018-07-28	rnd 3	type Standard	result 1	date 2018-07-28	rnd 6	type Standard	result 1
		Opponent Jonker, A (Adrian)				Opponent Taljard, J (Julian)

#	Games	Start				End
1	6	Tournament South African Junior Team Championships 2017				Tournament 2018 Boardwalk Pearson Open
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-03-17	rnd 3	type Standard	result 1
		Opponent Smit, CJ (Tiaan)				Opponent Balfour, N (Nikita)
2	5	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Labuschagne, I (Ivan)				Opponent Ackerman, J (Johandre)
3	4	Tournament NMBJC Closed 2018				Tournament NMBJC Closed 2018
		date 2018-07-28	rnd 3	type Standard	result 1	date 2018-07-28	rnd 6	type Standard	result 1
		Opponent Jonker, A (Adrian)				Opponent Taljard, J (Julian)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Labuschagne, I (Ivan)				Opponent Ackerman, J (Johandre)
2	4	Tournament NMB First Trails 2018				Tournament NMB Second Trials 2018
		date 2018-03-24	rnd 5	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 1
		Opponent Le Roux, JC (Jean)				Opponent Spence, K (Kayden)
3	4	Tournament 2018 Boardwalk Pearson Open				Tournament NMB First Trails 2018
		date 2018-03-18	rnd 7	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Loader, D (Daniel)				Opponent Van Der Merwe, L (Lucas)

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Labuschagne, I (Ivan)				Opponent Ackerman, J (Johandre)
2	4	Tournament NMB First Trails 2018				Tournament NMB Second Trials 2018
		date 2018-03-24	rnd 5	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 1
		Opponent Le Roux, JC (Jean)				Opponent Spence, K (Kayden)
3	4	Tournament 2018 Boardwalk Pearson Open				Tournament NMB First Trails 2018
		date 2018-03-18	rnd 7	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Loader, D (Daniel)				Opponent Van Der Merwe, L (Lucas)

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	Van Der Merwe ,L (Lucas)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Van Der Merwe ,L (Lucas)	3	988.5	1130.2	3	974.2	1130.2	0	0	0	0	0	0
2	Pienaar ,K (Keane)	2	2	425	2	2	425	0	0	0	0	0	0
2	Pienaar ,K (Keane)	2	867.3	1292.3	2	850.6	1292.3	0	0	0	0	0	0
3	Peter ,N (Noah)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Peter ,N (Noah)	2	1178.4	753.4	2	1190.2	753.4	0	0	0	0	0	0
4	Crone ,C (Callan)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Crone ,C (Callan)	2	1173.4	748.4	2	1164	748.4	0	0	0	0	0	0
5	De Beer ,K (Karli)	2	2	425	2	2	425	0	0	0	0	0	0
5	De Beer ,K (Karli)	2	709.7	1134.7	2	711.2	1134.7	0	0	0	0	0	0
6	Magudulela ,N (Ndumiso)	1	1	425	1	1	425	0	0	0	0	0	0
6	Magudulela ,N (Ndumiso)	1	771	1196	1	788	1196	0	0	0	0	0	0
7	Labuschagne ,I (Ivan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Labuschagne ,I (Ivan)	1	1148.3	1573.3	1	1128	1573.3	0	0	0	0	0	0
8	Plaatjies ,A (Angelique)	1	1	425	1	1	425	0	0	0	0	0	0
8	Plaatjies ,A (Angelique)	1	964.7	1389.7	1	948.4	1389.7	0	0	0	0	0	0
9	Du Toit ,SJM (Stephanus (Matteo) Johannes Matheus)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Du Toit ,SJM (Stephanus (Matteo) Johannes Matheus)	1	936.6	511.6	1	936.6	511.6	0	0	0	0	0	0
10	Jonker ,A (Adrian)	1	1	425	1	1	425	0	0	0	0	0	0
10	Jonker ,A (Adrian)	1	1054.8	1479.8	1	1046.8	1479.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Serfontein, EB (Etienne Bruere)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms