Chess South Africa Ratings Database

PLAYER PAGE

Personal

Engelbrecht, O (Onyx)

Chess SA id

1160193257

FIDE id

Date of birth

2016-06-24 (U10)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1208.9	1200	1218.4	1194.4
Raw rating	1200	1200	1218.4	1164
Weighted rating	1208.9	1200	1217.8	1194.4
Weighted performance	0	0	0	0
Floor	711	700	718.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.8	165.8	161.5	174.5
Highest rating	1224.5 2024-02-01	1200 2024-02-01	1289 2024-02-01	1200 2024-02-01
Highest raw rating	1211 2024-03-01	1200 2024-02-01	1218.4 2024-03-01	1200 2024-02-01
Highest weighted rating	1211 2024-10-01	1200 2024-02-01	1218.4 2024-10-01	1200 2024-02-01
Highest weighted performance	1224.5 2024-02-01	1200 2024-02-01	1289 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.7	0	0	-2.6
New rating	1208.3	1200	1218.4	1191.7
Analysis
Rating	1208.9	1200	1218.4	1194.4
Raw rating	1200	1200	1218.4	1164
Weighted rating	1208.9	1200	1217.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	711	700	718.4	700
Max/Min rating change allowed	165.8	165.8	161.5	174.5
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	1200	1200	1218.4	1164
New weighted rating	1208.3	1200	1218	1191.7
New weighted performance	0	0	0	0
Temp new rating	1208.3	1200	1218.4	1191.7
Temp new rating +/-	-0.7	0	0	-2.6
Final new rating +/-	-0.7	0	0	-2.6
New rating	1208.3	1200	1218.4	1191.7
New K-factor	36	36	36	36
New floor	711	700	718.4	700

Item	Main	Rapid	Blitz
	0	0	0
	4	0	4
	5	5	0
	0	0	0
	0	0	0
	0	0	0
History	9	5	4

Games since
	Main 9	Standard 0		Rapid 5		Blitz 4
Gender	Male
Age group	U10
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	4	1	25	-212.5	1200	987.5
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	4	1	25	-212.5	1200	987.5
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	4	44.44	-47.2	1200	1152.8
Standard	0	0	0	0	0	0
Rapid	5	3	60	85	1200	1285
Blitz	4	1	25	-212.5	1200	987.5

Date	Main	Standard	Rapid	Blitz
2025-09-30	1200	1200	1218.4	1164
2025-09-01	1200	1200	1218.4	1164
2025-08-01	1211	1200	1218.4	1200
2025-07-01	1211	1200	1218.4	1200
2025-06-01	1211	1200	1218.4	1200
2025-05-01	1211	1200	1218.4	1200
2025-04-01	1211	1200	1218.4	1200
2025-03-01	1211	1200	1218.4	1200
2025-02-01	1211	1200	1218.4	1200
2025-01-01	1211	1200	1218.4	1200
2024-12-01	1211	1200	1218.4	1200
2024-11-01	1211	1200	1218.4	1200
2024-10-01	1211	1200	1218.4	1200
2024-09-01	1211	1200	1218.4	1200
2024-08-01	1211	1200	1218.4	1200
2024-07-01	1211	1200	1218.4	1200
2024-06-01	1211	1200	1218.4	1200
2024-08-01	1211	1200	1218.4	1200
2024-04-01	1211	1200	1218.4	1200
2024-03-01	1211	1200	1218.4	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Swellies vs Buffeljagsrvier 2025	2025-08-06	2025-08-06	Blitz	Overberg (WOS)	4	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Swellies vs Buffeljagsrvier 2025	2025-08-06	2025-08-06	Blitz	Overberg (WOS)	4	4	1	Yes	Analysis
2	Overberg Swellendam Primary Schools Zone Trails Region 2 2024 (U9+U11)	2024-02-10	2024-02-10	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 3	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Arnoldus, X (Xayrude)				Opponent Extroo, J (Joshua)
2	2	Tournament Swellies vs Buffeljagsrvier 2025				Tournament Swellies vs Buffeljagsrvier 2025
		date 2025-08-06	rnd 3	type Blitz	result 0.5	date 2025-08-06	rnd 4	type Blitz	result 0.5
		Opponent Venter, J (Janko)				Opponent Jonas, R (Rikyle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 3	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Arnoldus, X (Xayrude)				Opponent Extroo, J (Joshua)

#	Games	Start				End
1	2	Tournament Swellies vs Buffeljagsrvier 2025				Tournament Swellies vs Buffeljagsrvier 2025
		date 2025-08-06	rnd 3	type Blitz	result 0.5	date 2025-08-06	rnd 4	type Blitz	result 0.5
		Opponent Venter, J (Janko)				Opponent Jonas, R (Rikyle)

#	Games	Start				End
1	3	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 3	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Arnoldus, X (Xayrude)				Opponent Extroo, J (Joshua)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 3	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Arnoldus, X (Xayrude)				Opponent Extroo, J (Joshua)

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	Smith ,C (Celia)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Smith ,C (Celia)	1	1200	775	0	0	0	1	1200	775	0	0	0
2	Arnoldus ,X (Xayrude)	1	1	425	0	0	0	1	1	425	0	0	0
2	Arnoldus ,X (Xayrude)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
3	Stuurman ,C (Caithline)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Stuurman ,C (Caithline)	1	1200	775	0	0	0	1	1200	775	0	0	0
4	Coulsen ,D (Danilo)	1	1	425	0	0	0	1	1	425	0	0	0
4	Coulsen ,D (Danilo)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Extroo ,J (Joshua)	1	1	425	0	0	0	1	1	425	0	0	0
5	Extroo ,J (Joshua)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Mathews ,M (Miesha)	1	0	-425	0	0	0	0	0	0	1	0	-425
6	Mathews ,M (Miesha)	1	1200	775	0	0	0	0	0	0	1	1200	775
7	Jonas ,R (Rikyle)	1	0.5	0	0	0	0	0	0	0	1	0.5	0
7	Jonas ,R (Rikyle)	1	1200	1200	0	0	0	0	0	0	1	1200	1200
8	Venter ,J (Janko)	1	0.5	0	0	0	0	0	0	0	1	0.5	0
8	Venter ,J (Janko)	1	1200	1200	0	0	0	0	0	0	1	1200	1200
9	Nel ,W (Will)	1	0	-425	0	0	0	0	0	0	1	0	-425
9	Nel ,W (Will)	1	1200	775	0	0	0	0	0	0	1	1200	775

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Engelbrecht, O (Onyx)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms