Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koegelenberg, O (Oscar)

Chess SA id

1080109851

FIDE id

Date of birth

2008-11-08 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-05-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1156.4	1171.6	1170	1200
Raw rating	1156.4	1171.6	1170	1200
Weighted rating	1156.4	1171.6	1170	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	176.4	172.7	173.1	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1156.4	1171.6	1170	1200
Analysis
Rating	1156.4	1171.6	1170	1200
Raw rating	1156.4	1171.6	1170	1200
Weighted rating	1156.4	1171.6	1170
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	176.4	172.7	173.1	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	1156.4	1171.6	1170	1200
New weighted rating	1156.4	1171.6	1170	1200
New weighted performance	0	0	0	0
Temp new rating	1156.4	1171.6	1170	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1156.4	1171.6	1170	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	10	5	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	10	4	40	-85	1135.8	1050.8
Standard	5	2	40	-85	1170.5	1085.5
Rapid	5	2	40	-85	1101.2	1016.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1156.4	1171.6	1170	1200
2025-09-01	1156.4	1171.6	1170	1200
2025-08-01	1156.4	1171.6	1170	1200
2025-07-01	1156.4	1171.6	1170	1200
2025-06-01	1156.4	1171.6	1170	1200
2025-05-01	1156.4	1171.6	1170	1200
2025-04-01	1156.4	1171.6	1170	1200
2025-03-01	1156.4	1171.6	1170	1200
2025-02-01	1156.4	1171.6	1170	1200
2025-01-01	1156.4	1171.6	1170	1200
2024-12-01	1156.4	1171.6	1170	1200
2024-11-01	1156.4	1171.6	1170	1200
2024-10-01	1156.4	1171.6	1170	1200
2024-09-01	1156.4	1171.6	1170	1200
2024-08-01	1156.4	1171.6	1170	1200
2024-07-01	1156.4	1171.6	1170	1200
2024-06-01	1156.4	1171.6	1170	1200
2024-08-01	1156.4	1171.6	1170	1200
2024-04-01	1156.4	1171.6	1170	1200
2024-03-01	1156.4	1171.6	1170	1200
2024-02-01	1156.4	1171.6	1170	1200
2024-01-01	1156.4	1171.6	1170	1200
2023-12-01	1156.4	1171.6	1170	1200
2023-11-01	1156.4	1171.6	1170	1200

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	Stellenberg Youth Chess Championship 2019 (D)	2019-05-01	2019-05-01	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
2	Welgemoed Chess Challenge 2019 (U12)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 3	type Rapid	result 1	date 2019-02-23	rnd 4	type Rapid	result 1
		Opponent Siebert, E (Emily)				Opponent Cornelissen, A (Aidan)
2	1	Tournament Stellenberg Youth Chess Championship 2019				Tournament Stellenberg Youth Chess Championship 2019
		date 2019-05-01	rnd 3	type Standard	result 1	date 2019-05-01	rnd 3	type Standard	result 1
		Opponent Leenderts, S (Shanique)				Opponent Leenderts, S (Shanique)
3	1	Tournament Stellenberg Youth Chess Championship 2019				Tournament Stellenberg Youth Chess Championship 2019
		date 2019-05-01	rnd 1	type Standard	result 1	date 2019-05-01	rnd 1	type Standard	result 1
		Opponent Roux, J (Jamie)				Opponent Roux, J (Jamie)

#	Games	Start				End
1	1	Tournament Stellenberg Youth Chess Championship 2019				Tournament Stellenberg Youth Chess Championship 2019
		date 2019-05-01	rnd 3	type Standard	result 1	date 2019-05-01	rnd 3	type Standard	result 1
		Opponent Leenderts, S (Shanique)				Opponent Leenderts, S (Shanique)
2	1	Tournament Stellenberg Youth Chess Championship 2019				Tournament Stellenberg Youth Chess Championship 2019
		date 2019-05-01	rnd 1	type Standard	result 1	date 2019-05-01	rnd 1	type Standard	result 1
		Opponent Roux, J (Jamie)				Opponent Roux, J (Jamie)

#	Games	Start				End
1	2	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 3	type Rapid	result 1	date 2019-02-23	rnd 4	type Rapid	result 1
		Opponent Siebert, E (Emily)				Opponent Cornelissen, A (Aidan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 3	type Rapid	result 1	date 2019-02-23	rnd 4	type Rapid	result 1
		Opponent Siebert, E (Emily)				Opponent Cornelissen, A (Aidan)
2	1	Tournament Stellenberg Youth Chess Championship 2019				Tournament Stellenberg Youth Chess Championship 2019
		date 2019-05-01	rnd 3	type Standard	result 1	date 2019-05-01	rnd 3	type Standard	result 1
		Opponent Leenderts, S (Shanique)				Opponent Leenderts, S (Shanique)
3	1	Tournament Stellenberg Youth Chess Championship 2019				Tournament Stellenberg Youth Chess Championship 2019
		date 2019-05-01	rnd 1	type Standard	result 1	date 2019-05-01	rnd 1	type Standard	result 1
		Opponent Roux, J (Jamie)				Opponent Roux, J (Jamie)

#	Games	Start				End
1	1	Tournament Stellenberg Youth Chess Championship 2019				Tournament Stellenberg Youth Chess Championship 2019
		date 2019-05-01	rnd 3	type Standard	result 1	date 2019-05-01	rnd 3	type Standard	result 1
		Opponent Leenderts, S (Shanique)				Opponent Leenderts, S (Shanique)
2	1	Tournament Stellenberg Youth Chess Championship 2019				Tournament Stellenberg Youth Chess Championship 2019
		date 2019-05-01	rnd 1	type Standard	result 1	date 2019-05-01	rnd 1	type Standard	result 1
		Opponent Roux, J (Jamie)				Opponent Roux, J (Jamie)

#	Games	Start				End
1	2	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 3	type Rapid	result 1	date 2019-02-23	rnd 4	type Rapid	result 1
		Opponent Siebert, E (Emily)				Opponent Cornelissen, A (Aidan)

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	Roux ,J (Jamie)	1	1	425	1	1	425	0	0	0	0	0	0
1	Roux ,J (Jamie)	1	1144.5	1569.5	1	1142.6	1569.5	0	0	0	0	0	0
2	Mfundisi ,M (Mlibo)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mfundisi ,M (Mlibo)	1	1148.5	723.5	1	1183	723.5	0	0	0	0	0	0
3	Leenderts ,S (Shanique)	1	1	425	1	1	425	0	0	0	0	0	0
3	Leenderts ,S (Shanique)	1	1199.2	1624.2	1	1204.4	1624.2	0	0	0	0	0	0
4	Viljoen ,W (Wynand)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Viljoen ,W (Wynand)	1	1082.7	657.7	1	1052.4	657.7	0	0	0	0	0	0
5	Lau ,C (Callum)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Lau ,C (Callum)	1	1277.6	852.6	1	1274.7	852.6	0	0	0	0	0	0
6	Cornelissen ,A (Aidan)	1	1	425	0	0	0	1	1	425	0	0	0
6	Cornelissen ,A (Aidan)	1	1007.4	1432.4	0	0	0	1	1140.4	1432.4	0	0	0
7	Siwa ,I (Inako)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Siwa ,I (Inako)	1	1139.3	714.3	0	0	0	1	1097.2	714.3	0	0	0
8	Bester ,C (Christoff)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Bester ,C (Christoff)	1	1058.5	633.5	0	0	0	1	1105.2	633.5	0	0	0
9	Siebert ,E (Emily)	1	1	425	0	0	0	1	1	425	0	0	0
9	Siebert ,E (Emily)	1	1096.1	1521.1	0	0	0	1	1200	1521.1	0	0	0
10	Lappeman ,A (Andrew)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Lappeman ,A (Andrew)	1	1204.6	779.6	0	0	0	1	1202.8	779.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Koegelenberg, O (Oscar)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms