Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oostendorp, E (Ethan)

Chess SA id

1060130478

FIDE id

Date of birth

2006-02-09 (U20)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-03-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1156.3	1169.7	1158.4	1200
Raw rating	1156.3	1169.7	1158.4	1200
Weighted rating	1156.3	1169.7	1158.4	1200
Weighted performance	409.4	0	0	0
Floor	735.9	738.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	176.5	173.1	175.9	165.8
Highest rating	1267.3 2020-02-01	1261.9 2020-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1235.9 2020-03-01	1238.8 2020-03-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1235.9 2020-03-01	1238.8 2020-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1267.3 2020-02-01	1261.9 2020-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1156.3	1169.7	1158.4	1200
Analysis
Rating	1156.3	1169.7	1158.4	1200
Raw rating	1156.3	1169.7	1158.4	1200
Weighted rating	1156.3	1169.7	1158.4
Weighted performance	409.4	0	0
K-factor	36	36	36	36
Floor	735.9	738.8	700	700
Max/Min rating change allowed	176.5	173.1	175.9	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	1156.3	1169.7	1158.4	1200
New weighted rating	1156.3	1169.7	1158.4	1200
New weighted performance	409	0	0	0
Temp new rating	1156.3	1169.7	1158.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1156.3	1169.7	1158.4	1200
New K-factor	36	36	36	36
New floor	735.9	738.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	0	5
	0	0	0
History	27	22	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
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	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	27	12	44.44	-47.2	1202	1154.8
Standard	22	10.5	47.73	-19.3	1204.4	1185.1
Rapid	5	1.5	30	-170	1191.3	1021.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1156.3	1169.7	1158.4	1200
2025-09-01	1156.3	1169.7	1158.4	1200
2025-08-01	1156.3	1169.7	1158.4	1200
2025-07-01	1156.3	1169.7	1158.4	1200
2025-06-01	1156.3	1169.7	1158.4	1200
2025-05-01	1156.3	1169.7	1158.4	1200
2025-04-01	1156.3	1169.7	1158.4	1200
2025-03-01	1156.3	1169.7	1158.4	1200
2025-02-01	1156.3	1169.7	1158.4	1200
2025-01-01	1156.3	1169.7	1158.4	1200
2024-12-01	1156.3	1169.7	1158.4	1200
2024-11-01	1156.3	1169.7	1158.4	1200
2024-10-01	1156.3	1169.7	1158.4	1200
2024-09-01	1156.3	1169.7	1158.4	1200
2024-08-01	1156.3	1169.7	1158.4	1200
2024-07-01	1156.3	1169.7	1158.4	1200
2024-06-01	1156.3	1169.7	1158.4	1200
2024-08-01	1156.3	1169.7	1158.4	1200
2024-04-01	1156.3	1169.7	1158.4	1200
2024-03-01	1156.3	1169.7	1158.4	1200
2024-02-01	1156.3	1169.7	1158.4	1200
2024-01-01	1156.3	1169.7	1158.4	1200
2023-12-01	1156.3	1169.7	1158.4	1200
2023-11-01	1156.3	1169.7	1158.4	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	2022 East Dist Individuals (U18)	2022-03-13	2022-03-13	Rapid	Cape Town (WCT)	6	5	1.5	Yes	Analysis
2	2020 Western Province Open (Prestige)	2020-03-07	2020-03-08	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
3	Northern Chess Cadet Series 2020 (C)	2020-02-15	2020-02-15	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
4	2020 East District Individuals (U15)	2020-01-31	2020-02-01	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
5	2020 Cape Of Good Hope Open (Open)	2020-02-21	2020-02-23	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2020 East District Individuals				Tournament Northern Chess Cadet Series 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Sekhamane, L (Lebohang)				Opponent Makeka, D (Deneo)
2	3	Tournament 2020 Cape Of Good Hope Open				Tournament 2020 Cape Of Good Hope Open
		date 2020-02-22	rnd 2	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent Rule, C (Calem)				Opponent Van Schaik, K (Kayla)
3	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 3	type Rapid	result 0.5	date 2022-03-13	rnd 4	type Rapid	result 1
		Opponent Jacobs, C (Caitlin)				Opponent Cornelius, C (Caitlin)

#	Games	Start				End
1	5	Tournament 2020 East District Individuals				Tournament Northern Chess Cadet Series 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Sekhamane, L (Lebohang)				Opponent Makeka, D (Deneo)
2	3	Tournament 2020 Cape Of Good Hope Open				Tournament 2020 Cape Of Good Hope Open
		date 2020-02-22	rnd 2	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent Rule, C (Calem)				Opponent Van Schaik, K (Kayla)
3	1	Tournament 2020 Western Province Open				Tournament 2020 Western Province Open
		date 2020-03-08	rnd 5	type Standard	result 1	date 2020-03-08	rnd 5	type Standard	result 1
		Opponent Fani, Z (Zimi)				Opponent Fani, Z (Zimi)

#	Games	Start				End
1	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 3	type Rapid	result 0.5	date 2022-03-13	rnd 4	type Rapid	result 1
		Opponent Jacobs, C (Caitlin)				Opponent Cornelius, C (Caitlin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2020 East District Individuals				Tournament Northern Chess Cadet Series 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Sekhamane, L (Lebohang)				Opponent Makeka, D (Deneo)
2	3	Tournament 2020 Cape Of Good Hope Open				Tournament 2020 Cape Of Good Hope Open
		date 2020-02-22	rnd 2	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent Rule, C (Calem)				Opponent Van Schaik, K (Kayla)
3	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 4	type Rapid	result 1	date 2022-03-13	rnd 4	type Rapid	result 1
		Opponent Cornelius, C (Caitlin)				Opponent Cornelius, C (Caitlin)

#	Games	Start				End
1	5	Tournament 2020 East District Individuals				Tournament Northern Chess Cadet Series 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Sekhamane, L (Lebohang)				Opponent Makeka, D (Deneo)
2	3	Tournament 2020 Cape Of Good Hope Open				Tournament 2020 Cape Of Good Hope Open
		date 2020-02-22	rnd 2	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent Rule, C (Calem)				Opponent Van Schaik, K (Kayla)
3	1	Tournament 2020 Western Province Open				Tournament 2020 Western Province Open
		date 2020-03-08	rnd 5	type Standard	result 1	date 2020-03-08	rnd 5	type Standard	result 1
		Opponent Fani, Z (Zimi)				Opponent Fani, Z (Zimi)

#	Games	Start				End
1	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 4	type Rapid	result 1	date 2022-03-13	rnd 4	type Rapid	result 1
		Opponent Cornelius, C (Caitlin)				Opponent Cornelius, C (Caitlin)

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	Francke ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Francke ,M (Matthew)	1	1250.6	825.6	1	1205.8	825.6	0	0	0	0	0	0
2	Fam-Fam ,L (Liyabona)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Fam-Fam ,L (Liyabona)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Van Schaik ,K (Kayla)	1	1	425	1	1	425	0	0	0	0	0	0
3	Van Schaik ,K (Kayla)	1	1301.9	1726.9	1	1285.5	1726.9	0	0	0	0	0	0
4	Mutunhire ,R (Roy)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mutunhire ,R (Roy)	1	1325.9	900.9	1	1324.6	900.9	0	0	0	0	0	0
5	Joubert ,C (Chelsey)	1	1	425	1	1	425	0	0	0	0	0	0
5	Joubert ,C (Chelsey)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Theron ,CT (Chris Tiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Theron ,CT (Chris Tiaan)	1	1277.1	852.1	1	1275.8	852.1	0	0	0	0	0	0
7	Capes ,K (Kyle)	1	1	425	1	1	425	0	0	0	0	0	0
7	Capes ,K (Kyle)	1	1044.8	1469.8	1	1092.3	1469.8	0	0	0	0	0	0
8	Gukuta ,N (Nyasha)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Gukuta ,N (Nyasha)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Drury ,N (Nicholas)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Drury ,N (Nicholas)	1	1172.6	747.6	1	1167.4	747.6	0	0	0	0	0	0
10	Macheka ,C (Clayton)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Macheka ,C (Clayton)	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

Tournaments

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PLAYER PAGE

Personal

Oostendorp, E (Ethan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms