Chess South Africa Ratings Database

PLAYER PAGE

Personal

Booysen, O (Orin)

Chess SA id

1030098476

FIDE id

Date of birth

2003-10-16 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-01-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	989.2	958	1200	1200
Raw rating	989.2	958	1200	1200
Weighted rating	989.2	958	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	223.9	234.1	165.8	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	989.2	958	1200	1200
Analysis
Rating	989.2	958	1200	1200
Raw rating	989.2	958	1200	1200
Weighted rating	989.2	958	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	223.9	234.1	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	989.2	958	1200	1200
New weighted rating	989.2	958	1200	1200
New weighted performance	0	0	0	0
Temp new rating	989.2	958	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	989.2	958	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	18	18

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	18	6	33.33	-141.7	943.1	801.4
Standard	18	6	33.33	-141.7	943.1	801.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	989.2	958	1200	1200
2025-09-30	989.2	958	1200	1200
2025-09-01	989.2	958	1200	1200
2025-08-01	989.2	958	1200	1200
2025-07-01	989.2	958	1200	1200
2025-06-01	989.2	958	1200	1200
2025-05-01	989.2	958	1200	1200
2025-04-01	989.2	958	1200	1200
2025-03-01	989.2	958	1200	1200
2025-02-01	989.2	958	1200	1200
2025-01-01	989.2	958	1200	1200
2024-12-01	989.2	958	1200	1200
2024-11-01	989.2	958	1200	1200
2024-10-01	989.2	958	1200	1200
2024-09-01	989.2	958	1200	1200
2024-08-01	989.2	958	1200	1200
2024-07-01	989.2	958	1200	1200
2024-09-01	989.2	958	1200	1200
2024-05-01	989.2	958	1200	1200
2024-04-01	989.2	958	1200	1200
2024-03-01	989.2	958	1200	1200
2024-02-01	989.2	958	1200	1200
2024-01-01	989.2	958	1200	1200
2023-12-01	989.2	958	1200	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	Oudtshoorn Trials 3 2019 (U18)	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	0	0	No	Analysis
2	Oudtshoorn Trials 2 2019 (U18)	2019-02-09	2019-02-09	Standard	Eden (WEG)	5	0	0	No	Analysis
3	Oudtshoorn Trials 1 2019 (U18)	2019-01-19	2019-01-19	Standard	Eden (WEG)	5	4	2	Yes	Analysis
4	EDENSC Closed 3 2018 (U16 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	5	1	Yes	Analysis
5	EDENSC Closed 2 2018 (U16 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	4	1	Yes	Analysis
6	EDENSC Closed 1 2018 (U16 Boys)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 2	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Muller, L (Lee-Roy)				Opponent Muller, L (Luzane)
2	1	Tournament Oudtshoorn Trials 1 2019				Tournament Oudtshoorn Trials 1 2019
		date 2019-01-19	rnd 5	type Standard	result 1	date 2019-01-19	rnd 5	type Standard	result 1
		Opponent Williams, J (Johnadino)				Opponent Williams, J (Johnadino)
3	1	Tournament Oudtshoorn Trials 1 2019				Tournament Oudtshoorn Trials 1 2019
		date 2019-01-19	rnd 3	type Standard	result 1	date 2019-01-19	rnd 3	type Standard	result 1
		Opponent Ayford, B (Brendon)				Opponent Ayford, B (Brendon)

#	Games	Start				End
1	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 2	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Muller, L (Lee-Roy)				Opponent Muller, L (Luzane)
2	1	Tournament Oudtshoorn Trials 1 2019				Tournament Oudtshoorn Trials 1 2019
		date 2019-01-19	rnd 5	type Standard	result 1	date 2019-01-19	rnd 5	type Standard	result 1
		Opponent Williams, J (Johnadino)				Opponent Williams, J (Johnadino)
3	1	Tournament Oudtshoorn Trials 1 2019				Tournament Oudtshoorn Trials 1 2019
		date 2019-01-19	rnd 3	type Standard	result 1	date 2019-01-19	rnd 3	type Standard	result 1
		Opponent Ayford, B (Brendon)				Opponent Ayford, B (Brendon)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 2	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Muller, L (Lee-Roy)				Opponent Muller, L (Luzane)
2	1	Tournament Oudtshoorn Trials 1 2019				Tournament Oudtshoorn Trials 1 2019
		date 2019-01-19	rnd 5	type Standard	result 1	date 2019-01-19	rnd 5	type Standard	result 1
		Opponent Williams, J (Johnadino)				Opponent Williams, J (Johnadino)
3	1	Tournament Oudtshoorn Trials 1 2019				Tournament Oudtshoorn Trials 1 2019
		date 2019-01-19	rnd 3	type Standard	result 1	date 2019-01-19	rnd 3	type Standard	result 1
		Opponent Ayford, B (Brendon)				Opponent Ayford, B (Brendon)

#	Games	Start				End
1	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 2	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Muller, L (Lee-Roy)				Opponent Muller, L (Luzane)
2	1	Tournament Oudtshoorn Trials 1 2019				Tournament Oudtshoorn Trials 1 2019
		date 2019-01-19	rnd 5	type Standard	result 1	date 2019-01-19	rnd 5	type Standard	result 1
		Opponent Williams, J (Johnadino)				Opponent Williams, J (Johnadino)
3	1	Tournament Oudtshoorn Trials 1 2019				Tournament Oudtshoorn Trials 1 2019
		date 2019-01-19	rnd 3	type Standard	result 1	date 2019-01-19	rnd 3	type Standard	result 1
		Opponent Ayford, B (Brendon)				Opponent Ayford, B (Brendon)

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	De Villiers ,B (Bianca)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	De Villiers ,B (Bianca)	2	986.2	561.2	2	976.7	561.2	0	0	0	0	0	0
2	Dilman ,L (Laythum)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Dilman ,L (Laythum)	1	1183.9	758.9	1	1176.7	758.9	0	0	0	0	0	0
3	Carstens ,K (Keanan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Carstens ,K (Keanan)	1	856.3	431.3	1	852.4	431.3	0	0	0	0	0	0
4	Damons ,H (Henrico)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Damons ,H (Henrico)	1	1151.2	726.2	1	1139.2	726.2	0	0	0	0	0	0
5	Sebybo ,C (Chanwille)	1	1	425	1	1	425	0	0	0	0	0	0
5	Sebybo ,C (Chanwille)	1	803.4	1228.4	1	804.8	1228.4	0	0	0	0	0	0
6	Van Der Merwe ,P (Petrie)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Van Der Merwe ,P (Petrie)	1	941.2	516.2	1	948.4	516.2	0	0	0	0	0	0
7	Williams ,J (Johnadino)	1	1	425	1	1	425	0	0	0	0	0	0
7	Williams ,J (Johnadino)	1	810.7	1235.7	1	815.6	1235.7	0	0	0	0	0	0
8	John ,A (Anesu)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	John ,A (Anesu)	1	1034.3	609.3	1	1001.6	609.3	0	0	0	0	0	0
9	Muller ,L (Luzane)	1	1	425	1	1	425	0	0	0	0	0	0
9	Muller ,L (Luzane)	1	710.8	1135.8	1	710.8	1135.8	0	0	0	0	0	0
10	Opperman ,J (Junaid)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Opperman ,J (Junaid)	1	697.1	272.1	1	704	272.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Booysen, O (Orin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms