Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sterley, B (Boaz)

Chess SA id

107072118

FIDE id

Date of birth

2007-10-26 (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	1183.1	1165.5	978.4	506
Raw rating	1183.1	1165.5	978.4	506
Weighted rating	1183.1	1165.5	978.4	506
Weighted performance	470.6	364.6	0	0
Floor	722	726.3	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	169.9	174.2	227.4	445.7
Highest rating	1296.5 2018-02-01	1297.5 2018-02-01	1239.3 2018-05-01	1200 2024-02-01
Highest raw rating	1222 2020-03-01	1226.3 2020-03-01	978.4 2024-02-01	506 2024-02-01
Highest weighted rating	1222 2024-11-01	1226.3 2024-11-01	978.4 2024-11-01	506 2024-11-01
Highest weighted performance	1296.5 2018-02-01	1297.5 2018-02-01	1239.3 2018-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1183.1	1165.5	978.4	506
Analysis
Rating	1183.1	1165.5	978.4	506
Raw rating	1183.1	1165.5	978.4	506
Weighted rating	1183.1	1165.5	978.4
Weighted performance	470.6	364.6	0
K-factor	36	36	40	40
Floor	722	726.3	500	500
Max/Min rating change allowed	169.9	174.2	227.4	445.7
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	1183.1	1165.5	978.4	506
New weighted rating	1183.1	1165.5	978.4	506
New weighted performance	470.2	364.1	0	0
Temp new rating	1183.1	1165.5	978.4	506
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1183.1	1165.5	978.4	506
New K-factor	36	36	40	40
New floor	722	726.3	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	0	5
	0	0	0
History	100	64	36

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	83	45	54.22	35.8	1156.9	1192.8
Standard	59	31	52.54	21.6	1166	1187.6
Rapid	24	14	58.33	70.8	1134.7	1205.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1183.1	1165.5	978.4	506
2025-09-01	1183.1	1165.5	978.4	506
2025-08-01	1183.1	1165.5	978.4	506
2025-07-01	1183.1	1165.5	978.4	506
2025-06-01	1183.1	1165.5	978.4	506
2025-05-01	1183.1	1165.5	978.4	506
2025-04-01	1183.1	1165.5	978.4	506
2025-03-01	1183.1	1165.5	978.4	506
2025-02-01	1183.1	1165.5	978.4	506
2025-01-01	1183.1	1165.5	978.4	506
2024-12-01	1183.1	1165.5	978.4	506
2024-11-01	1183.1	1165.5	978.4	506
2024-10-01	1183.1	1165.5	978.4	506
2024-09-01	1183.1	1165.5	978.4	506
2024-08-01	1183.1	1165.5	978.4	506
2024-07-01	1183.1	1165.5	978.4	506
2024-06-01	1183.1	1165.5	978.4	506
2024-08-01	1183.1	1165.5	978.4	506
2024-04-01	1183.1	1165.5	978.4	506
2024-03-01	1183.1	1165.5	978.4	506
2024-02-01	1183.1	1165.5	978.4	506
2024-01-01	1183.1	1165.5	978.4	506
2023-12-01	1183.1	1165.5	978.4	506
2023-11-01	1183.1	1165.5	978.4	506

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 (U15)	2022-03-13	2022-03-13	Rapid	Cape Town (WCT)	6	5	3	Yes	Analysis
2	2020 Western Province Open (Prestige)	2020-03-07	2020-03-08	Standard	Cape Town (WCT)	6	3	0	Yes	Analysis
3	2020 Metro Trials (U13 Boys)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
4	Northern Chess Cadet Series 2020 (B)	2020-02-15	2020-02-15	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
5	2020 East District Individuals (U13)	2020-01-31	2020-02-01	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
6	2019 South African Junior Team Championships (U14E)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
7	2019 Western Cape Closed Chess Championships (D)	2019-09-21	2019-09-22	Standard	Cape Winelands (WCW)	6	5	1	Yes	Analysis
8	Curro Durbanville Chess Tournament 2019 (Premier)	2019-08-23	2019-08-24	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
9	2019 WP Youth Open (C)	2019-07-13	2019-07-13	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
10	Rhenish Primary Chess Tournament 2019 (U14)	2019-05-11	2019-05-11	Rapid	Cape Winelands (WCW)	7	6	3	Yes	Analysis
11	2019 Metro-East District Schools Trials (U13)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
12	Stellenbosch Primary 2018 (U12)	2018-09-15	2018-09-15	Rapid	Cape Winelands (WCW)	7	6	4	Yes	Analysis
13	Rhenish Primary Chess Tournament 2018 (U12)	2018-05-12	2018-05-12	Rapid	Cape Winelands (WCW)	7	7	4	Yes	Analysis
14	2018 WP Schools Closed Trials (U11 Boys)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
15	District East Schools Chess Open Trials 2018 (U11)	2018-02-02	2018-02-03	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 0.5
		Opponent Smith, S (Shandre)				Opponent Roos, D (Dehan)
2	5	Tournament Rhenish Primary Chess Tournament 2018				Tournament Stellenbosch Primary 2018
		date 2018-05-12	rnd 7	type Rapid	result 1	date 2018-09-15	rnd 4	type Rapid	result 1
		Opponent Loots, H (Henro)				Opponent Stagler, V (Vadon)
3	4	Tournament 2018 WP Schools Closed Trials				Tournament Rhenish Primary Chess Tournament 2018
		date 2018-03-10	rnd 6	type Standard	result 1	date 2018-05-12	rnd 3	type Rapid	result 1
		Opponent October, N (Nathaan)				Opponent Rossouw, R (Rulan)

#	Games	Start				End
1	5	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 0.5
		Opponent Smith, S (Shandre)				Opponent Roos, D (Dehan)
2	4	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 WP Youth Open
		date 2019-02-02	rnd 5	type Standard	result 1	date 2019-07-13	rnd 2	type Standard	result 1
		Opponent Hlumelo, J (Joli)				Opponent Osborne, N (Nicole)
3	4	Tournament District East Schools Chess Open Trials 2018				Tournament District East Schools Chess Open Trials 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-03	rnd 6	type Standard	result 1
		Opponent Suleiman, A (Adjiet)				Opponent Mgujulwa, Z (Zimkhitha)

#	Games	Start				End
1	5	Tournament Rhenish Primary Chess Tournament 2018				Tournament Stellenbosch Primary 2018
		date 2018-05-12	rnd 7	type Rapid	result 1	date 2018-09-15	rnd 4	type Rapid	result 1
		Opponent Loots, H (Henro)				Opponent Stagler, V (Vadon)
2	3	Tournament Rhenish Primary Chess Tournament 2018				Tournament Rhenish Primary Chess Tournament 2018
		date 2018-05-12	rnd 1	type Rapid	result 1	date 2018-05-12	rnd 3	type Rapid	result 1
		Opponent Niehaus, C (Chloe)				Opponent Rossouw, R (Rulan)
3	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 3	type Rapid	result 1	date 2022-03-13	rnd 4	type Rapid	result 1
		Opponent Kotjomela, K (Katsa)				Opponent Du Plessis, P (Phillip)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Rhenish Primary Chess Tournament 2018				Tournament Stellenbosch Primary 2018
		date 2018-05-12	rnd 7	type Rapid	result 1	date 2018-09-15	rnd 4	type Rapid	result 1
		Opponent Loots, H (Henro)				Opponent Stagler, V (Vadon)
2	4	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 1
		Opponent Smith, S (Shandre)				Opponent Naicker, MK (Mahalia Khanya)
3	4	Tournament 2018 WP Schools Closed Trials				Tournament Rhenish Primary Chess Tournament 2018
		date 2018-03-10	rnd 6	type Standard	result 1	date 2018-05-12	rnd 3	type Rapid	result 1
		Opponent October, N (Nathaan)				Opponent Rossouw, R (Rulan)

#	Games	Start				End
1	4	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 1
		Opponent Smith, S (Shandre)				Opponent Naicker, MK (Mahalia Khanya)
2	4	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 WP Youth Open
		date 2019-02-02	rnd 5	type Standard	result 1	date 2019-07-13	rnd 2	type Standard	result 1
		Opponent Hlumelo, J (Joli)				Opponent Osborne, N (Nicole)
3	3	Tournament 2020 East District Individuals				Tournament 2020 East District Individuals
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-01	rnd 6	type Standard	result 1
		Opponent Noach, L (Lauren)				Opponent Maruma, K (Katlego)

#	Games	Start				End
1	5	Tournament Rhenish Primary Chess Tournament 2018				Tournament Stellenbosch Primary 2018
		date 2018-05-12	rnd 7	type Rapid	result 1	date 2018-09-15	rnd 4	type Rapid	result 1
		Opponent Loots, H (Henro)				Opponent Stagler, V (Vadon)
2	3	Tournament Rhenish Primary Chess Tournament 2018				Tournament Rhenish Primary Chess Tournament 2018
		date 2018-05-12	rnd 1	type Rapid	result 1	date 2018-05-12	rnd 3	type Rapid	result 1
		Opponent Niehaus, C (Chloe)				Opponent Rossouw, R (Rulan)
3	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 3	type Rapid	result 1	date 2022-03-13	rnd 4	type Rapid	result 1
		Opponent Kotjomela, K (Katsa)				Opponent Du Plessis, P (Phillip)

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	Du Plessis ,F (Francois)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Du Plessis ,F (Francois)	2	1129.2	704.2	2	1160.1	704.2	0	0	0	0	0	0
2	Van Coller ,K (Kean)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
2	Van Coller ,K (Kean)	2	1161.9	949.4	1	1200	1161.9	1	1200	736.9	0	0	0
3	Rasdelhoff ,J (Jordan)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Rasdelhoff ,J (Jordan)	2	1204.6	779.6	0	0	0	2	1183.6	779.6	0	0	0
4	Roos ,D (Dehan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Roos ,D (Dehan)	1	1080.4	1080.4	1	1061.7	1080.4	0	0	0	0	0	0
5	Nieuwoudt ,N (Noreht)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Nieuwoudt ,N (Noreht)	1	1181.1	756.1	1	1182.1	756.1	0	0	0	0	0	0
6	Willemse ,R (Reuben)	1	1	425	1	1	425	0	0	0	0	0	0
6	Willemse ,R (Reuben)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Osborne ,N (Nicole)	1	1	425	1	1	425	0	0	0	0	0	0
7	Osborne ,N (Nicole)	1	1074.6	1499.6	1	1065.2	1499.6	0	0	0	0	0	0
8	Sinzumusi ,A (Ahmed)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Sinzumusi ,A (Ahmed)	1	1155.8	730.8	1	1125.6	730.8	0	0	0	0	0	0
9	Muberuka ,N (Natasha)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Muberuka ,N (Natasha)	1	1121.3	696.3	1	1111.9	696.3	0	0	0	0	0	0
10	Pfaff ,D (Darius)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Pfaff ,D (Darius)	1	978.5	553.5	1	976.6	553.5	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

Sterley, B (Boaz)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms