Chess South Africa Ratings Database

PLAYER PAGE

Personal

Williams, B (Bjorn)

Chess SA id

1080320786

FIDE id

Date of birth

2008-12-13 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1385.2

Item	Main	Standard	Rapid	Blitz
Rating	1261.8	1270.7	1200	1200
Raw rating	1261.8	1270.7	1200	1200
Weighted rating	1222.2	1225.2	1200	1200
Weighted performance	0	0	0	0
Floor	761.8	770.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.8	149.9	165.8	165.8
Highest rating	1261.8 2025-08-01	1270.7 2025-08-01	1200 2025-06-01	1200 2025-06-01
Highest raw rating	1261.8 2025-08-01	1270.7 2025-08-01	1200 2025-06-01	1200 2025-06-01
Highest weighted rating	1209.2 2025-08-01	1210.3 2025-08-01	1200 2025-06-01	1200 2025-06-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1261.8	1270.7	1200	1200
Analysis
Rating	1261.8	1270.7	1200	1200
Raw rating	1261.8	1270.7	1200	1200
Weighted rating	1222.2	1225.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	761.8	770.7	700	700
Max/Min rating change allowed	151.8	149.9	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	1261.8	1270.7	1200	1200
New weighted rating	1226.1	1229.7	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1261.8	1270.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1261.8	1270.7	1200	1200
New K-factor	36	36	36	36
New floor	761.8	770.7	700	700

Item	Main	Standard
	0	0
	10	10
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
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	10	6.5	65	127.5	1247.7	1375.2
Standard	10	6.5	65	127.5	1247.7	1375.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	6.5	65	127.5	1247.7	1375.2
Standard	10	6.5	65	127.5	1247.7	1375.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1261.8	1270.7	1200	1200
2025-09-30	1261.8	1270.7	1200	1200
2025-09-01	1261.8	1270.7	1200	1200
2025-08-01	1261.8	1270.7	1200	1200
2025-07-01	1228.2	1230.7	1200	1200
2025-06-01	1228.2	1230.7	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	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	MCA Winter Chill Classic 2025 (Junior)	2025-07-19	2025-07-19	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
2	D6 HS Teams Alberton & Germiston 2025 (U19B)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	MCA Winter Chill Classic 2025 (Junior)	2025-07-19	2025-07-19	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
2	D6 HS Teams Alberton & Germiston 2025 (U19B)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament MCA Winter Chill Classic 2025				Tournament MCA Winter Chill Classic 2025
		date 2025-07-19	rnd 3	type Standard	result 1	date 2025-07-19	rnd 5	type Standard	result 1
		Opponent Tabilo Lillo, M (Marcelo)				Opponent Steyn, M (Mari-Louise)
2	3	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Ngongwane, S (Sizwe)				Opponent Mkhotywa, A (Ayabonga)
3	1	Tournament MCA Winter Chill Classic 2025				Tournament MCA Winter Chill Classic 2025
		date 2025-07-19	rnd 1	type Standard	result 0.5	date 2025-07-19	rnd 1	type Standard	result 0.5
		Opponent Thobakgale, T (Tumelo)				Opponent Thobakgale, T (Tumelo)

#	Games	Start				End
1	3	Tournament MCA Winter Chill Classic 2025				Tournament MCA Winter Chill Classic 2025
		date 2025-07-19	rnd 3	type Standard	result 1	date 2025-07-19	rnd 5	type Standard	result 1
		Opponent Tabilo Lillo, M (Marcelo)				Opponent Steyn, M (Mari-Louise)
2	3	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Ngongwane, S (Sizwe)				Opponent Mkhotywa, A (Ayabonga)
3	1	Tournament MCA Winter Chill Classic 2025				Tournament MCA Winter Chill Classic 2025
		date 2025-07-19	rnd 1	type Standard	result 0.5	date 2025-07-19	rnd 1	type Standard	result 0.5
		Opponent Thobakgale, T (Tumelo)				Opponent Thobakgale, T (Tumelo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament MCA Winter Chill Classic 2025				Tournament MCA Winter Chill Classic 2025
		date 2025-07-19	rnd 3	type Standard	result 1	date 2025-07-19	rnd 5	type Standard	result 1
		Opponent Tabilo Lillo, M (Marcelo)				Opponent Steyn, M (Mari-Louise)
2	3	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Ngongwane, S (Sizwe)				Opponent Mkhotywa, A (Ayabonga)

#	Games	Start				End
1	3	Tournament MCA Winter Chill Classic 2025				Tournament MCA Winter Chill Classic 2025
		date 2025-07-19	rnd 3	type Standard	result 1	date 2025-07-19	rnd 5	type Standard	result 1
		Opponent Tabilo Lillo, M (Marcelo)				Opponent Steyn, M (Mari-Louise)
2	3	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Ngongwane, S (Sizwe)				Opponent Mkhotywa, A (Ayabonga)

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	Mkhotywa ,A (Ayabonga)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mkhotywa ,A (Ayabonga)	1	1223.8	1648.8	1	1229.4	1648.8	0	0	0	0	0	0
2	Rathakolo ,T (Tshepiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Rathakolo ,T (Tshepiso)	1	1301.6	876.6	1	1264.4	876.6	0	0	0	0	0	0
3	Thobakgale ,T (Tumelo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Thobakgale ,T (Tumelo)	1	1189.8	1189.8	1	1186.4	1189.8	0	0	0	0	0	0
4	Netshishivhe ,M (Mpho)	1	1	425	1	1	425	0	0	0	0	0	0
4	Netshishivhe ,M (Mpho)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Tabilo Lillo ,M (Marcelo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Tabilo Lillo ,M (Marcelo)	1	1274.5	1699.5	1	1272.1	1699.5	0	0	0	0	0	0
6	Ngongwane ,S (Sizwe)	1	1	425	1	1	425	0	0	0	0	0	0
6	Ngongwane ,S (Sizwe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Steyn ,M (Mari-Louise)	1	1	425	1	1	425	0	0	0	0	0	0
7	Steyn ,M (Mari-Louise)	1	1292	1717	1	1284.4	1717	0	0	0	0	0	0
8	Smiltneek ,C (Connor)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Smiltneek ,C (Connor)	1	1338.2	913.2	1	1300.5	913.2	0	0	0	0	0	0
9	Williams ,J (Julian)	1	1	425	1	1	425	0	0	0	0	0	0
9	Williams ,J (Julian)	1	1257.3	1682.3	1	1268.6	1682.3	0	0	0	0	0	0
10	Van Staden ,R (Rehan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Staden ,R (Rehan)	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

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PLAYER PAGE

Personal

Williams, B (Bjorn)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms