Chess South Africa Ratings Database

PLAYER PAGE

Personal

Williams, B (Bjorn)

Chess SA id

1080320786

FIDE id

Date of birth

2008-12-13 (U20)

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

Item	Main	Standard	Rapid	Blitz
Rating	1261.8	1270.7	1200	1200
Raw rating	1261.8	1270.7	1200	1200
Weighted rating	1229.9	1234	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	1229.9	1234	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	1233.4	1238	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
2026-01-01	1261.8	1270.7	1200	1200
2025-11-30	1261.8	1270.7	1200	1200
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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

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	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

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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