Chess South Africa Ratings Database

PLAYER PAGE

Personal

Erasmus, J (Jaco)

Chess SA id

100068469

FIDE id

Date of birth

1900-01-01 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1201.5	1200	1207.9	1200
Raw rating	1201.5	1200	1207.9	1200
Weighted rating	1201.4	1200	1207.3	1200
Weighted performance	0	0	0	0
Floor	701.5	700	707.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.5	165.8	164	165.8
Highest rating	1201.5 2024-06-01	1200 2018-10-01	1253.3 2024-05-01	1200 2018-10-01
Highest raw rating	1201.5 2024-06-01	1200 2024-03-01	1207.9 2024-06-01	1200 2024-03-01
Highest weighted rating	1201.3 2025-08-01	1200 2018-10-01	1206.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1200 2024-03-01	1200 2024-03-01	1253.3 2024-05-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1201.5	1200	1207.9	1200
Analysis
Rating	1201.5	1200	1207.9	1200
Raw rating	1201.5	1200	1207.9	1200
Weighted rating	1201.4	1200	1207.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	701.5	700	707.9	700
Max/Min rating change allowed	165.5	165.8	164	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	1201.5	1200	1207.9	1200
New weighted rating	1201.4	1200	1207.5	1200
New weighted performance	0	0	0	0
Temp new rating	1201.5	1200	1207.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1201.5	1200	1207.9	1200
New K-factor	36	36	36	36
New floor	701.5	700	707.9	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	4	0	4
	0	0	0
	0	0	0
	0	0	0
History	9	5	4

Games since
	Main 4	Standard 0		Rapid 4		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	4	1.5	37.5	-106.2	1322.3	1216.1
Standard	0	0	0	0	0	0
Rapid	4	1.5	37.5	-106.2	1322.3	1216.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1201.5	1200	1207.9	1200
2025-09-30	1201.5	1200	1207.9	1200
2025-09-01	1201.5	1200	1207.9	1200
2025-08-01	1201.5	1200	1207.9	1200
2025-07-01	1201.5	1200	1207.9	1200
2025-06-01	1201.5	1200	1207.9	1200
2025-05-01	1201.5	1200	1207.9	1200
2025-04-01	1201.5	1200	1207.9	1200
2025-03-01	1201.5	1200	1207.9	1200
2025-02-01	1201.5	1200	1207.9	1200
2025-01-01	1201.5	1200	1207.9	1200
2024-12-01	1201.5	1200	1207.9	1200
2024-11-01	1201.5	1200	1207.9	1200
2024-10-01	1201.5	1200	1207.9	1200
2024-09-01	1201.5	1200	1207.9	1200
2024-08-01	1201.5	1200	1207.9	1200
2024-07-01	1201.5	1200	1207.9	1200
2024-09-01	1201.5	1200	1207.9	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

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	Lower West Top Schools 2024 (U18)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Lower West Top Schools 2024				Tournament Lower West Top Schools 2024
		date 2024-05-11	rnd 2	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 0.5
		Opponent Kilroe-Smith, I (Isabel)				Opponent Siebritz, Y (Yul)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Lower West Top Schools 2024				Tournament Lower West Top Schools 2024
		date 2024-05-11	rnd 2	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 0.5
		Opponent Kilroe-Smith, I (Isabel)				Opponent Siebritz, Y (Yul)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Lower West Top Schools 2024				Tournament Lower West Top Schools 2024
		date 2024-05-11	rnd 2	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Kilroe-Smith, I (Isabel)				Opponent Kilroe-Smith, I (Isabel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Lower West Top Schools 2024				Tournament Lower West Top Schools 2024
		date 2024-05-11	rnd 2	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Kilroe-Smith, I (Isabel)				Opponent Kilroe-Smith, I (Isabel)

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	Afrika ,A (Anver)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Afrika ,A (Anver)	1	1203.1	778.1	0	0	0	1	1205.6	778.1	0	0	0
2	Koopman ,T (Tyler)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Koopman ,T (Tyler)	1	1540.6	1115.6	0	0	0	1	1588.2	1115.6	0	0	0
3	Siebritz ,Y (Yul)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
3	Siebritz ,Y (Yul)	1	1384.2	1384.2	0	0	0	1	1454.4	1384.2	0	0	0
4	Kilroe-Smith ,I (Isabel)	1	1	425	0	0	0	1	1	425	0	0	0
4	Kilroe-Smith ,I (Isabel)	1	1161.5	1586.5	0	0	0	1	1172.8	1586.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Erasmus, J (Jaco)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms