Chess South Africa Ratings Database

PLAYER PAGE

Personal

Swartbooi, J (Jc)

Chess SA id

1120139107

FIDE id

Date of birth

2012-05-22 (U14)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-06-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1199.4	1200	1236.9	1200
Raw rating	1199.4	1200	1236.9	1200
Weighted rating	1199.4	1200	1236.9	1200
Weighted performance	759.8	0	818.7	0
Floor	713	700	736.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	166	165.8	157.3	165.8
Highest rating	1242 2022-03-01	1200 2018-10-01	1318.2 2022-03-01	1200 2018-10-01
Highest raw rating	1213 2022-04-01	1200 2024-02-01	1236.9 2024-02-01	1200 2024-02-01
Highest weighted rating	1213 2022-04-01	1200 2018-10-01	1236.9 2025-05-05	1200 2018-10-01
Highest weighted performance	1242 2022-03-01	1200 2024-02-01	1318.2 2022-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1199.4	1200	1236.9	1200
Analysis
Rating	1199.4	1200	1236.9	1200
Raw rating	1199.4	1200	1236.9	1200
Weighted rating	1199.4	1200	1236.9
Weighted performance	759.8	0	818.7
K-factor	36	36	36	36
Floor	713	700	736.9	700
Max/Min rating change allowed	166	165.8	157.3	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	1199.4	1200	1236.9	1200
New weighted rating	1199.4	1200	1236.9	1200
New weighted performance	753	0	811.3	0
Temp new rating	1199.4	1200	1236.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1199.4	1200	1236.9	1200
New K-factor	36	36	36	36
New floor	713	700	736.9	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	10	10
	16	16
	0	0
History	26	26

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	26	12	46.15	-32.7	1196.8	1164.1
Standard	0	0	0	0	0	0
Rapid	26	12	46.15	-32.7	1196.8	1164.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1199.4	1200	1236.9	1200
2025-09-30	1199.4	1200	1236.9	1200
2025-09-01	1199.4	1200	1236.9	1200
2025-08-01	1199.4	1200	1236.9	1200
2025-07-01	1199.4	1200	1236.9	1200
2025-06-01	1199.4	1200	1236.9	1200
2025-05-01	1199.4	1200	1236.9	1200
2025-04-01	1199.4	1200	1236.9	1200
2025-03-01	1199.4	1200	1236.9	1200
2025-02-01	1199.4	1200	1236.9	1200
2025-01-01	1199.4	1200	1236.9	1200
2024-12-01	1199.4	1200	1236.9	1200
2024-11-01	1199.4	1200	1236.9	1200
2024-10-01	1199.4	1200	1236.9	1200
2024-09-01	1199.4	1200	1236.9	1200
2024-08-01	1199.4	1200	1236.9	1200
2024-07-01	1199.4	1200	1236.9	1200
2024-09-01	1199.4	1200	1236.9	1200
2024-05-01	1199.4	1200	1236.9	1200
2024-04-01	1199.4	1200	1236.9	1200
2024-03-01	1199.4	1200	1236.9	1200
2024-02-01	1199.4	1200	1236.9	1200
2024-01-01	1199.4	1200	1236.9	1200
2023-12-01	1199.4	1200	1236.9	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	Upper West Coast Top Schools Championship 2023 (U7-U11)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	5	5	Yes	Analysis
2	Bo-Weskus Skole Prestige 2023 (O11 Seuns)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
3	Bo-Weskus Top Skole 2022 (O11)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	5	3	1	Yes	Analysis
4	West Coast Schools Chess Prestige Leg 2 2022 (U11 Boys)	2022-04-23	2022-04-23	Rapid	West Coast (WCU)	5	4	0	Yes	Analysis
5	West Coast Schools Chess Prestige Leg 1 2022 (U11 Boys)	2022-04-09	2022-04-09	Rapid	West Coast (WCU)	5	4	0	Yes	Analysis
6	Bo Weskus Skole Skaak Prestige (O11 Seuns)	2022-03-19	2022-03-19	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Bo-Weskus Skole Prestige 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-06-10	rnd 5	type Rapid	result 1
		Opponent Nasson, L (Liam)				Opponent Willemse, A (Avah)
2	2	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Skole Prestige 2023
		date 2022-06-11	rnd 5	type Rapid	result 1	date 2023-03-04	rnd 1	type Rapid	result 1
		Opponent Owies, C (Chamica)				Opponent Willems, H (Hyron)
3	2	Tournament Bo Weskus Skole Skaak Prestige				Tournament Bo Weskus Skole Skaak Prestige
		date 2022-03-19	rnd 4	type Rapid	result 1	date 2022-03-19	rnd 5	type Rapid	result 1
		Opponent Jacobs, N (Nicholas)				Opponent Engelbrecht, P (Pedrian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Bo-Weskus Skole Prestige 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-06-10	rnd 5	type Rapid	result 1
		Opponent Nasson, L (Liam)				Opponent Willemse, A (Avah)
2	2	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Skole Prestige 2023
		date 2022-06-11	rnd 5	type Rapid	result 1	date 2023-03-04	rnd 1	type Rapid	result 1
		Opponent Owies, C (Chamica)				Opponent Willems, H (Hyron)
3	2	Tournament Bo Weskus Skole Skaak Prestige				Tournament Bo Weskus Skole Skaak Prestige
		date 2022-03-19	rnd 4	type Rapid	result 1	date 2022-03-19	rnd 5	type Rapid	result 1
		Opponent Jacobs, N (Nicholas)				Opponent Engelbrecht, P (Pedrian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Bo-Weskus Skole Prestige 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-06-10	rnd 5	type Rapid	result 1
		Opponent Nasson, L (Liam)				Opponent Willemse, A (Avah)
2	2	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Skole Prestige 2023
		date 2022-06-11	rnd 5	type Rapid	result 1	date 2023-03-04	rnd 1	type Rapid	result 1
		Opponent Owies, C (Chamica)				Opponent Willems, H (Hyron)
3	2	Tournament Bo Weskus Skole Skaak Prestige				Tournament Bo Weskus Skole Skaak Prestige
		date 2022-03-19	rnd 4	type Rapid	result 1	date 2022-03-19	rnd 5	type Rapid	result 1
		Opponent Jacobs, N (Nicholas)				Opponent Engelbrecht, P (Pedrian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Bo-Weskus Skole Prestige 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-06-10	rnd 5	type Rapid	result 1
		Opponent Nasson, L (Liam)				Opponent Willemse, A (Avah)
2	2	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Skole Prestige 2023
		date 2022-06-11	rnd 5	type Rapid	result 1	date 2023-03-04	rnd 1	type Rapid	result 1
		Opponent Owies, C (Chamica)				Opponent Willems, H (Hyron)
3	2	Tournament Bo Weskus Skole Skaak Prestige				Tournament Bo Weskus Skole Skaak Prestige
		date 2022-03-19	rnd 4	type Rapid	result 1	date 2022-03-19	rnd 5	type Rapid	result 1
		Opponent Jacobs, N (Nicholas)				Opponent Engelbrecht, P (Pedrian)

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	Maarman ,B (Blayden)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Maarman ,B (Blayden)	2	1104.9	679.9	0	0	0	2	1156.4	679.9	0	0	0
2	Dirks ,R (Ryan)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Dirks ,R (Ryan)	2	1250.4	825.4	0	0	0	2	1292.8	825.4	0	0	0
3	Matthys ,E (Ezekiel)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Matthys ,E (Ezekiel)	2	1256.1	831.1	0	0	0	2	1293.9	831.1	0	0	0
4	Davidson ,C (Caden)	2	0	-425	0	0	0	2	0	-425	0	0	0
4	Davidson ,C (Caden)	2	1183.2	758.2	0	0	0	2	1175.1	758.2	0	0	0
5	Erasmus ,A (Austin)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Erasmus ,A (Austin)	2	1226.2	801.2	0	0	0	2	1244.4	801.2	0	0	0
6	Nasson ,L (Liam)	1	1	425	0	0	0	1	1	425	0	0	0
6	Nasson ,L (Liam)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Huysamen ,L (Luca)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Huysamen ,L (Luca)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Willemse ,A (Avah)	1	1	425	0	0	0	1	1	425	0	0	0
8	Willemse ,A (Avah)	1	1240.1	1665.1	0	0	0	1	1340.2	1665.1	0	0	0
9	Willems ,H (Hyron)	1	1	425	0	0	0	1	1	425	0	0	0
9	Willems ,H (Hyron)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Jacobs ,N (Nicholas)	1	1	425	0	0	0	1	1	425	0	0	0
10	Jacobs ,N (Nicholas)	1	1183.7	1608.7	0	0	0	1	1200	1608.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Swartbooi, J (Jc)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms