Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, A (Ajay)

Chess SA id

1180315177

FIDE id

Date of birth

2018-04-23 (U8)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1154.6

Item	Main	Standard	Rapid	Blitz
Rating	1222.1	1228.3	1200	1200
Raw rating	1222.1	1228.3	1200	1200
Weighted rating	1204.8	1206.1	1200	1200
Weighted performance	0	0	0	0
Floor	722.1	728.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.7	159.3	165.8	165.8
Highest rating	1222.1 2025-08-01	1228.3 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1222.1 2025-08-01	1228.3 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1201.4 2025-08-01	1201.9 2025-08-01	1200 2025-03-01	1200 2025-03-01
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	1222.1	1228.3	1200	1200
Analysis
Rating	1222.1	1228.3	1200	1200
Raw rating	1222.1	1228.3	1200	1200
Weighted rating	1204.8	1206.1	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	722.1	728.3	700	700
Max/Min rating change allowed	160.7	159.3	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	1222.1	1228.3	1200	1200
New weighted rating	1206.3	1208.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1222.1	1228.3	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1222.1	1228.3	1200	1200
New K-factor	36	36	36	36
New floor	722.1	728.3	700	700

Item	Main	Standard
	0	0
	14	14
	0	0
	0	0
	0	0
	0	0
History	14	14

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Male
Age group	U8
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 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	14	6	42.86	-60.7	1213.2	1152.5
Standard	14	6	42.86	-60.7	1213.2	1152.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	6	42.86	-60.7	1213.2	1152.5
Standard	14	6	42.86	-60.7	1213.2	1152.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1222.1	1228.3	1200	1200
2025-09-01	1222.1	1228.3	1200	1200
2025-08-01	1222.1	1228.3	1200	1200
2025-07-01	1199.6	1199.6	1200	1200
2025-06-01	1199.6	1199.6	1200	1200
2025-05-01	1199.6	1199.5	1200	1200
2025-04-01	1198.6	1198.4	1200	1200
2025-03-01	1197.3	1196.8	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
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	George Top Schools 2025 (U7)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	George Schools Chess Trials 3 2025 (U7 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	George Schools Chess Trials 2 2025 (U7 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	George Top Schools 2025 (U7)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	George Schools Chess Trials 3 2025 (U7 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	George Schools Chess Trials 2 2025 (U7 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Linde, P (Pierre-Louis)				Opponent Martin, S (Simeon)
2	2	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 3	type Standard	result 0.5	date 2025-03-01	rnd 4	type Standard	result 0.5
		Opponent Mpetsheni, C (Ceaton)				Opponent Kritzinger, D (Danie)
3	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-15	rnd 3	type Standard	result 0.5	date 2025-02-15	rnd 4	type Standard	result 0.5
		Opponent Piko, L (Lubango)				Opponent Oosthuizen, N (Nico)

#	Games	Start				End
1	3	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Linde, P (Pierre-Louis)				Opponent Martin, S (Simeon)
2	2	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 3	type Standard	result 0.5	date 2025-03-01	rnd 4	type Standard	result 0.5
		Opponent Mpetsheni, C (Ceaton)				Opponent Kritzinger, D (Danie)
3	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-15	rnd 3	type Standard	result 0.5	date 2025-02-15	rnd 4	type Standard	result 0.5
		Opponent Piko, L (Lubango)				Opponent Oosthuizen, N (Nico)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Linde, P (Pierre-Louis)				Opponent Martin, S (Simeon)
2	1	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Tsholoba, M (Mvana)				Opponent Tsholoba, M (Mvana)

#	Games	Start				End
1	3	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Linde, P (Pierre-Louis)				Opponent Martin, S (Simeon)
2	1	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Tsholoba, M (Mvana)				Opponent Tsholoba, M (Mvana)

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	Tsholoba ,M (Mvana)	1	1	425	1	1	425	0	0	0	0	0	0
1	Tsholoba ,M (Mvana)	1	1194.7	1619.7	1	1193.6	1619.7	0	0	0	0	0	0
2	Mpetsheni ,C (Ceaton)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Mpetsheni ,C (Ceaton)	1	1197.2	1197.2	1	1196.7	1197.2	0	0	0	0	0	0
3	Jubber ,L (Luan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Jubber ,L (Luan)	1	1230.4	805.4	1	1237.3	805.4	0	0	0	0	0	0
4	Linde ,P (Pierre-Louis)	1	1	425	1	1	425	0	0	0	0	0	0
4	Linde ,P (Pierre-Louis)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Oosthuizen ,N (Nico)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Oosthuizen ,N (Nico)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Booysen ,J (Joshua)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Booysen ,J (Joshua)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Piko ,L (Lubango)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Piko ,L (Lubango)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	Carolus Mazengai ,I (Ilai)	1	1	425	1	1	425	0	0	0	0	0	0
8	Carolus Mazengai ,I (Ilai)	1	1235.1	1660.1	1	1247	1660.1	0	0	0	0	0	0
9	Stander ,D (Dawid)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Stander ,D (Dawid)	1	1280.1	855.1	1	1303.7	855.1	0	0	0	0	0	0
10	Damane ,K (Khanya)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Damane ,K (Khanya)	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

Jacobs, A (Ajay)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms