Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, A (Ajay)

Chess SA id

1180315177

FIDE id

Date of birth

2018-04-23 (U10)

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

Item	Main	Standard	Rapid	Blitz
Rating	1222.1	1228.3	1200	1200
Raw rating	1222.1	1228.3	1200	1200
Weighted rating	1209.2	1211.9	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	1209.2	1211.9	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	1210.6	1213.6	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
2026-01-01	1222.1	1228.3	1200	1200
2025-11-30	1222.1	1228.3	1200	1200
2025-11-01	1222.1	1228.3	1200	1200
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
2024-11-01	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	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

Tournaments

Grand Prix

Statistics

Notifications

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