Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, E (Elai)

Chess SA id

1110133020

FIDE id

Date of birth

2011-08-03 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1108.8	1063.5	1240.8	1200
Raw rating	1087.7	1045.7	1240.8	1200
Weighted rating	1108.8	1063.5	1240.8	1200
Weighted performance	876.1	848.9	0	0
Floor	700	700	740.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	194.6	206.6	156.5	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1345.9 2022-05-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1240.8 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1240.8 2024-05-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1345.9 2022-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.8	-1.4	0	0
New rating	1106.9	1062.1	1240.8	1200
Analysis
Rating	1108.8	1063.5	1240.8	1200
Raw rating	1087.7	1045.7	1240.8	1200
Weighted rating	1108.8	1063.5	1240.8
Weighted performance	876.1	848.9	0
K-factor	36	36	36	36
Floor	700	700	740.8	700
Max/Min rating change allowed	194.6	206.6	156.5	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	1087.7	1045.7	1240.8	1200
New weighted rating	1106.9	1062.1	1240.8	1200
New weighted performance	869.7	842.7	0	0
Temp new rating	1106.9	1062.1	1240.8	1200
Temp new rating +/-	-1.8	-1.4	0	0
Final new rating +/-	-1.8	-1.4	0	0
New rating	1106.9	1062.1	1240.8	1200
New K-factor	36	36	36	36
New floor	700	700	740.8	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	5	5	0
	10	10	0
	32	19	13
	0	0	0
History	57	44	13

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	5	1	20	-255	1220.8	965.8
Standard	5	1	20	-255	1220.8	965.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	57	19	33.33	-141.7	1198.6	1056.9
Standard	44	12	27.27	-193.2	1194.9	1001.7
Rapid	13	7	53.85	32.7	1211.2	1243.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1087.7	1045.7	1240.8	1200
2025-09-30	1087.7	1045.7	1240.8	1200
2025-09-01	1087.7	1045.7	1240.8	1200
2025-08-01	1115.5	1070	1240.8	1200
2025-07-01	1115.5	1070	1240.8	1200
2025-06-01	1115.5	1070	1240.8	1200
2025-05-01	1115.5	1070	1240.8	1200
2025-04-01	1115.5	1070	1240.8	1200
2025-03-01	1115.5	1070	1240.8	1200
2025-02-01	1115.5	1070	1240.8	1200
2025-01-01	1115.5	1070	1240.8	1200
2024-12-01	1115.5	1070	1240.8	1200
2024-11-01	1115.5	1070	1240.8	1200
2024-10-01	1115.5	1070	1240.8	1200
2024-09-01	1115.5	1070	1240.8	1200
2024-08-01	1115.5	1070	1240.8	1200
2024-07-01	1115.5	1070	1240.8	1200
2024-09-01	1115.5	1070	1240.8	1200
2024-05-01	1110.5	1057.2	1240.8	1200
2024-04-01	1110.5	1057.2	1240.8	1200
2024-03-01	1110.5	1057.2	1240.8	1200
2024-02-01	1110.5	1057.2	1240.8	1200
2024-01-01	1110.5	1057.2	1240.8	1200
2023-12-01	1110.5	1057.2	1240.8	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	2025 Tshwane South School District CLOSED League Championship (U15A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U15A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	2023 Mid Gauteng Open Tournament (D)	2023-05-06	2023-05-06	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	2023 Milos Ristic Open Tournament (D2)	2023-04-27	2023-04-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	2022 Mid Gauteng Open (D)	2022-05-07	2022-05-07	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
6	2022 Silver Lakes Chess Club Open Chess Tournament (D)	2022-05-14	2022-05-14	Standard	Tshwane (GTP)	5	5	0.5	Yes	Analysis
7	RMS Swiss For Rating of Players 2022 (U11)	2022-05-28	2022-05-28	Rapid	Ekurhuleni (GE)	7	6	5	Yes	Analysis
8	D4 Individuals 2022 (U11 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	2	Yes	Analysis
9	2022 Chris Greyling Open (D)	2022-03-12	2022-03-12	Standard	Tshwane (GTP)	5	5	0.5	Yes	Analysis
10	CP Ope 2022 (D2)	2022-02-19	2022-02-19	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
11	2020 Wynie Robbertse Open Chess Tournament (U10)	2020-03-07	2020-03-07	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis

#	Games	Start				End
1	4	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Smit, R (Ruan)				Opponent Khomani, N (Nsuku)
2	2	Tournament 2023 Mid Gauteng Open Tournament				Tournament 2023 Mid Gauteng Open Tournament
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-05-06	rnd 5	type Standard	result 1
		Opponent Mashao, O (Oratile)				Opponent Westermann, L (Liezl)
3	2	Tournament 2023 Milos Ristic Open Tournament				Tournament 2023 Milos Ristic Open Tournament
		date 2023-04-27	rnd 4	type Standard	result 1	date 2023-04-27	rnd 5	type Standard	result 1
		Opponent Malan, L (Lea)				Opponent Ntuli, KE (Kgothatso Emely)

#	Games	Start				End
1	2	Tournament 2023 Mid Gauteng Open Tournament				Tournament 2023 Mid Gauteng Open Tournament
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-05-06	rnd 5	type Standard	result 1
		Opponent Mashao, O (Oratile)				Opponent Westermann, L (Liezl)
2	2	Tournament 2023 Milos Ristic Open Tournament				Tournament 2023 Milos Ristic Open Tournament
		date 2023-04-27	rnd 4	type Standard	result 1	date 2023-04-27	rnd 5	type Standard	result 1
		Opponent Malan, L (Lea)				Opponent Ntuli, KE (Kgothatso Emely)
3	2	Tournament 2022 Mid Gauteng Open				Tournament 2022 Mid Gauteng Open
		date 2022-05-07	rnd 3	type Standard	result 0.5	date 2022-05-07	rnd 5	type Standard	result 1
		Opponent Mhlanga, N (Norman)				Opponent Page, A (Aydon Quinn)

#	Games	Start				End
1	5	Tournament D4 Individuals 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-04-23	rnd 7	type Rapid	result 0.5	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Heesan, G (Gustav)				Opponent Khomani, N (Nsuku)
2	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 6	type Rapid	result 1	date 2022-05-28	rnd 6	type Rapid	result 1
		Opponent Kwenda, G (Gontse)				Opponent Kwenda, G (Gontse)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 0.5	date 2022-04-23	rnd 5	type Rapid	result 0.5
		Opponent Erwee, HP (Hermanus Philipus)				Opponent Erwee, HP (Hermanus Philipus)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Smit, R (Ruan)				Opponent Khomani, N (Nsuku)
2	2	Tournament 2023 Mid Gauteng Open Tournament				Tournament 2023 Mid Gauteng Open Tournament
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-05-06	rnd 5	type Standard	result 1
		Opponent Mashao, O (Oratile)				Opponent Westermann, L (Liezl)
3	2	Tournament 2023 Milos Ristic Open Tournament				Tournament 2023 Milos Ristic Open Tournament
		date 2023-04-27	rnd 4	type Standard	result 1	date 2023-04-27	rnd 5	type Standard	result 1
		Opponent Malan, L (Lea)				Opponent Ntuli, KE (Kgothatso Emely)

#	Games	Start				End
1	2	Tournament 2023 Mid Gauteng Open Tournament				Tournament 2023 Mid Gauteng Open Tournament
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-05-06	rnd 5	type Standard	result 1
		Opponent Mashao, O (Oratile)				Opponent Westermann, L (Liezl)
2	2	Tournament 2023 Milos Ristic Open Tournament				Tournament 2023 Milos Ristic Open Tournament
		date 2023-04-27	rnd 4	type Standard	result 1	date 2023-04-27	rnd 5	type Standard	result 1
		Opponent Malan, L (Lea)				Opponent Ntuli, KE (Kgothatso Emely)
3	2	Tournament CP Ope 2022				Tournament CP Ope 2022
		date 2022-02-19	rnd 1	type Standard	result 1	date 2022-02-19	rnd 2	type Standard	result 1
		Opponent Venter, M (Marcel)				Opponent Van Der Watt, I (Inge)

#	Games	Start				End
1	4	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Smit, R (Ruan)				Opponent Khomani, N (Nsuku)
2	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 6	type Rapid	result 1	date 2022-05-28	rnd 6	type Rapid	result 1
		Opponent Kwenda, G (Gontse)				Opponent Kwenda, G (Gontse)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 3	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Sibiya, V (Vutomi)				Opponent Sibiya, V (Vutomi)

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	Pretorius ,P (Pieter)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Pretorius ,P (Pieter)	2	1018.6	593.6	2	1030.2	593.6	0	0	0	0	0	0
2	Smart ,L (Liam Jonathan)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Smart ,L (Liam Jonathan)	2	1200	775	2	1200	775	0	0	0	0	0	0
3	Bloem ,J (James)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Bloem ,J (James)	2	1171.5	746.5	2	1168.4	746.5	0	0	0	0	0	0
4	Moreroa ,T (Thoriso)	1	1	425	1	1	425	0	0	0	0	0	0
4	Moreroa ,T (Thoriso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Lekau ,G (Gopolang)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Lekau ,G (Gopolang)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Malan ,L (Lea)	1	1	425	1	1	425	0	0	0	0	0	0
6	Malan ,L (Lea)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Page ,A (Aydon Quinn)	1	1	425	1	1	425	0	0	0	0	0	0
7	Page ,A (Aydon Quinn)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Kunaka ,M (Mufaro)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kunaka ,M (Mufaro)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Klopper ,PA (Phillippus Arnoldus)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Klopper ,PA (Phillippus Arnoldus)	1	1114.6	689.6	1	1104.3	689.6	0	0	0	0	0	0
10	Mukoma ,M (Mukhetwa)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mukoma ,M (Mukhetwa)	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, E (Elai)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms