Chess South Africa Ratings Database

PLAYER PAGE

Personal

Els, JA (Jeffrey Allan)

Chess SA id

1080113648

FIDE id

Date of birth

2008-06-18 (U18)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-01-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1176	1179.5	1167.6	1200
Raw rating	1176	1179.5	1167.6	1200
Weighted rating	1174	1177.4	1167.6	1200
Weighted performance	804.8	798.1	0	0
Floor	776.5	767.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	171.6	170.7	173.6	165.8
Highest rating	1282.8 2023-08-01	1267.6 2021-12-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1276.5 2021-12-01	1267.6 2021-12-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1276.5 2022-08-01	1267.6 2022-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1282.8 2023-08-01	1267.5 2023-08-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1176	1179.5	1167.6	1200
Analysis
Rating	1176	1179.5	1167.6	1200
Raw rating	1176	1179.5	1167.6	1200
Weighted rating	1174	1177.4	1167.6
Weighted performance	804.8	798.1	0
K-factor	36	36	36	36
Floor	776.5	767.6	700	700
Max/Min rating change allowed	171.6	170.7	173.6	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	1176	1179.5	1167.6	1200
New weighted rating	1174	1177.4	1167.6	1200
New weighted performance	803.7	797	0	0
Temp new rating	1176	1179.5	1167.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1176	1179.5	1167.6	1200
New K-factor	36	36	36	36
New floor	776.5	767.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	5	0
	10	10	0
	16	11	5
	5	5	0
History	148	143	5

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	148	77	52.03	17.2	1090.9	1108.2
Standard	143	75	52.45	20.8	1084.4	1105.2
Rapid	5	2	40	-85	1277.3	1192.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1176	1179.5	1167.6	1200
2025-09-01	1176	1179.5	1167.6	1200
2025-08-01	1176	1179.5	1167.6	1200
2025-07-01	1176	1179.5	1167.6	1200
2025-06-01	1176	1179.5	1167.6	1200
2025-05-01	1176	1179.5	1167.6	1200
2025-04-01	1176	1179.5	1167.6	1200
2025-03-01	1176	1179.5	1167.6	1200
2025-02-01	1175.7	1179.1	1167.6	1200
2025-01-01	1169.4	1172.4	1167.6	1200
2024-12-01	1169.4	1172.4	1167.6	1200
2024-11-01	1169.4	1172.4	1167.6	1200
2024-10-01	1169.4	1172.4	1167.6	1200
2024-09-01	1169.4	1172.4	1167.6	1200
2024-08-01	1169.4	1172.4	1167.6	1200
2024-07-01	1169.4	1172.4	1167.6	1200
2024-06-01	1169.4	1172.4	1167.6	1200
2024-08-01	1169.4	1172.4	1167.6	1200
2024-04-01	1169.4	1172.4	1167.6	1200
2024-03-01	1169.4	1172.4	1167.6	1200
2024-02-01	1169.4	1172.4	1167.6	1200
2024-01-01	1203.9	1209.8	1167.6	1200
2023-12-01	1203.9	1209.8	1167.6	1200
2023-11-01	1203.9	1209.8	1167.6	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	2024 Gauteng Inter-Region Chess Championship (U16B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
2	Gauteng D7 Teams 2023 (U15)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	1	1	Yes	Analysis
3	Gauteng Schools D7 2023 (U15 Boys)	2023-05-20	2023-05-20	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
4	Gauteng Schools Individual Finals 2023 (U15 Boys)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
5	2022 South African Junior Team Chess Championships (U16 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	0	Yes	Analysis
6	OR Tambo Soncini Finals 2022 (Boys)	2022-10-29	2022-10-29	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
7	Overvaal Open 2022 (C)	2022-08-06	2022-08-06	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
8	Sedibeng Trials 20 November 2021 (A)	2021-11-20	2021-11-20	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
9	2019 South African Junior Team Championships (U12D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
10	Eagles Open 2019 (B)	2019-11-23	2019-11-23	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
11	Fonteine Ope 2019 (C)	2019-10-19	2019-10-19	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
12	GE vs GSV Inter Regional 2019 (U12A)	2019-10-26	2019-10-26	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
13	LS Voorwaarts & Dr P Hangelbroek Chess Open 2019 (D)	2019-08-31	2019-08-31	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
14	Vaal Chess Club Open 2019 (D)	2019-06-01	2019-06-01	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
15	Overvaal Chess Open 2019 (D)	2019-06-15	2019-06-15	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
16	Drie Riviere Open 2019 (D)	2019-06-08	2019-06-08	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
17	2019 Gauteng Primary Schools Individual Chess Championships (U11 Boys)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
18	D7 Individuals 2019 (U11 Boys)	2019-05-04	2019-05-04	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
19	Dirk de Koster Chess Open 2019 (D)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	4	2.5	Yes	Analysis
20	Eagle`s Open 2018 (C)	2018-12-08	2018-12-08	Standard	Sedibeng (GSV)	5	4	0.5	Yes	Analysis
21	South African Junior Team Championships 2018 (U12D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	4	Yes	Analysis
22	2018 Interregion Sedibeng vs Ekurhuleni (F)	2018-11-03	2018-11-03	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
23	Henley Open 2018 (C)	2018-09-08	2018-09-08	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
24	Eureka Chess Open 2018 (G)	2018-09-29	2018-09-29	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
25	Broadland`s Knights Chess Open 2018 (C)	2018-06-16	2018-06-16	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
26	D7 Primary School League 2023 (U11 Boys+Mixed)	2018-04-21	2018-04-21	Standard	Sedibeng (GSV)	5	4	3	Yes	Analysis
27	Henley Open 2018 (D)	2018-03-10	2018-03-10	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
28	Carels Open 2018 (D)	2018-03-03	2018-03-03	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
29	D7 Individual 2018 (U11 Boys)	2018-02-24	2018-02-24	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
30	South African Junior Team Championships 2017 (U10C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	6	Tournament Eagles Open 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-23	rnd 5	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 1
		Opponent Majola, O (Omphile)				Opponent Diale, O (Ompile)
2	6	Tournament Overvaal Chess Open 2019				Tournament LS Voorwaarts & Dr P Hangelbroek Chess Open 2019
		date 2019-06-15	rnd 2	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Van Biljon, S (Simone)				Opponent Abrahams, C (Caleb)
3	6	Tournament Vaal Chess Club Open 2019				Tournament Drie Riviere Open 2019
		date 2019-06-01	rnd 3	type Standard	result 1	date 2019-06-08	rnd 3	type Standard	result 1
		Opponent Swarts, M (Michaela)				Opponent Botha, K (Kriegler)

#	Games	Start				End
1	6	Tournament Eagles Open 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-23	rnd 5	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 1
		Opponent Majola, O (Omphile)				Opponent Diale, O (Ompile)
2	6	Tournament Overvaal Chess Open 2019				Tournament LS Voorwaarts & Dr P Hangelbroek Chess Open 2019
		date 2019-06-15	rnd 2	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Van Biljon, S (Simone)				Opponent Abrahams, C (Caleb)
3	6	Tournament Vaal Chess Club Open 2019				Tournament Drie Riviere Open 2019
		date 2019-06-01	rnd 3	type Standard	result 1	date 2019-06-08	rnd 3	type Standard	result 1
		Opponent Swarts, M (Michaela)				Opponent Botha, K (Kriegler)

#	Games	Start				End
1	1	Tournament OR Tambo Soncini Finals 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-10-29	rnd 3	type Rapid	result 1	date 2022-10-29	rnd 3	type Rapid	result 1
		Opponent Sephula, T (Tshepo)				Opponent Sephula, T (Tshepo)
2	1	Tournament OR Tambo Soncini Finals 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-10-29	rnd 1	type Rapid	result 1	date 2022-10-29	rnd 1	type Rapid	result 1
		Opponent Seethal, J (Jasean)				Opponent Seethal, J (Jasean)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Eagles Open 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-23	rnd 5	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 1
		Opponent Majola, O (Omphile)				Opponent Diale, O (Ompile)
2	6	Tournament Overvaal Chess Open 2019				Tournament LS Voorwaarts & Dr P Hangelbroek Chess Open 2019
		date 2019-06-15	rnd 2	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Van Biljon, S (Simone)				Opponent Abrahams, C (Caleb)
3	4	Tournament Gauteng Schools D7 2023				Tournament Gauteng Schools D7 2023
		date 2023-05-20	rnd 2	type Standard	result 1	date 2023-05-20	rnd 5	type Standard	result 1
		Opponent Du Toit, J (Jonathan)				Opponent Joubert, M (Malan)

#	Games	Start				End
1	6	Tournament Eagles Open 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-23	rnd 5	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 1
		Opponent Majola, O (Omphile)				Opponent Diale, O (Ompile)
2	6	Tournament Overvaal Chess Open 2019				Tournament LS Voorwaarts & Dr P Hangelbroek Chess Open 2019
		date 2019-06-15	rnd 2	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Van Biljon, S (Simone)				Opponent Abrahams, C (Caleb)
3	4	Tournament Gauteng Schools D7 2023				Tournament Gauteng Schools D7 2023
		date 2023-05-20	rnd 2	type Standard	result 1	date 2023-05-20	rnd 5	type Standard	result 1
		Opponent Du Toit, J (Jonathan)				Opponent Joubert, M (Malan)

#	Games	Start				End
1	1	Tournament OR Tambo Soncini Finals 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-10-29	rnd 3	type Rapid	result 1	date 2022-10-29	rnd 3	type Rapid	result 1
		Opponent Sephula, T (Tshepo)				Opponent Sephula, T (Tshepo)
2	1	Tournament OR Tambo Soncini Finals 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-10-29	rnd 1	type Rapid	result 1	date 2022-10-29	rnd 1	type Rapid	result 1
		Opponent Seethal, J (Jasean)				Opponent Seethal, J (Jasean)

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	Tolmay ,L (Llewellyn)	7	2.5	-121.4	7	2.5	-121.4	0	0	0	0	0	0
1	Tolmay ,L (Llewellyn)	7	1156.5	1035.1	7	1154.8	1035.1	0	0	0	0	0	0
2	Eberwein ,HJ (Heinrich Jurgen)	4	0	-425	4	0	-425	0	0	0	0	0	0
2	Eberwein ,HJ (Heinrich Jurgen)	4	1213.7	788.7	4	1198.1	788.7	0	0	0	0	0	0
3	Majola ,O (Omphile)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
3	Majola ,O (Omphile)	4	1175.2	1387.7	4	1165.9	1387.7	0	0	0	0	0	0
4	Pretorius ,PJ (Petrus)	2	1	0	2	1	0	0	0	0	0	0	0
4	Pretorius ,PJ (Petrus)	2	1161.8	1161.8	2	1155.8	1161.8	0	0	0	0	0	0
5	De Swardt ,C (Chrizander)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	De Swardt ,C (Chrizander)	2	1212.4	999.9	2	1193	999.9	0	0	0	0	0	0
6	Matla ,K (Kemuel)	2	2	425	2	2	425	0	0	0	0	0	0
6	Matla ,K (Kemuel)	2	1195.2	1620.2	2	1184.3	1620.2	0	0	0	0	0	0
7	Du Plooy ,J (Jumar)	2	2	425	2	2	425	0	0	0	0	0	0
7	Du Plooy ,J (Jumar)	2	1117.2	1542.2	2	1111.8	1542.2	0	0	0	0	0	0
8	Weber ,KP (Keagan Peter)	2	2	425	2	2	425	0	0	0	0	0	0
8	Weber ,KP (Keagan Peter)	2	1030.4	1455.4	2	1016.2	1455.4	0	0	0	0	0	0
9	Naude ,E (Enrique)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Naude ,E (Enrique)	2	1109.3	684.3	2	1115.5	684.3	0	0	0	0	0	0
10	Rajagpaul ,C (Cole)	2	2	425	2	2	425	0	0	0	0	0	0
10	Rajagpaul ,C (Cole)	2	1044.1	1469.1	2	1036.4	1469.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Els, JA (Jeffrey Allan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms