Chess South Africa Ratings Database

PLAYER PAGE

Personal

Deans, J (Jarred)

Chess SA id

108088044

FIDE id

Date of birth

2008-02-06 (U18)

Gender

Male

Region

Ekurhuleni (GE)

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

1409.4

Item	Main	Standard	Rapid	Blitz
Rating	1146.6	1150.3	635.4	673.8
Raw rating	1146.6	1150.3	635.4	673.8
Weighted rating	1086.7	1078.6	635.4	673.8
Weighted performance	950.8	946.4	0	0
Floor	646.6	650.3	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	178.9	178	370.7	350.9
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2018-02-01
Highest raw rating	1146.6 2025-09-01	1150.3 2025-09-01	635.4 2024-02-01	673.8 2024-02-01
Highest weighted rating	1135.7 2024-11-01	1138.9 2024-11-01	635.4 2024-11-01	673.8 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1146.6	1150.3	635.4	673.8
Analysis
Rating	1146.6	1150.3	635.4	673.8
Raw rating	1146.6	1150.3	635.4	673.8
Weighted rating	1086.7	1078.6	635.4
Weighted performance	950.8	946.4	0
K-factor	40	40	40	40
Floor	646.6	650.3	500	500
Max/Min rating change allowed	178.9	178	370.7	350.9
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	1146.6	1150.3	635.4	673.8
New weighted rating	1092.6	1085.6	635.4	673.8
New weighted performance	950.4	946	0	0
Temp new rating	1146.6	1150.3	635.4	673.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1146.6	1150.3	635.4	673.8
New K-factor	40	40	40	40
New floor	646.6	650.3	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	10	10	0	0
	0	0	0	0
	0	0	0	0
	5	5	0	0
	0	0	0	0
History	260	222	31	7

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
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	10	6	60	85	1244.9	1329.9
Standard	10	6	60	85	1244.9	1329.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	167	76.5	45.81	-35.6	1011.6	975.9
Standard	160	73.5	45.94	-34.5	1009.1	974.5
Rapid	0	0	0	0	0	0
Blitz	7	3	42.86	-60.7	1068.7	1008

Date	Main	Standard	Rapid	Blitz
2025-09-30	1146.6	1150.3	635.4	673.8
2025-09-01	1146.6	1150.3	635.4	673.8
2025-08-01	1135.7	1138.9	635.4	673.8
2025-07-01	1135.7	1138.9	635.4	673.8
2025-06-01	1135.7	1138.9	635.4	673.8
2025-05-01	1055.7	1040.8	635.4	673.8
2025-04-01	1055.7	1040.8	635.4	673.8
2025-03-01	1055.7	1040.8	635.4	673.8
2025-02-01	1055.7	1040.8	635.4	673.8
2025-01-01	1055.7	1040.8	635.4	673.8
2024-12-01	1055.7	1040.8	635.4	673.8
2024-11-01	1055.7	1040.8	635.4	673.8
2024-10-01	1055.7	1040.8	635.4	673.8
2024-09-01	1055.7	1040.8	635.4	673.8
2024-08-01	1055.7	1040.8	635.4	673.8
2024-07-01	1055.7	1040.8	635.4	673.8
2024-06-01	1055.7	1040.8	635.4	673.8
2024-08-01	1055.7	1040.8	635.4	673.8
2024-04-01	1055.7	1040.8	635.4	673.8
2024-03-01	1055.7	1040.8	635.4	673.8
2024-02-01	1055.7	1040.8	635.4	673.8
2024-01-01	1055.7	1040.8	635.4	673.8
2023-12-01	1055.7	1040.8	635.4	673.8
2023-11-01	1055.7	1040.8	635.4	673.8

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	D6 High School Teams Final 2025 (U19)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	D6 HS Teams Alberton & Germiston 2025 (U19A)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	D6 High School Teams Final 2025 (U19)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	D6 HS Teams Alberton & Germiston 2025 (U19A)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
3	2022 Gauteng Schools Team Championships (U15 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
4	Alberton Chess Club Open 2020 (D)	2020-02-22	2020-02-22	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Springs Chess Club Open 2020 (C)	2020-01-25	2020-01-25	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
6	Boksburg Chess Club Open 2019 (C)	2019-07-13	2019-07-13	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
7	Ekurhuleni Trials (3)	2019-06-08	2019-06-08	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
8	2019 Gauteng Primary Schools Individual Chess Championships (U11 Boys)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
9	Ekurhuleni South School Chess 2019 (U11 Boys)	2019-05-11	2019-05-11	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
10	Primrose Chess Club Open 2019 (C)	2019-04-13	2019-04-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
11	Ekurhuleni Trials 2 2019 (U12)	2019-04-27	2019-04-27	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
12	Ekurhuleni Trials 1 2019 (U12)	2019-03-09	2019-03-09	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
13	Alberton Chess Club Open 2019 (C)	2019-02-23	2019-02-23	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
14	JNW Club - Bryanston Open 1 2019 (C)	2019-01-26	2019-01-26	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
15	South African Junior Blitz 2018 (U12)	2018-12-19	2018-12-19	Blitz	4 Knights (4K)	7	7	3	Yes	Analysis
16	2018 Wild Card Chess Championships (U12 Open)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
17	South African Junior Team Championships 2018 (U12C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
18	Inter Region GE vs JHB Metro 2018 (U12C)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
19	Ekurhuleni Grand Prix Open 2018 (C)	2018-09-14	2018-09-15	Standard	Ekurhuleni (GE)	6	6	3	Yes	Analysis
20	Ekurhuleni Open 2018 (C)	2018-08-18	2018-08-18	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
21	Witfield Open 2018 (C)	2018-07-21	2018-07-21	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis
22	Primrose Chess Club Open 2018 (D)	2018-06-02	2018-06-02	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
23	Ekurhuleni Trials 3 2018 (U12)	2018-06-16	2018-06-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
24	JNW Club - Bryanston Open 2 2018 (D)	2018-05-05	2018-05-05	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
25	Ekurhuleni Trials 2 2018 (U12)	2018-04-21	2018-04-21	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
26	2018 Crawford Open (D)	2018-03-24	2018-03-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
27	The Outpost Chess Club Open 2018 (C)	2018-03-16	2018-03-17	Standard	Johannesburg Metro (GJM)	6	6	2.5	Yes	Analysis
28	Human Rights Day Open 2018 (C)	2018-03-21	2018-03-21	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
29	Ekurhuleni Trials 1 2018 (U12)	2018-03-10	2018-03-10	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
30	Brakpan Open 2018 (C)	2018-02-24	2018-02-24	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
31	Johan Jurgens Open 2018 (C)	2018-01-26	2018-01-27	Standard	Ekurhuleni (GE)	6	6	2	Yes	Analysis
32	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	4	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 High School Teams Final 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Lukhozi, N (Noluthando)				Opponent Naidoo, J (Janeshan)
2	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 0.5	date 2018-12-19	rnd 6	type Standard	result 1
		Opponent Botha, K (Kriegler)				Opponent Durocher-Yvan, R (Raphael)
3	3	Tournament Alberton Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Da Silva, M (Michael)				Opponent Potgieter, W (Wiehan)

#	Games	Start				End
1	4	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 High School Teams Final 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Lukhozi, N (Noluthando)				Opponent Naidoo, J (Janeshan)
2	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 0.5	date 2018-12-19	rnd 6	type Standard	result 1
		Opponent Botha, K (Kriegler)				Opponent Durocher-Yvan, R (Raphael)
3	3	Tournament Alberton Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Da Silva, M (Michael)				Opponent Potgieter, W (Wiehan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 7	type Blitz	result 1	date 2018-12-19	rnd 7	type Blitz	result 1
		Opponent Black, C (Connor)				Opponent Black, C (Connor)
2	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 4	type Blitz	result 1	date 2018-12-19	rnd 4	type Blitz	result 1
		Opponent Surujhlal, A (Arav)				Opponent Surujhlal, A (Arav)
3	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 2	type Blitz	result 1	date 2018-12-19	rnd 2	type Blitz	result 1
		Opponent Ballim, Y (Yahya)				Opponent Ballim, Y (Yahya)

#	Games	Start				End
1	4	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 High School Teams Final 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Lukhozi, N (Noluthando)				Opponent Naidoo, J (Janeshan)
2	3	Tournament Alberton Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Da Silva, M (Michael)				Opponent Potgieter, W (Wiehan)
3	3	Tournament Ekurhuleni South School Chess 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-05-11	rnd 1	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Baker, T (Tyrone)				Opponent Lange, J (Jean-Luc)

#	Games	Start				End
1	4	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 High School Teams Final 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Lukhozi, N (Noluthando)				Opponent Naidoo, J (Janeshan)
2	3	Tournament Alberton Chess Club Open 2020				Tournament Alberton Chess Club Open 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Da Silva, M (Michael)				Opponent Potgieter, W (Wiehan)
3	3	Tournament Ekurhuleni South School Chess 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-05-11	rnd 1	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Baker, T (Tyrone)				Opponent Lange, J (Jean-Luc)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 7	type Blitz	result 1	date 2018-12-19	rnd 7	type Blitz	result 1
		Opponent Black, C (Connor)				Opponent Black, C (Connor)
2	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 4	type Blitz	result 1	date 2018-12-19	rnd 4	type Blitz	result 1
		Opponent Surujhlal, A (Arav)				Opponent Surujhlal, A (Arav)
3	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 2	type Blitz	result 1	date 2018-12-19	rnd 2	type Blitz	result 1
		Opponent Ballim, Y (Yahya)				Opponent Ballim, Y (Yahya)

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	Hawkins ,J (Joshua)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
1	Hawkins ,J (Joshua)	3	928.3	645	3	925.2	645	0	0	0	0	0	0
2	Terblanche ,A (Anja)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Terblanche ,A (Anja)	3	910.5	485.5	3	912.5	485.5	0	0	0	0	0	0
3	Gibbens ,JG (Johannes)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Gibbens ,JG (Johannes)	2	976.7	551.7	2	975.8	551.7	0	0	0	0	0	0
4	Fauconier ,A (Amber)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Fauconier ,A (Amber)	2	1016.4	591.4	2	1006.8	591.4	0	0	0	0	0	0
5	Pretorius ,WJM (Martienus)	2	1	0	2	1	0	0	0	0	0	0	0
5	Pretorius ,WJM (Martienus)	2	624.8	624.8	2	631	624.8	0	0	0	0	0	0
6	Kgwele ,D (Ditiro)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Kgwele ,D (Ditiro)	2	908.6	483.6	2	901.5	483.6	0	0	0	0	0	0
7	Greyling ,S (Schalk)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
7	Greyling ,S (Schalk)	2	1167.1	954.6	2	1159.6	954.6	0	0	0	0	0	0
8	Lewis ,J (Jacques)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Lewis ,J (Jacques)	2	827	402	2	827.5	402	0	0	0	0	0	0
9	Macdonald ,B (Brandon)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Macdonald ,B (Brandon)	2	929.9	504.9	2	937.4	504.9	0	0	0	0	0	0
10	Nwafor ,B (Blessing)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Nwafor ,B (Blessing)	2	1112.6	687.6	2	1107.2	687.6	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

Deans, J (Jarred)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms