Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Jager, J (Jacques)

Chess SA id

109076153

FIDE id

Date of birth

2009-11-09 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1197.5	1192.4	702	500
Raw rating	1197.5	1192.4	702	500
Weighted rating	1197.1	1191.6	702	500
Weighted performance	566.7	564.7	0	0
Floor	697.5	692.4	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	166.4	167.6	337.1	449.5
Highest rating	1206.6 2020-02-01	1200 2024-11-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	1197.5 2024-09-01	1192.4 2024-09-01	702 2024-02-01	500 2024-02-01
Highest weighted rating	1197.5 2024-11-01	1192.4 2024-11-01	702 2024-11-01	500 2024-11-01
Highest weighted performance	1206.6 2020-02-01	1200 2024-12-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1197.5	1192.4	702	500
Analysis
Rating	1197.5	1192.4	702	500
Raw rating	1197.5	1192.4	702	500
Weighted rating	1197.1	1191.6	702
Weighted performance	566.7	564.7	0
K-factor	40	40	40	40
Floor	697.5	692.4	500	500
Max/Min rating change allowed	166.4	167.6	337.1	449.5
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	1197.5	1192.4	702	500
New weighted rating	1197.1	1191.8	702	500
New weighted performance	559.6	557.7	0	0
Temp new rating	1197.5	1192.4	702	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1197.5	1192.4	702	500
New K-factor	40	40	40	40
New floor	697.5	692.4	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	5	0
	0	0	0
	0	0	0
	0	0	0
History	155	145	10

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
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	100	44	44	-51	1075.5	1024.5
Standard	90	38	42.22	-66.1	1078.1	1012
Rapid	10	6	60	85	1052.5	1137.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1197.5	1192.4	702	500
2025-09-30	1197.5	1192.4	702	500
2025-09-01	1197.5	1192.4	702	500
2025-08-01	1197.5	1192.4	702	500
2025-07-01	1197.5	1192.4	702	500
2025-06-01	1197.5	1192.4	702	500
2025-05-01	1197.5	1192.4	702	500
2025-04-01	1197.5	1192.4	702	500
2025-03-01	1197.5	1192.4	702	500
2025-02-01	1197.5	1192.4	702	500
2025-01-01	1197.5	1192.4	702	500
2024-12-01	1197.5	1192.4	702	500
2024-11-01	1197.5	1192.4	702	500
2024-10-01	1197.5	1192.4	702	500
2024-09-01	1197.5	1192.4	702	500
2024-08-01	1194.5	1187.2	702	500
2024-07-01	1194.5	1187.2	702	500
2024-09-01	1194.5	1187.2	702	500
2024-05-01	1194.5	1187.2	702	500
2024-04-01	1194.5	1187.2	702	500
2024-03-01	1194.5	1187.2	702	500
2024-02-01	1194.5	1187.2	702	500
2024-01-01	1194.5	1187.2	702	500
2023-12-01	1194.5	1187.2	702	500

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	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U15A)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
2	2020 Blou Bul (D)	2020-02-15	2020-02-15	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	2020 Registration Tournament (D)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	3	1.5	Yes	Analysis
4	2019 South African Junior Team Championships (U12E)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	3.5	Yes	Analysis
5	2019 TC SAJCC Prep Tournament (B)	2019-11-30	2019-11-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	2019 Etienne Lewis Trials (U12 Boys)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	6	2	Yes	Analysis
7	2019 Mid-Gauteng Open (D)	2019-08-17	2019-08-17	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
8	2019 Alekhine Open (D)	2019-08-09	2019-08-10	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
9	2019 Menlo Open (D)	2019-07-13	2019-07-13	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	2019 Swartkop Open (D)	2019-06-15	2019-06-15	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
11	2019 Super 12 Laerskole (Juniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
12	2019 Chris Greyling (D)	2019-04-27	2019-04-27	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
13	2019 Constantia Park Open (D)	2019-02-09	2019-02-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
14	2018 Menlo Open Chess Tournament (D)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
15	2018 Swartkop Open (D)	2018-06-23	2018-06-23	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
16	2018 Super 12 (Junior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
17	2018 D4 Tshwane North Individual Chess Championships (U9 Boys)	2018-03-10	2018-03-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
18	2018 Crawford Open (E)	2018-03-24	2018-03-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
19	2018 Constantia Park Open (E)	2018-02-10	2018-02-10	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
20	2018 Blou Bul Open (E)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2020 Blou Bul				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2020-02-15	rnd 2	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent De Jager, G (Gustave)				Opponent Kiiyang, K (Khan)
2	3	Tournament 2019 South African Junior Team Championships				Tournament 2020 Registration Tournament
		date 2020-01-07	rnd 6	type Standard	result 0.5	date 2020-01-25	rnd 2	type Standard	result 0.5
		Opponent Van Wyk, A (Annemie)				Opponent Weitz, C (Christiaan)
3	3	Tournament 2019 TC SAJCC Prep Tournament				Tournament 2019 South African Junior Team Championships
		date 2019-11-30	rnd 5	type Standard	result 1	date 2020-01-04	rnd 2	type Standard	result 1
		Opponent Grahan, C (Chie-Ann)				Opponent Kometsi, N (Nkanyezi)

#	Games	Start				End
1	5	Tournament 2020 Blou Bul				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2020-02-15	rnd 2	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent De Jager, G (Gustave)				Opponent Kiiyang, K (Khan)
2	3	Tournament 2019 South African Junior Team Championships				Tournament 2020 Registration Tournament
		date 2020-01-07	rnd 6	type Standard	result 0.5	date 2020-01-25	rnd 2	type Standard	result 0.5
		Opponent Van Wyk, A (Annemie)				Opponent Weitz, C (Christiaan)
3	3	Tournament 2019 TC SAJCC Prep Tournament				Tournament 2019 South African Junior Team Championships
		date 2019-11-30	rnd 5	type Standard	result 1	date 2020-01-04	rnd 2	type Standard	result 1
		Opponent Grahan, C (Chie-Ann)				Opponent Kometsi, N (Nkanyezi)

#	Games	Start				End
1	2	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 2	type Rapid	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Pucjlowski, M (Marichke)				Opponent Sutherland, Y (Yunay)
2	2	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 2	type Rapid	result 1
		Opponent Jansen Van Vuuren, L (Lourein)				Opponent Streaton, L (Lene)
3	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2019-05-04	rnd 5	type Rapid	result 1
		Opponent Gouws, L (Lourens)				Opponent Gouws, L (Lourens)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2020 Blou Bul				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2020-02-15	rnd 2	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent De Jager, G (Gustave)				Opponent Kiiyang, K (Khan)
2	3	Tournament 2019 TC SAJCC Prep Tournament				Tournament 2019 South African Junior Team Championships
		date 2019-11-30	rnd 5	type Standard	result 1	date 2020-01-04	rnd 2	type Standard	result 1
		Opponent Grahan, C (Chie-Ann)				Opponent Kometsi, N (Nkanyezi)
3	3	Tournament 2019 Constantia Park Open				Tournament 2019 Constantia Park Open
		date 2019-02-09	rnd 3	type Standard	result 1	date 2019-02-09	rnd 5	type Standard	result 1
		Opponent Gous, S (Shalane)				Opponent Vlok, J (Jan)

#	Games	Start				End
1	5	Tournament 2020 Blou Bul				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2020-02-15	rnd 2	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent De Jager, G (Gustave)				Opponent Kiiyang, K (Khan)
2	3	Tournament 2019 TC SAJCC Prep Tournament				Tournament 2019 South African Junior Team Championships
		date 2019-11-30	rnd 5	type Standard	result 1	date 2020-01-04	rnd 2	type Standard	result 1
		Opponent Grahan, C (Chie-Ann)				Opponent Kometsi, N (Nkanyezi)
3	3	Tournament 2019 Constantia Park Open				Tournament 2019 Constantia Park Open
		date 2019-02-09	rnd 3	type Standard	result 1	date 2019-02-09	rnd 5	type Standard	result 1
		Opponent Gous, S (Shalane)				Opponent Vlok, J (Jan)

#	Games	Start				End
1	2	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 2	type Rapid	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Pucjlowski, M (Marichke)				Opponent Sutherland, Y (Yunay)
2	2	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 2	type Rapid	result 1
		Opponent Jansen Van Vuuren, L (Lourein)				Opponent Streaton, L (Lene)
3	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2019-05-04	rnd 5	type Rapid	result 1
		Opponent Gouws, L (Lourens)				Opponent Gouws, L (Lourens)

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	Moolman ,R (Reinhardt)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Moolman ,R (Reinhardt)	2	1042.7	617.7	2	1060.9	617.7	0	0	0	0	0	0
2	Johnstone ,J (Jessica)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Johnstone ,J (Jessica)	2	1009.8	584.8	2	995	584.8	0	0	0	0	0	0
3	Stoltz ,J (Jenog)	2	1	0	2	1	0	0	0	0	0	0	0
3	Stoltz ,J (Jenog)	2	1072.3	1072.3	2	1067.6	1072.3	0	0	0	0	0	0
4	Coetzee ,CH (Handre)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Coetzee ,CH (Handre)	2	653.7	228.7	2	683.6	228.7	0	0	0	0	0	0
5	Nel ,H (Henco)	2	2	425	2	2	425	0	0	0	0	0	0
5	Nel ,H (Henco)	2	986.6	1411.6	2	995.9	1411.6	0	0	0	0	0	0
6	Henning ,T (Tiaan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Henning ,T (Tiaan)	2	1200	1412.5	2	1200	1412.5	0	0	0	0	0	0
7	Beukes ,A (Anton)	2	1	0	2	1	0	0	0	0	0	0	0
7	Beukes ,A (Anton)	2	1200	1200	2	1200	1200	0	0	0	0	0	0
8	Vlok ,J (Jan)	2	2	425	2	2	425	0	0	0	0	0	0
8	Vlok ,J (Jan)	2	796.7	1221.7	2	796.8	1221.7	0	0	0	0	0	0
9	Elliott ,C (Cayden)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Elliott ,C (Cayden)	2	1183.6	758.6	2	1180.3	758.6	0	0	0	0	0	0
10	Shuping ,O (Onthatile)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
10	Shuping ,O (Onthatile)	2	1286.6	1074.1	2	1279.4	1074.1	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

De Jager, J (Jacques)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms