Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Jager, R (Renier)

Chess SA id

194006457

FIDE id

Date of birth

1994-01-09 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-04-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1643.5	1636.8	1374	1374
Raw rating	1643.5	1636.8	1374	1374
Weighted rating	1631	1625.3	1374	1374
Weighted performance	1337.4	1331.9	0	0
Floor	1143.5	1136.8	874	874
K-factor	28	28	36	36
Min/Max rating change allowed	88.1	89	129.4	129.4
Highest rating	1643.5 2024-05-01	1636.8 2024-05-01	1374 2024-02-01	1374 2024-02-01
Highest raw rating	1643.5 2024-05-01	1636.8 2024-05-01	1374 2024-02-01	1374 2024-02-01
Highest weighted rating	1621.7 2025-08-01	1616.7 2025-08-01	1374 2024-02-01	1374 2024-02-01
Highest weighted performance	1537.4 2024-04-01	1529.4 2024-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1643.5	1636.8	1374	1374
Analysis
Rating	1643.5	1636.8	1374	1374
Raw rating	1643.5	1636.8	1374	1374
Weighted rating	1631	1625.3	1374
Weighted performance	1337.4	1331.9	0
K-factor	28	28	36	36
Floor	1143.5	1136.8	874	874
Max/Min rating change allowed	88.1	89	129.4	129.4
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	1643.5	1636.8	1374	1374
New weighted rating	1634.7	1628.7	1374	1374
New weighted performance	1336.8	1331.3	0	0
Temp new rating	1643.5	1636.8	1374	1374
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1643.5	1636.8	1374	1374
New K-factor	28	28	36	36
New floor	1143.5	1136.8	874	874

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	17	17	0
	0	0	0
	10	10	0
	0	0	0
History	186	180	6

Games since
	Main 17	Standard 17		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	42	28.5	67.86	151.8	1414.1	1565.9
Standard	42	28.5	67.86	151.8	1414.1	1565.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1643.5	1636.8	1374	1374
2025-09-01	1643.5	1636.8	1374	1374
2025-08-01	1643.5	1636.8	1374	1374
2025-07-01	1643.5	1636.8	1374	1374
2025-06-01	1643.5	1636.8	1374	1374
2025-05-01	1643.5	1636.8	1374	1374
2025-04-01	1643.5	1636.8	1374	1374
2025-03-01	1643.5	1636.8	1374	1374
2025-02-01	1643.5	1636.8	1374	1374
2025-01-01	1643.5	1636.8	1374	1374
2024-12-01	1643.5	1636.8	1374	1374
2024-11-01	1643.5	1636.8	1374	1374
2024-10-01	1643.5	1636.8	1374	1374
2024-09-01	1643.5	1636.8	1374	1374
2024-08-01	1643.5	1636.8	1374	1374
2024-07-01	1643.5	1636.8	1374	1374
2024-06-01	1643.5	1636.8	1374	1374
2024-08-01	1643.5	1636.8	1374	1374
2024-04-01	1498.3	1502.2	1374	1374
2024-03-01	1451.7	1460	1374	1374
2024-02-01	1451.7	1460	1374	1374
2024-01-01	1451.7	1460	1374	1374
2023-12-01	1451.7	1460	1374	1374
2023-11-01	1451.7	1460	1374	1374

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 Silver Lakes Open Chess Tournament (A)	2024-04-20	2024-04-20	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
2	2024 Milos Ristic Open Chess Tournament (A)	2024-04-27	2024-04-27	Standard	Tshwane (GTP)	5	2	0	Yes	Analysis
3	2024 KSNG CHess Academy Open Tournament (A)	2024-04-06	2024-04-06	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
4	2024 Lubowski Open Chess Tournament (C)	2024-03-23	2024-03-24	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
5	2022 Alekhine Open (B)	2022-08-13	2022-08-14	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	CP Ope 2022 (B)	2022-02-19	2022-02-19	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	JNW Club - Bryanston Open 2 2018 (B)	2018-05-05	2018-05-05	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
8	JNW Club - Linden Open 2018 (B)	2018-04-14	2018-04-14	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
9	JNW Club - Trinityhouse Randpark Ridge Open 2018 (B)	2018-03-24	2018-03-24	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2018				Tournament JNW Club - Bryanston Open 2 2018
		date 2018-03-24	rnd 5	type Standard	result 1	date 2018-05-05	rnd 2	type Standard	result 1
		Opponent Carlinsky, R (Ruan)				Opponent Levitan, C (Caleb)
2	7	Tournament 2024 Lubowski Open Chess Tournament				Tournament 2024 KSNG CHess Academy Open Tournament
		date 2024-03-24	rnd 4	type Standard	result 1	date 2024-04-06	rnd 5	type Standard	result 0.5
		Opponent Senekal, J (Johan)				Opponent Li, Z (Zhengfei)
3	6	Tournament 2022 Alekhine Open				Tournament 2024 Lubowski Open Chess Tournament
		date 2022-08-13	rnd 2	type Standard	result 1	date 2024-03-23	rnd 2	type Standard	result 1
		Opponent Amrouni, A (Alexia Shakira)				Opponent Sibanda, AP (Andile Patience)

#	Games	Start				End
1	8	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2018				Tournament JNW Club - Bryanston Open 2 2018
		date 2018-03-24	rnd 5	type Standard	result 1	date 2018-05-05	rnd 2	type Standard	result 1
		Opponent Carlinsky, R (Ruan)				Opponent Levitan, C (Caleb)
2	7	Tournament 2024 Lubowski Open Chess Tournament				Tournament 2024 KSNG CHess Academy Open Tournament
		date 2024-03-24	rnd 4	type Standard	result 1	date 2024-04-06	rnd 5	type Standard	result 0.5
		Opponent Senekal, J (Johan)				Opponent Li, Z (Zhengfei)
3	6	Tournament 2022 Alekhine Open				Tournament 2024 Lubowski Open Chess Tournament
		date 2022-08-13	rnd 2	type Standard	result 1	date 2024-03-23	rnd 2	type Standard	result 1
		Opponent Amrouni, A (Alexia Shakira)				Opponent Sibanda, AP (Andile Patience)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament 2024 Lubowski Open Chess Tournament				Tournament 2024 KSNG CHess Academy Open Tournament
		date 2024-03-24	rnd 4	type Standard	result 1	date 2024-04-06	rnd 4	type Standard	result 1
		Opponent Senekal, J (Johan)				Opponent Schutte, W (Wian)
2	6	Tournament 2022 Alekhine Open				Tournament 2024 Lubowski Open Chess Tournament
		date 2022-08-13	rnd 2	type Standard	result 1	date 2024-03-23	rnd 2	type Standard	result 1
		Opponent Amrouni, A (Alexia Shakira)				Opponent Sibanda, AP (Andile Patience)
3	3	Tournament JNW Club - Linden Open 2018				Tournament JNW Club - Bryanston Open 2 2018
		date 2018-04-14	rnd 5	type Standard	result 1	date 2018-05-05	rnd 2	type Standard	result 1
		Opponent Naicker, S (Sheldon)				Opponent Levitan, C (Caleb)

#	Games	Start				End
1	6	Tournament 2024 Lubowski Open Chess Tournament				Tournament 2024 KSNG CHess Academy Open Tournament
		date 2024-03-24	rnd 4	type Standard	result 1	date 2024-04-06	rnd 4	type Standard	result 1
		Opponent Senekal, J (Johan)				Opponent Schutte, W (Wian)
2	6	Tournament 2022 Alekhine Open				Tournament 2024 Lubowski Open Chess Tournament
		date 2022-08-13	rnd 2	type Standard	result 1	date 2024-03-23	rnd 2	type Standard	result 1
		Opponent Amrouni, A (Alexia Shakira)				Opponent Sibanda, AP (Andile Patience)
3	3	Tournament JNW Club - Linden Open 2018				Tournament JNW Club - Bryanston Open 2 2018
		date 2018-04-14	rnd 5	type Standard	result 1	date 2018-05-05	rnd 2	type Standard	result 1
		Opponent Naicker, S (Sheldon)				Opponent Levitan, C (Caleb)

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	Schutte ,W (Wian)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Schutte ,W (Wian)	2	1542.2	1754.7	2	1531.7	1754.7	0	0	0	0	0	0
2	Potgieter ,E (Edward)	2	2	425	2	2	425	0	0	0	0	0	0
2	Potgieter ,E (Edward)	2	1065.6	1490.6	2	1066.1	1490.6	0	0	0	0	0	0
3	Gelderblom ,D (Daniel)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Gelderblom ,D (Daniel)	1	1275.7	1275.7	1	1275.7	1275.7	0	0	0	0	0	0
4	Shibambu ,K (Khenso Divine)	1	1	425	1	1	425	0	0	0	0	0	0
4	Shibambu ,K (Khenso Divine)	1	1543.5	1968.5	1	1543.4	1968.5	0	0	0	0	0	0
5	De Souza-Allegria ,M (Minette)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	De Souza-Allegria ,M (Minette)	1	1401.3	1401.3	1	1395.5	1401.3	0	0	0	0	0	0
6	Naicker ,S (Sheldon)	1	1	425	1	1	425	0	0	0	0	0	0
6	Naicker ,S (Sheldon)	1	1281.5	1706.5	1	1283.9	1706.5	0	0	0	0	0	0
7	Van Tonder ,J (Jaco)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Tonder ,J (Jaco)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Elvin ,D (David)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Elvin ,D (David)	1	1568.9	1143.9	1	1560.3	1143.9	0	0	0	0	0	0
9	Ndhlovu ,BB (Bhekisisa Bayani)	1	1	425	1	1	425	0	0	0	0	0	0
9	Ndhlovu ,BB (Bhekisisa Bayani)	1	1417.3	1842.3	1	1418.5	1842.3	0	0	0	0	0	0
10	Donald ,R (Ryan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Donald ,R (Ryan)	1	983.9	983.9	1	959.6	983.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

De Jager, R (Renier)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms