Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Jager, C (Christo)

Chess SA id

1150160553

FIDE id

Date of birth

2015-02-21 (U12)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

20.9

Junior GPX Points

1143

Item	Main	Standard	Rapid	Blitz
Rating	1216.1	1214.1	1200	1199.9
Raw rating	1216.1	1214.1	1200	1199.8
Weighted rating	1175.7	1168.9	1200	1199.9
Weighted performance	1191.2	1160.2	0	0
Floor	716.1	714.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	162	162.5	165.8	165.9
Highest rating	1216.1 2025-09-30	1214.1 2025-09-30	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1216.1 2025-09-30	1214.1 2025-09-30	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	-0
New rating	1216.1	1214.1	1200	1199.8
Analysis
Rating	1216.1	1214.1	1200	1199.9
Raw rating	1216.1	1214.1	1200	1199.8
Weighted rating	1175.7	1168.9	1200
Weighted performance	1191.2	1160.2	0
K-factor	36	36	36	36
Floor	716.1	714.1	700	700
Max/Min rating change allowed	162	162.5	165.8	165.9
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	1216.1	1214.1	1200	1199.8
New weighted rating	1179.2	1172.8	1200	1199.8
New weighted performance	1190.8	1159.8	0	0
Temp new rating	1216.1	1214.1	1200	1199.8
Temp new rating +/-	0	0	0	-0
Final new rating +/-	0	0	0	-0
New rating	1216.1	1214.1	1200	1199.8
New K-factor	36	36	36	36
New floor	716.1	714.1	700	700

Item	Main	Standard	Blitz
	0	0	0
	22	15	7
	5	5	0
	10	10	0
	0	0	0
	0	0	0
History	37	30	7

Games since
	Main 27	Standard 20		Rapid 0		Blitz 7
Gender	Male
Age group	U12
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	22	10.5	47.73	-19.3	1268	1248.7
Standard	15	7.5	50	0	1268.7	1268.7
Rapid	0	0	0	0	0	0
Blitz	7	3	42.86	-60.7	1266.4	1205.7
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	37	15.5	41.89	-68.9	1254.5	1185.5
Standard	30	12.5	41.67	-70.8	1251.7	1180.8
Rapid	0	0	0	0	0	0
Blitz	7	3	42.86	-60.7	1266.4	1205.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1216.1	1214.1	1200	1199.8
2025-09-01	1198.2	1193.2	1200	1199.8
2025-08-01	1198.2	1193.2	1200	1199.8
2025-07-01	1198.2	1193.2	1200	1198.7
2025-06-01	1165.8	1158.4	1200	1200
2025-05-01	1165.8	1158.4	1200	1200
2025-04-01	1165.8	1158.4	1200	1200
2025-03-01	1165.8	1158.4	1200	1200
2025-02-01	1165.2	1157.6	1200	1200
2025-01-01	1149.5	1136.6	1200	1200
2024-12-01	1149.5	1136.6	1200	1200
2024-11-01	1149.5	1136.6	1200	1200
2024-10-01	1169.8	1164	1200	1200
2024-09-01	1169.8	1164	1200	1200
2024-08-01	1169.8	1164	1200	1200
2024-07-01	1169.8	1164	1200	1200
2024-06-01	1169.8	1164	1200	1200
2024-08-01	1169.8	1164	1200	1200
2024-04-01	1169.8	1164	1200	1200
2024-03-01	1169.8	1164	1200	1200
2024-02-01	1169.8	1164	1200	1200
2024-01-01	1169.8	1164	1200	1200
2023-12-01	1169.8	1164	1200	1200
2023-11-01	1169.8	1164	1200	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	Laerskool Eligwa Open 20 Sept 2025 (E)	2025-09-20	2025-09-20	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
2	GDE (D8) Sedibeng West Schools - Teams 2025 (U9+U11)	2025-08-16	2025-08-16	Standard	Sedibeng (GSV)	5	0	0	No	Analysis
3	HS Driehoek Chess Open 2025 (E)	2025-06-14	2025-06-14	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
4	GDE (D8) Sedibeng West Schools Individuals 2025 (U11 Boys)	2025-06-07	2025-06-07	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
5	Vaal Chess Club Blitz Open 31 May 2025 (B)	2025-05-31	2025-05-31	Blitz	Sedibeng (GSV)	7	7	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Laerskool Eligwa Open 20 Sept 2025 (E)	2025-09-20	2025-09-20	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
2	GDE (D8) Sedibeng West Schools - Teams 2025 (U9+U11)	2025-08-16	2025-08-16	Standard	Sedibeng (GSV)	5	0	0	No	Analysis
3	HS Driehoek Chess Open 2025 (E)	2025-06-14	2025-06-14	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
4	GDE (D8) Sedibeng West Schools Individuals 2025 (U11 Boys)	2025-06-07	2025-06-07	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
5	Vaal Chess Club Blitz Open 31 May 2025 (B)	2025-05-31	2025-05-31	Blitz	Sedibeng (GSV)	7	7	3	Yes	Analysis
6	Gauteng Top Schools 2024 (U9 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
7	2023 Gauteng Top Schools (U9 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
8	2023 Sedibeng West District Schools Chess Tournament (U9+U11)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Laerskool Eligwa Open 20 Sept 2025				Tournament Laerskool Eligwa Open 20 Sept 2025
		date 2025-09-20	rnd 2	type Standard	result 1	date 2025-09-20	rnd 3	type Standard	result 1
		Opponent Zimny, Z (Zanie)				Opponent Allott, D (Dunay)
2	2	Tournament GDE (D8) Sedibeng West Schools Individuals 2025				Tournament GDE (D8) Sedibeng West Schools Individuals 2025
		date 2025-06-07	rnd 3	type Standard	result 1	date 2025-06-07	rnd 4	type Standard	result 1
		Opponent Ngubeni, T (Tsakane)				Opponent Venter, D (Daniel)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 4	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Mabotse, T (Tshepang)				Opponent Maree, C (Conrad)

#	Games	Start				End
1	2	Tournament Laerskool Eligwa Open 20 Sept 2025				Tournament Laerskool Eligwa Open 20 Sept 2025
		date 2025-09-20	rnd 2	type Standard	result 1	date 2025-09-20	rnd 3	type Standard	result 1
		Opponent Zimny, Z (Zanie)				Opponent Allott, D (Dunay)
2	2	Tournament GDE (D8) Sedibeng West Schools Individuals 2025				Tournament GDE (D8) Sedibeng West Schools Individuals 2025
		date 2025-06-07	rnd 3	type Standard	result 1	date 2025-06-07	rnd 4	type Standard	result 1
		Opponent Ngubeni, T (Tsakane)				Opponent Venter, D (Daniel)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 4	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Mabotse, T (Tshepang)				Opponent Maree, C (Conrad)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 5	type Blitz	result 1	date 2025-05-31	rnd 5	type Blitz	result 1
		Opponent Dithane, K (Kabo Legahwe)				Opponent Dithane, K (Kabo Legahwe)
2	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 3	type Blitz	result 1	date 2025-05-31	rnd 3	type Blitz	result 1
		Opponent Masemola, M (Mabotsi)				Opponent Masemola, M (Mabotsi)
3	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 1	type Blitz	result 1	date 2025-05-31	rnd 1	type Blitz	result 1
		Opponent Meyer, R (Ryan)				Opponent Meyer, R (Ryan)

#	Games	Start				End
1	2	Tournament Laerskool Eligwa Open 20 Sept 2025				Tournament Laerskool Eligwa Open 20 Sept 2025
		date 2025-09-20	rnd 2	type Standard	result 1	date 2025-09-20	rnd 3	type Standard	result 1
		Opponent Zimny, Z (Zanie)				Opponent Allott, D (Dunay)
2	2	Tournament GDE (D8) Sedibeng West Schools Individuals 2025				Tournament GDE (D8) Sedibeng West Schools Individuals 2025
		date 2025-06-07	rnd 3	type Standard	result 1	date 2025-06-07	rnd 4	type Standard	result 1
		Opponent Ngubeni, T (Tsakane)				Opponent Venter, D (Daniel)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 4	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Mabotse, T (Tshepang)				Opponent Maree, C (Conrad)

#	Games	Start				End
1	2	Tournament Laerskool Eligwa Open 20 Sept 2025				Tournament Laerskool Eligwa Open 20 Sept 2025
		date 2025-09-20	rnd 2	type Standard	result 1	date 2025-09-20	rnd 3	type Standard	result 1
		Opponent Zimny, Z (Zanie)				Opponent Allott, D (Dunay)
2	2	Tournament GDE (D8) Sedibeng West Schools Individuals 2025				Tournament GDE (D8) Sedibeng West Schools Individuals 2025
		date 2025-06-07	rnd 3	type Standard	result 1	date 2025-06-07	rnd 4	type Standard	result 1
		Opponent Ngubeni, T (Tsakane)				Opponent Venter, D (Daniel)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 4	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Mabotse, T (Tshepang)				Opponent Maree, C (Conrad)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 5	type Blitz	result 1	date 2025-05-31	rnd 5	type Blitz	result 1
		Opponent Dithane, K (Kabo Legahwe)				Opponent Dithane, K (Kabo Legahwe)
2	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 3	type Blitz	result 1	date 2025-05-31	rnd 3	type Blitz	result 1
		Opponent Masemola, M (Mabotsi)				Opponent Masemola, M (Mabotsi)
3	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 1	type Blitz	result 1	date 2025-05-31	rnd 1	type Blitz	result 1
		Opponent Meyer, R (Ryan)				Opponent Meyer, R (Ryan)

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	Hurter ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Hurter ,C (Christiaan)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Ngubeni ,T (Tsakane)	1	1	425	1	1	425	0	0	0	0	0	0
2	Ngubeni ,T (Tsakane)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Zimny ,Z (Zanie)	1	1	425	1	1	425	0	0	0	0	0	0
3	Zimny ,Z (Zanie)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Roux ,R (Rivan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Roux ,R (Rivan)	1	1266	841	1	1266.8	841	0	0	0	0	0	0
5	Mbaswana ,Y (Yolanda)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mbaswana ,Y (Yolanda)	1	1200.3	775.3	1	1200.7	775.3	0	0	0	0	0	0
6	Roder ,A (Adam)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Roder ,A (Adam)	1	1249.4	824.4	1	1254.3	824.4	0	0	0	0	0	0
7	Maree ,C (Conrad)	1	1	425	1	1	425	0	0	0	0	0	0
7	Maree ,C (Conrad)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Nondiza ,E (Emily)	1	1	425	1	1	425	0	0	0	0	0	0
8	Nondiza ,E (Emily)	1	1183.9	1608.9	1	1180.6	1608.9	0	0	0	0	0	0
9	Shabalala ,A (Aphiwe Lwandle)	1	1	425	1	1	425	0	0	0	0	0	0
9	Shabalala ,A (Aphiwe Lwandle)	1	1143.9	1568.9	1	1150.7	1568.9	0	0	0	0	0	0
10	Kuhlase ,P (Prince)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Kuhlase ,P (Prince)	1	1200	775	1	1200	775	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, C (Christo)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms