Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, HC (Henry Cornelius)

Chess SA id

109093218

FIDE id

Date of birth

2009-04-23 (U18)

Gender

Male

Region

Tshwane (GTP)

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

Item	Main	Standard	Rapid	Blitz
Rating	1319.7	1334	1200	1200
Raw rating	1319.7	1334	1200	1200
Weighted rating	1280.6	1288.6	1200	1200
Weighted performance	0	0	0	0
Floor	819.7	834	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	139.8	137	165.8	165.8
Highest rating	1337.6 2018-08-01	1334 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1319.7 2025-09-01	1334 2025-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1277 2025-09-01	1284.5 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1337.6 2018-08-01	1332.3 2018-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1319.7	1334	1200	1200
Analysis
Rating	1319.7	1334	1200	1200
Raw rating	1319.7	1334	1200	1200
Weighted rating	1280.6	1288.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	819.7	834	700	700
Max/Min rating change allowed	139.8	137	165.8	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	1319.7	1334	1200	1200
New weighted rating	1284	1292.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1319.7	1334	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1319.7	1334	1200	1200
New K-factor	36	36	36	36
New floor	819.7	834	700	700

Item	Main	Standard
	0	0
	5	5
	0	0
	0	0
	5	5
	0	0
History	26	26

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	5	4	80	255	1275.1	1530.1
Standard	5	4	80	255	1275.1	1530.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	15	75	212.5	1179.9	1392.4
Standard	20	15	75	212.5	1179.9	1392.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1319.7	1334	1200	1200
2025-09-01	1319.7	1334	1200	1200
2025-08-01	1273.3	1280.2	1200	1200
2025-07-01	1273.3	1280.2	1200	1200
2025-06-01	1273.3	1280.2	1200	1200
2025-05-01	1273.3	1280.2	1200	1200
2025-04-01	1273.3	1280.2	1200	1200
2025-03-01	1273.3	1280.2	1200	1200
2025-02-01	1273.3	1280.2	1200	1200
2025-01-01	1273.3	1280.2	1200	1200
2024-12-01	1273.3	1280.2	1200	1200
2024-11-01	1273.3	1280.2	1200	1200
2024-10-01	1273.3	1280.2	1200	1200
2024-09-01	1273.3	1280.2	1200	1200
2024-08-01	1273.3	1280.2	1200	1200
2024-07-01	1273.3	1280.2	1200	1200
2024-06-01	1273.3	1280.2	1200	1200
2024-08-01	1273.3	1280.2	1200	1200
2024-04-01	1273.3	1280.2	1200	1200
2024-03-01	1273.3	1280.2	1200	1200
2024-02-01	1273.3	1280.2	1200	1200
2024-01-01	1273.3	1280.2	1200	1200
2023-12-01	1273.3	1280.2	1200	1200
2023-11-01	1273.3	1280.2	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	2025 Tshwane South School District CLOSED League Championship (U17A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U17A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	D4 Play Offs 2022 (U13)	2022-07-30	2022-07-30	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	2018 Gauteng League Final (U9)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
4	2018 D4 Tshwane South Schools League Finals (U9)	2018-08-03	2018-08-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament D4 Play Offs 2022				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2022-07-30	rnd 5	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Jansen Van Rensburg, N (Nicholas)				Opponent Rodi, L (Lwazi)
2	4	Tournament 2018 Gauteng League Final				Tournament D4 Play Offs 2022
		date 2018-08-24	rnd 5	type Standard	result 1	date 2022-07-30	rnd 3	type Standard	result 1
		Opponent Louw, U (Ulrich)				Opponent Pillay, K (Ketana)
3	4	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 Gauteng League Final
		date 2018-08-03	rnd 5	type Standard	result 1	date 2018-08-24	rnd 3	type Standard	result 1
		Opponent Jacobs, H (Hanno)				Opponent Grobbelaar, G (Gideon)

#	Games	Start				End
1	5	Tournament D4 Play Offs 2022				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2022-07-30	rnd 5	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Jansen Van Rensburg, N (Nicholas)				Opponent Rodi, L (Lwazi)
2	4	Tournament 2018 Gauteng League Final				Tournament D4 Play Offs 2022
		date 2018-08-24	rnd 5	type Standard	result 1	date 2022-07-30	rnd 3	type Standard	result 1
		Opponent Louw, U (Ulrich)				Opponent Pillay, K (Ketana)
3	4	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 Gauteng League Final
		date 2018-08-03	rnd 5	type Standard	result 1	date 2018-08-24	rnd 3	type Standard	result 1
		Opponent Jacobs, H (Hanno)				Opponent Grobbelaar, G (Gideon)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament D4 Play Offs 2022				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2022-07-30	rnd 5	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Jansen Van Rensburg, N (Nicholas)				Opponent Rodi, L (Lwazi)
2	4	Tournament 2018 Gauteng League Final				Tournament D4 Play Offs 2022
		date 2018-08-24	rnd 5	type Standard	result 1	date 2022-07-30	rnd 3	type Standard	result 1
		Opponent Louw, U (Ulrich)				Opponent Pillay, K (Ketana)
3	4	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 Gauteng League Final
		date 2018-08-03	rnd 5	type Standard	result 1	date 2018-08-24	rnd 3	type Standard	result 1
		Opponent Jacobs, H (Hanno)				Opponent Grobbelaar, G (Gideon)

#	Games	Start				End
1	5	Tournament D4 Play Offs 2022				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2022-07-30	rnd 5	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Jansen Van Rensburg, N (Nicholas)				Opponent Rodi, L (Lwazi)
2	4	Tournament 2018 Gauteng League Final				Tournament D4 Play Offs 2022
		date 2018-08-24	rnd 5	type Standard	result 1	date 2022-07-30	rnd 3	type Standard	result 1
		Opponent Louw, U (Ulrich)				Opponent Pillay, K (Ketana)
3	4	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 Gauteng League Final
		date 2018-08-03	rnd 5	type Standard	result 1	date 2018-08-24	rnd 3	type Standard	result 1
		Opponent Jacobs, H (Hanno)				Opponent Grobbelaar, G (Gideon)

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	Wang ,Y (Yiren)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Wang ,Y (Yiren)	2	1020.9	595.9	2	1016.1	595.9	0	0	0	0	0	0
2	Jansen Van Rensburg ,N (Nicholas)	2	2	425	2	2	425	0	0	0	0	0	0
2	Jansen Van Rensburg ,N (Nicholas)	2	1269	1694	2	1260.9	1694	0	0	0	0	0	0
3	Rodi ,L (Lwazi)	1	1	425	1	1	425	0	0	0	0	0	0
3	Rodi ,L (Lwazi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Muruge ,J (Junior)	1	1	425	1	1	425	0	0	0	0	0	0
4	Muruge ,J (Junior)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Mchaffie ,S (Seth)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mchaffie ,S (Seth)	1	1201.3	1626.3	1	1201.6	1626.3	0	0	0	0	0	0
6	Pretorius ,PJ (Petrus)	1	1	425	1	1	425	0	0	0	0	0	0
6	Pretorius ,PJ (Petrus)	1	951.4	1376.4	1	933	1376.4	0	0	0	0	0	0
7	Hattingh ,H (Heinrich)	1	1	425	1	1	425	0	0	0	0	0	0
7	Hattingh ,H (Heinrich)	1	1207.3	1632.3	1	1218.9	1632.3	0	0	0	0	0	0
8	Bogaard ,FK (Franco Konrad)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Bogaard ,FK (Franco Konrad)	1	987.1	562.1	1	946.2	562.1	0	0	0	0	0	0
9	Muller ,C (Christian)	1	1	425	1	1	425	0	0	0	0	0	0
9	Muller ,C (Christian)	1	1234.2	1659.2	1	1213.1	1659.2	0	0	0	0	0	0
10	Thong ,F (Fu Shing)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Thong ,F (Fu Shing)	1	1430.2	1005.2	1	1420	1005.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Du Preez, HC (Henry Cornelius)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms