Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, M (Morne)

Chess SA id

110086177

FIDE id

Date of birth

2010-06-03 (U16)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-05-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	740.9	647.1	622.4	504.4
Raw rating	740.9	647.1	622.4	504.4
Weighted rating	740.9	647.1	622.4	504.4
Weighted performance	113.5	60.9	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	318.9	364.5	377.6	446.7
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	740.9 2024-02-01	647.1 2024-02-01	622.4 2024-02-01	504.4 2024-02-01
Highest weighted rating	740.9 2024-11-01	647.1 2024-11-01	622.4 2024-11-01	504.4 2024-11-01
Highest weighted performance	1200 2024-12-01	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	740.9	647.1	622.4	504.4
Analysis
Rating	740.9	647.1	622.4	504.4
Raw rating	740.9	647.1	622.4	504.4
Weighted rating	740.9	647.1	622.4
Weighted performance	113.5	60.9	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	318.9	364.5	377.6	446.7
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	740.9	647.1	622.4	504.4
New weighted rating	740.9	647.1	622.4	504.4
New weighted performance	113.3	60.7	0	0
Temp new rating	740.9	647.1	622.4	504.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	740.9	647.1	622.4	504.4
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	64	54	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	43	14.5	33.72	-138.4	886.9	748.5
Standard	33	11.5	34.85	-128.8	798.9	670.1
Rapid	10	3	30	-170	1177.2	1007.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	740.9	647.1	622.4	504.4
2025-09-01	740.9	647.1	622.4	504.4
2025-08-01	740.9	647.1	622.4	504.4
2025-07-01	740.9	647.1	622.4	504.4
2025-06-01	740.9	647.1	622.4	504.4
2025-05-01	740.9	647.1	622.4	504.4
2025-04-01	740.9	647.1	622.4	504.4
2025-03-01	740.9	647.1	622.4	504.4
2025-02-01	740.9	647.1	622.4	504.4
2025-01-01	740.9	647.1	622.4	504.4
2024-12-01	740.9	647.1	622.4	504.4
2024-11-01	740.9	647.1	622.4	504.4
2024-10-01	740.9	647.1	622.4	504.4
2024-09-01	740.9	647.1	622.4	504.4
2024-08-01	740.9	647.1	622.4	504.4
2024-07-01	740.9	647.1	622.4	504.4
2024-06-01	740.9	647.1	622.4	504.4
2024-08-01	740.9	647.1	622.4	504.4
2024-04-01	740.9	647.1	622.4	504.4
2024-03-01	740.9	647.1	622.4	504.4
2024-02-01	740.9	647.1	622.4	504.4
2024-01-01	740.9	647.1	622.4	504.4
2023-12-01	740.9	647.1	622.4	504.4
2023-11-01	740.9	647.1	622.4	504.4

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	2019 Super 12 Laerskole (Juniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	2	Yes	Analysis
2	South African Junior Team Championships 2018 (U10C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	3	1	Yes	Analysis
3	Bojanala Regionals 2018 (U10)	2018-09-15	2018-09-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
4	Laerskool Brits Tournament 2018 (U10)	2018-08-04	2018-08-04	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
5	2018 Super 12 (Junior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	1	Yes	Analysis
6	Laerskool Proteapark Chess 2018 (Development)	2018-05-19	2018-05-19	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
7	Laerskool Rustenburg 2018 (D)	2018-03-24	2018-03-24	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
8	Laerskool Vastrap 2018 (U10)	2018-02-03	2018-02-03	Standard	Bojanala Platina (NBR)	5	5	1.5	Yes	Analysis
9	Laerskool Rustenburg Noord Primary 2018 (D)	2018-02-24	2018-02-24	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 3	type Rapid	result 0.5	date 2019-05-04	rnd 5	type Rapid	result 0.5
		Opponent Van Niekerk, A (A.J.)				Opponent Grobler, J (Juan-Jacques)
2	3	Tournament Bojanala Regionals 2018				Tournament South African Junior Team Championships 2018
		date 2018-09-15	rnd 4	type Standard	result 1	date 2018-12-16	rnd 1	type Standard	result 1
		Opponent Msemburi, H (Hannah)				Opponent Fritz, J (Janez)
3	2	Tournament Laerskool Rustenburg 2018				Tournament Laerskool Rustenburg 2018
		date 2018-03-24	rnd 3	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 1
		Opponent Van Aswegen, D (Dehan)				Opponent Van Staden, J (Jakobus)

#	Games	Start				End
1	3	Tournament Bojanala Regionals 2018				Tournament South African Junior Team Championships 2018
		date 2018-09-15	rnd 4	type Standard	result 1	date 2018-12-16	rnd 1	type Standard	result 1
		Opponent Msemburi, H (Hannah)				Opponent Fritz, J (Janez)
2	2	Tournament Laerskool Rustenburg 2018				Tournament Laerskool Rustenburg 2018
		date 2018-03-24	rnd 3	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 1
		Opponent Van Aswegen, D (Dehan)				Opponent Van Staden, J (Jakobus)
3	1	Tournament Laerskool Brits Tournament 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-08-04	rnd 3	type Standard	result 1	date 2018-08-04	rnd 3	type Standard	result 1
		Opponent Jansen Van Vuuren, L (Lourein)				Opponent Jansen Van Vuuren, L (Lourein)

#	Games	Start				End
1	3	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 3	type Rapid	result 0.5	date 2019-05-04	rnd 5	type Rapid	result 0.5
		Opponent Van Niekerk, A (A.J.)				Opponent Grobler, J (Juan-Jacques)
2	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 5	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Minnie, S (Stefan)				Opponent Minnie, S (Stefan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Bojanala Regionals 2018				Tournament South African Junior Team Championships 2018
		date 2018-09-15	rnd 4	type Standard	result 1	date 2018-12-16	rnd 1	type Standard	result 1
		Opponent Msemburi, H (Hannah)				Opponent Fritz, J (Janez)
2	2	Tournament Laerskool Rustenburg 2018				Tournament Laerskool Rustenburg 2018
		date 2018-03-24	rnd 3	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 1
		Opponent Van Aswegen, D (Dehan)				Opponent Van Staden, J (Jakobus)
3	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Fernandes, A (Alischke)				Opponent Fernandes, A (Alischke)

#	Games	Start				End
1	3	Tournament Bojanala Regionals 2018				Tournament South African Junior Team Championships 2018
		date 2018-09-15	rnd 4	type Standard	result 1	date 2018-12-16	rnd 1	type Standard	result 1
		Opponent Msemburi, H (Hannah)				Opponent Fritz, J (Janez)
2	2	Tournament Laerskool Rustenburg 2018				Tournament Laerskool Rustenburg 2018
		date 2018-03-24	rnd 3	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 1
		Opponent Van Aswegen, D (Dehan)				Opponent Van Staden, J (Jakobus)
3	1	Tournament Laerskool Brits Tournament 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-08-04	rnd 3	type Standard	result 1	date 2018-08-04	rnd 3	type Standard	result 1
		Opponent Jansen Van Vuuren, L (Lourein)				Opponent Jansen Van Vuuren, L (Lourein)

#	Games	Start				End
1	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Fernandes, A (Alischke)				Opponent Fernandes, A (Alischke)
2	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 5	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Minnie, S (Stefan)				Opponent Minnie, S (Stefan)

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	Van Aswegen ,D (Dehan)	2	1	0	2	1	0	0	0	0	0	0	0
1	Van Aswegen ,D (Dehan)	2	512.3	512.3	2	515.8	512.3	0	0	0	0	0	0
2	Jansen Van Vuuren ,L (Lourein)	2	2	425	2	2	425	0	0	0	0	0	0
2	Jansen Van Vuuren ,L (Lourein)	2	651	1075.9	2	642.5	1075.9	0	0	0	0	0	0
3	Rheeders ,JG (Johan Gerhardus)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Rheeders ,JG (Johan Gerhardus)	2	724.5	299.5	2	725.4	299.5	0	0	0	0	0	0
4	Mocha ,O (Omphile)	2	2	425	2	2	425	0	0	0	0	0	0
4	Mocha ,O (Omphile)	2	1066.3	1491.3	2	1055.9	1491.3	0	0	0	0	0	0
5	Jordaan ,D (Donovan)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Jordaan ,D (Donovan)	2	644.6	219.6	2	655.2	219.6	0	0	0	0	0	0
6	Segabetla ,O (Oreneile)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Segabetla ,O (Oreneile)	1	1052.6	627.6	1	1034.2	627.6	0	0	0	0	0	0
7	Sekhute ,K (Khumo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Sekhute ,K (Khumo)	1	686.3	261.3	1	673.4	261.3	0	0	0	0	0	0
8	Mabuza ,N (Ndumiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mabuza ,N (Ndumiso)	1	679.9	254.9	1	669	254.9	0	0	0	0	0	0
9	Van Staden ,J (Jakobus)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Staden ,J (Jakobus)	1	670	1095	1	704.8	1095	0	0	0	0	0	0
10	Fourie ,D (Drikus)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Fourie ,D (Drikus)	1	1200	1200	1	1200	1200	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

Du Preez, M (Morne)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms