Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Randt, Z (Zack)

Chess SA id

1060113138

FIDE id

Date of birth

2006-10-12 (U20)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-04-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1114.9	1150.8	1105.9	1200
Raw rating	1114.9	1150.8	1105.9	1200
Weighted rating	1111.3	1150.7	1099.5	1200
Weighted performance	688.9	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	187.2	177.8	189.6	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1114.9	1150.8	1105.9	1200
Analysis
Rating	1114.9	1150.8	1105.9	1200
Raw rating	1114.9	1150.8	1105.9	1200
Weighted rating	1111.3	1150.7	1099.5
Weighted performance	688.9	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	187.2	177.8	189.6	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	1114.9	1150.8	1105.9	1200
New weighted rating	1111.3	1150.7	1099.5	1200
New weighted performance	683.1	0	0	0
Temp new rating	1114.9	1150.8	1105.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1114.9	1150.8	1105.9	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	6	0	6
	15	9	6
	0	0	0
	0	0	0
History	26	14	12

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Male
Age group	U20
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	26	7.5	28.85	-179.8	1219.6	1039.8
Standard	14	5	35.71	-121.4	1224.7	1103.3
Rapid	12	2.5	20.83	-247.9	1213.7	965.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1114.9	1150.8	1105.9	1200
2025-09-30	1114.9	1150.8	1105.9	1200
2025-09-01	1114.9	1150.8	1105.9	1200
2025-08-01	1114.9	1150.8	1105.9	1200
2025-07-01	1114.9	1150.8	1105.9	1200
2025-06-01	1114.9	1150.8	1105.9	1200
2025-05-01	1114.9	1150.8	1105.9	1200
2025-04-01	1114.9	1150.8	1105.9	1200
2025-03-01	1114.9	1150.8	1105.9	1200
2025-02-01	1114.7	1150.8	1105.3	1200
2025-01-01	1097.9	1150.4	1075.6	1200
2024-12-01	1097.9	1150.4	1075.6	1200
2024-11-01	1097.9	1150.4	1075.6	1200
2024-10-01	1097.9	1150.4	1075.6	1200
2024-09-01	1097.9	1150.4	1075.6	1200
2024-08-01	1097.9	1150.4	1075.6	1200
2024-07-01	1097.9	1150.4	1075.6	1200
2024-09-01	1097.9	1150.4	1075.6	1200
2024-05-01	1097.9	1150.4	1075.6	1200
2024-04-01	1145.2	1150.4	1160	1200
2024-03-01	1145.2	1150.4	1160	1200
2024-02-01	1145.2	1150.4	1160	1200
2024-01-01	1145.2	1150.4	1160	1200
2023-12-01	1145.2	1150.4	1160	1200

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	NWU Super 16 2024	2024-04-19	2024-04-19	Rapid	Gert Sibande (MGS)	6	6	0.5	Yes	Analysis
2	D2 School League Finals 2023 (U19)	2023-07-22	2023-07-22	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
3	D2 Schools Individuals 2023 (U18 Boys)	2023-05-13	2023-05-13	Standard	West Rand (GWR)	5	4	1	Yes	Analysis
4	NWU Super 16 2023 (A)	2023-04-21	2023-04-21	Rapid	Gert Sibande (MGS)	7	6	2	Yes	Analysis
5	Ekurhuleni North School District Finals 2019 (U13 Boys)	2019-05-11	2019-05-11	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 3	type Standard	result 1	date 2023-07-22	rnd 4	type Standard	result 1
		Opponent Carstens, D (Donovan)				Opponent Graaff, C (Christel)
2	2	Tournament Ekurhuleni North School District Finals 2019				Tournament NWU Super 16 2023
		date 2019-05-11	rnd 5	type Standard	result 1	date 2023-04-21	rnd 1	type Rapid	result 1
		Opponent Makubetse, P (Piet)				Opponent Mokgoja, K (Katlego)
3	1	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 3	type Rapid	result 0.5	date 2024-04-19	rnd 3	type Rapid	result 0.5
		Opponent Klopper, J (Jadin)				Opponent Klopper, J (Jadin)

#	Games	Start				End
1	2	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 3	type Standard	result 1	date 2023-07-22	rnd 4	type Standard	result 1
		Opponent Carstens, D (Donovan)				Opponent Graaff, C (Christel)
2	1	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Motlhwe, T (Tshwanelo)				Opponent Motlhwe, T (Tshwanelo)
3	1	Tournament Ekurhuleni North School District Finals 2019				Tournament Ekurhuleni North School District Finals 2019
		date 2019-05-11	rnd 5	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Makubetse, P (Piet)				Opponent Makubetse, P (Piet)

#	Games	Start				End
1	1	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 3	type Rapid	result 0.5	date 2024-04-19	rnd 3	type Rapid	result 0.5
		Opponent Klopper, J (Jadin)				Opponent Klopper, J (Jadin)
2	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 6	type Rapid	result 1	date 2023-04-21	rnd 6	type Rapid	result 1
		Opponent Landman, S (Siboniso)				Opponent Landman, S (Siboniso)
3	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 1	type Rapid	result 1
		Opponent Mokgoja, K (Katlego)				Opponent Mokgoja, K (Katlego)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 3	type Standard	result 1	date 2023-07-22	rnd 4	type Standard	result 1
		Opponent Carstens, D (Donovan)				Opponent Graaff, C (Christel)
2	2	Tournament Ekurhuleni North School District Finals 2019				Tournament NWU Super 16 2023
		date 2019-05-11	rnd 5	type Standard	result 1	date 2023-04-21	rnd 1	type Rapid	result 1
		Opponent Makubetse, P (Piet)				Opponent Mokgoja, K (Katlego)
3	1	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Motlhwe, T (Tshwanelo)				Opponent Motlhwe, T (Tshwanelo)

#	Games	Start				End
1	2	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 3	type Standard	result 1	date 2023-07-22	rnd 4	type Standard	result 1
		Opponent Carstens, D (Donovan)				Opponent Graaff, C (Christel)
2	1	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Motlhwe, T (Tshwanelo)				Opponent Motlhwe, T (Tshwanelo)
3	1	Tournament Ekurhuleni North School District Finals 2019				Tournament Ekurhuleni North School District Finals 2019
		date 2019-05-11	rnd 5	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Makubetse, P (Piet)				Opponent Makubetse, P (Piet)

#	Games	Start				End
1	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 6	type Rapid	result 1	date 2023-04-21	rnd 6	type Rapid	result 1
		Opponent Landman, S (Siboniso)				Opponent Landman, S (Siboniso)
2	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 1	type Rapid	result 1
		Opponent Mokgoja, K (Katlego)				Opponent Mokgoja, K (Katlego)

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	Kheswa ,NNO (Nhlanhla Njabulo Olwethu)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Kheswa ,NNO (Nhlanhla Njabulo Olwethu)	1	1240.5	815.5	1	1252	815.5	0	0	0	0	0	0
2	Tupa ,F (Fezeka)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Tupa ,F (Fezeka)	1	1339.9	914.9	1	1352.2	914.9	0	0	0	0	0	0
3	Carstens ,D (Donovan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Carstens ,D (Donovan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Fischer ,RD (Reven Dylan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Fischer ,RD (Reven Dylan)	1	1177.8	752.8	1	1171.2	752.8	0	0	0	0	0	0
5	Nchaka ,P (Prince)	1	1	425	1	1	425	0	0	0	0	0	0
5	Nchaka ,P (Prince)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Lefete ,T (Thapelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Lefete ,T (Thapelo)	1	1206	781	1	1206.8	781	0	0	0	0	0	0
7	Mulder ,A (Adriaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mulder ,A (Adriaan)	1	1235.5	810.5	1	1242.4	810.5	0	0	0	0	0	0
8	Motlhwe ,T (Tshwanelo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Motlhwe ,T (Tshwanelo)	1	1180.4	1605.4	1	1176	1605.4	0	0	0	0	0	0
9	Makubetse ,P (Piet)	1	1	425	1	1	425	0	0	0	0	0	0
9	Makubetse ,P (Piet)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Greef ,S (Schalk)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Greef ,S (Schalk)	1	1317.8	892.8	1	1313.1	892.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Du Randt, Z (Zack)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms