Chess South Africa Ratings Database

PLAYER PAGE

Personal

Harvett, Z (Zack)

Chess SA id

108093560

FIDE id

Date of birth

2008-07-30 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-03-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1260.4	1143.6	1279.2	1200
Raw rating	1260.4	1143.6	1279.2	1200
Weighted rating	1260.4	1143.6	1279.2	1200
Weighted performance	596.4	0	0	0
Floor	760.4	700	779.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.1	179.7	148.1	165.8
Highest rating	1260.4 2024-02-01	1200 2018-02-01	1279.2 2024-03-01	1200 2018-10-01
Highest raw rating	1260.4 2024-02-01	1200 2018-02-01	1279.2 2024-02-01	1200 2024-02-01
Highest weighted rating	1260.4 2024-03-01	1200 2018-02-01	1279.2 2024-03-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1260.4	1143.6	1279.2	1200
Analysis
Rating	1260.4	1143.6	1279.2	1200
Raw rating	1260.4	1143.6	1279.2	1200
Weighted rating	1260.4	1143.6	1279.2
Weighted performance	596.4	0	0
K-factor	36	36	36	36
Floor	760.4	700	779.2	700
Max/Min rating change allowed	152.1	179.7	148.1	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	1260.4	1143.6	1279.2	1200
New weighted rating	1260.4	1143.6	1279.2	1200
New weighted performance	595.9	0	0	0
Temp new rating	1260.4	1143.6	1279.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1260.4	1143.6	1279.2	1200
New K-factor	36	36	36	36
New floor	760.4	700	779.2	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	12	6	6
	6	0	6
History	41	15	26

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	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	36	21	58.33	70.8	1174	1244.9
Standard	10	4	40	-85	1126.4	1041.4
Rapid	26	17	65.38	130.8	1192.3	1323.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1260.4	1143.6	1279.2	1200
2025-09-01	1260.4	1143.6	1279.2	1200
2025-08-01	1260.4	1143.6	1279.2	1200
2025-07-01	1260.4	1143.6	1279.2	1200
2025-06-01	1260.4	1143.6	1279.2	1200
2025-05-01	1260.4	1143.6	1279.2	1200
2025-04-01	1260.4	1143.6	1279.2	1200
2025-03-01	1260.4	1143.6	1279.2	1200
2025-02-01	1260.4	1143.6	1279.2	1200
2025-01-01	1260.4	1143.6	1279.2	1200
2024-12-01	1260.4	1143.6	1279.2	1200
2024-11-01	1260.4	1143.6	1279.2	1200
2024-10-01	1260.4	1143.6	1279.2	1200
2024-09-01	1260.4	1143.6	1279.2	1200
2024-08-01	1260.4	1143.6	1279.2	1200
2024-07-01	1260.4	1143.6	1279.2	1200
2024-06-01	1260.4	1143.6	1279.2	1200
2024-08-01	1260.4	1143.6	1279.2	1200
2024-04-01	1260.4	1143.6	1279.2	1200
2024-03-01	1260.4	1143.6	1279.2	1200
2024-02-01	1260.4	1143.6	1279.2	1200
2024-01-01	1260.4	1143.6	1279.2	1200
2023-12-01	1260.4	1143.6	1279.2	1200
2023-11-01	1260.4	1143.6	1279.2	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	2022 East Dist Individuals (U15)	2022-03-13	2022-03-13	Rapid	Cape Town (WCT)	6	6	4.5	Yes	Analysis
2	Cape Winelands Open 2022 (Intermediate)	2022-02-12	2022-02-13	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
3	Western Cape Closed 2020 (Rapid)	2021-03-06	2021-03-06	Rapid	Cape Town (WCT)	7	6	4	Yes	Analysis
4	Rhenish Primary Chess Tournament 2019 (U12)	2019-05-11	2019-05-11	Rapid	Cape Winelands (WCW)	7	7	4.5	Yes	Analysis
5	Western Cape Top Schools 2018 (U11 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
6	Rhenish Primary Chess Tournament 2018 (U12)	2018-05-12	2018-05-12	Rapid	Cape Winelands (WCW)	7	7	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament Rhenish Primary Chess Tournament 2019				Tournament Western Cape Closed 2020
		date 2019-05-11	rnd 6	type Rapid	result 1	date 2021-03-06	rnd 4	type Rapid	result 1
		Opponent Boden, J (Joshua)				Opponent Janse Van Rensburg, J (Jack)
2	3	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 4	type Rapid	result 1	date 2022-03-13	rnd 6	type Rapid	result 1
		Opponent Koopstadt, F (Furgan)				Opponent Van Coller, K (Kean)
3	3	Tournament Cape Winelands Open 2022				Tournament 2022 East Dist Individuals
		date 2022-02-13	rnd 6	type Standard	result 1	date 2022-03-13	rnd 2	type Rapid	result 1
		Opponent Louw, B (Ben)				Opponent Roto, S (Sintle)

#	Games	Start				End
1	1	Tournament Cape Winelands Open 2022				Tournament Cape Winelands Open 2022
		date 2022-02-13	rnd 6	type Standard	result 1	date 2022-02-13	rnd 6	type Standard	result 1
		Opponent Louw, B (Ben)				Opponent Louw, B (Ben)
2	1	Tournament Cape Winelands Open 2022				Tournament Cape Winelands Open 2022
		date 2022-02-12	rnd 4	type Standard	result 1	date 2022-02-12	rnd 4	type Standard	result 1
		Opponent Van Tonder, WF (Willem Frederick)				Opponent Van Tonder, WF (Willem Frederick)
3	1	Tournament Cape Winelands Open 2022				Tournament Cape Winelands Open 2022
		date 2022-02-12	rnd 1	type Standard	result 1	date 2022-02-12	rnd 1	type Standard	result 1
		Opponent Geyser, F (Freek)				Opponent Geyser, F (Freek)

#	Games	Start				End
1	5	Tournament Rhenish Primary Chess Tournament 2019				Tournament Western Cape Closed 2020
		date 2019-05-11	rnd 6	type Rapid	result 1	date 2021-03-06	rnd 4	type Rapid	result 1
		Opponent Boden, J (Joshua)				Opponent Janse Van Rensburg, J (Jack)
2	3	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 4	type Rapid	result 1	date 2022-03-13	rnd 6	type Rapid	result 1
		Opponent Koopstadt, F (Furgan)				Opponent Van Coller, K (Kean)
3	3	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 2	type Rapid	result 1	date 2019-05-11	rnd 4	type Rapid	result 1
		Opponent Grobbelaar, A (Altus)				Opponent Sterley, L (Levi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Rhenish Primary Chess Tournament 2019				Tournament Western Cape Closed 2020
		date 2019-05-11	rnd 6	type Rapid	result 1	date 2021-03-06	rnd 4	type Rapid	result 1
		Opponent Boden, J (Joshua)				Opponent Janse Van Rensburg, J (Jack)
2	3	Tournament Cape Winelands Open 2022				Tournament 2022 East Dist Individuals
		date 2022-02-13	rnd 6	type Standard	result 1	date 2022-03-13	rnd 2	type Rapid	result 1
		Opponent Louw, B (Ben)				Opponent Roto, S (Sintle)
3	2	Tournament Rhenish Primary Chess Tournament 2018				Tournament Rhenish Primary Chess Tournament 2018
		date 2018-05-12	rnd 5	type Rapid	result 1	date 2018-05-12	rnd 6	type Rapid	result 1
		Opponent Morrison, B (Brandon)				Opponent Sterley, B (Boaz)

#	Games	Start				End
1	1	Tournament Cape Winelands Open 2022				Tournament Cape Winelands Open 2022
		date 2022-02-13	rnd 6	type Standard	result 1	date 2022-02-13	rnd 6	type Standard	result 1
		Opponent Louw, B (Ben)				Opponent Louw, B (Ben)
2	1	Tournament Cape Winelands Open 2022				Tournament Cape Winelands Open 2022
		date 2022-02-12	rnd 4	type Standard	result 1	date 2022-02-12	rnd 4	type Standard	result 1
		Opponent Van Tonder, WF (Willem Frederick)				Opponent Van Tonder, WF (Willem Frederick)
3	1	Tournament Cape Winelands Open 2022				Tournament Cape Winelands Open 2022
		date 2022-02-12	rnd 1	type Standard	result 1	date 2022-02-12	rnd 1	type Standard	result 1
		Opponent Geyser, F (Freek)				Opponent Geyser, F (Freek)

#	Games	Start				End
1	5	Tournament Rhenish Primary Chess Tournament 2019				Tournament Western Cape Closed 2020
		date 2019-05-11	rnd 6	type Rapid	result 1	date 2021-03-06	rnd 4	type Rapid	result 1
		Opponent Boden, J (Joshua)				Opponent Janse Van Rensburg, J (Jack)
2	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 1	type Rapid	result 1	date 2022-03-13	rnd 2	type Rapid	result 1
		Opponent Mkhize, T (Thobani)				Opponent Roto, S (Sintle)
3	2	Tournament Rhenish Primary Chess Tournament 2018				Tournament Rhenish Primary Chess Tournament 2018
		date 2018-05-12	rnd 5	type Rapid	result 1	date 2018-05-12	rnd 6	type Rapid	result 1
		Opponent Morrison, B (Brandon)				Opponent Sterley, B (Boaz)

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	Rabkin ,S (Samantha)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Rabkin ,S (Samantha)	1	1216	791	1	1200.9	791	0	0	0	0	0	0
2	Petersen ,S (Shenwin)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Petersen ,S (Shenwin)	1	1122.5	697.5	1	1201.9	697.5	0	0	0	0	0	0
3	Mcquire ,M (Mikael)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mcquire ,M (Mikael)	1	874.7	1299.7	1	722	1299.7	0	0	0	0	0	0
4	Geyser ,F (Freek)	1	1	425	1	1	425	0	0	0	0	0	0
4	Geyser ,F (Freek)	1	1230	1655	1	1222	1655	0	0	0	0	0	0
5	Brand ,R (Robin)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Brand ,R (Robin)	1	1216.4	791.4	1	1179.9	791.4	0	0	0	0	0	0
6	Grobbelaar ,A (Altus)	1	1	425	0	0	0	1	1	425	0	0	0
6	Grobbelaar ,A (Altus)	1	1092.9	1517.9	0	0	0	1	1087.2	1517.9	0	0	0
7	Joshi ,R (Ritvik)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Joshi ,R (Ritvik)	1	728.7	303.7	0	0	0	1	609.8	303.7	0	0	0
8	Lielieveld ,F (Franco)	1	1	425	0	0	0	1	1	425	0	0	0
8	Lielieveld ,F (Franco)	1	1486.8	1911.8	0	0	0	1	1466.6	1911.8	0	0	0
9	Mongie ,N (Noah)	1	1	425	0	0	0	1	1	425	0	0	0
9	Mongie ,N (Noah)	1	1181.7	1606.7	0	0	0	1	1200	1606.7	0	0	0
10	Van Coller ,K (Kean)	1	1	425	0	0	0	1	1	425	0	0	0
10	Van Coller ,K (Kean)	1	1123.9	1548.9	0	0	0	1	1200	1548.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Harvett, 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