Chess South Africa Ratings Database

PLAYER PAGE

Personal

Heyes, Z (Zachary)

Chess SA id

1110108721

FIDE id

Date of birth

2011-12-04 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1279.4	1208.1	1346.2	1200
Raw rating	1279.4	1208.1	1346.2	1200
Weighted rating	1279.2	1207.9	1345	1200
Weighted performance	946.7	0	600.4	0
Floor	813.6	717.5	871.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.1	163.9	134.6	165.8
Highest rating	1454.2 2019-03-01	1239.6 2022-09-01	1549.9 2019-03-01	1200 2018-10-01
Highest raw rating	1313.6 2020-03-01	1217.5 2023-03-01	1371.9 2020-03-01	1200 2024-02-01
Highest weighted rating	1313.6 2022-02-01	1217.5 2023-09-01	1371.9 2022-02-01	1200 2018-10-01
Highest weighted performance	1454.2 2019-03-01	1239.6 2022-09-01	1549.9 2019-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1279.4	1208.1	1346.2	1200
Analysis
Rating	1279.4	1208.1	1346.2	1200
Raw rating	1279.4	1208.1	1346.2	1200
Weighted rating	1279.2	1207.9	1345
Weighted performance	946.7	0	600.4
K-factor	36	36	36	36
Floor	813.6	717.5	871.9	700
Max/Min rating change allowed	148.1	163.9	134.6	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	1279.4	1208.1	1346.2	1200
New weighted rating	1279.2	1208	1345	1200
New weighted performance	939.5	0	592.3	0
Temp new rating	1279.4	1208.1	1346.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1279.4	1208.1	1346.2	1200
New K-factor	36	36	36	36
New floor	813.6	717.5	871.9	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	10	5	5
	17	12	5
	4	4	0
	0	0	0
History	53	21	32

Games since
	Main 10	Standard 5		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	53	32.5	61.32	96.2	1244.6	1340.8
Standard	21	9.5	45.24	-40.5	1294.9	1254.4
Rapid	32	23	71.88	185.9	1211.5	1397.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1279.4	1208.1	1346.2	1200
2025-09-30	1279.4	1208.1	1346.2	1200
2025-09-01	1279.4	1208.1	1346.2	1200
2025-08-01	1279.4	1208.1	1346.2	1200
2025-07-01	1279.4	1208.1	1346.2	1200
2025-06-01	1279.4	1208.1	1346.2	1200
2025-05-01	1279.4	1208.1	1346.2	1200
2025-04-01	1279.4	1208.1	1346.2	1200
2025-03-01	1279.4	1208.1	1346.2	1200
2025-02-01	1279.4	1208.1	1345.6	1200
2025-01-01	1277.7	1208.1	1332.7	1200
2024-12-01	1277.7	1208.1	1332.7	1200
2024-11-01	1277.7	1208.1	1332.7	1200
2024-10-01	1277.7	1208.1	1332.7	1200
2024-09-01	1280.6	1208.1	1352.1	1200
2024-08-01	1280.6	1208.1	1352.1	1200
2024-07-01	1280.6	1208.1	1352.1	1200
2024-09-01	1280.6	1208.1	1352.1	1200
2024-05-01	1280.6	1208.1	1352.1	1200
2024-04-01	1280.6	1208.1	1352.1	1200
2024-03-01	1280.6	1208.1	1352.1	1200
2024-02-01	1273.4	1197.3	1352.1	1200
2024-01-01	1273.4	1197.3	1352.1	1200
2023-12-01	1273.4	1197.3	1352.1	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	Closed Somerset College Chess Tournament 2024 (U13)	2024-09-13	2024-09-13	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
2	CT District East Schools Chess Individuals Trails 2024 (U13 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
3	Western Cape Top Schools 2023 (U13 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	1.5	Yes	Analysis
4	CT Metro District East Top Schools Chess 2023 (U13 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	7	5	3	Yes	Analysis
5	District East Schools Chess Individual Trials 2023 (U13 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
6	Western Cape Top Schools 2022 (U13 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
7	2020 Welgemoed Chess Challenge (U10)	2020-02-29	2020-02-29	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis
8	Cape Winelands Schools Trials 1 2020 (U9 Boys)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
9	Courtrai Young Master Festival 2019 (U9)	2019-03-02	2019-03-02	Rapid	Cape Winelands (WCW)	6	5	5	Yes	Analysis
10	CW Schools Open 2019 (U7+U9 Boys)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	5	Yes	Analysis

#	Games	Start				End
1	11	Tournament CW Schools Open 2019				Tournament Cape Winelands Schools Trials 1 2020
		date 2019-02-02	rnd 3	type Rapid	result 1	date 2020-02-08	rnd 2	type Rapid	result 1
		Opponent Harris, T (Tyler)				Opponent Swiegers, A (Anrich)
2	4	Tournament Western Cape Top Schools 2022				Tournament District East Schools Chess Individual Trials 2023
		date 2022-09-17	rnd 5	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Tomi, A (Amange)				Opponent Williams, E (Enrico)
3	3	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 3	type Rapid	result 1	date 2020-02-29	rnd 5	type Rapid	result 1
		Opponent Van Stade, T (Taio)				Opponent Richards, K (Kiran)

#	Games	Start				End
1	4	Tournament Western Cape Top Schools 2022				Tournament District East Schools Chess Individual Trials 2023
		date 2022-09-17	rnd 5	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Tomi, A (Amange)				Opponent Williams, E (Enrico)
2	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Pritchard, A (Aaron)				Opponent Tazvitadza, N (Nathan)
3	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 3	type Standard	result 0.5	date 2023-09-02	rnd 4	type Standard	result 1
		Opponent Groenewald, W (Willem)				Opponent Goncalves Alho, M (Miguel)

#	Games	Start				End
1	11	Tournament CW Schools Open 2019				Tournament Cape Winelands Schools Trials 1 2020
		date 2019-02-02	rnd 3	type Rapid	result 1	date 2020-02-08	rnd 2	type Rapid	result 1
		Opponent Harris, T (Tyler)				Opponent Swiegers, A (Anrich)
2	4	Tournament 2020 Welgemoed Chess Challenge				Tournament CT Metro District East Top Schools Chess 2023
		date 2020-02-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 1	type Rapid	result 1
		Opponent Van Stade, T (Taio)				Opponent Maritz, K (Kiara)
3	2	Tournament Closed Somerset College Chess Tournament 2024				Tournament Closed Somerset College Chess Tournament 2024
		date 2024-09-13	rnd 2	type Rapid	result 1	date 2024-09-13	rnd 3	type Rapid	result 1
		Opponent Nieuwoudt, Z (Zoe)				Opponent Myrmingos, G (Georgina)

No games found.

#	Games	Start				End

#	Games	Start				End
1	11	Tournament CW Schools Open 2019				Tournament Cape Winelands Schools Trials 1 2020
		date 2019-02-02	rnd 3	type Rapid	result 1	date 2020-02-08	rnd 2	type Rapid	result 1
		Opponent Harris, T (Tyler)				Opponent Swiegers, A (Anrich)
2	4	Tournament Western Cape Top Schools 2022				Tournament District East Schools Chess Individual Trials 2023
		date 2022-09-17	rnd 5	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Tomi, A (Amange)				Opponent Williams, E (Enrico)
3	3	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 3	type Rapid	result 1	date 2020-02-29	rnd 5	type Rapid	result 1
		Opponent Van Stade, T (Taio)				Opponent Richards, K (Kiran)

#	Games	Start				End
1	4	Tournament Western Cape Top Schools 2022				Tournament District East Schools Chess Individual Trials 2023
		date 2022-09-17	rnd 5	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Tomi, A (Amange)				Opponent Williams, E (Enrico)
2	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Pritchard, A (Aaron)				Opponent Tazvitadza, N (Nathan)
3	1	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Harding, J (Jodie)				Opponent Harding, J (Jodie)

#	Games	Start				End
1	11	Tournament CW Schools Open 2019				Tournament Cape Winelands Schools Trials 1 2020
		date 2019-02-02	rnd 3	type Rapid	result 1	date 2020-02-08	rnd 2	type Rapid	result 1
		Opponent Harris, T (Tyler)				Opponent Swiegers, A (Anrich)
2	4	Tournament 2020 Welgemoed Chess Challenge				Tournament CT Metro District East Top Schools Chess 2023
		date 2020-02-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 1	type Rapid	result 1
		Opponent Van Stade, T (Taio)				Opponent Maritz, K (Kiara)
3	2	Tournament Closed Somerset College Chess Tournament 2024				Tournament Closed Somerset College Chess Tournament 2024
		date 2024-09-13	rnd 2	type Rapid	result 1	date 2024-09-13	rnd 3	type Rapid	result 1
		Opponent Nieuwoudt, Z (Zoe)				Opponent Myrmingos, G (Georgina)

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	Smith ,Z (Zion)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Smith ,Z (Zion)	2	1586.8	1161.8	1	1528.1	1161.8	1	1590.4	1161.8	0	0	0
2	Williams ,E (Enrico)	2	1	0	1	1	425	1	0	-425	0	0	0
2	Williams ,E (Enrico)	2	1230.2	1230.2	1	1200	1655.2	1	1236.8	805.2	0	0	0
3	Pieterse ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Pieterse ,M (Matthew)	1	1271.4	846.4	1	1234	846.4	0	0	0	0	0	0
4	Tazvitadza ,N (Nathan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Tazvitadza ,N (Nathan)	1	1156.9	1581.9	1	1120	1581.9	0	0	0	0	0	0
5	Tomi ,A (Amange)	1	1	425	1	1	425	0	0	0	0	0	0
5	Tomi ,A (Amange)	1	1148.1	1573.1	1	1126	1573.1	0	0	0	0	0	0
6	Rudman ,M (Mighail)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Rudman ,M (Mighail)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Groenewald ,W (Willem)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Groenewald ,W (Willem)	1	1247.6	1247.6	1	1200	1247.6	0	0	0	0	0	0
8	Linde ,M (Morgan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Linde ,M (Morgan)	1	1298.2	1723.2	1	1258.1	1723.2	0	0	0	0	0	0
9	Sobada ,A (Anelisa)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Sobada ,A (Anelisa)	1	1247.8	822.8	1	1191.8	822.8	0	0	0	0	0	0
10	Nieuwoudt ,Z (Zoe)	1	1	425	0	0	0	1	1	425	0	0	0
10	Nieuwoudt ,Z (Zoe)	1	1148.9	1573.9	0	0	0	1	1200	1573.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Heyes, Z (Zachary)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms