Chess South Africa Ratings Database

PLAYER PAGE

Personal

Hammond-Aryee, Z (Zaffery)

Chess SA id

1110300565

FIDE id

Date of birth

2011-07-04 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1195.4	1197.8	1195.6	1200
Raw rating	1175.5	1173	1195.6	1200
Weighted rating	1195.4	1197.8	1194.7	1200
Weighted performance	0	0	0	0
Floor	707.3	700	712	700
K-factor	36	36	36	36
Min/Max rating change allowed	171.7	172.3	166.9	165.8
Highest rating	1207.3 2024-04-01	1200 2024-04-01	1256.9 2024-03-01	1200 2024-04-01
Highest raw rating	1207.3 2024-04-01	1200 2024-04-01	1212 2024-04-01	1200 2024-04-01
Highest weighted rating	1207.3 2024-05-01	1200 2024-04-01	1212 2024-05-01	1200 2024-04-01
Highest weighted performance	1201.1 2024-03-01	1200 2024-04-01	1256.9 2024-03-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.7	-2.1	0	0
New rating	1193.6	1195.8	1195.6	1200
Analysis
Rating	1195.4	1197.8	1195.6	1200
Raw rating	1175.5	1173	1195.6	1200
Weighted rating	1195.4	1197.8	1194.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	707.3	700	712	700
Max/Min rating change allowed	171.7	172.3	166.9	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	1175.5	1173	1195.6	1200
New weighted rating	1193.6	1195.8	1194.6	1200
New weighted performance	0	0	0	0
Temp new rating	1193.6	1195.8	1195.6	1200
Temp new rating +/-	-1.7	-2.1	0	0
Final new rating +/-	-1.7	-2.1	0	0
New rating	1193.6	1195.8	1195.6	1200
New K-factor	36	36	36	36
New floor	707.3	700	712	700

Item	Main	Standard	Rapid
	0	0	0
	6	6	0
	17	0	17
	0	0	0
	0	0	0
	0	0	0
History	23	6	17

Games since
	Main 23	Standard 6		Rapid 17		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	6	2	33.33	-141.7	1234.6	1092.9
Standard	6	2	33.33	-141.7	1234.6	1092.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	9	39.13	-92.4	1243.9	1151.5
Standard	6	2	33.33	-141.7	1234.6	1092.9
Rapid	17	7	41.18	-75	1247.1	1172.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1175.5	1173	1195.6	1200
2025-09-30	1197.6	1200	1195.6	1200
2025-09-01	1197.6	1200	1195.6	1200
2025-08-01	1197.6	1200	1195.6	1200
2025-07-01	1197.6	1200	1195.6	1200
2025-06-01	1197.6	1200	1195.6	1200
2025-05-01	1197.6	1200	1195.6	1200
2025-04-01	1197.6	1200	1195.6	1200
2025-03-01	1197.6	1200	1195.6	1200
2025-02-01	1197.1	1200	1194.7	1200
2025-01-01	1189.1	1200	1181.4	1200
2024-12-01	1189.1	1200	1181.4	1200
2024-11-01	1189.1	1200	1181.4	1200
2024-10-01	1199	1200	1197.2	1200
2024-09-01	1199	1200	1197.2	1200
2024-08-01	1199	1200	1197.2	1200
2024-07-01	1199	1200	1197.2	1200
2024-09-01	1199	1200	1197.2	1200
2024-05-01	1207.3	1200	1212	1200
2024-04-01	1207.3	1200	1212	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	Paarl Boys' High School Chess Festival 2025 (C)	2025-10-17	2025-10-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Paarl Boys' High School Chess Festival 2025 (C)	2025-10-17	2025-10-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
2	UCT Open Chess Championship 2024 (U14)	2024-10-12	2024-10-13	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
3	Steinitz Chess Festival 2024 (U14)	2024-05-11	2024-05-11	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
4	Chas Everitt and MHI Attorneys Rapid 2024 (U14)	2024-03-09	2024-03-09	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament UCT Open Chess Championship 2024				Tournament Paarl Boys' High School Chess Festival 2025
		date 2024-10-13	rnd 6	type Rapid	result 1	date 2025-10-17	rnd 2	type Standard	result 1
		Opponent Mangweni, N (Ntando)				Opponent Benson, L (Luke)
2	2	Tournament Chas Everitt and MHI Attorneys Rapid 2024				Tournament Chas Everitt and MHI Attorneys Rapid 2024
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Kotze, L (Logan)				Opponent Meyer, A (Adam)
3	1	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2024-10-12	rnd 2	type Rapid	result 1
		Opponent Yao, K (Kevin)				Opponent Yao, K (Kevin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chas Everitt and MHI Attorneys Rapid 2024				Tournament Chas Everitt and MHI Attorneys Rapid 2024
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Kotze, L (Logan)				Opponent Meyer, A (Adam)
2	1	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-13	rnd 6	type Rapid	result 1	date 2024-10-13	rnd 6	type Rapid	result 1
		Opponent Mangweni, N (Ntando)				Opponent Mangweni, N (Ntando)
3	1	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2024-10-12	rnd 2	type Rapid	result 1
		Opponent Yao, K (Kevin)				Opponent Yao, K (Kevin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chas Everitt and MHI Attorneys Rapid 2024				Tournament Chas Everitt and MHI Attorneys Rapid 2024
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Kotze, L (Logan)				Opponent Meyer, A (Adam)
2	1	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-13	rnd 6	type Rapid	result 1	date 2024-10-13	rnd 6	type Rapid	result 1
		Opponent Mangweni, N (Ntando)				Opponent Mangweni, N (Ntando)
3	1	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2024-10-12	rnd 2	type Rapid	result 1
		Opponent Yao, K (Kevin)				Opponent Yao, K (Kevin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chas Everitt and MHI Attorneys Rapid 2024				Tournament Chas Everitt and MHI Attorneys Rapid 2024
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Kotze, L (Logan)				Opponent Meyer, A (Adam)
2	1	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-13	rnd 6	type Rapid	result 1	date 2024-10-13	rnd 6	type Rapid	result 1
		Opponent Mangweni, N (Ntando)				Opponent Mangweni, N (Ntando)
3	1	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2024-10-12	rnd 2	type Rapid	result 1
		Opponent Yao, K (Kevin)				Opponent Yao, K (Kevin)

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	Herbert ,S (Sebastiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Herbert ,S (Sebastiaan)	1	1186.8	761.8	1	1200	761.8	0	0	0	0	0	0
2	Claassen ,A (Arno)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Claassen ,A (Arno)	1	1240.8	815.8	1	1247.9	815.8	0	0	0	0	0	0
3	Benson ,L (Luke)	1	1	425	1	1	425	0	0	0	0	0	0
3	Benson ,L (Luke)	1	1302.3	1727.3	1	1285.6	1727.3	0	0	0	0	0	0
4	Schepers ,D (Deegan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Schepers ,D (Deegan)	1	1203.2	778.2	1	1204.7	778.2	0	0	0	0	0	0
5	Murray ,M (Mia)	1	1	425	1	1	425	0	0	0	0	0	0
5	Murray ,M (Mia)	1	1278.7	1703.7	1	1276.1	1703.7	0	0	0	0	0	0
6	Olivier ,R (Regardt)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Olivier ,R (Regardt)	1	1196	771	1	1195	771	0	0	0	0	0	0
7	Damane ,L (Lukhanyo)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Damane ,L (Lukhanyo)	1	1347.5	922.5	0	0	0	1	1370.8	922.5	0	0	0
8	Powis ,R (Robert)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Powis ,R (Robert)	1	1252.5	827.5	0	0	0	1	1200	827.5	0	0	0
9	Qoto ,A (Asivile)	1	1	425	0	0	0	1	1	425	0	0	0
9	Qoto ,A (Asivile)	1	1124.1	1549.1	0	0	0	1	1197.6	1549.1	0	0	0
10	Meyer ,A (Adam)	1	1	425	0	0	0	1	1	425	0	0	0
10	Meyer ,A (Adam)	1	1154.2	1579.2	0	0	0	1	1124.8	1579.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Hammond-Aryee, Z (Zaffery)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms