Chess South Africa Ratings Database

PLAYER PAGE

Personal

Buys, D (David)

Chess SA id

1070103477

FIDE id

Date of birth

2007-07-17 (U20)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-07-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1276.5	1237	1152.8	1200
Raw rating	1276.5	1237	1152.8	1200
Weighted rating	1276.5	1237	1152.8	1200
Weighted performance	731.8	548.8	0	0
Floor	776.5	738.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.7	157.3	177.3	165.8
Highest rating	1276.5 2024-02-01	1238.8 2023-03-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1276.5 2024-02-01	1238.8 2023-03-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1276.5 2025-06-01	1238.8 2025-02-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1226.6 2020-03-01	1218.9 2020-03-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1276.5	1237	1152.8	1200
Analysis
Rating	1276.5	1237	1152.8	1200
Raw rating	1276.5	1237	1152.8	1200
Weighted rating	1276.5	1237	1152.8
Weighted performance	731.8	548.8	0
K-factor	36	36	36	36
Floor	776.5	738.8	700	700
Max/Min rating change allowed	148.7	157.3	177.3	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	1276.5	1237	1152.8	1200
New weighted rating	1276.5	1237	1152.8	1200
New weighted performance	731.3	548.4	0	0
Temp new rating	1276.5	1237	1152.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1276.5	1237	1152.8	1200
New K-factor	36	36	36	36
New floor	776.5	738.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	14	8	6
	0	0	0
	0	0	0
History	70	53	17

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	70	31	44.29	-48.6	1221.2	1172.7
Standard	53	24	45.28	-40.1	1223.1	1183
Rapid	17	7	41.18	-75	1215.3	1140.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1276.5	1237	1152.8	1200
2025-09-01	1276.5	1237	1152.8	1200
2025-08-01	1276.5	1237	1152.8	1200
2025-07-01	1276.5	1237	1152.8	1200
2025-06-01	1276.5	1237	1152.8	1200
2025-05-01	1276.5	1237	1152.8	1200
2025-04-01	1276.5	1237	1152.8	1200
2025-03-01	1276.5	1237	1152.8	1200
2025-02-01	1276.5	1237	1152.8	1200
2025-01-01	1276.5	1237	1152.8	1200
2024-12-01	1276.5	1237	1152.8	1200
2024-11-01	1276.5	1237	1152.8	1200
2024-10-01	1276.5	1237	1152.8	1200
2024-09-01	1276.5	1237	1152.8	1200
2024-08-01	1276.5	1237	1152.8	1200
2024-07-01	1276.5	1237	1152.8	1200
2024-06-01	1276.5	1237	1152.8	1200
2024-08-01	1276.5	1237	1152.8	1200
2024-04-01	1276.5	1237	1152.8	1200
2024-03-01	1276.5	1237	1152.8	1200
2024-02-01	1276.5	1237	1152.8	1200
2024-01-01	1276.5	1237	1152.8	1200
2023-12-01	1276.5	1237	1152.8	1200
2023-11-01	1276.5	1237	1152.8	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	Curro Durbanville Chess Open Rapid 2023 (Intermediate)	2023-07-15	2023-07-15	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
2	Cape Town Metro Schools Chess Closed Individuals 2023 (U17 Boys)	2023-03-03	2023-03-04	Standard	Cape Town (WCT)	6	2	1	Yes	Analysis
3	Central District School Trials 2023 (U17 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
4	2020 Western Province Open (Prestige)	2020-03-07	2020-03-08	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
5	2020 Metro Trials (U13 Boys)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
6	2020 Central District (U13)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	5	4	Yes	Analysis
7	2020 Cape Of Good Hope Open (Open)	2020-02-21	2020-02-23	Standard	Cape Town (WCT)	6	4	1	Yes	Analysis
8	2019 Wild Card Chess Championship (U14 Open)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
9	2019 South African Junior Team Championships (U18C)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	5	2	Yes	Analysis
10	Curro Durbanville Chess Tournament 2019 (Premier)	2019-08-23	2019-08-24	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
11	2019 Western Province Open (Open)	2019-05-25	2019-05-26	Standard	Cape Town (WCT)	6	3	1	Yes	Analysis
12	Stellenberg Youth Chess Champs 2018 (D)	2018-06-23	2018-06-23	Standard	Cape Town (WCT)	5	5	1	Yes	Analysis
13	Grassy Park Open 2018 (U12)	2018-06-30	2018-06-30	Rapid	Cape Town (WCT)	5	4	1	Yes	Analysis
14	Eldo Smart Memorial Rapid Tournament 2018	2018-06-16	2018-06-16	Rapid	Cape Town (WCT)	7	7	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Central District
		date 2020-01-12	rnd 7	type Standard	result 1	date 2020-02-08	rnd 6	type Standard	result 1
		Opponent Kruger, C (Cornelius)				Opponent Gradum-Samson, G (Grace-Ann)
2	4	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-15	rnd 3	type Rapid	result 1	date 2023-07-15	rnd 6	type Rapid	result 0.5
		Opponent Kabongo, M (Mark)				Opponent Singh, S (Shaurya)
3	3	Tournament 2020 Western Province Open				Tournament 2020 Western Province Open
		date 2020-03-08	rnd 4	type Standard	result 1	date 2020-03-08	rnd 6	type Standard	result 1
		Opponent Yang, C (Charng-Lin (Ryan))				Opponent Msebi, S (Simamkele)

#	Games	Start				End
1	6	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Central District
		date 2020-01-12	rnd 7	type Standard	result 1	date 2020-02-08	rnd 6	type Standard	result 1
		Opponent Kruger, C (Cornelius)				Opponent Gradum-Samson, G (Grace-Ann)
2	3	Tournament 2020 Western Province Open				Tournament 2020 Western Province Open
		date 2020-03-08	rnd 4	type Standard	result 1	date 2020-03-08	rnd 6	type Standard	result 1
		Opponent Yang, C (Charng-Lin (Ryan))				Opponent Msebi, S (Simamkele)
3	2	Tournament Central District School Trials 2023				Tournament Central District School Trials 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Maumbe, T (Taponeswa)				Opponent Marsh, A (Aiden)

#	Games	Start				End
1	4	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-15	rnd 3	type Rapid	result 1	date 2023-07-15	rnd 6	type Rapid	result 0.5
		Opponent Kabongo, M (Mark)				Opponent Singh, S (Shaurya)
2	2	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 6	type Rapid	result 1	date 2018-06-16	rnd 7	type Rapid	result 1
		Opponent Jali, H (Hlumelo)				Opponent Abrahams, C (Camryn)
3	1	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-15	rnd 1	type Rapid	result 1	date 2023-07-15	rnd 1	type Rapid	result 1
		Opponent Hartley, E (Ebraheem)				Opponent Hartley, E (Ebraheem)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2020 Western Province Open				Tournament 2020 Western Province Open
		date 2020-03-08	rnd 4	type Standard	result 1	date 2020-03-08	rnd 6	type Standard	result 1
		Opponent Yang, C (Charng-Lin (Ryan))				Opponent Msebi, S (Simamkele)
2	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-03-03	rnd 2	type Standard	result 1	date 2023-07-15	rnd 1	type Rapid	result 1
		Opponent Da Silva, J (Joshua)				Opponent Hartley, E (Ebraheem)
3	2	Tournament Central District School Trials 2023				Tournament Central District School Trials 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Maumbe, T (Taponeswa)				Opponent Marsh, A (Aiden)

#	Games	Start				End
1	3	Tournament 2020 Western Province Open				Tournament 2020 Western Province Open
		date 2020-03-08	rnd 4	type Standard	result 1	date 2020-03-08	rnd 6	type Standard	result 1
		Opponent Yang, C (Charng-Lin (Ryan))				Opponent Msebi, S (Simamkele)
2	2	Tournament Central District School Trials 2023				Tournament Central District School Trials 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Maumbe, T (Taponeswa)				Opponent Marsh, A (Aiden)
3	2	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Central District
		date 2020-01-12	rnd 7	type Standard	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Kruger, C (Cornelius)				Opponent Abrahams, O (Omar)

#	Games	Start				End
1	2	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 6	type Rapid	result 1	date 2018-06-16	rnd 7	type Rapid	result 1
		Opponent Jali, H (Hlumelo)				Opponent Abrahams, C (Camryn)
2	1	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-15	rnd 5	type Rapid	result 1	date 2023-07-15	rnd 5	type Rapid	result 1
		Opponent Choli, T (Thimwa Angel)				Opponent Choli, T (Thimwa Angel)
3	1	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-15	rnd 3	type Rapid	result 1	date 2023-07-15	rnd 3	type Rapid	result 1
		Opponent Kabongo, M (Mark)				Opponent Kabongo, M (Mark)

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	Pretorius ,A (Amanda Karen)	2	1	0	2	1	0	0	0	0	0	0	0
1	Pretorius ,A (Amanda Karen)	2	1189.1	1189.1	2	1186.5	1189.1	0	0	0	0	0	0
2	Mukthar ,T (Tabish Zaheer)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mukthar ,T (Tabish Zaheer)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Raubenheimer ,H (Henry)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Raubenheimer ,H (Henry)	1	1267.1	842.1	1	1268.4	842.1	0	0	0	0	0	0
4	Opperman ,C (Connor)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Opperman ,C (Connor)	1	1261	836	1	1262.3	836	0	0	0	0	0	0
5	Da Silva ,J (Joshua)	1	1	425	1	1	425	0	0	0	0	0	0
5	Da Silva ,J (Joshua)	1	1236.2	1661.2	1	1240.8	1661.2	0	0	0	0	0	0
6	Osborne ,R (Ryan Eugene)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Osborne ,R (Ryan Eugene)	1	1187.8	762.8	1	1164.9	762.8	0	0	0	0	0	0
7	Mhembere ,M (Munashe)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mhembere ,M (Munashe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Epstein ,C (Connor)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Epstein ,C (Connor)	1	1110	1110	1	1085.6	1110	0	0	0	0	0	0
9	Maboe ,M (Marvin)	1	1	425	1	1	425	0	0	0	0	0	0
9	Maboe ,M (Marvin)	1	1074.6	1499.6	1	1066	1499.6	0	0	0	0	0	0
10	Ngudle ,M (Mandisi)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ngudle ,M (Mandisi)	1	1212.6	787.6	1	1206.2	787.6	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

Buys, D (David)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms