Chess South Africa Ratings Database

PLAYER PAGE

Personal

Buys, J (Jandru)

Chess SA id

1090313358

FIDE id

Date of birth

2009-07-29 (U18)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1138.3

Item	Main	Standard	Rapid	Blitz
Rating	1189.9	1188.4	1200	1200
Raw rating	1160.5	1158.9	1200	1200
Weighted rating	1189.9	1188.4	1200	1200
Weighted performance	1096.2	1100.1	0	0
Floor	716.3	718.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	175.4	175.8	165.8	165.8
Highest rating	1216.3 2025-03-01	1218.6 2025-03-01	1200 2024-11-01	1200 2024-11-01
Highest raw rating	1216.3 2025-03-01	1218.6 2025-03-01	1200 2024-11-01	1200 2024-11-01
Highest weighted rating	1216.3 2024-11-01	1218.6 2024-11-01	1200 2024-11-01	1200 2024-11-01
Highest weighted performance	1200 2024-11-01	1200 2024-11-01	1200 2024-11-01	1200 2024-11-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.6	-2.6	0	0
New rating	1187.3	1185.8	1200	1200
Analysis
Rating	1189.9	1188.4	1200	1200
Raw rating	1160.5	1158.9	1200	1200
Weighted rating	1189.9	1188.4	1200
Weighted performance	1096.2	1100.1	0
K-factor	36	36	36	36
Floor	716.3	718.6	700	700
Max/Min rating change allowed	175.4	175.8	165.8	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	1160.5	1158.9	1200	1200
New weighted rating	1187.3	1185.8	1200	1200
New weighted performance	1095.8	1099.8	0	0
Temp new rating	1187.3	1185.8	1200	1200
Temp new rating +/-	-2.6	-2.6	0	0
Final new rating +/-	-2.6	-2.6	0	0
New rating	1187.3	1185.8	1200	1200
New K-factor	36	36	36	36
New floor	716.3	718.6	700	700

Item	Main	Standard
	0	0
	33	33
	6	6
	0	0
	0	0
	0	0
History	39	39

Games since
	Main 39	Standard 39		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Winelands (WCW)
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	4022		1135		158
Male	3006		762		99
U18	610		163		29
U18 Male	494		119		19
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	33	15	45.45	-38.6	1205.4	1166.8
Standard	33	15	45.45	-38.6	1205.4	1166.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	39	16.5	42.31	-65.4	1205.6	1140.2
Standard	39	16.5	42.31	-65.4	1205.6	1140.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1160.5	1158.9	1200	1200
2025-09-01	1160.5	1158.9	1200	1200
2025-08-01	1200.7	1200.4	1200	1200
2025-07-01	1200.7	1200.4	1200	1200
2025-06-01	1200.7	1200.4	1200	1200
2025-05-01	1193.4	1191.5	1200	1200
2025-04-01	1216.3	1218.6	1200	1200
2025-03-01	1216.3	1218.6	1200	1200
2025-02-01	1188.3	1185.6	1200	1200
2025-01-01	1149.2	1137.2	1200	1200
2024-12-01	1149.2	1137.2	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	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
2023-11-01	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	Northern Cape Closed 202 (U18 Open)	2025-08-22	2025-08-23	Standard	ZF Mgcawu (NZF)	5	5	1.5	Yes	Analysis
2	2025 Simmie Superstars Chess Tournament (U18+Adult)	2025-08-02	2025-08-02	Standard	ZF Mgcawu (NZF)	5	4	1.5	Yes	Analysis
3	Spartan Bishops Championships Warriors 2025 (U18)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
4	2025 ZFM Closed Chess Championship (U18)	2025-05-09	2025-05-10	Standard	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis
5	Pawn Stars Chess Tournament 12 April 2025 (B)	2025-04-12	2025-04-12	Standard	ZF Mgcawu (NZF)	5	4	1	Yes	Analysis
6	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
7	Veltie Royal Klub Toernooi 31 Jan tot 1 Feb 2025 (B)	2025-01-31	2025-02-01	Standard	ZF Mgcawu (NZF)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Northern Cape Closed 202 (U18 Open)	2025-08-22	2025-08-23	Standard	ZF Mgcawu (NZF)	5	5	1.5	Yes	Analysis
2	2025 Simmie Superstars Chess Tournament (U18+Adult)	2025-08-02	2025-08-02	Standard	ZF Mgcawu (NZF)	5	4	1.5	Yes	Analysis
3	Spartan Bishops Championships Warriors 2025 (U18)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
4	2025 ZFM Closed Chess Championship (U18)	2025-05-09	2025-05-10	Standard	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis
5	Pawn Stars Chess Tournament 12 April 2025 (B)	2025-04-12	2025-04-12	Standard	ZF Mgcawu (NZF)	5	4	1	Yes	Analysis
6	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
7	Veltie Royal Klub Toernooi 31 Jan tot 1 Feb 2025 (B)	2025-01-31	2025-02-01	Standard	ZF Mgcawu (NZF)	5	5	4	Yes	Analysis
8	Paarl Boys' High Chess Festival 2024 (C)	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	1.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Paarl Boys' High Chess Festival 2024				Tournament Veltie Royal Klub Toernooi 31 Jan tot 1 Feb 2025
		date 2024-10-05	rnd 6	type Standard	result 0.5	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Keyser, C (Caleb)				Opponent Gough, K (Katelyn)
2	3	Tournament Spartan Bishops Championships Warriors 2025				Tournament 2025 Simmie Superstars Chess Tournament
		date 2025-05-25	rnd 5	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 0.5
		Opponent Visagie, D (Dilano)				Opponent Boorman, R (Romeo)
3	3	Tournament Pawn Stars Chess Tournament 12 April 2025				Tournament 2025 ZFM Closed Chess Championship
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-05-09	rnd 2	type Standard	result 1
		Opponent Crafford, C (Christiaan)				Opponent Gough, K (Katelyn)

#	Games	Start				End
1	5	Tournament Paarl Boys' High Chess Festival 2024				Tournament Veltie Royal Klub Toernooi 31 Jan tot 1 Feb 2025
		date 2024-10-05	rnd 6	type Standard	result 0.5	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Keyser, C (Caleb)				Opponent Gough, K (Katelyn)
2	3	Tournament Spartan Bishops Championships Warriors 2025				Tournament 2025 Simmie Superstars Chess Tournament
		date 2025-05-25	rnd 5	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 0.5
		Opponent Visagie, D (Dilano)				Opponent Boorman, R (Romeo)
3	3	Tournament Pawn Stars Chess Tournament 12 April 2025				Tournament 2025 ZFM Closed Chess Championship
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-05-09	rnd 2	type Standard	result 1
		Opponent Crafford, C (Christiaan)				Opponent Gough, K (Katelyn)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Veltie Royal Klub Toernooi 31 Jan tot 1 Feb 2025				Tournament Veltie Royal Klub Toernooi 31 Jan tot 1 Feb 2025
		date 2025-01-31	rnd 1	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Keyser, C (Caleb)				Opponent Gough, K (Katelyn)
2	3	Tournament Pawn Stars Chess Tournament 12 April 2025				Tournament 2025 ZFM Closed Chess Championship
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-05-09	rnd 2	type Standard	result 1
		Opponent Crafford, C (Christiaan)				Opponent Gough, K (Katelyn)
3	2	Tournament Spartan Bishops Championships Warriors 2025				Tournament 2025 Simmie Superstars Chess Tournament
		date 2025-05-25	rnd 5	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Visagie, D (Dilano)				Opponent Makhoba, A (Alpheis)

#	Games	Start				End
1	4	Tournament Veltie Royal Klub Toernooi 31 Jan tot 1 Feb 2025				Tournament Veltie Royal Klub Toernooi 31 Jan tot 1 Feb 2025
		date 2025-01-31	rnd 1	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Keyser, C (Caleb)				Opponent Gough, K (Katelyn)
2	3	Tournament Pawn Stars Chess Tournament 12 April 2025				Tournament 2025 ZFM Closed Chess Championship
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-05-09	rnd 2	type Standard	result 1
		Opponent Crafford, C (Christiaan)				Opponent Gough, K (Katelyn)
3	2	Tournament Spartan Bishops Championships Warriors 2025				Tournament 2025 Simmie Superstars Chess Tournament
		date 2025-05-25	rnd 5	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Visagie, D (Dilano)				Opponent Makhoba, A (Alpheis)

No games found.

#	Games	Start				End

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	Ebersohn ,D (Dewald)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Ebersohn ,D (Dewald)	2	1246.3	821.3	2	1232.4	821.3	0	0	0	0	0	0
2	Keyser ,C (Caleb)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Keyser ,C (Caleb)	2	1190.7	1403.2	2	1188.8	1403.2	0	0	0	0	0	0
3	Daries ,R (Rio)	2	1	0	2	1	0	0	0	0	0	0	0
3	Daries ,R (Rio)	2	1158.2	1158.2	2	1155.3	1158.2	0	0	0	0	0	0
4	Gough ,K (Katelyn)	2	2	425	2	2	425	0	0	0	0	0	0
4	Gough ,K (Katelyn)	2	1134.7	1559.7	2	1121.1	1559.7	0	0	0	0	0	0
5	Boorman ,R (Romeo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Boorman ,R (Romeo)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Cloete ,A (Allison)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Cloete ,A (Allison)	1	1148.4	723.4	1	1147.1	723.4	0	0	0	0	0	0
7	Maposa ,A (Akhanani)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Maposa ,A (Akhanani)	1	1185.2	760.2	1	1178.2	760.2	0	0	0	0	0	0
8	Simon ,N (Nathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Simon ,N (Nathan)	1	1214.3	789.3	1	1217.4	789.3	0	0	0	0	0	0
9	Nel ,K (Kian)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nel ,K (Kian)	1	1259.6	834.6	1	1262.4	834.6	0	0	0	0	0	0
10	Mahomed ,E (Esa)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mahomed ,E (Esa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Buys, J (Jandru)

Ratings

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Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms