Chess South Africa Ratings Database

PLAYER PAGE

Personal

Grobler, R (Reinhart)

Chess SA id

1080151249

FIDE id

Date of birth

2008-07-23 (U18)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1132.5	1132.2	1148.5	1200
Raw rating	1132.1	1132.2	1148.5	1200
Weighted rating	1132.5	1132.2	1147.7	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	182.6	182.6	178.4	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0	0	0
New rating	1132.6	1132.2	1148.5	1200
Analysis
Rating	1132.5	1132.2	1148.5	1200
Raw rating	1132.1	1132.2	1148.5	1200
Weighted rating	1132.5	1132.2	1147.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	182.6	182.6	178.4	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	1132.1	1132.2	1148.5	1200
New weighted rating	1132.6	1132.2	1147.8	1200
New weighted performance	0	0	0	0
Temp new rating	1132.6	1132.2	1148.5	1200
Temp new rating +/-	0.1	0	0	0
Final new rating +/-	0.1	0	0	0
New rating	1132.6	1132.2	1148.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	4	4	0
	6	0	6
	10	5	5
	0	0	0
	0	0	0
History	20	9	11

Games since
	Main 10	Standard 4		Rapid 6		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	-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	4	1	25	-212.5	1219.2	1006.7
Standard	4	1	25	-212.5	1219.2	1006.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	5.5	27.5	-191.2	1226.4	1035.2
Standard	9	2	22.22	-236.1	1191.3	955.2
Rapid	11	3.5	31.82	-154.5	1255.2	1100.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1132.1	1132.2	1148.5	1200
2025-09-01	1132.1	1132.2	1148.5	1200
2025-08-01	1132.1	1132.2	1148.5	1200
2025-07-01	1131.9	1132.2	1148.5	1200
2025-06-01	1131.7	1132.2	1148.5	1200
2025-05-01	1131.6	1132.2	1148.5	1200
2025-04-01	1131.5	1132.1	1148.5	1200
2025-03-01	1130.4	1130.3	1148.5	1200
2025-02-01	1134.6	1132.4	1148.5	1200
2025-01-01	1134.6	1132.4	1146.8	1200
2024-12-01	1134.6	1132.4	1146.8	1200
2024-11-01	1134.6	1132.4	1146.8	1200
2024-10-01	1134.6	1132.4	1146.8	1200
2024-09-01	1134.6	1132.4	1146.8	1200
2024-08-01	1134.6	1132.4	1146.8	1200
2024-07-01	1134.6	1132.4	1146.8	1200
2024-06-01	1134.6	1132.4	1146.8	1200
2024-08-01	1134.6	1132.4	1146.8	1200
2024-04-01	1134.6	1132.4	1146.8	1200
2024-03-01	1134.6	1132.4	1146.8	1200
2024-02-01	1118.2	1132.4	1142.4	1200
2024-01-01	1118.2	1132.4	1142.4	1200
2023-12-01	1118.2	1132.4	1142.4	1200
2023-11-01	1118.2	1132.4	1142.4	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	Cape Winelands Schools - Trials 1 2025 (U17 Boys)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Schools - Trials 1 2025 (U17 Boys)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	4	1	Yes	Analysis
2	Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
3	CW Top Schools 2023 (U15 Mix)	2023-08-26	2023-08-26	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis
4	Cape Winelands Schools Chess - Trials 1 2023 (U15 Boys)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Lottering, R (Rolan)				Opponent Lottering, R (Rolan)
2	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 6	type Rapid	result 1	date 2024-02-17	rnd 6	type Rapid	result 1
		Opponent Solomon, X (Xavier)				Opponent Solomon, X (Xavier)
3	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 4	type Rapid	result 0.5	date 2024-02-17	rnd 4	type Rapid	result 0.5
		Opponent Tise, T (Tyreeque)				Opponent Tise, T (Tyreeque)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Lottering, R (Rolan)				Opponent Lottering, R (Rolan)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 1
		Opponent Cronje, E (Edrich)				Opponent Cronje, E (Edrich)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 6	type Rapid	result 1	date 2024-02-17	rnd 6	type Rapid	result 1
		Opponent Solomon, X (Xavier)				Opponent Solomon, X (Xavier)
2	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 4	type Rapid	result 0.5	date 2024-02-17	rnd 4	type Rapid	result 0.5
		Opponent Tise, T (Tyreeque)				Opponent Tise, T (Tyreeque)
3	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 2	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Pretorius, A (Andro)				Opponent Pretorius, A (Andro)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Lottering, R (Rolan)				Opponent Lottering, R (Rolan)
2	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 6	type Rapid	result 1	date 2024-02-17	rnd 6	type Rapid	result 1
		Opponent Solomon, X (Xavier)				Opponent Solomon, X (Xavier)
3	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 2	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Pretorius, A (Andro)				Opponent Pretorius, A (Andro)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Lottering, R (Rolan)				Opponent Lottering, R (Rolan)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 1
		Opponent Cronje, E (Edrich)				Opponent Cronje, E (Edrich)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 6	type Rapid	result 1	date 2024-02-17	rnd 6	type Rapid	result 1
		Opponent Solomon, X (Xavier)				Opponent Solomon, X (Xavier)
2	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 2	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Pretorius, A (Andro)				Opponent Pretorius, A (Andro)
3	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 4	type Rapid	result 1	date 2023-08-26	rnd 4	type Rapid	result 1
		Opponent Jonkers, J (Juwelle)				Opponent Jonkers, J (Juwelle)

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	Matthys ,C (Chadley)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Matthys ,C (Chadley)	1	1281.3	856.3	1	1264.1	856.3	0	0	0	0	0	0
2	Sam ,L (Lithemba)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Sam ,L (Lithemba)	1	1156.1	731.1	1	1146.8	731.1	0	0	0	0	0	0
3	Smith ,K (Kayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Smith ,K (Kayden)	1	1221.5	796.5	1	1206.7	796.5	0	0	0	0	0	0
4	Koopman ,J (Jayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Koopman ,J (Jayden)	1	1239.9	814.9	1	1188.2	814.9	0	0	0	0	0	0
5	Esterhuizen ,E (Emile)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Esterhuizen ,E (Emile)	1	1196.6	771.6	1	1173.6	771.6	0	0	0	0	0	0
6	Benson ,L (Luke)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Benson ,L (Luke)	1	1235.7	810.7	1	1236.7	810.7	0	0	0	0	0	0
7	De Bruin ,M (Mario-John)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	De Bruin ,M (Mario-John)	1	1056.6	631.6	1	1041.2	631.6	0	0	0	0	0	0
8	Cronje ,E (Edrich)	1	1	425	1	1	425	0	0	0	0	0	0
8	Cronje ,E (Edrich)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Lottering ,R (Rolan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Lottering ,R (Rolan)	1	1134.3	1559.3	1	1114	1559.3	0	0	0	0	0	0
10	Louw ,B (Ben)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Louw ,B (Ben)	1	1435.6	1010.6	0	0	0	1	1298.2	1010.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Grobler, R (Reinhart)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms