Chess South Africa Ratings Database

PLAYER PAGE

Personal

La Grange, D (Deon)

Chess SA id

166016867

FIDE id

Date of birth

1966-11-30 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-12-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1717.4	1724	1711.4	1757
Raw rating	1717.4	1724	1711.4	1757
Weighted rating	1714.1	1721	1709.5	1756.9
Weighted performance	1345.8	0	0	0
Floor	1244	1244	1244	1257
K-factor	28	28	28	28
Min/Max rating change allowed	79.3	78.6	80	75
Highest rating	1744 2019-08-01	1744 2019-08-01	1744 2019-08-01	1757 2024-02-01
Highest raw rating	1744 2019-12-01	1744 2024-02-01	1744 2019-12-01	1757 2024-02-01
Highest weighted rating	1744 2019-08-01	1744 2019-08-01	1744 2019-08-01	1756.6 2025-08-01
Highest weighted performance	1588.6 2020-02-01	1636.1 2024-09-01	1411.5 2020-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1717.4	1724	1711.4	1757
Analysis
Rating	1717.4	1724	1711.4	1757
Raw rating	1717.4	1724	1711.4	1757
Weighted rating	1714.1	1721	1709.5
Weighted performance	1345.8	0	0
K-factor	28	28	28	28
Floor	1244	1244	1244	1257
Max/Min rating change allowed	79.3	78.6	80	75
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	1717.4	1724	1711.4	1757
New weighted rating	1713.9	1720.8	1709.3	1757
New weighted performance	1345.3	0	0	0
Temp new rating	1717.4	1724	1711.4	1757
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1717.4	1724	1711.4	1757
New K-factor	28	28	28	28
New floor	1244	1244	1244	1257

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	21	14	7
	0	0	0
	0	0	0
	0	0	0
History	44	31	13

Games since
	Main 21	Standard 14		Rapid 7		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	27	14	51.85	15.7	1582.9	1598.7
Standard	14	5.5	39.29	-91.1	1664.2	1573.1
Rapid	13	8.5	65.38	130.8	1495.4	1626.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1717.4	1724	1711.4	1757
2025-09-01	1717.4	1724	1711.4	1757
2025-08-01	1717.4	1724	1711.4	1757
2025-07-01	1717.4	1724	1711.4	1757
2025-06-01	1717.4	1724	1711.4	1757
2025-05-01	1717.4	1724	1711.4	1757
2025-04-01	1717.4	1724	1711.4	1757
2025-03-01	1717.4	1724	1711.4	1757
2025-02-01	1714.9	1721.6	1709.2	1757
2025-01-01	1670.4	1680.7	1675.9	1757
2024-12-01	1674.3	1684.6	1675.9	1757
2024-11-01	1674.3	1684.6	1675.9	1757
2024-10-01	1674.3	1684.6	1675.9	1757
2024-09-01	1739.3	1744	1733.3	1757
2024-08-01	1739.3	1744	1733.3	1757
2024-07-01	1739.3	1744	1733.3	1757
2024-06-01	1739.3	1744	1733.3	1757
2024-08-01	1739.3	1744	1733.3	1757
2024-04-01	1739.3	1744	1733.3	1757
2024-03-01	1739.3	1744	1733.3	1757
2024-02-01	1739.3	1744	1733.3	1757
2024-01-01	1739.3	1744	1733.3	1757
2023-12-01	1739.3	1744	1716.8	1744
2023-11-01	1739.3	1744	1716.8	1744

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	Gauteng Inter-Region at UJ 2024 (Adult+Senior)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
2	Mzansi Spring Open 2024 (Expert)	2024-09-07	2024-09-07	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	JCC Khelo India 1st Annual Chess Tournament 2024 (A)	2024-08-31	2024-08-31	Standard	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis
4	Chess Power House Spring Rapid 2024	2024-09-01	2024-09-01	Rapid	Johannesburg Metro (GJM)	7	7	4.5	Yes	Analysis
5	Chess Heroes Open Rapid Challenge 2020	2020-02-01	2020-02-01	Rapid	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament Chess Power House Spring Rapid 2024				Tournament Chess Power House Spring Rapid 2024
		date 2024-09-01	rnd 4	type Rapid	result 1	date 2024-09-01	rnd 7	type Rapid	result 0.5
		Opponent Memeh, C (Chime)				Opponent Modisaotsile, B (Botlhale)
2	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 1	type Standard	result 1	date 2024-12-07	rnd 3	type Standard	result 0.5
		Opponent Nel, H (Hayley)				Opponent Pearson, RW (Russel)
3	2	Tournament Chess Heroes Open Rapid Challenge 2020				Tournament Chess Heroes Open Rapid Challenge 2020
		date 2020-02-01	rnd 3	type Rapid	result 1	date 2020-02-01	rnd 4	type Rapid	result 1
		Opponent Laeke, N (Nahom)				Opponent Ziegenhagen, V (Vian Luke)

#	Games	Start				End
1	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 1	type Standard	result 1	date 2024-12-07	rnd 3	type Standard	result 0.5
		Opponent Nel, H (Hayley)				Opponent Pearson, RW (Russel)
2	1	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-08	rnd 5	type Standard	result 1	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Molao, R (Rethabile)				Opponent Molao, R (Rethabile)
3	1	Tournament Mzansi Spring Open 2024				Tournament Mzansi Spring Open 2024
		date 2024-09-07	rnd 4	type Standard	result 1	date 2024-09-07	rnd 4	type Standard	result 1
		Opponent Magagula, R (Raymond)				Opponent Magagula, R (Raymond)

#	Games	Start				End
1	4	Tournament Chess Power House Spring Rapid 2024				Tournament Chess Power House Spring Rapid 2024
		date 2024-09-01	rnd 4	type Rapid	result 1	date 2024-09-01	rnd 7	type Rapid	result 0.5
		Opponent Memeh, C (Chime)				Opponent Modisaotsile, B (Botlhale)
2	2	Tournament Chess Heroes Open Rapid Challenge 2020				Tournament Chess Heroes Open Rapid Challenge 2020
		date 2020-02-01	rnd 3	type Rapid	result 1	date 2020-02-01	rnd 4	type Rapid	result 1
		Opponent Laeke, N (Nahom)				Opponent Ziegenhagen, V (Vian Luke)
3	1	Tournament Chess Power House Spring Rapid 2024				Tournament Chess Power House Spring Rapid 2024
		date 2024-09-01	rnd 2	type Rapid	result 1	date 2024-09-01	rnd 2	type Rapid	result 1
		Opponent Van Heerden, A (Alexander)				Opponent Van Heerden, A (Alexander)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Chess Power House Spring Rapid 2024				Tournament Chess Power House Spring Rapid 2024
		date 2024-09-01	rnd 4	type Rapid	result 1	date 2024-09-01	rnd 6	type Rapid	result 1
		Opponent Memeh, C (Chime)				Opponent Naidoo, K (Kajol)
2	2	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 1	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Nel, H (Hayley)				Opponent Moultrey, A (Antonio Chrispian)
3	2	Tournament Chess Heroes Open Rapid Challenge 2020				Tournament Chess Heroes Open Rapid Challenge 2020
		date 2020-02-01	rnd 3	type Rapid	result 1	date 2020-02-01	rnd 4	type Rapid	result 1
		Opponent Laeke, N (Nahom)				Opponent Ziegenhagen, V (Vian Luke)

#	Games	Start				End
1	2	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 1	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Nel, H (Hayley)				Opponent Moultrey, A (Antonio Chrispian)
2	1	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-08	rnd 5	type Standard	result 1	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Molao, R (Rethabile)				Opponent Molao, R (Rethabile)
3	1	Tournament Mzansi Spring Open 2024				Tournament Mzansi Spring Open 2024
		date 2024-09-07	rnd 4	type Standard	result 1	date 2024-09-07	rnd 4	type Standard	result 1
		Opponent Magagula, R (Raymond)				Opponent Magagula, R (Raymond)

#	Games	Start				End
1	3	Tournament Chess Power House Spring Rapid 2024				Tournament Chess Power House Spring Rapid 2024
		date 2024-09-01	rnd 4	type Rapid	result 1	date 2024-09-01	rnd 6	type Rapid	result 1
		Opponent Memeh, C (Chime)				Opponent Naidoo, K (Kajol)
2	2	Tournament Chess Heroes Open Rapid Challenge 2020				Tournament Chess Heroes Open Rapid Challenge 2020
		date 2020-02-01	rnd 3	type Rapid	result 1	date 2020-02-01	rnd 4	type Rapid	result 1
		Opponent Laeke, N (Nahom)				Opponent Ziegenhagen, V (Vian Luke)
3	1	Tournament Chess Power House Spring Rapid 2024				Tournament Chess Power House Spring Rapid 2024
		date 2024-09-01	rnd 2	type Rapid	result 1	date 2024-09-01	rnd 2	type Rapid	result 1
		Opponent Van Heerden, A (Alexander)				Opponent Van Heerden, A (Alexander)

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	Hercules ,BV (Benjamin Vincent)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Hercules ,BV (Benjamin Vincent)	1	2115.2	1690.2	1	2137.2	1690.2	0	0	0	0	0	0
2	Mlahleki ,V (Vusimuzi)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mlahleki ,V (Vusimuzi)	1	2093.6	1668.6	1	2090.5	1668.6	0	0	0	0	0	0
3	Xulu ,L (Lindokuhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Xulu ,L (Lindokuhle)	1	2030.7	1605.7	1	2073.9	1605.7	0	0	0	0	0	0
4	Ngubeni ,JM (Jackie)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Ngubeni ,JM (Jackie)	1	1523.2	1098.2	1	1502.7	1098.2	0	0	0	0	0	0
5	Netshivhulana ,R (Ronewa Philip)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Netshivhulana ,R (Ronewa Philip)	1	1462.2	1037.2	1	1456.9	1037.2	0	0	0	0	0	0
6	Vermeulen ,EJ (Ernestus Jacobus)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Vermeulen ,EJ (Ernestus Jacobus)	1	1520.9	1095.9	1	1526.8	1095.9	0	0	0	0	0	0
7	Moultrey ,A (Antonio Chrispian)	1	1	425	1	1	425	0	0	0	0	0	0
7	Moultrey ,A (Antonio Chrispian)	1	1287	1712	1	1315.7	1712	0	0	0	0	0	0
8	Nel ,H (Hayley)	1	1	425	1	1	425	0	0	0	0	0	0
8	Nel ,H (Hayley)	1	1804.9	2229.9	1	1830.8	2229.9	0	0	0	0	0	0
9	Mathivha ,PA (Phathutshedzo Andrew)	1	1	425	0	0	0	1	1	425	0	0	0
9	Mathivha ,PA (Phathutshedzo Andrew)	1	1484	1909	0	0	0	1	1482.3	1909	0	0	0
10	Memeh ,C (Chime)	1	1	425	0	0	0	1	1	425	0	0	0
10	Memeh ,C (Chime)	1	1615.2	2040.2	0	0	0	1	1347.8	2040.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

La Grange, D (Deon)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms