Chess South Africa Ratings Database

PLAYER PAGE

Personal

Grobler, MD (Marco De Wit)

Chess SA id

104011327

FIDE id

Date of birth

2004-04-29 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-01-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1374.7	1379.8	1228.6	1230.4
Raw rating	1374.7	1379.8	1228.6	1230.4
Weighted rating	1374.7	1379.8	1228.6	1230.4
Weighted performance	280.6	280	0	0
Floor	874.7	879.8	728.6	730.4
K-factor	36	36	36	36
Min/Max rating change allowed	129.3	128.3	159.2	158.8
Highest rating	1374.7 2024-03-01	1379.8 2024-03-01	1228.6 2018-05-01	1236 2018-08-01
Highest raw rating	1374.7 2024-03-01	1379.8 2024-03-01	1228.6 2024-03-01	1230.4 2024-03-01
Highest weighted rating	1374.7 2025-02-01	1379.8 2024-03-01	1228.6 2018-05-01	1230.4 2024-03-01
Highest weighted performance	1335.9 2020-01-01	1334.1 2020-01-01	1200 2024-03-01	1236 2018-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1374.7	1379.8	1228.6	1230.4
Analysis
Rating	1374.7	1379.8	1228.6	1230.4
Raw rating	1374.7	1379.8	1228.6	1230.4
Weighted rating	1374.7	1379.8	1228.6
Weighted performance	280.6	280	0
K-factor	36	36	36	36
Floor	874.7	879.8	728.6	730.4
Max/Min rating change allowed	129.3	128.3	159.2	158.8
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	1374.7	1379.8	1228.6	1230.4
New weighted rating	1374.7	1379.8	1228.6	1230.4
New weighted performance	272.2	271.6	0	0
Temp new rating	1374.7	1379.8	1228.6	1230.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1374.7	1379.8	1228.6	1230.4
New K-factor	36	36	36	36
New floor	874.7	879.8	728.6	730.4

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	499	448	43	8

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
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	45	30.5	67.78	151.1	1135.7	1286.9
Standard	37	27.5	74.32	206.8	1092.7	1299.5
Rapid	0	0	0	0	0	0
Blitz	8	3	37.5	-106.2	1334.7	1228.4

Date	Main	Standard	Rapid	Blitz
2025-11-01	1374.7	1379.8	1228.6	1230.4
2025-09-30	1374.7	1379.8	1228.6	1230.4
2025-09-01	1374.7	1379.8	1228.6	1230.4
2025-08-01	1374.7	1379.8	1228.6	1230.4
2025-07-01	1374.7	1379.8	1228.6	1230.4
2025-06-01	1374.7	1379.8	1228.6	1230.4
2025-05-01	1374.7	1379.8	1228.6	1230.4
2025-04-01	1374.7	1379.8	1228.6	1230.4
2025-03-01	1374.7	1379.8	1228.6	1230.4
2025-02-01	1374.7	1379.8	1228.6	1230.4
2025-01-01	1374.7	1379.8	1228.6	1230.4
2024-12-01	1374.7	1379.8	1228.6	1230.4
2024-11-01	1374.7	1379.8	1228.6	1230.4
2024-10-01	1374.7	1379.8	1228.6	1230.4
2024-09-01	1374.7	1379.8	1228.6	1230.4
2024-08-01	1374.7	1379.8	1228.6	1230.4
2024-07-01	1374.7	1379.8	1228.6	1230.4
2024-09-01	1374.7	1379.8	1228.6	1230.4
2024-05-01	1374.7	1379.8	1228.6	1230.4
2024-04-01	1374.7	1379.8	1228.6	1230.4
2024-03-01	1374.7	1379.8	1228.6	1230.4
2024-02-01	1374.7	1379.8	1228.6	1230.4
2024-01-01	1374.7	1379.8	1228.6	1230.4
2023-12-01	1374.7	1379.8	1228.6	1230.4

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	2019 South African Top Schools Team Championships (U15+U17 Open)	2020-01-10	2020-01-11	Standard	4 Knights (4K)	5	4	3	Yes	Analysis
2	2019 Gauteng School League Finals (U15 Open)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
3	Waterkloof Open Fide Blitz 2018	2018-08-02	2018-08-02	Blitz	Tshwane (GTP)	10	8	3	Yes	Analysis
4	2018 Mid Gauteng Open (C)	2018-08-18	2018-08-18	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
5	2018 Gauteng League Final (U15)	2018-08-25	2018-08-25	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
6	2018 D4 Tshwane South Schools League Finals (U15)	2018-08-04	2018-08-04	Standard	Tshwane (GTP)	5	4	4	Yes	Analysis
7	2018 Waterkloof Open (B)	2018-03-03	2018-03-04	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
8	2018 Blou Bul Open (C)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
9	Grey College Inter Team Chess Tournament 2018 (B)	2018-02-23	2018-02-24	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	16	Tournament 2018 Mid Gauteng Open				Tournament 2019 South African Top Schools Team Championships
		date 2018-08-18	rnd 3	type Standard	result 1	date 2020-01-11	rnd 4	type Standard	result 1
		Opponent Swanepoel, D (Darius)				Opponent Khampepe, OJ (Olebogeng)
2	5	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 Mid Gauteng Open
		date 2018-08-04	rnd 1	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Bester, U (Ulrich)				Opponent Louw, R (Raynor)
3	4	Tournament 2018 Blou Bul Open				Tournament Grey College Inter Team Chess Tournament 2018
		date 2018-02-17	rnd 4	type Standard	result 1	date 2018-02-23	rnd 2	type Standard	result 0.5
		Opponent Bouwer, D (Dane)				Opponent Ramjee, S (Sharik)

#	Games	Start				End
1	16	Tournament 2018 Mid Gauteng Open				Tournament 2019 South African Top Schools Team Championships
		date 2018-08-18	rnd 3	type Standard	result 1	date 2020-01-11	rnd 4	type Standard	result 1
		Opponent Swanepoel, D (Darius)				Opponent Khampepe, OJ (Olebogeng)
2	7	Tournament 2018 Waterkloof Open				Tournament 2018 Mid Gauteng Open
		date 2018-03-04	rnd 4	type Standard	result 0.5	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Ismail, I (Imaan)				Opponent Louw, R (Raynor)
3	4	Tournament 2018 Blou Bul Open				Tournament Grey College Inter Team Chess Tournament 2018
		date 2018-02-17	rnd 4	type Standard	result 1	date 2018-02-23	rnd 2	type Standard	result 0.5
		Opponent Bouwer, D (Dane)				Opponent Ramjee, S (Sharik)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 5	type Blitz	result 1	date 2018-08-02	rnd 6	type Blitz	result 1
		Opponent Fourie, J (Jannie)				Opponent Sibanda, C (Colile)
2	1	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 2	type Blitz	result 1	date 2018-08-02	rnd 2	type Blitz	result 1
		Opponent Botha, AM (Andre)				Opponent Botha, AM (Andre)

#	Games	Start				End
1	9	Tournament 2018 Gauteng League Final				Tournament 2019 South African Top Schools Team Championships
		date 2018-08-25	rnd 5	type Standard	result 1	date 2020-01-11	rnd 4	type Standard	result 1
		Opponent Bila, K (Kgomotso)				Opponent Khampepe, OJ (Olebogeng)
2	5	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 Mid Gauteng Open
		date 2018-08-04	rnd 1	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Bester, U (Ulrich)				Opponent Louw, R (Raynor)
3	3	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-25	rnd 1	type Standard	result 1	date 2018-08-25	rnd 3	type Standard	result 1
		Opponent Khoza, B (Bongane)				Opponent Jansen, WJ (Willem Jacobus)

#	Games	Start				End
1	9	Tournament 2018 Gauteng League Final				Tournament 2019 South African Top Schools Team Championships
		date 2018-08-25	rnd 5	type Standard	result 1	date 2020-01-11	rnd 4	type Standard	result 1
		Opponent Bila, K (Kgomotso)				Opponent Khampepe, OJ (Olebogeng)
2	6	Tournament 2018 Waterkloof Open				Tournament 2018 Mid Gauteng Open
		date 2018-03-04	rnd 5	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Bouwer, D (Dane)				Opponent Louw, R (Raynor)
3	3	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-25	rnd 1	type Standard	result 1	date 2018-08-25	rnd 3	type Standard	result 1
		Opponent Khoza, B (Bongane)				Opponent Jansen, WJ (Willem Jacobus)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 5	type Blitz	result 1	date 2018-08-02	rnd 6	type Blitz	result 1
		Opponent Fourie, J (Jannie)				Opponent Sibanda, C (Colile)
2	1	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 2	type Blitz	result 1	date 2018-08-02	rnd 2	type Blitz	result 1
		Opponent Botha, AM (Andre)				Opponent Botha, AM (Andre)

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	Bouwer ,D (Dane)	2	2	425	2	2	425	0	0	0	0	0	0
1	Bouwer ,D (Dane)	2	1114.8	1539.8	2	1116.4	1539.8	0	0	0	0	0	0
2	Khampepe ,OJ (Olebogeng Joy)	1	1	425	1	1	425	0	0	0	0	0	0
2	Khampepe ,OJ (Olebogeng Joy)	1	1248.8	1673.8	1	1242.3	1673.8	0	0	0	0	0	0
3	Carney ,L (Luzelle)	1	1	425	1	1	425	0	0	0	0	0	0
3	Carney ,L (Luzelle)	1	950.8	1375.8	1	957.7	1375.8	0	0	0	0	0	0
4	Lara ,K (Katleho)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Lara ,K (Katleho)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Bester ,U (Ulrich)	1	1	425	1	1	425	0	0	0	0	0	0
5	Bester ,U (Ulrich)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Antony ,R (Rithik)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Antony ,R (Rithik)	1	1099.2	674.2	1	1099.2	674.2	0	0	0	0	0	0
7	Du Toit ,GF (Guillaume Francois)	1	1	425	1	1	425	0	0	0	0	0	0
7	Du Toit ,GF (Guillaume Francois)	1	1165.1	1590.1	1	1157.2	1590.1	0	0	0	0	0	0
8	Diedericks ,M (Mathiam)	1	1	425	1	1	425	0	0	0	0	0	0
8	Diedericks ,M (Mathiam)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Van Den Berg ,R (Reynard)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Den Berg ,R (Reynard)	1	1003.5	578.5	1	996.8	578.5	0	0	0	0	0	0
10	Jansen ,WJ (Willem Jacobus)	1	1	425	1	1	425	0	0	0	0	0	0
10	Jansen ,WJ (Willem Jacobus)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Grobler, MD (Marco De Wit)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms