Chess South Africa Ratings Database

PLAYER PAGE

Personal

Roberts, MH (Marthinus Hendrik)

Chess SA id

1170157329

FIDE id

Date of birth

2017-04-05 (U10)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-31

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1514.8	1504.2	1255.4	1200
Raw rating	1514.8	1504.2	1255.4	1200
Weighted rating	1512.4	1502.2	1255.4	1200
Weighted performance	1234.8	1235.5	0	0
Floor	1082.7	1077.8	755.4	700
K-factor	32	32	36	36
Min/Max rating change allowed	105.9	107.5	153.2	165.8
Highest rating	1599.1 2024-04-01	1594.2 2024-04-01	1455.5 2023-09-01	1200 2018-10-01
Highest raw rating	1582.7 2024-05-01	1577.8 2024-05-01	1255.4 2024-02-01	1200 2024-02-01
Highest weighted rating	1498.8 2025-08-01	1488.2 2025-08-01	1255.4 2025-08-01	1200 2018-10-01
Highest weighted performance	1599.1 2024-04-01	1594.2 2024-04-01	1455.5 2023-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.2	0.6	0	0
New rating	1515	1504.8	1255.4	1200
Analysis
Rating	1514.8	1504.2	1255.4	1200
Raw rating	1514.8	1504.2	1255.4	1200
Weighted rating	1512.4	1502.2	1255.4
Weighted performance	1234.8	1235.5	0
K-factor	32	32	36	36
Floor	1082.7	1077.8	755.4	700
Max/Min rating change allowed	105.9	107.5	153.2	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	1514.8	1504.2	1255.4	1200
New weighted rating	1515	1504.8	1255.4	1200
New weighted performance	1226.2	1227	0	0
Temp new rating	1515	1504.8	1255.4	1200
Temp new rating +/-	0.2	0.6	0	0
Final new rating +/-	0.2	0.6	0	0
New rating	1515	1504.8	1255.4	1200
New K-factor	32	32	36	36
New floor	1082.7	1077.8	755.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	51	51	0
	24	19	5
	0	0	0
	0	0	0
History	75	70	5

Games since
	Main 51	Standard 51		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1175		410		151
Male	1016		344		127
U10	60		28		8
U10 Male	53		25		7
Standard
	RSA		Province		Region
Overall	1175		432		159
Male	1004		364		133
U10	63		31		8
U10 Male	55		28		7
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	75	55.5	74	204	1217.5	1421.5
Standard	70	51.5	73.57	200.4	1218.4	1418.8
Rapid	5	4	80	255	1204.8	1459.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1514.8	1504.2	1255.4	1200
2025-09-30	1514.8	1504.2	1255.4	1200
2025-09-01	1514.8	1504.2	1255.4	1200
2025-08-01	1514.8	1504.2	1255.4	1200
2025-07-01	1514.8	1504.2	1255.4	1200
2025-06-01	1514.8	1504.2	1255.4	1200
2025-05-01	1514.8	1504.2	1255.4	1200
2025-04-01	1514.8	1504.2	1255.4	1200
2025-03-01	1514.8	1504.2	1255.4	1200
2025-02-01	1514.8	1504.2	1255.4	1200
2025-01-01	1514.8	1504.2	1255.4	1200
2024-12-01	1514.8	1504.2	1255.4	1200
2024-11-01	1514.8	1504.2	1255.4	1200
2024-10-01	1514.8	1504.2	1255.4	1200
2024-09-01	1514.8	1502.6	1255.4	1200
2024-08-01	1566	1558.6	1255.4	1200
2024-07-01	1582.7	1577.8	1255.4	1200
2024-09-01	1582.7	1577.8	1255.4	1200
2024-05-01	1582.7	1577.8	1255.4	1200
2024-04-01	1484.1	1480.8	1255.4	1200
2024-03-01	1303	1293.2	1255.4	1200
2024-02-01	1250.9	1234.2	1255.4	1200
2024-01-01	1241.6	1219.1	1255.4	1200
2023-12-01	1241.6	1219.1	1255.4	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	2024 Etienne Lewis (U8)	2024-08-31	2024-08-31	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	2024 Alekhine Open Chess Tournament (U8)	2024-08-09	2024-08-09	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U9A)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	Menlopark Open Chess Tournament 2024 (U8)	2024-07-13	2024-07-13	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
5	Bojanala Olienpark's One For The Ages 2024 (Center Pawns)	2024-04-20	2024-04-20	Standard	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
6	Bojanala's Rating Express 2024 (Big Pawns)	2024-04-06	2024-04-06	Standard	Bojanala Platina (NBR)	7	6	6	Yes	Analysis
7	2024 Chris Greyling Open Chess Tournament (F)	2024-03-16	2024-03-16	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
8	2024 Wynie Robbertse Chess Tournament (F)	2024-03-02	2024-03-02	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
9	2024 Constantiapark Open (F)	2024-02-17	2024-02-17	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
10	JMC Kick Off Tournament 2024 (U8)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	Lardies Open Tournament 2023 (F)	2023-10-28	2023-10-28	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
12	2023 U8 Open Chess Tournament	2023-09-02	2023-09-02	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
13	Ekurhuleni Chess Spring Tournament 2023 (E)	2023-09-23	2023-09-23	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
14	2023 Menlo Open Tournament (F)	2023-07-22	2023-07-22	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
15	JNW Open - Trinityhouse Little Falls 2023 (U8)	2023-06-24	2023-06-24	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	25	Tournament 2024 Constantiapark Open				Tournament Menlopark Open Chess Tournament 2024
		date 2024-02-17	rnd 4	type Standard	result 1	date 2024-07-13	rnd 2	type Standard	result 1
		Opponent Lochner, C (Calitz)				Opponent Fischer, E (Ernst)
2	6	Tournament 2024 Alekhine Open Chess Tournament				Tournament 2024 Etienne Lewis
		date 2024-08-09	rnd 3	type Standard	result 1	date 2024-08-31	rnd 3	type Standard	result 1
		Opponent Jansen Van Vuurnen, C (Clana)				Opponent Simao, R (Raul)
3	5	Tournament Menlopark Open Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-07-13	rnd 4	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Johnson, I (Isabelle)				Opponent Venter, L (Liam)

#	Games	Start				End
1	25	Tournament 2024 Constantiapark Open				Tournament Menlopark Open Chess Tournament 2024
		date 2024-02-17	rnd 4	type Standard	result 1	date 2024-07-13	rnd 2	type Standard	result 1
		Opponent Lochner, C (Calitz)				Opponent Fischer, E (Ernst)
2	6	Tournament 2024 Alekhine Open Chess Tournament				Tournament 2024 Etienne Lewis
		date 2024-08-09	rnd 3	type Standard	result 1	date 2024-08-31	rnd 3	type Standard	result 1
		Opponent Jansen Van Vuurnen, C (Clana)				Opponent Simao, R (Raul)
3	5	Tournament Menlopark Open Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-07-13	rnd 4	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Johnson, I (Isabelle)				Opponent Venter, L (Liam)

#	Games	Start				End
1	2	Tournament 2023 U8 Open Chess Tournament				Tournament 2023 U8 Open Chess Tournament
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Vorster, V (Vallen)				Opponent Pistorius, A (Amberley-Rose)
2	2	Tournament 2023 U8 Open Chess Tournament				Tournament 2023 U8 Open Chess Tournament
		date 2023-09-02	rnd 1	type Rapid	result 1	date 2023-09-02	rnd 2	type Rapid	result 1
		Opponent Rossouw, A (Amberle)				Opponent Van Rooyen, E (Elann)

No games found.

#	Games	Start				End

#	Games	Start				End
1	22	Tournament 2024 Wynie Robbertse Chess Tournament				Tournament Menlopark Open Chess Tournament 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-07-13	rnd 2	type Standard	result 1
		Opponent Van Der Merwe, D (Dohan)				Opponent Fischer, E (Ernst)
2	6	Tournament 2024 Alekhine Open Chess Tournament				Tournament 2024 Etienne Lewis
		date 2024-08-09	rnd 3	type Standard	result 1	date 2024-08-31	rnd 3	type Standard	result 1
		Opponent Jansen Van Vuurnen, C (Clana)				Opponent Simao, R (Raul)
3	5	Tournament Menlopark Open Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-07-13	rnd 4	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Johnson, I (Isabelle)				Opponent Venter, L (Liam)

#	Games	Start				End
1	22	Tournament 2024 Wynie Robbertse Chess Tournament				Tournament Menlopark Open Chess Tournament 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-07-13	rnd 2	type Standard	result 1
		Opponent Van Der Merwe, D (Dohan)				Opponent Fischer, E (Ernst)
2	6	Tournament 2024 Alekhine Open Chess Tournament				Tournament 2024 Etienne Lewis
		date 2024-08-09	rnd 3	type Standard	result 1	date 2024-08-31	rnd 3	type Standard	result 1
		Opponent Jansen Van Vuurnen, C (Clana)				Opponent Simao, R (Raul)
3	5	Tournament Menlopark Open Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-07-13	rnd 4	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Johnson, I (Isabelle)				Opponent Venter, L (Liam)

#	Games	Start				End
1	2	Tournament 2023 U8 Open Chess Tournament				Tournament 2023 U8 Open Chess Tournament
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Vorster, V (Vallen)				Opponent Pistorius, A (Amberley-Rose)
2	2	Tournament 2023 U8 Open Chess Tournament				Tournament 2023 U8 Open Chess Tournament
		date 2023-09-02	rnd 1	type Rapid	result 1	date 2023-09-02	rnd 2	type Rapid	result 1
		Opponent Rossouw, A (Amberle)				Opponent Van Rooyen, E (Elann)

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	Kgwale ,K (Keratilwe)	5	4	255	5	4	255	0	0	0	0	0	0
1	Kgwale ,K (Keratilwe)	5	1225.2	1480.2	5	1233.5	1480.2	0	0	0	0	0	0
2	Barkhuizen ,R (Reuben)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Barkhuizen ,R (Reuben)	3	1278.1	1136.4	3	1272.5	1136.4	0	0	0	0	0	0
3	Koorts ,L (Lukas)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
3	Koorts ,L (Lukas)	3	1234.2	1092.5	3	1232.2	1092.5	0	0	0	0	0	0
4	Grobbelaar ,M (Mari)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
4	Grobbelaar ,M (Mari)	3	1228.8	1087.1	2	1215.8	1228.8	1	1200	803.8	0	0	0
5	Ntuli ,S (Siphesihle)	2	2	425	2	2	425	0	0	0	0	0	0
5	Ntuli ,S (Siphesihle)	2	1129.9	1554.9	2	1116.2	1554.9	0	0	0	0	0	0
6	Joubert ,Z (Zani)	2	2	425	2	2	425	0	0	0	0	0	0
6	Joubert ,Z (Zani)	2	1180.6	1605.6	2	1175.7	1605.6	0	0	0	0	0	0
7	Conradie ,D (David)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Conradie ,D (David)	2	1234.6	809.6	2	1240.9	809.6	0	0	0	0	0	0
8	Li ,J (Jiming)	2	1	0	2	1	0	0	0	0	0	0	0
8	Li ,J (Jiming)	2	1251.6	1251.6	2	1248.2	1251.6	0	0	0	0	0	0
9	Roos ,B (Benjamin)	2	1	0	2	1	0	0	0	0	0	0	0
9	Roos ,B (Benjamin)	2	1341.3	1341.3	2	1343.6	1341.3	0	0	0	0	0	0
10	Mabugu ,R (Refilwe)	2	2	425	2	2	425	0	0	0	0	0	0
10	Mabugu ,R (Refilwe)	2	1093.3	1518.3	2	1085.1	1518.3	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

Roberts, MH (Marthinus Hendrik)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms