Chess South Africa Ratings Database

PLAYER PAGE

Personal

Maroba, M (Mark)

Chess SA id

1090155592

FIDE id

Date of birth

2009-12-25 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-21

Personal details last changed

1900-01-01

Junior GPX Games

73.9

Junior GPX Points

1600.4

Item	Main	Standard	Rapid	Blitz
Rating	1759.6	1755.8	1405.5	1200
Raw rating	1713.4	1727.6	1405.5	1200
Weighted rating	1612	1597.8	1391.3	1200
Weighted performance	1759.6	1755.8	0	0
Floor	1213.4	1227.6	905.5	700
K-factor	28	28	32	36
Min/Max rating change allowed	79.8	78.2	123.7	165.8
Highest rating	1783 2025-09-30	1772.2 2025-09-30	1480.2 2023-10-01	1200 2018-10-01
Highest raw rating	1713.4 2025-11-01	1727.6 2025-11-01	1405.5 2024-11-01	1200 2024-02-01
Highest weighted rating	1612 2025-11-01	1597.8 2025-11-01	1382.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1783 2025-09-30	1785.2 2025-09-01	1480.2 2023-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-10.5	-10.4	0	0
New rating	1749.1	1745.4	1405.5	1200
Analysis
Rating	1759.6	1755.8	1405.5	1200
Raw rating	1713.4	1727.6	1405.5	1200
Weighted rating	1612	1597.8	1391.3
Weighted performance	1759.6	1755.8	0
K-factor	28	28	32	36
Floor	1213.4	1227.6	905.5	700
Max/Min rating change allowed	79.8	78.2	123.7	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	1713.4	1727.6	1405.5	1200
New weighted rating	1625.8	1616.7	1393.7	1200
New weighted performance	1749.1	1745.4	0	0
Temp new rating	1749.1	1745.4	1405.5	1200
Temp new rating +/-	-10.5	-10.4	0	0
Final new rating +/-	-10.5	-10.4	0	0
New rating	1749.1	1745.4	1405.5	1200
New K-factor	28	28	32	36
New floor	1213.4	1227.6	905.5	700

Item	Main	Standard	Rapid
	0	0	0
	60	60	0
	46	41	5
	22	5	17
	0	0	0
	0	0	0
History	128	106	22

Games since
	Main 113	Standard 101		Rapid 12		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	210		87		10
Male	198		81		9
U18	24		12		2
U18 Male	24		12		2
Standard
	RSA		Province		Region
Overall	215		89		12
Male	202		83		11
U18	26		12		2
U18 Male	26		12		2
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	60	45	75	212.5	1495.6	1708.1
Standard	60	45	75	212.5	1495.6	1708.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	128	98	76.56	225.8	1432.4	1658.2
Standard	106	79	74.53	208.5	1453.2	1661.7
Rapid	22	19	86.36	309.1	1332.4	1641.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1713.4	1727.6	1405.5	1200
2025-09-30	1706.2	1711.7	1405.5	1200
2025-09-01	1705.5	1718.4	1405.5	1200
2025-08-01	1667	1671.1	1405.5	1200
2025-07-01	1674.4	1679.1	1405.5	1200
2025-06-01	1660.7	1671	1405.5	1200
2025-05-01	1626.8	1641.4	1405.5	1200
2025-04-01	1641.8	1664.5	1405.5	1200
2025-03-01	1641.8	1664.5	1405.5	1200
2025-02-01	1641.8	1664.5	1405.5	1200
2025-01-01	1641.8	1664.5	1405.5	1200
2024-12-01	1579.8	1566.5	1405.5	1200
2024-11-01	1579.8	1566.5	1405.5	1200
2024-10-01	1565.9	1566.5	1341.1	1200
2024-09-01	1466	1365.6	1341.1	1200
2024-08-01	1466	1365.6	1341.1	1200
2024-07-01	1467.1	1339.3	1341.1	1200
2024-09-01	1383.3	1267.3	1341.1	1200
2024-05-01	1383.3	1267.3	1341.1	1200
2024-04-01	1352.8	1200	1341.1	1200
2024-03-01	1352.8	1200	1341.1	1200
2024-02-01	1352.8	1200	1341.1	1200
2024-01-01	1352.8	1200	1341.1	1200
2023-12-01	1352.8	1200	1341.1	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	2025 Gauteng Top Schools Teams (U19)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	Ekurhuleni Trial 4 2025 (C)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
3	Tshwane Chess Club Clash 2025 (Open)	2025-09-13	2025-09-13	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	D5 Teams 2025 (U19 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	3	2	1.5	Yes	Analysis
5	Ekurhuleni Trials 2025 (A)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
6	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	10	7	Yes	Analysis
7	Ekurhuleni Trial 2 2025 (C)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
8	Ekurhuleni Trials 2025 (C)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
9	D5 Anker 2025 (U18 Boys)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
10	East Rand Chess Club Open 2025 (B)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
11	South African Junior Closed Chess Championships 2025 (U16 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U19)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	Ekurhuleni Trial 4 2025 (C)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
3	Tshwane Chess Club Clash 2025 (Open)	2025-09-13	2025-09-13	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	D5 Teams 2025 (U19 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	3	2	1.5	Yes	Analysis
5	Ekurhuleni Trials 2025 (A)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
6	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	10	7	Yes	Analysis
7	Ekurhuleni Trial 2 2025 (C)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
8	Ekurhuleni Trials 2025 (C)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
9	D5 Anker 2025 (U18 Boys)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
10	East Rand Chess Club Open 2025 (B)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
11	South African Junior Closed Chess Championships 2025 (U16 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	4	Yes	Analysis
12	Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Combined)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	6	4	Yes	Analysis
13	Gauteng Inter-Region at UJ 2024 (U16 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
14	Gauteng Top Schools 2024 (U15 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	5	Yes	Analysis
15	Ekurhuleni Closed 2024 (U16)	2024-09-21	2024-09-21	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
16	Ekurhuleni Trails 3 2024 (U16)	2024-08-24	2024-08-24	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
17	Gauteng Schools Individuals Finals 2024 (U15 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
18	EN Chess Club Winter Open 2024 (B)	2024-06-29	2024-06-29	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
19	Ekurhuleni Trails 1 2024 (U16)	2024-06-01	2024-06-01	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
20	Ekurhuleni Open 2024 (B)	2024-04-06	2024-04-06	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
21	Ekurhuleni North Chess Club 2023 (B)	2023-12-09	2023-12-09	Rapid	Ekurhuleni (GE)	7	7	6	Yes	Analysis
22	Gauteng Soncini Finals 2023 (Boys)	2023-10-28	2023-10-28	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
23	Gauteng Open Arnold Classic 2023 (U16)	2023-05-19	2023-05-19	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
24	Gauteng Schools Individual Finals 2023 (U15 Boys)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	21	Tournament East Rand Chess Club Open 2025				Tournament South African Open 2025
		date 2025-05-03	rnd 1	type Standard	result 1	date 2025-06-28	rnd 1	type Standard	result 1
		Opponent Cloete, N (Nathan)				Opponent Madlanga, L (Lunga)
2	18	Tournament Ekurhuleni Trails 3 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-24	rnd 1	type Standard	result 1	date 2024-12-07	rnd 3	type Standard	result 1
		Opponent Nickols, C (Christi)				Opponent Matsiokolo, G (Godisang)
3	10	Tournament South African Open 2025				Tournament Ekurhuleni Trials 2025
		date 2025-06-30	rnd 5	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Mbiza, T (Thembani Tshepo)				Opponent Mbedza, R (Richard)

#	Games	Start				End
1	21	Tournament East Rand Chess Club Open 2025				Tournament South African Open 2025
		date 2025-05-03	rnd 1	type Standard	result 1	date 2025-06-28	rnd 1	type Standard	result 1
		Opponent Cloete, N (Nathan)				Opponent Madlanga, L (Lunga)
2	13	Tournament Ekurhuleni Trails 3 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-24	rnd 1	type Standard	result 1	date 2024-12-07	rnd 3	type Standard	result 1
		Opponent Nickols, C (Christi)				Opponent Matsiokolo, G (Godisang)
3	10	Tournament South African Open 2025				Tournament Ekurhuleni Trials 2025
		date 2025-06-30	rnd 5	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Mbiza, T (Thembani Tshepo)				Opponent Mbedza, R (Richard)

#	Games	Start				End
1	8	Tournament Gauteng Soncini Finals 2023				Tournament Ekurhuleni North Chess Club 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-12-09	rnd 6	type Rapid	result 1
		Opponent Baloyi, B (Boikanyo)				Opponent De Jager, K (Karli)
2	7	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-05-19	rnd 1	type Rapid	result 1	date 2023-10-28	rnd 2	type Rapid	result 1
		Opponent Du Toit, J (Jaunre)				Opponent Del Grosso, G (Gianluca Gabriele)
3	5	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Saunders, W (Wayde)				Opponent Smith, A (Andre)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament East Rand Chess Club Open 2025				Tournament D5 Anker 2025
		date 2025-05-03	rnd 1	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Cloete, N (Nathan)				Opponent Hlatshwayo, L (Lindokuhle)
2	8	Tournament Gauteng Top Schools 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-12-07	rnd 3	type Standard	result 1
		Opponent Saunders, W (Wayde)				Opponent Matsiokolo, G (Godisang)
3	8	Tournament Gauteng Soncini Finals 2023				Tournament Ekurhuleni North Chess Club 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-12-09	rnd 6	type Rapid	result 1
		Opponent Baloyi, B (Boikanyo)				Opponent De Jager, K (Karli)

#	Games	Start				End
1	9	Tournament East Rand Chess Club Open 2025				Tournament D5 Anker 2025
		date 2025-05-03	rnd 1	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Cloete, N (Nathan)				Opponent Hlatshwayo, L (Lindokuhle)
2	7	Tournament Ekurhuleni Trails 3 2024				Tournament Ekurhuleni Closed 2024
		date 2024-08-24	rnd 1	type Standard	result 1	date 2024-09-21	rnd 2	type Standard	result 1
		Opponent Nickols, C (Christi)				Opponent Beifus, A (Aiden)
3	5	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-05-24	rnd 4	type Standard	result 1	date 2025-06-21	rnd 3	type Standard	result 1
		Opponent Thekiso, K (Kabelo)				Opponent Du Toit, J (Jaunre)

#	Games	Start				End
1	8	Tournament Gauteng Soncini Finals 2023				Tournament Ekurhuleni North Chess Club 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-12-09	rnd 6	type Rapid	result 1
		Opponent Baloyi, B (Boikanyo)				Opponent De Jager, K (Karli)
2	5	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Saunders, W (Wayde)				Opponent Smith, A (Andre)
3	3	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-05-19	rnd 5	type Rapid	result 1	date 2023-10-28	rnd 2	type Rapid	result 1
		Opponent Joseph, J (Jamie)				Opponent Del Grosso, G (Gianluca Gabriele)

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	Du Toit ,J (Jaunre)	6	6	425	4	4	425	2	2	425	0	0	0
1	Du Toit ,J (Jaunre)	6	1437.6	1862.6	4	1428.6	1862.6	2	1200	1862.6	0	0	0
2	Shen Yu ,F (Frank)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
2	Shen Yu ,F (Frank)	4	1541.7	1647.9	4	1531.4	1647.9	0	0	0	0	0	0
3	Thekiso ,K (Kabelo)	3	3	425	3	3	425	0	0	0	0	0	0
3	Thekiso ,K (Kabelo)	3	1368.8	1793.8	3	1385.5	1793.8	0	0	0	0	0	0
4	Elvin ,D (David)	3	3	425	2	2	425	1	1	425	0	0	0
4	Elvin ,D (David)	3	1522.7	1947.7	2	1573.7	1947.7	1	1255.9	1947.7	0	0	0
5	Magida ,A (Anga)	2	2	425	2	2	425	0	0	0	0	0	0
5	Magida ,A (Anga)	2	1412.4	1837.4	2	1365.7	1837.4	0	0	0	0	0	0
6	Mawowo ,S (Soyama)	2	2	425	2	2	425	0	0	0	0	0	0
6	Mawowo ,S (Soyama)	2	1356.9	1781.9	2	1357.6	1781.9	0	0	0	0	0	0
7	Mittermaier ,G (Gunther)	2	1	0	2	1	0	0	0	0	0	0	0
7	Mittermaier ,G (Gunther)	2	1472.8	1472.8	2	1503	1472.8	0	0	0	0	0	0
8	Ndlovu ,C (Cebolenkosi)	2	2	425	2	2	425	0	0	0	0	0	0
8	Ndlovu ,C (Cebolenkosi)	2	1414.6	1839.6	2	1325.9	1839.6	0	0	0	0	0	0
9	Hattingh ,T (Tiaan)	2	2	425	2	2	425	0	0	0	0	0	0
9	Hattingh ,T (Tiaan)	2	1388.2	1813.2	2	1388.6	1813.2	0	0	0	0	0	0
10	Dikane ,O (Oageng)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Dikane ,O (Oageng)	2	1787.6	2000.1	2	1785.1	2000.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Maroba, M (Mark)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms