Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, M (Marciano)

Chess SA id

1090139463

FIDE id

Date of birth

2009-10-23 (U18)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-03-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1217.9	1186.1	1268.6	1200
Raw rating	1217.9	1186.1	1268.6	1200
Weighted rating	1217.9	1186.1	1268.6	1200
Weighted performance	786.9	763.1	0	0
Floor	766.6	741.2	768.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.6	169.1	150.4	165.8
Highest rating	1275.9 2023-02-01	1244.1 2023-02-01	1356.6 2022-05-01	1200 2018-10-01
Highest raw rating	1266.6 2023-03-01	1241.2 2023-03-01	1268.6 2024-02-01	1200 2024-02-01
Highest weighted rating	1266.6 2023-11-01	1241.2 2023-03-01	1268.6 2025-02-01	1200 2018-10-01
Highest weighted performance	1275.9 2023-02-01	1244.1 2023-02-01	1356.6 2022-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1217.9	1186.1	1268.6	1200
Analysis
Rating	1217.9	1186.1	1268.6	1200
Raw rating	1217.9	1186.1	1268.6	1200
Weighted rating	1217.9	1186.1	1268.6
Weighted performance	786.9	763.1	0
K-factor	36	36	36	36
Floor	766.6	741.2	768.6	700
Max/Min rating change allowed	161.6	169.1	150.4	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	1217.9	1186.1	1268.6	1200
New weighted rating	1217.9	1186.1	1268.6	1200
New weighted performance	785.7	761.9	0	0
Temp new rating	1217.9	1186.1	1268.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1217.9	1186.1	1268.6	1200
New K-factor	36	36	36	36
New floor	766.6	741.2	768.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	15	10	5
	25	15	10
	0	0	0
History	40	25	15

Games since
	Main 0	Standard 0		Rapid 0		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	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	40	20.5	51.25	10.6	1225.1	1235.8
Standard	25	12	48	-17	1215.8	1198.8
Rapid	15	8.5	56.67	56.7	1240.7	1297.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1217.9	1186.1	1268.6	1200
2025-09-01	1217.9	1186.1	1268.6	1200
2025-08-01	1217.9	1186.1	1268.6	1200
2025-07-01	1217.9	1186.1	1268.6	1200
2025-06-01	1217.9	1186.1	1268.6	1200
2025-05-01	1217.9	1186.1	1268.6	1200
2025-04-01	1217.9	1186.1	1268.6	1200
2025-03-01	1217.9	1186.1	1268.6	1200
2025-02-01	1217.9	1186.1	1268.6	1200
2025-01-01	1217.9	1186.1	1268.6	1200
2024-12-01	1217.9	1186.1	1268.6	1200
2024-11-01	1217.9	1186.1	1268.6	1200
2024-10-01	1217.9	1186.1	1268.6	1200
2024-09-01	1217.9	1186.1	1268.6	1200
2024-08-01	1217.9	1186.1	1268.6	1200
2024-07-01	1217.9	1186.1	1268.6	1200
2024-06-01	1217.9	1186.1	1268.6	1200
2024-08-01	1217.9	1186.1	1268.6	1200
2024-04-01	1217.9	1186.1	1268.6	1200
2024-03-01	1217.9	1186.1	1268.6	1200
2024-02-01	1217.9	1186.1	1268.6	1200
2024-01-01	1217.9	1186.1	1268.6	1200
2023-12-01	1217.9	1186.1	1268.6	1200
2023-11-01	1217.9	1186.1	1268.6	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	Cape Winelands Schools Prestige 2023 (U15 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
2	Langeberg Schools Chess Trials 2023 (U15 Open)	2023-02-11	2023-02-11	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands Schools Chess - Trials 1 2023 (U15 Boys)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
4	CW Grass Roots Tournament 2022 (U13 Boys)	2022-11-19	2022-11-19	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Cape Winelands Schools Top Schools 2022 (U13 Mix)	2022-08-27	2022-08-27	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
6	Strategema Chess Festival 2022 (U13 Open)	2022-05-14	2022-05-14	Rapid	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
7	McGregor Chess Freedom Day Rapid 2022 (U13)	2022-04-27	2022-04-27	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
8	Cape Winelands Schools 2022 (U13 Boys)	2022-03-12	2022-03-12	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Hayes, C (Carlos)				Opponent Van Der Merwe, B (Benjamin)
2	3	Tournament Strategema Chess Festival 2022				Tournament Cape Winelands Schools Top Schools 2022
		date 2022-05-14	rnd 4	type Rapid	result 1	date 2022-08-27	rnd 1	type Standard	result 1
		Opponent Cornelius, J (Joheil)				Opponent Visagie, R (Rawdune)
3	3	Tournament McGregor Chess Freedom Day Rapid 2022				Tournament Strategema Chess Festival 2022
		date 2022-04-27	rnd 5	type Rapid	result 1	date 2022-05-14	rnd 2	type Rapid	result 0.5
		Opponent Frazenberg, J (Johell)				Opponent Visser, D (Denwil)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Hayes, C (Carlos)				Opponent Van Der Merwe, B (Benjamin)
2	2	Tournament Cape Winelands Schools Top Schools 2022				Tournament CW Grass Roots Tournament 2022
		date 2022-08-27	rnd 5	type Standard	result 1	date 2022-11-19	rnd 1	type Standard	result 1
		Opponent Jacobs, A (Ashlynn)				Opponent Sapto, C (Christiano)
3	2	Tournament Cape Winelands Schools 2022				Tournament Cape Winelands Schools Top Schools 2022
		date 2022-03-12	rnd 5	type Standard	result 1	date 2022-08-27	rnd 1	type Standard	result 1
		Opponent Riddles, S (Sage)				Opponent Visagie, R (Rawdune)

#	Games	Start				End
1	3	Tournament Strategema Chess Festival 2022				Tournament Langeberg Schools Chess Trials 2023
		date 2022-05-14	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Cornelius, J (Joheil)				Opponent George, K (Kelvin)
2	3	Tournament McGregor Chess Freedom Day Rapid 2022				Tournament Strategema Chess Festival 2022
		date 2022-04-27	rnd 5	type Rapid	result 1	date 2022-05-14	rnd 2	type Rapid	result 0.5
		Opponent Frazenberg, J (Johell)				Opponent Visser, D (Denwil)
3	2	Tournament Langeberg Schools Chess Trials 2023				Tournament Langeberg Schools Chess Trials 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Bukani, H (Howard-Lee)				Opponent Lawardien, D (Damian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Hayes, C (Carlos)				Opponent Van Der Merwe, B (Benjamin)
2	3	Tournament Strategema Chess Festival 2022				Tournament Cape Winelands Schools Top Schools 2022
		date 2022-05-14	rnd 4	type Rapid	result 1	date 2022-08-27	rnd 1	type Standard	result 1
		Opponent Cornelius, J (Joheil)				Opponent Visagie, R (Rawdune)
3	2	Tournament Langeberg Schools Chess Trials 2023				Tournament Langeberg Schools Chess Trials 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Bukani, H (Howard-Lee)				Opponent Lawardien, D (Damian)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Hayes, C (Carlos)				Opponent Van Der Merwe, B (Benjamin)
2	2	Tournament Cape Winelands Schools Top Schools 2022				Tournament CW Grass Roots Tournament 2022
		date 2022-08-27	rnd 5	type Standard	result 1	date 2022-11-19	rnd 1	type Standard	result 1
		Opponent Jacobs, A (Ashlynn)				Opponent Sapto, C (Christiano)
3	2	Tournament Cape Winelands Schools 2022				Tournament Cape Winelands Schools Top Schools 2022
		date 2022-03-12	rnd 5	type Standard	result 1	date 2022-08-27	rnd 1	type Standard	result 1
		Opponent Riddles, S (Sage)				Opponent Visagie, R (Rawdune)

#	Games	Start				End
1	3	Tournament Strategema Chess Festival 2022				Tournament Langeberg Schools Chess Trials 2023
		date 2022-05-14	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Cornelius, J (Joheil)				Opponent George, K (Kelvin)
2	2	Tournament Langeberg Schools Chess Trials 2023				Tournament Langeberg Schools Chess Trials 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Bukani, H (Howard-Lee)				Opponent Lawardien, D (Damian)
3	2	Tournament McGregor Chess Freedom Day Rapid 2022				Tournament Strategema Chess Festival 2022
		date 2022-04-27	rnd 5	type Rapid	result 1	date 2022-05-14	rnd 1	type Rapid	result 1
		Opponent Frazenberg, J (Johell)				Opponent Menderoi, L (Landau)

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	Visser ,D (Denwill)	3	1.5	0	1	1	425	2	0.5	-212.5	0	0	0
1	Visser ,D (Denwill)	3	1186	1186	1	1173.1	1611	2	1200	973.5	0	0	0
2	Segelaar ,R (Revean)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Segelaar ,R (Revean)	2	1377.7	952.7	0	0	0	2	1498.2	952.7	0	0	0
3	Blaauws ,I (Ilano)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Blaauws ,I (Ilano)	1	1163.9	738.9	1	1169.6	738.9	0	0	0	0	0	0
4	Jacobs ,A (Ashlynn)	1	1	425	1	1	425	0	0	0	0	0	0
4	Jacobs ,A (Ashlynn)	1	1161.2	1586.2	1	1154.4	1586.2	0	0	0	0	0	0
5	Jeppie ,R (Riaad)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Jeppie ,R (Riaad)	1	1234.2	809.2	1	1236	809.2	0	0	0	0	0	0
6	Gray ,Z (Zhakier)	1	1	425	1	1	425	0	0	0	0	0	0
6	Gray ,Z (Zhakier)	1	1212	1637	1	1205.6	1637	0	0	0	0	0	0
7	Winshaw ,B (Bates)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Winshaw ,B (Bates)	1	1322.3	897.3	1	1297.7	897.3	0	0	0	0	0	0
8	Sapto ,C (Christiano)	1	1	425	1	1	425	0	0	0	0	0	0
8	Sapto ,C (Christiano)	1	1126.9	1551.9	1	1120.8	1551.9	0	0	0	0	0	0
9	Mostert ,R (Ruan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mostert ,R (Ruan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Willis ,C (Cronan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Willis ,C (Cronan)	1	1417.4	992.4	1	1327.1	992.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Jacobs, M (Marciano)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms