Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, R (Robin)

Chess SA id

1070308084

FIDE id

Date of birth

2007-02-05 (U20)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1199.8	1207.5	1189.5	1200
Raw rating	1188.4	1190.4	1189.5	1200
Weighted rating	1199.8	1207.5	1188	1200
Weighted performance	0	0	0	0
Floor	711.8	724.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	168.6	168.1	168.3	165.8
Highest rating	1211.8 2024-12-01	1224.4 2024-12-01	1200 2024-07-01	1200 2024-10-01
Highest raw rating	1211.8 2024-12-01	1224.4 2024-12-01	1200 2024-07-01	1200 2024-10-01
Highest weighted rating	1211.8 2024-07-01	1214.6 2025-08-01	1200 2024-07-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-10-01	1200 2024-12-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.9	-1.3	0	0
New rating	1198.9	1206.1	1189.5	1200
Analysis
Rating	1199.8	1207.5	1189.5	1200
Raw rating	1188.4	1190.4	1189.5	1200
Weighted rating	1199.8	1207.5	1188
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	711.8	724.4	700	700
Max/Min rating change allowed	168.6	168.1	168.3	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	1188.4	1190.4	1189.5	1200
New weighted rating	1198.9	1206.1	1188	1200
New weighted performance	0	0	0	0
Temp new rating	1198.9	1206.1	1189.5	1200
Temp new rating +/-	-0.9	-1.3	0	0
Final new rating +/-	-0.9	-1.3	0	0
New rating	1198.9	1206.1	1189.5	1200
New K-factor	36	36	36	36
New floor	711.8	724.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	4	4	0
	10	6	4
	0	0	0
	0	0	0
	0	0	0
History	14	10	4

Games since
	Main 14	Standard 10		Rapid 4		Blitz 0
Gender	Male
Age group	U20
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	4	1.5	37.5	-106.2	1186.8	1080.6
Standard	4	1.5	37.5	-106.2	1186.8	1080.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	6	42.86	-60.7	1236.4	1175.6
Standard	10	5	50	0	1203.8	1203.8
Rapid	4	1	25	-212.5	1317.8	1105.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1188.4	1190.4	1189.5	1200
2025-11-30	1188.4	1190.4	1189.5	1200
2025-11-01	1188.4	1190.4	1189.5	1200
2025-09-30	1188.4	1190.4	1189.5	1200
2025-09-01	1188.4	1190.4	1189.5	1200
2025-08-01	1211.8	1224.4	1189.5	1200
2025-07-01	1211.8	1224.4	1189.5	1200
2025-06-01	1211.8	1224.4	1189.5	1200
2025-05-01	1211.8	1224.4	1189.5	1200
2025-04-01	1211.8	1224.4	1189.5	1200
2025-03-01	1211.8	1224.4	1189.5	1200
2025-02-01	1211.8	1224.4	1189	1200
2025-01-01	1211.8	1224.4	1177.6	1200
2024-12-01	1211.8	1224.4	1177.6	1200
2024-11-01	1189.2	1200	1177.6	1200
2024-10-01	1189.2	1200	1177.6	1200
2024-09-01	1189.2	1200	1177.6	1200
2024-11-01	1189.2	1200	1177.6	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	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 Town Metro North Top Schools 2025 (U19)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	4	1.5	Yes	Analysis
2	Paarl Boys' High Chess Festival 2024 (C)	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
3	CT District North Top Schools 2024 (U18 Mixed)	2024-07-27	2024-07-27	Rapid	Cape Town (WCT)	5	4	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament Paarl Boys' High Chess Festival 2024				Tournament Cape Town Metro North Top Schools 2025
		date 2024-10-05	rnd 4	type Standard	result 0.5	date 2025-08-01	rnd 1	type Standard	result 0.5
		Opponent Titus, M (Mcwillen)				Opponent Vermeulen, I (Inge)
2	3	Tournament CT District North Top Schools 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-07-27	rnd 5	type Rapid	result 1	date 2024-10-04	rnd 2	type Standard	result 0.5
		Opponent Phaca, S (Sonezo)				Opponent Magwentshu, B (Bala)
3	2	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 0.5	date 2025-08-02	rnd 4	type Standard	result 0.5
		Opponent Ma, C (Chengyan)				Opponent Meyer, A (Adam)

#	Games	Start				End
1	4	Tournament Paarl Boys' High Chess Festival 2024				Tournament Cape Town Metro North Top Schools 2025
		date 2024-10-05	rnd 4	type Standard	result 0.5	date 2025-08-01	rnd 1	type Standard	result 0.5
		Opponent Titus, M (Mcwillen)				Opponent Vermeulen, I (Inge)
2	2	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 0.5	date 2025-08-02	rnd 4	type Standard	result 0.5
		Opponent Ma, C (Chengyan)				Opponent Meyer, A (Adam)
3	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-04	rnd 2	type Standard	result 0.5
		Opponent Zanato, D (Diego)				Opponent Magwentshu, B (Bala)

#	Games	Start				End
1	1	Tournament CT District North Top Schools 2024				Tournament CT District North Top Schools 2024
		date 2024-07-27	rnd 5	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Phaca, S (Sonezo)				Opponent Phaca, S (Sonezo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament CT District North Top Schools 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-07-27	rnd 5	type Rapid	result 1	date 2024-10-04	rnd 1	type Standard	result 1
		Opponent Phaca, S (Sonezo)				Opponent Zanato, D (Diego)
2	1	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-05	rnd 5	type Standard	result 1	date 2024-10-05	rnd 5	type Standard	result 1
		Opponent Van Uytsel, H (Hanco)				Opponent Van Uytsel, H (Hanco)

#	Games	Start				End
1	1	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-05	rnd 5	type Standard	result 1	date 2024-10-05	rnd 5	type Standard	result 1
		Opponent Van Uytsel, H (Hanco)				Opponent Van Uytsel, H (Hanco)
2	1	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-04	rnd 1	type Standard	result 1
		Opponent Zanato, D (Diego)				Opponent Zanato, D (Diego)

#	Games	Start				End
1	1	Tournament CT District North Top Schools 2024				Tournament CT District North Top Schools 2024
		date 2024-07-27	rnd 5	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Phaca, S (Sonezo)				Opponent Phaca, S (Sonezo)

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	Saaiman ,HF (Henri Frederik)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Saaiman ,HF (Henri Frederik)	1	1265.8	1265.8	1	1258.6	1265.8	0	0	0	0	0	0
2	Ma ,C (Chengyan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Ma ,C (Chengyan)	1	1031.3	1031.3	1	944.9	1031.3	0	0	0	0	0	0
3	Titus ,M (Mcwillen)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Titus ,M (Mcwillen)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
4	Vermeulen ,I (Inge)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Vermeulen ,I (Inge)	1	1306.3	1306.3	1	1315.7	1306.3	0	0	0	0	0	0
5	Zanato ,D (Diego)	1	1	425	1	1	425	0	0	0	0	0	0
5	Zanato ,D (Diego)	1	1204.3	1629.3	1	1204.4	1629.3	0	0	0	0	0	0
6	Meyer ,A (Adam)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Meyer ,A (Adam)	1	1207.2	1207.2	1	1200	1207.2	0	0	0	0	0	0
7	Magwentshu ,B (Bala)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Magwentshu ,B (Bala)	1	1210.3	1210.3	1	1212.8	1210.3	0	0	0	0	0	0
8	De Bruyn ,J (Jean-Paul)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	De Bruyn ,J (Jean-Paul)	1	1202.5	777.5	1	1199.4	777.5	0	0	0	0	0	0
9	Van Uytsel ,H (Hanco)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Uytsel ,H (Hanco)	1	1169.7	1594.7	1	1200	1594.7	0	0	0	0	0	0
10	Ebersohn ,D (Dewald)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ebersohn ,D (Dewald)	1	1240.5	815.5	1	1218.4	815.5	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

Jacobs, R (Robin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms