Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, G (Gerhardt)

Chess SA id

1110130131

FIDE id

Date of birth

2011-07-13 (U16)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1104.8	1091.6	1200	1200
Raw rating	1104.8	1091.6	1200	1200
Weighted rating	1104.8	1091.6	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	189.9	193.5	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1104.8	1091.6	1200	1200
Analysis
Rating	1104.8	1091.6	1200	1200
Raw rating	1104.8	1091.6	1200	1200
Weighted rating	1104.8	1091.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	189.9	193.5	165.8	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	1104.8	1091.6	1200	1200
New weighted rating	1104.8	1091.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1104.8	1091.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1104.8	1091.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	10	2.5	25	-212.5	1167.5	955
Standard	10	2.5	25	-212.5	1167.5	955
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1104.8	1091.6	1200	1200
2025-09-30	1104.8	1091.6	1200	1200
2025-09-01	1104.8	1091.6	1200	1200
2025-08-01	1104.8	1091.6	1200	1200
2025-07-01	1104.8	1091.6	1200	1200
2025-06-01	1104.8	1091.6	1200	1200
2025-05-01	1104.8	1091.6	1200	1200
2025-04-01	1104.8	1091.6	1200	1200
2025-03-01	1104.8	1091.6	1200	1200
2025-02-01	1104.8	1091.6	1200	1200
2025-01-01	1104.8	1091.6	1200	1200
2024-12-01	1104.8	1091.6	1200	1200
2024-11-01	1104.8	1091.6	1200	1200
2024-10-01	1104.8	1091.6	1200	1200
2024-09-01	1104.8	1091.6	1200	1200
2024-08-01	1104.8	1091.6	1200	1200
2024-07-01	1104.8	1091.6	1200	1200
2024-09-01	1104.8	1091.6	1200	1200
2024-05-01	1104.8	1091.6	1200	1200
2024-04-01	1104.8	1091.6	1200	1200
2024-03-01	1104.8	1091.6	1200	1200
2024-02-01	1104.8	1091.6	1200	1200
2024-01-01	1104.8	1091.6	1200	1200
2023-12-01	1104.8	1091.6	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	George Trial 3 2020 (U10)	2020-02-22	2020-02-22	Standard	Eden (WEG)	5	5	1	Yes	Analysis
2	George Trial 2 2020 (U10)	2020-02-08	2020-02-08	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
3	George Trial 1 2020 (U10)	2020-01-25	2020-01-25	Standard	Eden (WEG)	5	0	0	No	Analysis

#	Games	Start				End
1	1	Tournament George Trial 3 2020				Tournament George Trial 3 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Van Niekerk, L (Liam)				Opponent Van Niekerk, L (Liam)
2	1	Tournament George Trial 2 2020				Tournament George Trial 2 2020
		date 2020-02-08	rnd 4	type Standard	result 1	date 2020-02-08	rnd 4	type Standard	result 1
		Opponent Le Roux, M (Melandi)				Opponent Le Roux, M (Melandi)
3	1	Tournament George Trial 2 2020				Tournament George Trial 2 2020
		date 2020-02-08	rnd 2	type Standard	result 0.5	date 2020-02-08	rnd 2	type Standard	result 0.5
		Opponent Baartman, A (Agcobile)				Opponent Baartman, A (Agcobile)

#	Games	Start				End
1	1	Tournament George Trial 3 2020				Tournament George Trial 3 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Van Niekerk, L (Liam)				Opponent Van Niekerk, L (Liam)
2	1	Tournament George Trial 2 2020				Tournament George Trial 2 2020
		date 2020-02-08	rnd 4	type Standard	result 1	date 2020-02-08	rnd 4	type Standard	result 1
		Opponent Le Roux, M (Melandi)				Opponent Le Roux, M (Melandi)
3	1	Tournament George Trial 2 2020				Tournament George Trial 2 2020
		date 2020-02-08	rnd 2	type Standard	result 0.5	date 2020-02-08	rnd 2	type Standard	result 0.5
		Opponent Baartman, A (Agcobile)				Opponent Baartman, A (Agcobile)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament George Trial 3 2020				Tournament George Trial 3 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Van Niekerk, L (Liam)				Opponent Van Niekerk, L (Liam)
2	1	Tournament George Trial 2 2020				Tournament George Trial 2 2020
		date 2020-02-08	rnd 4	type Standard	result 1	date 2020-02-08	rnd 4	type Standard	result 1
		Opponent Le Roux, M (Melandi)				Opponent Le Roux, M (Melandi)

#	Games	Start				End
1	1	Tournament George Trial 3 2020				Tournament George Trial 3 2020
		date 2020-02-22	rnd 3	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Van Niekerk, L (Liam)				Opponent Van Niekerk, L (Liam)
2	1	Tournament George Trial 2 2020				Tournament George Trial 2 2020
		date 2020-02-08	rnd 4	type Standard	result 1	date 2020-02-08	rnd 4	type Standard	result 1
		Opponent Le Roux, M (Melandi)				Opponent Le Roux, M (Melandi)

No games found.

#	Games	Start				End

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	Van Niekerk ,L (Liam)	1	1	425	1	1	425	0	0	0	0	0	0
1	Van Niekerk ,L (Liam)	1	1107.6	1532.6	1	1120	1532.6	0	0	0	0	0	0
2	Sharp ,R (Retief)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Sharp ,R (Retief)	1	1201.7	776.7	1	1202.8	776.7	0	0	0	0	0	0
3	Olivier ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Olivier ,L (Liam)	1	1176.5	751.5	1	1176	751.5	0	0	0	0	0	0
4	Fourie ,L (Loftie)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Fourie ,L (Loftie)	1	1270.1	845.1	1	1248	845.1	0	0	0	0	0	0
5	Badenhorst ,A (Anina)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Badenhorst ,A (Anina)	1	1128	703	1	1138	703	0	0	0	0	0	0
6	Roelfse ,M (Madwin)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Roelfse ,M (Madwin)	1	1152.1	727.1	1	1182.8	727.1	0	0	0	0	0	0
7	Le Roux ,M (Melandi)	1	1	425	1	1	425	0	0	0	0	0	0
7	Le Roux ,M (Melandi)	1	1175.2	1600.2	1	1173.2	1600.2	0	0	0	0	0	0
8	Baartman ,A (Agcobile)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Baartman ,A (Agcobile)	1	1114.4	1114.4	1	1120	1114.4	0	0	0	0	0	0
9	Lombard ,L (Leo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Lombard ,L (Leo)	1	1173.2	748.2	1	1196	748.2	0	0	0	0	0	0
10	Prins ,E (Eddie)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Prins ,E (Eddie)	1	1176.2	751.2	1	1176.4	751.2	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, G (Gerhardt)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms