Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, G (Gamiel)

Chess SA id

104068700

FIDE id

Date of birth

2004-10-23 (Adult)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1157.3	1096.4	920.8	700
Raw rating	1157.3	1096.4	920.8	700
Weighted rating	1157.3	1096.4	920.8	700
Weighted performance	731.5	592.8	0	0
Floor	657.3	596.4	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	176.2	192.2	246.8	338.1
Highest rating	1234.5 2018-03-01	1234.5 2018-03-01	1200.7 2019-02-01	1200 2024-02-01
Highest raw rating	1157.3 2024-02-01	1096.4 2024-02-01	920.8 2024-02-01	700 2024-02-01
Highest weighted rating	1157.3 2024-11-01	1096.4 2024-11-01	920.8 2024-11-01	700 2024-11-01
Highest weighted performance	1234.5 2018-03-01	1234.5 2018-03-01	1200.7 2019-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1157.3	1096.4	920.8	700
Analysis
Rating	1157.3	1096.4	920.8	700
Raw rating	1157.3	1096.4	920.8	700
Weighted rating	1157.3	1096.4	920.8
Weighted performance	731.5	592.8	0
K-factor	40	40	40	40
Floor	657.3	596.4	500	500
Max/Min rating change allowed	176.2	192.2	246.8	338.1
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	1157.3	1096.4	920.8	700
New weighted rating	1157.3	1096.4	920.8	700
New weighted performance	731.1	592.4	0	0
Temp new rating	1157.3	1096.4	920.8	700
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1157.3	1096.4	920.8	700
New K-factor	40	40	40	40
New floor	657.3	596.4	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	17	12	5
	0	0	0
	5	0	5
History	86	64	22

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	58	27.5	47.41	-22	1173.6	1151.6
Standard	41	19.5	47.56	-20.7	1173.5	1152.8
Rapid	17	8	47.06	-25	1173.8	1148.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1157.3	1096.4	920.8	700
2025-09-01	1157.3	1096.4	920.8	700
2025-08-01	1157.3	1096.4	920.8	700
2025-07-01	1157.3	1096.4	920.8	700
2025-06-01	1157.3	1096.4	920.8	700
2025-05-01	1157.3	1096.4	920.8	700
2025-04-01	1157.3	1096.4	920.8	700
2025-03-01	1157.3	1096.4	920.8	700
2025-02-01	1157.3	1096.4	920.8	700
2025-01-01	1157.3	1096.4	920.8	700
2024-12-01	1157.3	1096.4	920.8	700
2024-11-01	1157.3	1096.4	920.8	700
2024-10-01	1157.3	1096.4	920.8	700
2024-09-01	1157.3	1096.4	920.8	700
2024-08-01	1157.3	1096.4	920.8	700
2024-07-01	1157.3	1096.4	920.8	700
2024-06-01	1157.3	1096.4	920.8	700
2024-08-01	1157.3	1096.4	920.8	700
2024-04-01	1157.3	1096.4	920.8	700
2024-03-01	1157.3	1096.4	920.8	700
2024-02-01	1157.3	1096.4	920.8	700
2024-01-01	1157.3	1096.4	920.8	700
2023-12-01	1157.3	1096.4	920.8	700
2023-11-01	1157.3	1096.4	920.8	700

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	Western Cape HS Individuals 2023 (U19 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
2	West Coast High School Championships 2023 (U19 Boys)	2023-02-18	2023-02-18	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
3	Bo-Weskus Skole Prestige 2023 (Senior Seuns)	2023-02-11	2023-02-11	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
4	Bo-Weskus Skole Skaak Prestige 2021 (O18+O20 Seuns)	2021-05-08	2021-05-08	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
5	Bo-Weskus Skole Prestige 2020 (O18+O20 Seuns)	2020-02-15	2020-02-15	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
6	Western Cape Schools Individuals 2019 (U15 Boys)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	6	3	Yes	Analysis
7	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O15 Seuns)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
8	Bo-Weskus Skole Skaak Prestige 2019 (O15 Seuns)	2019-02-16	2019-02-16	Rapid	West Coast (WCU)	7	7	3.5	Yes	Analysis
9	Western Cape Schools Individuals 2018 (U15 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	5	0.5	Yes	Analysis
10	West Coast Schools Prestige Individual Championship 2018 (U15 Boys)	2018-03-10	2018-03-24	Standard	West Coast (WCU)	6	6	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament Bo-Weskus Skole Prestige 2023				Tournament West Coast High School Championships 2023
		date 2023-02-11	rnd 4	type Rapid	result 0.5	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Don, W (Wian)				Opponent Beukes, W (William)
2	4	Tournament Western Cape Schools Individuals 2018				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2018-05-20	rnd 6	type Standard	result 0.5	date 2019-02-16	rnd 3	type Rapid	result 0.5
		Opponent Van Zyl, J (Jeandre)				Opponent Don, W (Wian)
3	3	Tournament Western Cape HS Individuals 2023				Tournament Western Cape HS Individuals 2023
		date 2023-04-02	rnd 4	type Standard	result 1	date 2023-04-02	rnd 6	type Standard	result 1
		Opponent Swanepoel, W (Willem)				Opponent Adams, J (Juvelian)

#	Games	Start				End
1	3	Tournament Western Cape HS Individuals 2023				Tournament Western Cape HS Individuals 2023
		date 2023-04-02	rnd 4	type Standard	result 1	date 2023-04-02	rnd 6	type Standard	result 1
		Opponent Swanepoel, W (Willem)				Opponent Adams, J (Juvelian)
2	3	Tournament West Coast High School Championships 2023				Tournament West Coast High School Championships 2023
		date 2023-02-18	rnd 1	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Stander, L (Liam)				Opponent Beukes, W (William)
3	3	Tournament Western Cape Schools Individuals 2019				Tournament Bo-Weskus Skole Prestige 2020
		date 2019-05-05	rnd 6	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Sefoor, F (Fayden)				Opponent Dirks, H (Heinrique)

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2019-02-16	rnd 1	type Rapid	result 1	date 2019-02-16	rnd 3	type Rapid	result 0.5
		Opponent Olivier, L (Lionel)				Opponent Don, W (Wian)
2	2	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-02-11	rnd 4	type Rapid	result 0.5	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent Don, W (Wian)				Opponent Cloete, H (Howard)
3	1	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Willemse, G (Geheinruo)				Opponent Willemse, G (Geheinruo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Western Cape HS Individuals 2023				Tournament Western Cape HS Individuals 2023
		date 2023-04-02	rnd 4	type Standard	result 1	date 2023-04-02	rnd 6	type Standard	result 1
		Opponent Swanepoel, W (Willem)				Opponent Adams, J (Juvelian)
2	3	Tournament Western Cape Schools Individuals 2019				Tournament Bo-Weskus Skole Prestige 2020
		date 2019-05-05	rnd 6	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Sefoor, F (Fayden)				Opponent Dirks, H (Heinrique)
3	3	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-06	rnd 5	type Standard	result 1	date 2019-05-04	rnd 1	type Standard	result 1
		Opponent Van Rooyen, D (Deyelroy)				Opponent Braaf, J (Jiraan)

#	Games	Start				End
1	3	Tournament Western Cape HS Individuals 2023				Tournament Western Cape HS Individuals 2023
		date 2023-04-02	rnd 4	type Standard	result 1	date 2023-04-02	rnd 6	type Standard	result 1
		Opponent Swanepoel, W (Willem)				Opponent Adams, J (Juvelian)
2	3	Tournament Western Cape Schools Individuals 2019				Tournament Bo-Weskus Skole Prestige 2020
		date 2019-05-05	rnd 6	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Sefoor, F (Fayden)				Opponent Dirks, H (Heinrique)
3	3	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-06	rnd 5	type Standard	result 1	date 2019-05-04	rnd 1	type Standard	result 1
		Opponent Van Rooyen, D (Deyelroy)				Opponent Braaf, J (Jiraan)

#	Games	Start				End
1	2	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2019-02-16	rnd 1	type Rapid	result 1	date 2019-02-16	rnd 2	type Rapid	result 1
		Opponent Olivier, L (Lionel)				Opponent Degenaar, D (Dewald)
2	1	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent Cloete, H (Howard)				Opponent Cloete, H (Howard)
3	1	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Willemse, G (Geheinruo)				Opponent Willemse, G (Geheinruo)

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	Don ,W (Wian)	4	1.5	-106.2	1	0.5	0	3	1	-141.7	0	0	0
1	Don ,W (Wian)	4	1167.2	1060.9	1	1086.6	1167.2	3	1145.3	1025.5	0	0	0
2	Wildschut ,B (Bradley)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
2	Wildschut ,B (Bradley)	3	1171.6	1030	2	1156.8	1171.6	1	1200	746.6	0	0	0
3	Wilson ,L (Leston)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
3	Wilson ,L (Leston)	2	1234.1	1446.6	2	1235.2	1446.6	0	0	0	0	0	0
4	Van Nelson ,M (Melchizedek)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Van Nelson ,M (Melchizedek)	2	1045.8	620.8	2	1050.2	620.8	0	0	0	0	0	0
5	Beukes ,W (William)	2	1	0	1	1	425	1	0	-425	0	0	0
5	Beukes ,W (William)	2	1137.9	1137.9	1	1050.8	1562.9	1	737.6	712.9	0	0	0
6	Booysen ,J (Jenilo)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Booysen ,J (Jenilo)	2	1247.3	822.3	1	1202.2	822.3	1	1215.2	822.3	0	0	0
7	Skippers ,M (Mario)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	Skippers ,M (Mario)	2	1176	751	1	1181.2	751	1	1172.3	751	0	0	0
8	Van Staden ,C (Clayton)	2	0	-425	1	0	-425	1	0	-425	0	0	0
8	Van Staden ,C (Clayton)	2	858	433	1	705.2	433	1	814.4	433	0	0	0
9	Karools ,L (Leathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Karools ,L (Leathan)	1	1193.6	768.6	1	1145.2	768.6	0	0	0	0	0	0
10	Blaauw ,L (Lucin)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Blaauw ,L (Lucin)	1	1525.8	1100.8	1	1506.2	1100.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Jacobs, G (Gamiel)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms