Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, K (Keesha)

Chess SA id

2090117669

FIDE id

Date of birth

2009-09-22 (U18)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-09-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1058.9	1060	1106.4	1200
Raw rating	1058.9	1060	1106.4	1200
Weighted rating	1058.9	1060	1106.4	1200
Weighted performance	472.2	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	202.7	202.4	189.5	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1058.9	1060	1106.4	1200
Analysis
Rating	1058.9	1060	1106.4	1200
Raw rating	1058.9	1060	1106.4	1200
Weighted rating	1058.9	1060	1106.4
Weighted performance	472.2	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	202.7	202.4	189.5	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	1058.9	1060	1106.4	1200
New weighted rating	1058.9	1060	1106.4	1200
New weighted performance	471.8	0	0	0
Temp new rating	1058.9	1060	1106.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1058.9	1060	1106.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	10	10	0
	0	0	0
History	31	22	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-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	31	9.5	30.65	-164.5	1131.7	967.2
Standard	22	7.5	34.09	-135.2	1137.3	1002.1
Rapid	9	2	22.22	-236.1	1118.1	882
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1058.9	1060	1106.4	1200
2025-09-01	1058.9	1060	1106.4	1200
2025-08-01	1058.9	1060	1106.4	1200
2025-07-01	1058.9	1060	1106.4	1200
2025-06-01	1058.9	1060	1106.4	1200
2025-05-01	1058.9	1060	1106.4	1200
2025-04-01	1058.9	1060	1106.4	1200
2025-03-01	1058.9	1060	1106.4	1200
2025-02-01	1058.9	1060	1106.4	1200
2025-01-01	1058.9	1060	1106.4	1200
2024-12-01	1058.9	1060	1106.4	1200
2024-11-01	1058.9	1060	1106.4	1200
2024-10-01	1058.9	1060	1106.4	1200
2024-09-01	1058.9	1060	1106.4	1200
2024-08-01	1058.9	1060	1106.4	1200
2024-07-01	1058.9	1060	1106.4	1200
2024-06-01	1058.9	1060	1106.4	1200
2024-08-01	1058.9	1060	1106.4	1200
2024-04-01	1058.9	1060	1106.4	1200
2024-03-01	1058.9	1060	1106.4	1200
2024-02-01	1058.9	1060	1106.4	1200
2024-01-01	1058.9	1060	1106.4	1200
2023-12-01	1058.9	1060	1106.4	1200
2023-11-01	1058.9	1060	1106.4	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	Western Cape Woman`s Championship 2022 (Development)	2022-09-03	2022-09-03	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
2	Ceres Open 2022 (B)	2022-04-23	2022-04-23	Standard	Cape Winelands (WCW)	6	5	1	Yes	Analysis
3	Cape Winelands Schools Trials 1 2020 (U11 Girls)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis
4	Western Cape Top Schools 2019 (U11 Girls)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
5	Western Cape Womans Month Tournament 2019 (C)	2019-08-09	2019-08-11	Standard	West Coast (WCU)	7	7	3	Yes	Analysis
6	Cape Winelands Schools - Top Schools 2019 (U11+U13 Girls)	2019-07-27	2019-07-27	Rapid	Cape Winelands (WCW)	5	3	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament Western Cape Womans Month Tournament 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-11	rnd 7	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Willemse, A (Amor)				Opponent Willemse, S (Shudine)
2	1	Tournament Western Cape Woman`s Championship 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-09-03	rnd 4	type Standard	result 1	date 2022-09-03	rnd 4	type Standard	result 1
		Opponent Walters, N (Nicola)				Opponent Walters, N (Nicola)
3	1	Tournament Western Cape Woman`s Championship 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-09-03	rnd 2	type Standard	result 1	date 2022-09-03	rnd 2	type Standard	result 1
		Opponent Jacobs, J (Janine)				Opponent Jacobs, J (Janine)

#	Games	Start				End
1	3	Tournament Western Cape Womans Month Tournament 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-11	rnd 7	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Willemse, A (Amor)				Opponent Willemse, S (Shudine)
2	1	Tournament Western Cape Woman`s Championship 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-09-03	rnd 4	type Standard	result 1	date 2022-09-03	rnd 4	type Standard	result 1
		Opponent Walters, N (Nicola)				Opponent Walters, N (Nicola)
3	1	Tournament Western Cape Woman`s Championship 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-09-03	rnd 2	type Standard	result 1	date 2022-09-03	rnd 2	type Standard	result 1
		Opponent Jacobs, J (Janine)				Opponent Jacobs, J (Janine)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-08	rnd 4	type Rapid	result 1
		Opponent Dyers, K (Kay)				Opponent Dyers, K (Kay)
2	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 2	type Rapid	result 1	date 2020-02-08	rnd 2	type Rapid	result 1
		Opponent Erasmus, C (Chalerne)				Opponent Erasmus, C (Chalerne)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Western Cape Woman`s Championship 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-09-03	rnd 4	type Standard	result 1	date 2022-09-03	rnd 4	type Standard	result 1
		Opponent Walters, N (Nicola)				Opponent Walters, N (Nicola)
2	1	Tournament Western Cape Woman`s Championship 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-09-03	rnd 2	type Standard	result 1	date 2022-09-03	rnd 2	type Standard	result 1
		Opponent Jacobs, J (Janine)				Opponent Jacobs, J (Janine)
3	1	Tournament Ceres Open 2022				Tournament Ceres Open 2022
		date 2022-04-23	rnd 3	type Standard	result 1	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Nel, N (Nadine)				Opponent Nel, N (Nadine)

#	Games	Start				End
1	1	Tournament Western Cape Woman`s Championship 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-09-03	rnd 4	type Standard	result 1	date 2022-09-03	rnd 4	type Standard	result 1
		Opponent Walters, N (Nicola)				Opponent Walters, N (Nicola)
2	1	Tournament Western Cape Woman`s Championship 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-09-03	rnd 2	type Standard	result 1	date 2022-09-03	rnd 2	type Standard	result 1
		Opponent Jacobs, J (Janine)				Opponent Jacobs, J (Janine)
3	1	Tournament Ceres Open 2022				Tournament Ceres Open 2022
		date 2022-04-23	rnd 3	type Standard	result 1	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Nel, N (Nadine)				Opponent Nel, N (Nadine)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-08	rnd 4	type Rapid	result 1
		Opponent Dyers, K (Kay)				Opponent Dyers, K (Kay)
2	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 2	type Rapid	result 1	date 2020-02-08	rnd 2	type Rapid	result 1
		Opponent Erasmus, C (Chalerne)				Opponent Erasmus, C (Chalerne)

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	De Villiers ,L (Lienka)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	De Villiers ,L (Lienka)	1	1168.3	1168.3	1	1200	1168.3	0	0	0	0	0	0
2	Don ,M (Mikayla)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Don ,M (Mikayla)	1	1238	813	1	1222.8	813	0	0	0	0	0	0
3	Williams ,I (Ivan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Williams ,I (Ivan)	1	1164	739	1	1169.6	739	0	0	0	0	0	0
4	Visser ,J (Jacob)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Visser ,J (Jacob)	1	1169.6	744.6	1	1171.2	744.6	0	0	0	0	0	0
5	Warner ,A (Alicia)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Warner ,A (Alicia)	1	1240.6	815.6	1	1107.1	815.6	0	0	0	0	0	0
6	Jansen ,A (Anferneeq)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Jansen ,A (Anferneeq)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Ellman ,A (Andries)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ellman ,A (Andries)	1	1071.1	1496.1	1	1141.6	1496.1	0	0	0	0	0	0
8	Baai ,R (Rozaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Baai ,R (Rozaan)	1	1078.6	653.6	1	1054.8	653.6	0	0	0	0	0	0
9	Nel ,N (Nadine)	1	1	425	1	1	425	0	0	0	0	0	0
9	Nel ,N (Nadine)	1	1117	1542	1	1200	1542	0	0	0	0	0	0
10	Willemse ,A (Amor)	1	1	425	1	1	425	0	0	0	0	0	0
10	Willemse ,A (Amor)	1	1163.8	1588.8	1	1200	1588.8	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, K (Keesha)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms