Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, DE (Darryl)

Chess SA id

172090579

FIDE id

Date of birth

1972-06-10 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

CPA

Chess SA registered

Last active game

2024-11-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1473.3	1453.9	1111.8	518
Raw rating	1473.3	1453.9	1111.8	518
Weighted rating	1406.5	1390.5	1107.4	518
Weighted performance	1318.3	1301	0	0
Floor	973.3	953.9	611.8	500
K-factor	32	32	40	40
Min/Max rating change allowed	112.3	115.5	188	438.1
Highest rating	1473.3 2024-12-01	1453.9 2024-12-01	1200 2018-01-01	1200 2024-02-01
Highest raw rating	1473.3 2024-12-01	1453.9 2024-12-01	1111.8 2024-02-01	518 2024-02-01
Highest weighted rating	1382.7 2025-08-01	1368 2025-08-01	1111.8 2024-11-01	518 2024-11-01
Highest weighted performance	1449.2 2025-01-01	1449.2 2025-01-01	1200 2018-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1473.3	1453.9	1111.8	518
Analysis
Rating	1473.3	1453.9	1111.8	518
Raw rating	1473.3	1453.9	1111.8	518
Weighted rating	1406.5	1390.5	1107.4
Weighted performance	1318.3	1301	0
K-factor	32	32	40	40
Floor	973.3	953.9	611.8	500
Max/Min rating change allowed	112.3	115.5	188	438.1
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	1473.3	1453.9	1111.8	518
New weighted rating	1417	1400.5	1110.3	518
New weighted performance	1317.8	1300.5	0	0
Temp new rating	1473.3	1453.9	1111.8	518
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1473.3	1453.9	1111.8	518
New K-factor	32	32	40	40
New floor	973.3	953.9	611.8	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	31	31	0	0
	16	16	0	0
	5	5	0	0
	0	0	0	0
History	130	101	22	7

Games since
	Main 35	Standard 35		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
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	1528		416		210
Male	1281		334		171
Adult	408		93		65
Adult Male	380		82		58
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	110	51	46.36	-30.9	1290.2	1259.3
Standard	94	46.5	49.47	-4.5	1281.5	1277
Rapid	16	4.5	28.12	-185.9	1341.4	1155.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1473.3	1453.9	1111.8	518
2025-09-01	1473.3	1453.9	1111.8	518
2025-08-01	1473.3	1453.9	1111.8	518
2025-07-01	1473.3	1453.9	1111.8	518
2025-06-01	1473.3	1453.9	1111.8	518
2025-05-01	1473.3	1453.9	1111.8	518
2025-04-01	1473.3	1453.9	1111.8	518
2025-03-01	1473.3	1453.9	1111.8	518
2025-02-01	1473.3	1453.9	1111.8	518
2025-01-01	1473.3	1453.9	1111.8	518
2024-12-01	1473.3	1453.9	1111.8	518
2024-11-01	1373.5	1357.2	1111.8	518
2024-10-01	1383.9	1361.9	1111.8	518
2024-09-01	1220.2	1218.4	1111.8	518
2024-08-01	1220.2	1218.4	1111.8	518
2024-07-01	1198.6	1193.6	1111.8	518
2024-06-01	1198.6	1193.6	1111.8	518
2024-08-01	1198.6	1193.6	1111.8	518
2024-04-01	1198.6	1193.6	1111.8	518
2024-03-01	1198.6	1193.6	1111.8	518
2024-02-01	1198.6	1193.6	1111.8	518
2024-01-01	1198.6	1193.6	1111.8	518
2023-12-01	1198.6	1193.6	675.2	518
2023-11-01	1198.6	1193.6	675.2	518

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	PR Booyse Standard Tournament 2024 (Elite)	2024-11-02	2024-11-02	Standard	West Coast (WCU)	5	5	2.5	Yes	Analysis
2	Helderberg Chess Club Open 2024 (B)	2024-11-09	2024-11-10	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
3	Chess Elevation Series - October 2024 (Level 5)	2024-10-25	2024-10-26	Standard	Cape Town (WCT)	5	5	1	Yes	Analysis
4	Chess Elevation Series -September 2024 (Level 4)	2024-09-20	2024-09-21	Standard	Cape Town (WCT)	5	4	3.5	Yes	Analysis
5	CT League 2024 (D)	2024-08-03	2024-08-03	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
6	Chess Elevation Series - July 2024 (Open)	2024-07-05	2024-07-06	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
7	Chess Elevation Series 2023 (Level 2A)	2023-11-03	2023-11-04	Standard	Cape Town (WCT)	5	4	0	Yes	Analysis
8	WP Club League 2023 (D1)	2023-07-29	2023-08-19	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
9	Cape of Good Hope Open 2023 (Intermediate)	2023-01-28	2023-01-29	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
10	Steinitz Open 2022 (B)	2022-05-20	2022-05-22	Standard	Cape Town (WCT)	6	5	1	Yes	Analysis
11	2020 Western Province Open (Prestige)	2020-03-07	2020-03-08	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
12	2019 Western Province League (D)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	4	3	Yes	Analysis
13	South African Open Chess Championships 2019 (C)	2019-06-15	2019-06-17	Standard	Frances Baard (NCF)	6	4	3	Yes	Analysis
14	South African Open Chess Championships 2019 (Rapid)	2019-06-17	2019-06-17	Rapid	Frances Baard (NCF)	5	3	0	Yes	Analysis
15	Steinitz Chess Festival 2019 (B)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	5	1.5	Yes	Analysis
16	Crossroads Open Chess Championship 2019 (C)	2019-04-27	2019-04-28	Standard	Cape Town (WCT)	6	5	2.5	Yes	Analysis
17	Cape of Good Hope Open 2019 (C)	2019-01-25	2019-01-27	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
18	Drakenstein Dragons Rapid 2019 (Open)	2019-01-19	2019-01-19	Rapid	Cape Winelands (WCW)	6	6	1.5	Yes	Analysis
19	2018 Western Province League (E)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	7	6	3	Yes	Analysis
20	Eldo Smart Memorial Rapid Tournament 2018	2018-06-16	2018-06-16	Rapid	Cape Town (WCT)	7	7	3	Yes	Analysis
21	Crossroads Open Chess Championship 2018 (B)	2018-04-27	2018-04-29	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament CT League 2024				Tournament Chess Elevation Series -September 2024
		date 2024-08-03	rnd 6	type Standard	result 1	date 2024-09-21	rnd 4	type Standard	result 1
		Opponent Tomi, A (Amange)				Opponent Mackinna, C (Cashlin)
2	4	Tournament Helderberg Chess Club Open 2024				Tournament Helderberg Chess Club Open 2024
		date 2024-11-09	rnd 3	type Standard	result 1	date 2024-11-10	rnd 6	type Standard	result 1
		Opponent Potgieter, G (Gert Olivier)				Opponent Van Der Linde, L (Luandi)
3	4	Tournament PR Booyse Standard Tournament 2024				Tournament Helderberg Chess Club Open 2024
		date 2024-11-02	rnd 3	type Standard	result 0.5	date 2024-11-09	rnd 1	type Standard	result 1
		Opponent Booysen, J (Jenilo)				Opponent Sprowson, A (Andrew)

#	Games	Start				End
1	5	Tournament CT League 2024				Tournament Chess Elevation Series -September 2024
		date 2024-08-03	rnd 6	type Standard	result 1	date 2024-09-21	rnd 4	type Standard	result 1
		Opponent Tomi, A (Amange)				Opponent Mackinna, C (Cashlin)
2	4	Tournament Helderberg Chess Club Open 2024				Tournament Helderberg Chess Club Open 2024
		date 2024-11-09	rnd 3	type Standard	result 1	date 2024-11-10	rnd 6	type Standard	result 1
		Opponent Potgieter, G (Gert Olivier)				Opponent Van Der Linde, L (Luandi)
3	4	Tournament PR Booyse Standard Tournament 2024				Tournament Helderberg Chess Club Open 2024
		date 2024-11-02	rnd 3	type Standard	result 0.5	date 2024-11-09	rnd 1	type Standard	result 1
		Opponent Booysen, J (Jenilo)				Opponent Sprowson, A (Andrew)

#	Games	Start				End
1	2	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 5	type Rapid	result 1	date 2018-06-16	rnd 6	type Rapid	result 1
		Opponent Coleman, J (Jack)				Opponent Ntukulela, B (Bafana)
2	1	Tournament Drakenstein Dragons Rapid 2019				Tournament Drakenstein Dragons Rapid 2019
		date 2019-01-19	rnd 6	type Rapid	result 0.5	date 2019-01-19	rnd 6	type Rapid	result 0.5
		Opponent Sheldon, MB (Matthew)				Opponent Sheldon, MB (Matthew)
3	1	Tournament Drakenstein Dragons Rapid 2019				Tournament Drakenstein Dragons Rapid 2019
		date 2019-01-19	rnd 4	type Rapid	result 1	date 2019-01-19	rnd 4	type Rapid	result 1
		Opponent Strauss, R (Reinhardt)				Opponent Strauss, R (Reinhardt)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Helderberg Chess Club Open 2024				Tournament Helderberg Chess Club Open 2024
		date 2024-11-09	rnd 3	type Standard	result 1	date 2024-11-10	rnd 6	type Standard	result 1
		Opponent Potgieter, G (Gert Olivier)				Opponent Van Der Linde, L (Luandi)
2	3	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 3	type Standard	result 1	date 2019-08-24	rnd 9	type Standard	result 1
		Opponent Swart, S (Steffan)				Opponent Zimondi, T (Thafadzwa)
3	2	Tournament PR Booyse Standard Tournament 2024				Tournament Helderberg Chess Club Open 2024
		date 2024-11-02	rnd 5	type Standard	result 1	date 2024-11-09	rnd 1	type Standard	result 1
		Opponent Arendse, Q (Quinwinne)				Opponent Sprowson, A (Andrew)

#	Games	Start				End
1	4	Tournament Helderberg Chess Club Open 2024				Tournament Helderberg Chess Club Open 2024
		date 2024-11-09	rnd 3	type Standard	result 1	date 2024-11-10	rnd 6	type Standard	result 1
		Opponent Potgieter, G (Gert Olivier)				Opponent Van Der Linde, L (Luandi)
2	3	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 3	type Standard	result 1	date 2019-08-24	rnd 9	type Standard	result 1
		Opponent Swart, S (Steffan)				Opponent Zimondi, T (Thafadzwa)
3	3	Tournament South African Open Chess Championships 2019				Tournament South African Open Chess Championships 2019
		date 2019-06-16	rnd 4	type Standard	result 1	date 2019-06-17	rnd 6	type Standard	result 1
		Opponent Daniels, O (Owethu)				Opponent Manyate, S (Sibongile)

#	Games	Start				End
1	2	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 5	type Rapid	result 1	date 2018-06-16	rnd 6	type Rapid	result 1
		Opponent Coleman, J (Jack)				Opponent Ntukulela, B (Bafana)
2	1	Tournament Drakenstein Dragons Rapid 2019				Tournament Drakenstein Dragons Rapid 2019
		date 2019-01-19	rnd 4	type Rapid	result 1	date 2019-01-19	rnd 4	type Rapid	result 1
		Opponent Strauss, R (Reinhardt)				Opponent Strauss, R (Reinhardt)
3	1	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 3	type Rapid	result 1	date 2018-06-16	rnd 3	type Rapid	result 1
		Opponent Jacobs, C (Caitlin)				Opponent Jacobs, C (Caitlin)

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 Staaden ,D (Darren)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Van Staaden ,D (Darren)	3	1522.2	1380.5	3	1512.7	1380.5	0	0	0	0	0	0
2	Mabika ,B (Bheka)	2	1	0	2	1	0	0	0	0	0	0	0
2	Mabika ,B (Bheka)	2	1109.5	1109.5	2	1107.6	1109.5	0	0	0	0	0	0
3	Maneveld ,C (Conrad)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Maneveld ,C (Conrad)	2	1198.8	773.8	1	1200	773.8	1	1200	773.8	0	0	0
4	Abarder ,H (Hanaah)	1	1	425	1	1	425	0	0	0	0	0	0
4	Abarder ,H (Hanaah)	1	1235.3	1660.3	1	1191.3	1660.3	0	0	0	0	0	0
5	Cuphane ,B (Bandile)	1	1	425	1	1	425	0	0	0	0	0	0
5	Cuphane ,B (Bandile)	1	1211.7	1636.7	1	1186.8	1636.7	0	0	0	0	0	0
6	Sprowson ,A (Andrew)	1	1	425	1	1	425	0	0	0	0	0	0
6	Sprowson ,A (Andrew)	1	1153.3	1578.3	1	1156	1578.3	0	0	0	0	0	0
7	Booysen ,C (Conwill)	1	1	425	1	1	425	0	0	0	0	0	0
7	Booysen ,C (Conwill)	1	1061.7	1486.7	1	1059.2	1486.7	0	0	0	0	0	0
8	Potgieter ,G (Gert Olivier)	1	1	425	1	1	425	0	0	0	0	0	0
8	Potgieter ,G (Gert Olivier)	1	1199.4	1624.4	1	1180.9	1624.4	0	0	0	0	0	0
9	Tomi ,A (Amange)	1	1	425	1	1	425	0	0	0	0	0	0
9	Tomi ,A (Amange)	1	1243.2	1668.2	1	1186.4	1668.2	0	0	0	0	0	0
10	Louw ,T (Terwin)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Louw ,T (Terwin)	1	1442.3	1017.3	1	1455	1017.3	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, DE (Darryl)

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