Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pick, DD (Deon Derick)

Chess SA id

157030080

FIDE id

Date of birth

1957-09-10 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1663.4	1661.2	1799.9	1819.7
Raw rating	1663.4	1661.2	1799.9	1819.7
Weighted rating	1662.8	1660.5	1799.8	1819.7
Weighted performance	1179.1	1148.1	0	0
Floor	1355	1355	1355	1355
K-factor	24	24	24	24
Min/Max rating change allowed	85.7	86	70.5	68.6
Highest rating	1855 2018-01-01	1855 2018-01-01	1855 2018-01-01	1855 2018-03-01
Highest raw rating	1855 2018-01-01	1855 2018-01-01	1855 2018-01-01	1855 2019-12-01
Highest weighted rating	1855 2018-01-01	1855 2018-01-01	1855 2018-01-01	1855 2018-03-01
Highest weighted performance	1689.8 2019-10-01	1728.4 2018-02-01	1658.8 2019-06-01	1439.1 2022-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1663.4	1661.2	1799.9	1819.7
Analysis
Rating	1663.4	1661.2	1799.9	1819.7
Raw rating	1663.4	1661.2	1799.9	1819.7
Weighted rating	1662.8	1660.5	1799.8
Weighted performance	1179.1	1148.1	0
K-factor	24	24	24	24
Floor	1355	1355	1355	1355
Max/Min rating change allowed	85.7	86	70.5	68.6
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	1663.4	1661.2	1799.9	1819.7
New weighted rating	1662.4	1660.2	1799.9	1819.7
New weighted performance	1178.5	1147.5	0	0
Temp new rating	1663.4	1661.2	1799.9	1819.7
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1663.4	1661.2	1799.9	1819.7
New K-factor	24	24	24	24
New floor	1355	1355	1355	1355

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	4	4	0	0
	11	11	0	0
	12	12	0	0
	19	14	0	5
	0	0	0	0
History	357	311	41	5

Games since
	Main 19	Standard 19		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
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	4	2	50	0	1560.7	1560.7
Standard	4	2	50	0	1560.7	1560.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	154	84	54.55	38.6	1615.8	1654.5
Standard	123	64	52.03	17.3	1643.4	1660.7
Rapid	26	16.5	63.46	114.4	1527.4	1641.8
Blitz	5	3.5	70	170	1396.6	1566.6

Date	Main	Standard	Rapid	Blitz
2025-09-30	1663.4	1661.2	1799.9	1819.7
2025-09-01	1663.4	1661.2	1799.9	1819.7
2025-08-01	1663.4	1661.2	1799.9	1819.7
2025-07-01	1663.3	1660.9	1799.9	1819.7
2025-06-01	1666.2	1664.3	1799.9	1819.7
2025-05-01	1666.2	1664.3	1799.9	1819.7
2025-04-01	1666.2	1664.3	1799.9	1819.7
2025-03-01	1666.2	1664.3	1799.9	1819.7
2025-02-01	1664	1662.2	1799.9	1819.7
2025-01-01	1623	1621.5	1799.9	1819.7
2024-12-01	1623	1621.5	1799.9	1819.7
2024-11-01	1623	1621.5	1799.9	1819.7
2024-10-01	1623	1621.5	1799.9	1819.7
2024-09-01	1691.4	1688	1799.9	1819.7
2024-08-01	1691.4	1688	1799.9	1819.7
2024-07-01	1691.4	1688	1799.9	1819.7
2024-06-01	1691.4	1688	1799.9	1819.7
2024-08-01	1691.4	1688	1799.9	1819.7
2024-04-01	1691.4	1688	1799.9	1819.7
2024-03-01	1691.4	1688	1799.9	1819.7
2024-02-01	1691.4	1688	1799.9	1819.7
2024-01-01	1691.4	1688	1799.9	1819.7
2023-12-01	1674.7	1674.2	1795.5	1819.7
2023-11-01	1655.8	1656.9	1795.5	1819.7

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 WC Rural Cup (Open)	2025-06-14	2025-06-15	Standard	Eden (WEG)	6	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 WC Rural Cup (Open)	2025-06-14	2025-06-15	Standard	Eden (WEG)	6	4	2	Yes	Analysis
2	CT League 2024 (A)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	11	2	Yes	Analysis
3	2023 Western Cape Rural Cup (Open)	2023-12-09	2023-12-10	Standard	Cape Winelands (WCW)	5	4	4	Yes	Analysis
4	WP Club League 2023 (A)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	8	2.5	Yes	Analysis
5	2022 Western Province Club League (Premier)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	5	4	Yes	Analysis
6	WCCA Rural Cup 2022 (Open)	2022-08-13	2022-08-14	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
7	WCCA Rural Cup Blitz 2022	2022-07-12	2022-07-12	Blitz	Overberg (WOS)	5	5	3.5	Yes	Analysis
8	Cape Winelands Open 2022 (Championship)	2022-02-12	2022-02-13	Standard	Cape Winelands (WCW)	6	5	2	Yes	Analysis
9	2019 South African Closed Chess Championships (Senior)	2019-12-07	2019-12-17	Standard	Cape Town (WCT)	11	11	5	Yes	Analysis
10	Mossel Bay Chess Open 2019 (A)	2019-10-04	2019-10-05	Standard	Eden (WEG)	6	6	4	Yes	Analysis
11	2019 Western Cape Club Championship (A+B)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	6	3	2	Yes	Analysis
12	2019 National Club Chess Championships (A)	2019-09-27	2019-09-29	Standard	Cape Town (WCT)	6	3	1.5	Yes	Analysis
13	2019 Western Province League (Premier)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	11	7	Yes	Analysis
14	Condorgreen Mitchell`s Plain Chess Open Tournament 2019	2019-06-01	2019-06-02	Rapid	Cape Town (WCT)	9	9	6.5	Yes	Analysis
15	Steinitz Chess Festival 2019 (A)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
16	Cape Winelands Open 2019 (Elite)	2019-04-27	2019-04-27	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
17	Nelson Mandela Rapid 2019 (Open)	2019-03-02	2019-03-02	Rapid	Cape Town (WCT)	5	5	3.5	Yes	Analysis
18	Drakenstein Dragons Rapid 2019 (Open)	2019-01-19	2019-01-19	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
19	2018 Western Province League (Premier)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	10	5	Yes	Analysis
20	Mossel Bay Open 2018 (A)	2018-09-28	2018-09-29	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
21	World Team Championship 50+, 65+ 2018	2018-07-07	2018-07-15	Standard	Germany (GER)	9	7	3	Yes	Analysis
22	2018 Western Province Open (Prestige)	2018-03-02	2018-03-04	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
23	2018 Boardwalk Pearson Open (A)	2018-03-16	2018-03-18	Standard	Nelson Mandela Bay (ENM)	6	2	0	Yes	Analysis
24	Mandela Drakenstein Mgt Area Rapid Chess 2018 (Open)	2018-02-03	2018-02-03	Rapid	Cape Winelands (WCW)	7	6	3.5	Yes	Analysis
25	PHBS Rememberance Tournament 2018 (Open)	2018-02-23	2018-02-24	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis

#	Games	Start				End
1	16	Tournament 2019 Western Province League				Tournament Mossel Bay Chess Open 2019
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-10-05	rnd 5	type Standard	result 0.5
		Opponent Schnabel, JE (Emil)				Opponent Nevin, TW (Tyler)
2	7	Tournament Cape Winelands Open 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-04-27	rnd 3	type Standard	result 0.5	date 2019-06-01	rnd 4	type Rapid	result 1
		Opponent Cilliers, S (Salmo)				Opponent Willenberg, A (Athon)
3	7	Tournament Mandela Drakenstein Mgt Area Rapid Chess 2018				Tournament PHBS Rememberance Tournament 2018
		date 2018-02-03	rnd 5	type Rapid	result 1	date 2018-02-24	rnd 5	type Standard	result 0.5
		Opponent Witbooi, L (Lee-Roy)				Opponent Kleinsmidt, CC (Cherwin)

#	Games	Start				End
1	16	Tournament 2019 Western Province League				Tournament Mossel Bay Chess Open 2019
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-10-05	rnd 5	type Standard	result 0.5
		Opponent Schnabel, JE (Emil)				Opponent Nevin, TW (Tyler)
2	6	Tournament WCCA Rural Cup 2022				Tournament 2022 Western Province Club League
		date 2022-08-14	rnd 5	type Standard	result 1	date 2022-09-17	rnd 10	type Standard	result 0.5
		Opponent Windvogel, M (Monray)				Opponent Wright, A (Adrian)
3	6	Tournament Steinitz Chess Festival 2019				Tournament Cape Winelands Open 2019
		date 2019-04-06	rnd 2	type Standard	result 0.5	date 2019-04-27	rnd 1	type Standard	result 1
		Opponent Willenberg, RC (Roland)				Opponent Steyn, A (Aidan)

#	Games	Start				End
1	6	Tournament Nelson Mandela Rapid 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-03-02	rnd 4	type Rapid	result 1	date 2019-06-01	rnd 4	type Rapid	result 1
		Opponent Natus, AS (Arthur)				Opponent Willenberg, A (Athon)
2	4	Tournament Mandela Drakenstein Mgt Area Rapid Chess 2018				Tournament Drakenstein Dragons Rapid 2019
		date 2018-02-03	rnd 5	type Rapid	result 1	date 2019-01-19	rnd 2	type Rapid	result 1
		Opponent Witbooi, L (Lee-Roy)				Opponent Marais, W (Willie)
3	3	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-02	rnd 7	type Rapid	result 1	date 2019-06-02	rnd 9	type Rapid	result 1
		Opponent Naude, D (Damian)				Opponent Willenberg, GI (Glen)

#	Games	Start				End
1	2	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 4	type Blitz	result 0.5	date 2022-07-12	rnd 5	type Blitz	result 1
		Opponent Jonas, SG (Sue-Win)				Opponent Fradie, F (Faith)
2	2	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 1	type Blitz	result 1	date 2022-07-12	rnd 2	type Blitz	result 1
		Opponent Ntontelo, K (Khazimla)				Opponent Arries, HJ (Henry Jacobus)

#	Games	Start				End
1	4	Tournament 2023 Western Cape Rural Cup				Tournament 2023 Western Cape Rural Cup
		date 2023-12-09	rnd 1	type Standard	result 1	date 2023-12-10	rnd 5	type Standard	result 1
		Opponent Isaacs, WS (William)				Opponent Mostert, R (Remi)
2	4	Tournament WCCA Rural Cup 2022				Tournament 2022 Western Province Club League
		date 2022-08-14	rnd 5	type Standard	result 1	date 2022-09-10	rnd 7	type Standard	result 1
		Opponent Windvogel, M (Monray)				Opponent Flink, AA (Angelo)
3	4	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament 2019 Western Province League
		date 2019-06-02	rnd 7	type Rapid	result 1	date 2019-07-27	rnd 1	type Standard	result 1
		Opponent Naude, D (Damian)				Opponent Felix, D (Devon)

#	Games	Start				End
1	4	Tournament 2023 Western Cape Rural Cup				Tournament 2023 Western Cape Rural Cup
		date 2023-12-09	rnd 1	type Standard	result 1	date 2023-12-10	rnd 5	type Standard	result 1
		Opponent Isaacs, WS (William)				Opponent Mostert, R (Remi)
2	4	Tournament WCCA Rural Cup 2022				Tournament 2022 Western Province Club League
		date 2022-08-14	rnd 5	type Standard	result 1	date 2022-09-10	rnd 7	type Standard	result 1
		Opponent Windvogel, M (Monray)				Opponent Flink, AA (Angelo)
3	3	Tournament Mossel Bay Open 2018				Tournament Mossel Bay Open 2018
		date 2018-09-28	rnd 2	type Standard	result 1	date 2018-09-29	rnd 4	type Standard	result 1
		Opponent Pryse, JAY (Jayson)				Opponent Swart, G (George)

#	Games	Start				End
1	3	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-02	rnd 7	type Rapid	result 1	date 2019-06-02	rnd 9	type Rapid	result 1
		Opponent Naude, D (Damian)				Opponent Willenberg, GI (Glen)
2	2	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-01	rnd 1	type Rapid	result 1	date 2019-06-01	rnd 2	type Rapid	result 1
		Opponent Mqadi, O (Olethiwe)				Opponent Khumalo, N (Njabulo)
3	2	Tournament Nelson Mandela Rapid 2019				Tournament Nelson Mandela Rapid 2019
		date 2019-03-02	rnd 1	type Rapid	result 1	date 2019-03-02	rnd 2	type Rapid	result 1
		Opponent Petersen, AR (Anito)				Opponent Wolff, UH (Ulrich)

#	Games	Start				End
1	2	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 1	type Blitz	result 1	date 2022-07-12	rnd 2	type Blitz	result 1
		Opponent Ntontelo, K (Khazimla)				Opponent Arries, HJ (Henry Jacobus)
2	1	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 5	type Blitz	result 1	date 2022-07-12	rnd 5	type Blitz	result 1
		Opponent Fradie, F (Faith)				Opponent Fradie, F (Faith)

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	Selkirk ,RJ (Rebecca Joy)	4	1.5	-106.2	3	1.5	0	1	0	-425	0	0	0
1	Selkirk ,RJ (Rebecca Joy)	4	1751.2	1644.9	3	1770.9	1751.2	1	1723.6	1326.2	0	0	0
2	Southey ,AM (Andrew Mcnab)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
2	Southey ,AM (Andrew Mcnab)	3	1730.5	1730.5	3	1720.7	1730.5	0	0	0	0	0	0
3	Willenberg ,RC (Roland Chester)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Willenberg ,RC (Roland Chester)	3	1650	1791.7	3	1677.7	1791.7	0	0	0	0	0	0
4	Lewis ,MMM (Mark Martin)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
4	Lewis ,MMM (Mark Martin)	3	1893.1	1751.4	3	1931	1751.4	0	0	0	0	0	0
5	Jaars ,T (Thomas)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
5	Jaars ,T (Thomas)	3	1609.2	1750.8	3	1588.8	1750.8	0	0	0	0	0	0
6	James ,M (Michael)	3	0.5	-283.3	1	0	-425	2	0.5	-212.5	0	0	0
6	James ,M (Michael)	3	2051.5	1768.2	1	2026.4	1626.5	2	2086.8	1839	0	0	0
7	Blignaut ,R (Ryno)	2	1	0	2	1	0	0	0	0	0	0	0
7	Blignaut ,R (Ryno)	2	1464.3	1464.3	2	1470.2	1464.3	0	0	0	0	0	0
8	De Jager ,LJ (Luan Johannes)	2	1	0	2	1	0	0	0	0	0	0	0
8	De Jager ,LJ (Luan Johannes)	2	1842.1	1842.1	2	1853.6	1842.1	0	0	0	0	0	0
9	Schnabel ,JE (Emil)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Schnabel ,JE (Emil)	2	1691.7	1904.2	2	1694.1	1904.2	0	0	0	0	0	0
10	Talmarkes ,AG (Andrew Graham)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Talmarkes ,AG (Andrew Graham)	2	1654.7	1867.2	2	1656.4	1867.2	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

Pick, DD (Deon Derick)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms