Chess South Africa Ratings Database

PLAYER PAGE

Personal

Olkers, D (Declan)

Chess SA id

109055124

FIDE id

Date of birth

2009-01-02 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-05-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1500.7	1465.9	1282.6	1097
Raw rating	1500.7	1465.9	1282.6	1097
Weighted rating	1500.7	1465.9	1282.6	1097
Weighted performance	822.5	699.8	556.2	0
Floor	1055.4	1033.7	782.6	597
K-factor	32	32	36	40
Min/Max rating change allowed	108	113.5	147.4	192
Highest rating	1594.1 2020-03-01	1571.5 2020-03-01	1282.6 2024-02-01	1200 2024-02-01
Highest raw rating	1555.4 2020-04-01	1533.7 2020-04-01	1282.6 2024-02-01	1097 2024-02-01
Highest weighted rating	1555.4 2022-01-01	1533.7 2022-01-01	1282.6 2025-02-01	1097 2024-11-01
Highest weighted performance	1594.1 2020-03-01	1571.5 2020-03-01	1206.2 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1500.7	1465.9	1282.6	1097
Analysis
Rating	1500.7	1465.9	1282.6	1097
Raw rating	1500.7	1465.9	1282.6	1097
Weighted rating	1500.7	1465.9	1282.6
Weighted performance	822.5	699.8	556.2
K-factor	32	32	36	40
Floor	1055.4	1033.7	782.6	597
Max/Min rating change allowed	108	113.5	147.4	192
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	1500.7	1465.9	1282.6	1097
New weighted rating	1500.7	1465.9	1282.6	1097
New weighted performance	822	699.3	555.7	0
Temp new rating	1500.7	1465.9	1282.6	1097
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1500.7	1465.9	1282.6	1097
New K-factor	32	32	36	40
New floor	1055.4	1033.7	782.6	597

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	27	16	11	0
	0	0	0	0
History	363	261	81	21

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	179	118	65.92	135.3	1206.1	1341.5
Standard	151	99	65.56	132.3	1209.3	1341.6
Rapid	28	19	67.86	151.8	1189.2	1341
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1500.7	1465.9	1282.6	1097
2025-09-01	1500.7	1465.9	1282.6	1097
2025-08-01	1500.7	1465.9	1282.6	1097
2025-07-01	1500.7	1465.9	1282.6	1097
2025-06-01	1500.7	1465.9	1282.6	1097
2025-05-01	1500.7	1465.9	1282.6	1097
2025-04-01	1500.7	1465.9	1282.6	1097
2025-03-01	1500.7	1465.9	1282.6	1097
2025-02-01	1500.7	1465.9	1282.6	1097
2025-01-01	1500.7	1465.9	1282.6	1097
2024-12-01	1500.7	1465.9	1282.6	1097
2024-11-01	1500.7	1465.9	1282.6	1097
2024-10-01	1500.7	1465.9	1282.6	1097
2024-09-01	1500.7	1465.9	1282.6	1097
2024-08-01	1500.7	1465.9	1282.6	1097
2024-07-01	1500.7	1465.9	1282.6	1097
2024-06-01	1500.7	1465.9	1282.6	1097
2024-08-01	1500.7	1465.9	1282.6	1097
2024-04-01	1500.7	1465.9	1282.6	1097
2024-03-01	1500.7	1465.9	1282.6	1097
2024-02-01	1500.7	1465.9	1282.6	1097
2024-01-01	1500.7	1465.9	1282.6	1097
2023-12-01	1500.7	1465.9	1282.6	1096.8
2023-11-01	1500.7	1465.9	1282.6	1096.8

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 Schools 2022 (U13 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
2	Metro WP Schools Chess Trials 2022 (U13 Boys)	2022-04-22	2022-04-23	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
3	District North 2022 (U13)	2022-03-05	2022-03-05	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
4	Curro Durbanville Chess Trials 2022 (U13)	2022-01-21	2022-01-22	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis
5	2022 Cape Of Good Hope Open (Advanced)	2022-01-28	2022-01-30	Standard	Cape Town (WCT)	6	4	0.5	Yes	Analysis
6	2020 Metro Trials (U11 Boys)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
7	Metro North Individual Trials 2020 (U11)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	6	6	Yes	Analysis
8	2019 South African Junior Team Championships (U12A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	7	Yes	Analysis
9	Western Cape Top Schools 2019 (U13 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
10	Curro Durbanville Chess Tournament 2019 (Elite)	2019-08-23	2019-08-24	Standard	Cape Town (WCT)	6	5	2.5	Yes	Analysis
11	2019 Western Province League (C)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	3	2	Yes	Analysis
12	2019 Elsies River Open (Open)	2019-06-22	2019-06-23	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
13	Stellenberg Youth Chess Championship 2019 (A)	2019-04-30	2019-05-01	Standard	Cape Town (WCT)	6	4	1	Yes	Analysis
14	Crossroads Open Chess Championship 2019 (C)	2019-04-27	2019-04-28	Standard	Cape Town (WCT)	6	4	3	Yes	Analysis
15	Metro School Chess Closed Individual Trials 2019 (U11 Boys)	2019-03-01	2019-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
16	2019 South African Junior Closed Chess Championship (U10 Open)	2019-03-17	2019-03-22	Standard	Chess South Africa (CSA)	9	9	5	Yes	Analysis
17	Welgemoed Chess Challenge 2019 (U12)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis
18	District North Schools Chess Trials 2019 (U11)	2019-01-25	2019-01-26	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
19	ACL Open 2018 (A)	2018-12-07	2018-12-09	Standard	Cape Town (WCT)	5	5	1.5	Yes	Analysis
20	South African Junior Team Championships 2018 (U10A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
21	Jakes Gerwel Aurecon 2018 (B)	2018-10-13	2018-10-13	Rapid	Cape Town (WCT)	7	7	2	Yes	Analysis
22	2018 Western Province League (B)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	2	1.5	Yes	Analysis
23	Paul Roos Open Championship 2018 (B)	2018-09-22	2018-09-23	Standard	Cape Winelands (WCW)	6	5	1	Yes	Analysis
24	Western Cape Top Schools 2018 (U13 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
25	Stellenberg Youth Chess Champs 2018 (B)	2018-06-22	2018-06-23	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
26	Western Cape Schools Individuals 2018 (U9 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	6	Yes	Analysis
27	2018 WP Schools Closed Trials (U9 Boys)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
28	2018 Western Province Open (B)	2018-03-02	2018-03-04	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
29	2018 Steinitz Chess Festival (B)	2018-03-21	2018-03-25	Standard	Cape Town (WCT)	7	5	3	Yes	Analysis
30	District North Schools Chess Open Trials 2018 (U9)	2018-02-09	2018-02-10	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
31	Welgemoed Chess Challenge 2018 (U10)	2018-02-24	2018-02-24	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis
32	2018 Cape of Good Hope Open Chess Championships (C)	2018-01-26	2018-01-28	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
33	South African Junior Team Championships 2017 (U10A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5.5	Yes	Analysis

#	Games	Start				End
1	18	Tournament Western Cape Top Schools 2019				Tournament 2020 Metro Trials
		date 2019-09-01	rnd 5	type Standard	result 0.5	date 2020-03-14	rnd 4	type Standard	result 1
		Opponent Isaacs, C (Chad-Lee)				Opponent Potgieter, W (Werne)
2	11	Tournament 2018 Steinitz Chess Festival				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-03-25	rnd 7	type Standard	result 1	date 2018-06-23	rnd 4	type Standard	result 1
		Opponent Afonso, IS (Isabella)				Opponent Spiller, BC (Bryndon)
3	9	Tournament District North Schools Chess Open Trials 2018				Tournament Welgemoed Chess Challenge 2018
		date 2018-02-09	rnd 1	type Standard	result 1	date 2018-02-24	rnd 4	type Rapid	result 1
		Opponent Van Heerden, H (Hannah Rose)				Opponent Jones, A (Annchen)

#	Games	Start				End
1	18	Tournament Western Cape Top Schools 2019				Tournament 2020 Metro Trials
		date 2019-09-01	rnd 5	type Standard	result 0.5	date 2020-03-14	rnd 4	type Standard	result 1
		Opponent Isaacs, C (Chad-Lee)				Opponent Potgieter, W (Werne)
2	11	Tournament 2018 Steinitz Chess Festival				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-03-25	rnd 7	type Standard	result 1	date 2018-06-23	rnd 4	type Standard	result 1
		Opponent Afonso, IS (Isabella)				Opponent Spiller, BC (Bryndon)
3	7	Tournament 2019 South African Junior Closed Chess Championship				Tournament 2019 South African Junior Closed Chess Championship
		date 2019-03-17	rnd 2	type Standard	result 1	date 2019-03-21	rnd 8	type Standard	result 0.5
		Opponent Mackenzie, T (Tayden)				Opponent Kushar, T (Tristan)

#	Games	Start				End
1	8	Tournament Curro Durbanville Chess Trials 2022				Tournament District North 2022
		date 2022-01-21	rnd 2	type Rapid	result 1	date 2022-03-05	rnd 4	type Rapid	result 1
		Opponent Gwanzura, K (Kevin)				Opponent Van Rhyn, A (Aden)
2	5	Tournament Jakes Gerwel Aurecon 2018				Tournament Welgemoed Chess Challenge 2019
		date 2018-10-13	rnd 7	type Rapid	result 1	date 2019-02-23	rnd 4	type Rapid	result 1
		Opponent Capes, K (Kyle)				Opponent Goliath, Q (Quinn)
3	4	Tournament Welgemoed Chess Challenge 2018				Tournament Welgemoed Chess Challenge 2018
		date 2018-02-24	rnd 1	type Rapid	result 1	date 2018-02-24	rnd 4	type Rapid	result 1
		Opponent Beech, K (Kael)				Opponent Jones, A (Annchen)

No games found.

#	Games	Start				End

#	Games	Start				End
1	17	Tournament 2019 South African Junior Team Championships				Tournament 2020 Metro Trials
		date 2020-01-04	rnd 1	type Standard	result 1	date 2020-03-14	rnd 4	type Standard	result 1
		Opponent Hugo, H (Howard)				Opponent Potgieter, W (Werne)
2	9	Tournament District North Schools Chess Open Trials 2018				Tournament Welgemoed Chess Challenge 2018
		date 2018-02-09	rnd 1	type Standard	result 1	date 2018-02-24	rnd 4	type Rapid	result 1
		Opponent Van Heerden, H (Hannah Rose)				Opponent Jones, A (Annchen)
3	7	Tournament 2018 Steinitz Chess Festival				Tournament Western Cape Schools Individuals 2018
		date 2018-03-25	rnd 7	type Standard	result 1	date 2018-05-20	rnd 6	type Standard	result 1
		Opponent Afonso, IS (Isabella)				Opponent Spiller, C (Caden)

#	Games	Start				End
1	17	Tournament 2019 South African Junior Team Championships				Tournament 2020 Metro Trials
		date 2020-01-04	rnd 1	type Standard	result 1	date 2020-03-14	rnd 4	type Standard	result 1
		Opponent Hugo, H (Howard)				Opponent Potgieter, W (Werne)
2	7	Tournament 2018 Steinitz Chess Festival				Tournament Western Cape Schools Individuals 2018
		date 2018-03-25	rnd 7	type Standard	result 1	date 2018-05-20	rnd 6	type Standard	result 1
		Opponent Afonso, IS (Isabella)				Opponent Spiller, C (Caden)
3	6	Tournament District North Schools Chess Open Trials 2018				Tournament 2018 Western Province Open
		date 2018-02-09	rnd 1	type Standard	result 1	date 2018-03-02	rnd 1	type Standard	result 1
		Opponent Van Heerden, H (Hannah Rose)				Opponent Jacobs, B (Brandon Lee)

#	Games	Start				End
1	8	Tournament Curro Durbanville Chess Trials 2022				Tournament District North 2022
		date 2022-01-21	rnd 2	type Rapid	result 1	date 2022-03-05	rnd 4	type Rapid	result 1
		Opponent Gwanzura, K (Kevin)				Opponent Van Rhyn, A (Aden)
2	5	Tournament Jakes Gerwel Aurecon 2018				Tournament Welgemoed Chess Challenge 2019
		date 2018-10-13	rnd 7	type Rapid	result 1	date 2019-02-23	rnd 4	type Rapid	result 1
		Opponent Capes, K (Kyle)				Opponent Goliath, Q (Quinn)
3	4	Tournament Welgemoed Chess Challenge 2018				Tournament Welgemoed Chess Challenge 2018
		date 2018-02-24	rnd 1	type Rapid	result 1	date 2018-02-24	rnd 4	type Rapid	result 1
		Opponent Beech, K (Kael)				Opponent Jones, A (Annchen)

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	Nabela ,A (Alutshitshi)	5	5	425	3	3	425	2	2	425	0	0	0
1	Nabela ,A (Alutshitshi)	5	830.9	1255.9	3	745.9	1255.9	2	800.4	1255.9	0	0	0
2	Schnabel ,SP (Stephan)	4	2	0	4	2	0	0	0	0	0	0	0
2	Schnabel ,SP (Stephan)	4	1309.9	1309.9	4	1302.5	1309.9	0	0	0	0	0	0
3	Goliath ,Q (Quinn)	4	4	425	3	3	425	1	1	425	0	0	0
3	Goliath ,Q (Quinn)	4	1135.2	1560.2	3	1097	1560.2	1	801.4	1560.2	0	0	0
4	Bell ,A (Ayakha)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
4	Bell ,A (Ayakha)	3	1277.8	1277.8	3	1273.7	1277.8	0	0	0	0	0	0
5	Spiller ,C (Caden)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
5	Spiller ,C (Caden)	3	1216.6	1216.6	3	1157.2	1216.6	0	0	0	0	0	0
6	Bosman ,P (Petrus)	3	0.5	-283.3	2	0.5	-212.5	1	0	-425	0	0	0
6	Bosman ,P (Petrus)	3	1183.5	900.2	2	1238.5	971	1	705.2	758.5	0	0	0
7	Baruch ,L (Liam)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
7	Baruch ,L (Liam)	3	1480.6	1338.9	2	1453.4	1480.6	1	1365.1	1055.6	0	0	0
8	Van Heerden ,H (Hannah Rose)	3	2	141.7	1	1	425	2	1	0	0	0	0
8	Van Heerden ,H (Hannah Rose)	3	1312.2	1453.9	1	1200	1737.2	2	1303.8	1312.2	0	0	0
9	Van Romburgh ,DS (Daniel Struwig)	2	2	425	2	2	425	0	0	0	0	0	0
9	Van Romburgh ,DS (Daniel Struwig)	2	915	1339.9	2	919.1	1339.9	0	0	0	0	0	0
10	Janse Van Rensburg ,A (Arden)	2	2	425	2	2	425	0	0	0	0	0	0
10	Janse Van Rensburg ,A (Arden)	2	1353.6	1778.6	2	1259.6	1778.6	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

Olkers, D (Declan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms