Chess South Africa Ratings Database

PLAYER PAGE

Personal

Randelhoff, J (Jordan)

Chess SA id

107078350

FIDE id

Date of birth

2007-05-14 (U20)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1403.8

Item	Main	Standard	Rapid	Blitz
Rating	1389.8	1364.5	1225.1	717
Raw rating	1389.8	1364.5	1225.1	717
Weighted rating	1367.2	1337.6	1218.7	717
Weighted performance	1314.9	1293.6	887.9	0
Floor	914.2	892.4	725.1	500
K-factor	32	36	36	40
Min/Max rating change allowed	126.5	131.2	160	330
Highest rating	1414.2 2025-04-01	1392.4 2025-04-01	1238.6 2024-04-01	1200 2024-02-01
Highest raw rating	1414.2 2025-04-01	1392.4 2025-04-01	1225.1 2024-05-01	717 2024-02-01
Highest weighted rating	1414.2 2024-07-01	1392.4 2024-07-01	1225.1 2024-11-01	717 2024-11-01
Highest weighted performance	1414.2 2025-04-01	1389.8 2023-02-01	1238.6 2024-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1389.8	1364.5	1225.1	717
Analysis
Rating	1389.8	1364.5	1225.1	717
Raw rating	1389.8	1364.5	1225.1	717
Weighted rating	1367.2	1337.6	1218.7
Weighted performance	1314.9	1293.6	887.9
K-factor	32	36	36	40
Floor	914.2	892.4	725.1	500
Max/Min rating change allowed	126.5	131.2	160	330
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	1389.8	1364.5	1225.1	717
New weighted rating	1369.5	1340.3	1221	717
New weighted performance	1314.5	1293.2	887.4	0
Temp new rating	1389.8	1364.5	1225.1	717
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1389.8	1364.5	1225.1	717
New K-factor	32	36	36	40
New floor	914.2	892.4	725.1	500

Item	Main	Standard	Rapid
	0	0	0
	22	22	0
	31	15	16
	20	20	0
	26	21	5
	11	6	5
History	185	133	52

Games since
	Main 53	Standard 37		Rapid 16		Blitz 0
Gender	Male
Age group	U20
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2283		696		107
Male	1869		538		81
U20	196		69		14
U20 Male	161		59		12
Standard
	RSA		Province		Region
Overall	2424		680		99
Male	1966		510		72
U20	206		71		15
U20 Male	160		59		13
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	22	14	63.64	115.9	1323.7	1439.6
Standard	22	14	63.64	115.9	1323.7	1439.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	141	82.5	58.51	72.3	1202.3	1274.7
Standard	102	57.5	56.37	54.2	1225.1	1279.3
Rapid	39	25	64.1	119.9	1142.7	1262.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1389.8	1364.5	1225.1	717
2025-09-01	1389.8	1364.5	1225.1	717
2025-08-01	1389.8	1364.5	1225.1	717
2025-07-01	1389.8	1364.5	1225.1	717
2025-06-01	1389.8	1364.5	1225.1	717
2025-05-01	1389.8	1364.5	1225.1	717
2025-04-01	1414.2	1392.4	1225.1	717
2025-03-01	1398.5	1379	1225.1	717
2025-02-01	1344.5	1311	1225.1	717
2025-01-01	1326.4	1292.2	1225.1	717
2024-12-01	1326.4	1292.2	1225.1	717
2024-11-01	1326.4	1292.2	1225.1	717
2024-10-01	1326.4	1292.2	1225.1	717
2024-09-01	1326.4	1292.2	1225.1	717
2024-08-01	1326.4	1292.2	1225.1	717
2024-07-01	1331.2	1292.9	1225.1	717
2024-06-01	1331.2	1292.9	1225.1	717
2024-08-01	1331.2	1292.9	1225.1	717
2024-04-01	1354.7	1292.9	1193	717
2024-03-01	1384.9	1323.1	1193	717
2024-02-01	1345.9	1323.1	1069	717
2024-01-01	1378.5	1362.3	1069	717
2023-12-01	1378.5	1362.3	1069	717
2023-11-01	1378.5	1362.3	1069	717

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	Western Cape Schools Individual Championship 2025 (U19 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U19 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U19 Boys)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
4	Marie Delport Memorial 2025 (Open)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U19 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U19 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U19 Boys)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
4	Marie Delport Memorial 2025 (Open)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
5	Cape Winelands - Top Schools 2024 (U18 Mixed)	2024-07-27	2024-07-27	Standard	Cape Winelands (WCW)	5	4	1.5	Yes	Analysis
6	Hermanus Chess Club Open 2024 (Intermediate)	2024-04-20	2024-04-20	Rapid	Overberg (WOS)	7	7	3.5	Yes	Analysis
7	Cape Town Junior League Qualifier 2024 (U18 Open)	2024-04-06	2024-04-06	Rapid	Cape Town (WCT)	6	3	2	Yes	Analysis
8	Cape Winelands Schools - Prestige 2024 (U18 Boys)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
9	Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	5	Yes	Analysis
10	Cape Winelands - Marie Delport Memorial 2024 (Open)	2024-01-27	2024-01-28	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
11	Western Cape Top Schools 2023 (U18 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	5	3	Yes	Analysis
12	Cape Winelands Open 2023 (Intermediate)	2023-07-22	2023-07-23	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
13	Cape Winelands Schools Prestige 2023 (U17 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	4	1.5	Yes	Analysis
14	Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
15	Western Cape Top Schools 2022 (U15 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	4.5	Yes	Analysis
16	Western Cape Closed Championship 2022 (Open)	2022-09-24	2022-09-25	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
17	Cape Winelands Schools Top Schools 2022 (U15 Mix)	2022-08-27	2022-08-27	Standard	Cape Winelands (WCW)	5	5	4.5	Yes	Analysis
18	Cape Winelands Schools 2022 (U15 Boys)	2022-03-05	2022-03-05	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
19	Central Winelands Schools Individual Trials 2022 (U15 Boys)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
20	Cape Winelands Schools Trials 2021 (U15 Boys)	2021-10-16	2021-10-16	Rapid	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
21	Western Cape Closed 2021 (Open)	2021-09-24	2021-09-25	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
22	Western Cape Schools Individuals 2018 (U11 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	2	Yes	Analysis
23	Inter Regional 2018 (U12 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	1	Yes	Analysis
24	Rhenish Primary Chess Tournament 2018 (U12)	2018-05-12	2018-05-12	Rapid	Cape Winelands (WCW)	7	7	6	Yes	Analysis
25	Cape Winelands Schools Trials 1 2018 (U11 Boys)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
26	Cape Winelands Schools Prestige 2018 (U11 Boys)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	5	Yes	Analysis

#	Games	Start				End
1	11	Tournament Cape Winelands Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-03-05	rnd 5	type Standard	result 0.5	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent Isaacs, C (Chad-Lee)				Opponent Beukes, H (Hen-Lee)
2	7	Tournament Rhenish Primary Chess Tournament 2018				Tournament Rhenish Primary Chess Tournament 2018
		date 2018-05-12	rnd 1	type Rapid	result 1	date 2018-05-12	rnd 7	type Rapid	result 1
		Opponent Kwande, T (Tadi)				Opponent Bester, C (Christoff)
3	6	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-25	rnd 7	type Standard	result 0.5
		Opponent Coleman, J (Jack)				Opponent Erasmus, E (Earl)

#	Games	Start				End
1	11	Tournament Cape Winelands Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-03-05	rnd 5	type Standard	result 0.5	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent Isaacs, C (Chad-Lee)				Opponent Beukes, H (Hen-Lee)
2	6	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-25	rnd 7	type Standard	result 0.5
		Opponent Coleman, J (Jack)				Opponent Erasmus, E (Earl)
3	4	Tournament Cape Winelands Schools Prestige 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-04-26	rnd 1	type Standard	result 1
		Opponent Van Niekerk, J (Jazwon)				Opponent Maarman, R (Royaldhino)

#	Games	Start				End
1	9	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 2021
		date 2018-03-03	rnd 6	type Rapid	result 1	date 2021-10-16	rnd 1	type Rapid	result 1
		Opponent Adams, E (Ethan)				Opponent Van Der Merwe, W (Wj)
2	4	Tournament Central Winelands Schools Individual Trials 2022				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2022-02-19	rnd 5	type Rapid	result 0.5	date 2024-02-17	rnd 3	type Rapid	result 1
		Opponent Drury, N (Nicholas)				Opponent De Lange, R (Rhailihn)
3	4	Tournament Cape Winelands Schools Trials 2021				Tournament Central Winelands Schools Individual Trials 2022
		date 2021-10-16	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 3	type Rapid	result 1
		Opponent Moko, K (Khaya)				Opponent Louw, B (Ben)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Cape Winelands Schools Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-08-27	rnd 4	type Standard	result 1	date 2022-09-17	rnd 3	type Standard	result 1
		Opponent Salaiman, A (Amir)				Opponent Michaels, E (Enrico)
2	4	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Titus, M (Mcwillen)				Opponent Ras, N (Nizaamudeen)
3	4	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-25	rnd 5	type Standard	result 1
		Opponent Coleman, J (Jack)				Opponent Isaacs, S (Sean-Patrick)

#	Games	Start				End
1	5	Tournament Cape Winelands Schools Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-08-27	rnd 4	type Standard	result 1	date 2022-09-17	rnd 3	type Standard	result 1
		Opponent Salaiman, A (Amir)				Opponent Michaels, E (Enrico)
2	4	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Titus, M (Mcwillen)				Opponent Ras, N (Nizaamudeen)
3	4	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-25	rnd 5	type Standard	result 1
		Opponent Coleman, J (Jack)				Opponent Isaacs, S (Sean-Patrick)

#	Games	Start				End
1	4	Tournament Rhenish Primary Chess Tournament 2018				Tournament Cape Winelands Schools Trials 2021
		date 2018-05-12	rnd 5	type Rapid	result 1	date 2021-10-16	rnd 1	type Rapid	result 1
		Opponent Ngwedla, I (Imakhe)				Opponent Van Der Merwe, W (Wj)
2	3	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Town Junior League Qualifier 2024
		date 2024-02-17	rnd 5	type Rapid	result 1	date 2024-04-06	rnd 1	type Rapid	result 1
		Opponent Adler, K (Keano)				Opponent Mhlatywa, I (Inathi)
3	3	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 3	type Rapid	result 1
		Opponent Nqakala, Y (Yamkela)				Opponent De Lange, R (Rhailihn)

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	Rosenberg ,W (Wagheed)	4	1	-212.5	2	0	-425	2	1	0	0	0	0
1	Rosenberg ,W (Wagheed)	4	1290.5	1078	2	1552.7	865.5	2	1010.2	1290.5	0	0	0
2	Anderson ,N (Neo)	3	0	-425	2	0	-425	1	0	-425	0	0	0
2	Anderson ,N (Neo)	3	1265.3	840.3	2	1228.4	840.3	1	1200	840.3	0	0	0
3	Roux ,T (Tiaan)	3	1	-141.7	2	0.5	-212.5	1	0.5	0	0	0	0
3	Roux ,T (Tiaan)	3	1270.6	1128.9	2	1313.6	1058.1	1	1200	1270.6	0	0	0
4	Saoud ,J (Jassem)	3	2	141.7	1	1	425	2	1	0	0	0	0
4	Saoud ,J (Jassem)	3	814.9	956.5	1	505.2	1239.9	2	965.3	814.9	0	0	0
5	Drury ,N (Nicholas)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
5	Drury ,N (Nicholas)	3	771.4	913	0	0	0	3	770.8	913	0	0	0
6	Jaeger ,D (Daniel)	2	1	0	2	1	0	0	0	0	0	0	0
6	Jaeger ,D (Daniel)	2	1243.2	1243.2	2	1209.6	1243.2	0	0	0	0	0	0
7	Van Heerden ,EJ (Ethan Joel)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
7	Van Heerden ,EJ (Ethan Joel)	2	1560.1	1772.6	2	1533.4	1772.6	0	0	0	0	0	0
8	Hjelden ,E (Einwald)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Hjelden ,E (Einwald)	2	1040.3	827.8	2	993	827.8	0	0	0	0	0	0
9	Davids ,R (Rafael)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Davids ,R (Rafael)	2	1528	1103	2	1510.7	1103	0	0	0	0	0	0
10	Isaacs ,S (Sean-Patrick)	2	2	425	2	2	425	0	0	0	0	0	0
10	Isaacs ,S (Sean-Patrick)	2	935.9	1360.9	2	884.8	1360.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Randelhoff, J (Jordan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms