Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jordaan, D (Dewan)

Chess SA id

1140140062

FIDE id

Date of birth

2014-05-14 (U14)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1174.8	1159.3	1202.5	1200
Raw rating	1174.8	1159.3	1202.5	1200
Weighted rating	1174.5	1158.9	1202.4	1200
Weighted performance	955	0	0	0
Floor	704	700	711.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	171.9	175.7	165.2	165.8
Highest rating	1204 2023-04-01	1200 2018-10-01	1211.2 2023-04-01	1200 2018-10-01
Highest raw rating	1204 2023-04-01	1200 2020-01-01	1211.2 2023-04-01	1200 2024-02-01
Highest weighted rating	1204 2018-10-01	1200 2018-10-01	1211.2 2025-02-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1174.8	1159.3	1202.5	1200
Analysis
Rating	1174.8	1159.3	1202.5	1200
Raw rating	1174.8	1159.3	1202.5	1200
Weighted rating	1174.5	1158.9	1202.4
Weighted performance	955	0	0
K-factor	36	36	36	36
Floor	704	700	711.2	700
Max/Min rating change allowed	171.9	175.7	165.2	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	1174.8	1159.3	1202.5	1200
New weighted rating	1174.5	1158.9	1202.4	1200
New weighted performance	947.5	0	0	0
Temp new rating	1174.8	1159.3	1202.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1174.8	1159.3	1202.5	1200
New K-factor	36	36	36	36
New floor	704	700	711.2	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	5	5	0
	16	6	10
	5	0	5
	0	0	0
History	31	16	15

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	5	2.5	50	0	1211.5	1211.5
Standard	5	2.5	50	0	1211.5	1211.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	31	14	45.16	-41.1	1206	1164.9
Standard	16	6.5	40.62	-79.7	1212.6	1132.9
Rapid	15	7.5	50	0	1199	1199
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1174.8	1159.3	1202.5	1200
2025-11-30	1174.8	1159.3	1202.5	1200
2025-11-01	1174.8	1159.3	1202.5	1200
2025-09-30	1174.8	1159.3	1202.5	1200
2025-09-01	1174.8	1159.3	1202.5	1200
2025-08-01	1174.8	1159.3	1202.5	1200
2025-07-01	1174.8	1159.3	1202.5	1200
2025-06-01	1174.8	1159.3	1202.5	1200
2025-05-01	1174.8	1159.3	1202.5	1200
2025-04-01	1174.8	1159.3	1202.5	1200
2025-03-01	1174.8	1159.3	1202.5	1200
2025-02-01	1174.5	1158.9	1202.5	1200
2025-01-01	1167.3	1148	1202.2	1200
2024-12-01	1167.3	1148	1202.2	1200
2024-11-01	1176.3	1161.6	1202.2	1200
2024-10-01	1176.3	1161.6	1202.2	1200
2024-09-01	1176.3	1161.6	1202.2	1200
2024-11-01	1176.3	1161.6	1202.2	1200
2024-07-01	1176.3	1161.6	1202.2	1200
2024-06-01	1176.3	1161.6	1202.2	1200
2024-05-01	1176.3	1161.6	1202.2	1200
2024-04-01	1176.3	1161.6	1202.2	1200
2024-03-01	1176.3	1161.6	1202.2	1200
2024-02-01	1176.3	1161.6	1202.2	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	Laerskool Calvinia - Calvie Skaakklub Toernooi 2025 (U12)	2025-11-08	2025-11-08	Standard	Namakwa (NCN)	5	5	2.5	Yes	Analysis
2	PR Booyse Standard Tournament 024 (Development)	2024-11-02	2024-11-02	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
3	Pedro Booyse Top Schools 2023 (U7+U9)	2023-07-29	2023-07-29	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
4	Western Cape PS Individuals 2023 (U9 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
5	Bo-Weskus Skole Prestige 2023 (O9 Seuns)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
6	West Coast Schools Chess Prestige Leg 2 2022 (U9 Boys)	2022-04-23	2022-04-23	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-03-04	rnd 2	type Rapid	result 1	date 2023-03-04	rnd 4	type Rapid	result 1
		Opponent Swartz, L (Leehandro)				Opponent Fredericks, D (Diego)
2	2	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 4	type Rapid	result 0.5
		Opponent Franzman, M (Michael)				Opponent Daniels, K (Kimlynne)
3	2	Tournament Western Cape PS Individuals 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-07-29	rnd 1	type Rapid	result 1
		Opponent Jacobs, N (Nathaniel)				Opponent Fortuin, M (Mia)

#	Games	Start				End
1	1	Tournament PR Booyse Standard Tournament 024				Tournament PR Booyse Standard Tournament 024
		date 2024-11-02	rnd 5	type Standard	result 1	date 2024-11-02	rnd 5	type Standard	result 1
		Opponent Ockhuis, A (Amy)				Opponent Ockhuis, A (Amy)
2	1	Tournament PR Booyse Standard Tournament 024				Tournament PR Booyse Standard Tournament 024
		date 2024-11-02	rnd 3	type Standard	result 1	date 2024-11-02	rnd 3	type Standard	result 1
		Opponent Julie, L (Leo)				Opponent Julie, L (Leo)
3	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Jacobs, N (Nathaniel)				Opponent Jacobs, N (Nathaniel)

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-03-04	rnd 2	type Rapid	result 1	date 2023-03-04	rnd 4	type Rapid	result 1
		Opponent Swartz, L (Leehandro)				Opponent Fredericks, D (Diego)
2	2	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 4	type Rapid	result 0.5
		Opponent Franzman, M (Michael)				Opponent Daniels, K (Kimlynne)
3	2	Tournament West Coast Schools Chess Prestige Leg 2 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Van Rooi, D (Dimitri)				Opponent Beukes, M (Marlin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-03-04	rnd 2	type Rapid	result 1	date 2023-03-04	rnd 4	type Rapid	result 1
		Opponent Swartz, L (Leehandro)				Opponent Fredericks, D (Diego)
2	2	Tournament Western Cape PS Individuals 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-07-29	rnd 1	type Rapid	result 1
		Opponent Jacobs, N (Nathaniel)				Opponent Fortuin, M (Mia)
3	2	Tournament West Coast Schools Chess Prestige Leg 2 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Van Rooi, D (Dimitri)				Opponent Beukes, M (Marlin)

#	Games	Start				End
1	1	Tournament PR Booyse Standard Tournament 024				Tournament PR Booyse Standard Tournament 024
		date 2024-11-02	rnd 5	type Standard	result 1	date 2024-11-02	rnd 5	type Standard	result 1
		Opponent Ockhuis, A (Amy)				Opponent Ockhuis, A (Amy)
2	1	Tournament PR Booyse Standard Tournament 024				Tournament PR Booyse Standard Tournament 024
		date 2024-11-02	rnd 3	type Standard	result 1	date 2024-11-02	rnd 3	type Standard	result 1
		Opponent Julie, L (Leo)				Opponent Julie, L (Leo)
3	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Jacobs, N (Nathaniel)				Opponent Jacobs, N (Nathaniel)

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-03-04	rnd 2	type Rapid	result 1	date 2023-03-04	rnd 4	type Rapid	result 1
		Opponent Swartz, L (Leehandro)				Opponent Fredericks, D (Diego)
2	2	Tournament West Coast Schools Chess Prestige Leg 2 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Van Rooi, D (Dimitri)				Opponent Beukes, M (Marlin)
3	1	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Franzman, M (Michael)				Opponent Franzman, M (Michael)

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	Sacco ,A (Ansley)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
1	Sacco ,A (Ansley)	2	1179.1	966.6	1	1108.5	1179.1	1	1160	754.1	0	0	0
2	Techow-Grubert ,D (Dominik)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Techow-Grubert ,D (Dominik)	1	1231.7	806.7	1	1199.6	806.7	0	0	0	0	0	0
3	Ockhuis ,A (Amy)	1	1	425	1	1	425	0	0	0	0	0	0
3	Ockhuis ,A (Amy)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Smith ,A (Andrew)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Smith ,A (Andrew)	1	1160.4	735.4	1	1183.6	735.4	0	0	0	0	0	0
5	Jacobs ,N (Nathaniel)	1	1	425	1	1	425	0	0	0	0	0	0
5	Jacobs ,N (Nathaniel)	1	1162.5	1587.5	1	1154.8	1587.5	0	0	0	0	0	0
6	Van Der Merwe ,C (Charl)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van Der Merwe ,C (Charl)	1	1225.6	1650.6	1	1218.6	1650.6	0	0	0	0	0	0
7	Julie ,L (Leo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Julie ,L (Leo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Van Wyk ,N (Nicolaas)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Wyk ,N (Nicolaas)	1	1241.6	816.6	1	1146.4	816.6	0	0	0	0	0	0
9	Witbooi ,E (Eldunay)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Witbooi ,E (Eldunay)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Van Rooi ,D (Dimitri)	1	1	425	0	0	0	1	1	425	0	0	0
10	Van Rooi ,D (Dimitri)	1	1249.6	1674.6	0	0	0	1	1270.4	1674.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Jordaan, D (Dewan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms