Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, R (Rafael)

Chess SA id

1160192952

FIDE id

Date of birth

2016-01-12 (U10)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1288.9

Item	Main	Standard	Rapid	Blitz
Rating	1276.7	1288.5	1200	1200
Raw rating	1276.7	1288.5	1200	1200
Weighted rating	1250.7	1261.2	1200	1200
Weighted performance	1195.2	1202.5	0	0
Floor	776.7	788.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.7	146.2	165.8	165.8
Highest rating	1300.8 2024-03-01	1313.8 2024-03-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1276.7 2025-08-01	1288.5 2025-08-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1239.2 2025-08-01	1281.2 2024-10-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1300.8 2024-03-01	1313.8 2024-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1276.7	1288.5	1200	1200
Analysis
Rating	1276.7	1288.5	1200	1200
Raw rating	1276.7	1288.5	1200	1200
Weighted rating	1250.7	1261.2	1200
Weighted performance	1195.2	1202.5	0
K-factor	36	36	36	36
Floor	776.7	788.5	700	700
Max/Min rating change allowed	148.7	146.2	165.8	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	1276.7	1288.5	1200	1200
New weighted rating	1254	1264.8	1200	1200
New weighted performance	1187.8	1195	0	0
Temp new rating	1276.7	1288.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1276.7	1288.5	1200	1200
New K-factor	36	36	36	36
New floor	776.7	788.5	700	700

Item	Main	Standard
	0	0
	28	28
	13	13
	0	0
	0	0
	0	0
History	41	41

Games since
	Main 41	Standard 41		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3486		1144		322
Male	2693		841		224
U10	301		100		39
U10 Male	236		71		25
Standard
	RSA		Province		Region
Overall	3285		937		305
Male	2567		679		215
U10	279		78		39
U10 Male	224		55		26
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	28	15.5	55.36	45.5	1259.5	1305
Standard	28	15.5	55.36	45.5	1259.5	1305
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	41	21.5	52.44	20.7	1261.9	1282.7
Standard	41	21.5	52.44	20.7	1261.9	1282.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1276.7	1288.5	1200	1200
2025-09-30	1276.7	1288.5	1200	1200
2025-09-01	1276.7	1288.5	1200	1200
2025-08-01	1276.7	1288.5	1200	1200
2025-07-01	1270.1	1281.2	1200	1200
2025-06-01	1270.1	1281.2	1200	1200
2025-05-01	1270.1	1281.2	1200	1200
2025-04-01	1262.9	1273	1200	1200
2025-03-01	1263.2	1277	1200	1200
2025-02-01	1221.6	1231.6	1200	1200
2025-01-01	1221.6	1231.6	1200	1200
2024-12-01	1221.6	1231.6	1200	1200
2024-11-01	1221.6	1231.6	1200	1200
2024-10-01	1221.6	1231.6	1200	1200
2024-09-01	1221.6	1231.6	1200	1200
2024-08-01	1221.6	1231.6	1200	1200
2024-07-01	1221.6	1231.6	1200	1200
2024-09-01	1221.6	1231.6	1200	1200
2024-05-01	1221.6	1231.6	1200	1200
2024-04-01	1221.6	1231.6	1200	1200
2024-03-01	1163.8	1156	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

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	George Top Schools 2025 (U9)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	4	2	Yes	Analysis
2	Eden Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	4	2	Yes	Analysis
3	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
4	George Schools Chess Trials 3 2025 (U9 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	George Schools Chess Trials 2 2025 (U9 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	George Schools Chess Trials 1 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	George Top Schools 2025 (U9)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	4	2	Yes	Analysis
2	Eden Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	4	2	Yes	Analysis
3	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
4	George Schools Chess Trials 3 2025 (U9 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	George Schools Chess Trials 2 2025 (U9 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	George Schools Chess Trials 1 2025 (U9 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
7	George Schools Trials 3 2024 (U9 Boys)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	4	3	Yes	Analysis
8	George Schools Trials 2 2024 (U9 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	4	1	Yes	Analysis
9	George Schools Trials 1 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Le Roux, H (Hanco)				Opponent Mommen, A (Aiden)
2	4	Tournament George Schools Trials 3 2024				Tournament George Schools Chess Trials 1 2025
		date 2024-03-02	rnd 5	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 0.5
		Opponent Fritz, U (Ulysse)				Opponent Vermeulen, E (Elster)
3	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-15	rnd 2	type Standard	result 1
		Opponent James, L (Lechuti)				Opponent Modupe, L (Lesego)

#	Games	Start				End
1	4	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Le Roux, H (Hanco)				Opponent Mommen, A (Aiden)
2	4	Tournament George Schools Trials 3 2024				Tournament George Schools Chess Trials 1 2025
		date 2024-03-02	rnd 5	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 0.5
		Opponent Fritz, U (Ulysse)				Opponent Vermeulen, E (Elster)
3	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-15	rnd 2	type Standard	result 1
		Opponent James, L (Lechuti)				Opponent Modupe, L (Lesego)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Le Roux, H (Hanco)				Opponent Mommen, A (Aiden)
2	3	Tournament George Schools Trials 3 2024				Tournament George Schools Chess Trials 1 2025
		date 2024-03-02	rnd 5	type Standard	result 1	date 2025-02-01	rnd 2	type Standard	result 1
		Opponent Fritz, U (Ulysse)				Opponent Smeda, J (Jandre)
3	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-15	rnd 2	type Standard	result 1
		Opponent James, L (Lechuti)				Opponent Modupe, L (Lesego)

#	Games	Start				End
1	4	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Le Roux, H (Hanco)				Opponent Mommen, A (Aiden)
2	3	Tournament George Schools Trials 3 2024				Tournament George Schools Chess Trials 1 2025
		date 2024-03-02	rnd 5	type Standard	result 1	date 2025-02-01	rnd 2	type Standard	result 1
		Opponent Fritz, U (Ulysse)				Opponent Smeda, J (Jandre)
3	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-15	rnd 2	type Standard	result 1
		Opponent James, L (Lechuti)				Opponent Modupe, L (Lesego)

No games found.

#	Games	Start				End

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	Opperman ,C (Caden)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Opperman ,C (Caden)	3	1415	990	3	1414.3	990	0	0	0	0	0	0
2	Vermeulen ,E (Elster)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Vermeulen ,E (Elster)	2	1398.8	1186.3	2	1396.7	1186.3	0	0	0	0	0	0
3	Strydom ,L (Liam)	2	1	0	2	1	0	0	0	0	0	0	0
3	Strydom ,L (Liam)	2	1271.4	1271.4	2	1332.2	1271.4	0	0	0	0	0	0
4	Boltman ,J (Jandre)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Boltman ,J (Jandre)	2	1203.8	778.8	2	1207.1	778.8	0	0	0	0	0	0
5	Syfers ,J (Jenevio)	1	1	425	1	1	425	0	0	0	0	0	0
5	Syfers ,J (Jenevio)	1	1211.4	1636.4	1	1213.6	1636.4	0	0	0	0	0	0
6	Mommen ,A (Aiden)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mommen ,A (Aiden)	1	1118.8	1543.8	1	1110.2	1543.8	0	0	0	0	0	0
7	Flores ,Z (Zhoe)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Flores ,Z (Zhoe)	1	1387.8	962.8	1	1397.5	962.8	0	0	0	0	0	0
8	Boshoff ,L (Luhan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Boshoff ,L (Luhan)	1	1165.4	740.4	1	1162.8	740.4	0	0	0	0	0	0
9	Rheeder ,L (Logan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Rheeder ,L (Logan)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Lyon ,B (Bordeaux)	1	1	425	1	1	425	0	0	0	0	0	0
10	Lyon ,B (Bordeaux)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Du Preez, R (Rafael)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms