Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Leeuw, W (Walter)

Chess SA id

1150147658

FIDE id

Date of birth

2015-01-12 (U12)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1334.1

Item	Main	Standard	Rapid	Blitz
Rating	1331.9	1332.5	1200	1200
Raw rating	1324.4	1311.3	1200	1200
Weighted rating	1331.9	1332.5	1200	1200
Weighted performance	1203.9	1201.4	0	0
Floor	876.8	874.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	138.9	141.5	165.8	165.8
Highest rating	1491.4 2022-10-01	1494.7 2022-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1376.8 2025-03-01	1374.3 2025-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1329 2025-09-01	1332.6 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1491.4 2022-10-01	1494.7 2022-10-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	1.1	-0.3	0	0
New rating	1333	1332.2	1200	1200
Analysis
Rating	1331.9	1332.5	1200	1200
Raw rating	1324.4	1311.3	1200	1200
Weighted rating	1331.9	1332.5	1200
Weighted performance	1203.9	1201.4	0
K-factor	36	36	36	36
Floor	876.8	874.3	700	700
Max/Min rating change allowed	138.9	141.5	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	1324.4	1311.3	1200	1200
New weighted rating	1333	1332.2	1200	1200
New weighted performance	1196.2	1193.8	0	0
Temp new rating	1333	1332.2	1200	1200
Temp new rating +/-	1.1	-0.3	0	0
Final new rating +/-	1.1	-0.3	0	0
New rating	1333	1332.2	1200	1200
New K-factor	36	36	36	36
New floor	876.8	874.3	700	700

Item	Main	Standard
	0	0
	15	15
	15	15
	9	9
	5	5
	0	0
History	44	44

Games since
	Main 30	Standard 30		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	2856		1036		394
Male	2277		826		309
U12	407		156		58
U12 Male	300		112		37
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	15	7	46.67	-28.3	1317.3	1289
Standard	15	7	46.67	-28.3	1317.3	1289
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	44	25.5	57.95	67.6	1279.6	1347.2
Standard	44	25.5	57.95	67.6	1279.6	1347.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1324.4	1311.3	1200	1200
2025-09-30	1324.4	1311.3	1200	1200
2025-09-01	1324.4	1311.3	1200	1200
2025-08-01	1376.8	1374.3	1200	1200
2025-07-01	1376.8	1374.3	1200	1200
2025-06-01	1376.8	1374.3	1200	1200
2025-05-01	1376.8	1374.3	1200	1200
2025-04-01	1376.8	1374.3	1200	1200
2025-03-01	1376.8	1374.3	1200	1200
2025-02-01	1342.7	1357.5	1200	1200
2025-01-01	1337.1	1355.5	1200	1200
2024-12-01	1337.1	1355.5	1200	1200
2024-11-01	1278.8	1287.5	1200	1200
2024-10-01	1278.8	1287.5	1200	1200
2024-09-01	1278.8	1287.5	1200	1200
2024-08-01	1267.1	1275.6	1200	1200
2024-07-01	1267.1	1275.6	1200	1200
2024-09-01	1267.1	1275.6	1200	1200
2024-05-01	1267.1	1275.6	1200	1200
2024-04-01	1259.9	1268	1200	1200
2024-03-01	1259.9	1268	1200	1200
2024-02-01	1259.9	1268	1200	1200
2024-01-01	1259.9	1268	1200	1200
2023-12-01	1259.9	1268	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	2025 Tshwane South School District CLOSED League Championship (U11A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	Constantiapark Open 2025 (U12)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	2025 Tshwane Chess OPEN Registration Tournament (U12)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U11A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	Constantiapark Open 2025 (U12)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	2025 Tshwane Chess OPEN Registration Tournament (U12)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	Lardies Ope 2024 (U10)	2024-10-26	2024-10-26	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
5	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U9A)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
6	2024 Silver Lakes Open Chess Tournament (E)	2024-04-20	2024-04-20	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	2023 Tshwane South School District CLOSED League Championship (U9)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
8	Laerskool Constantiapark Open Chess Tournament 2023 (U10)	2023-02-18	2023-02-18	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
9	Lardies Tournament 2022 (U8)	2022-10-29	2022-10-29	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament Laerskool Constantiapark Open Chess Tournament 2023				Tournament 2023 Tshwane South School District CLOSED League Championship
		date 2023-02-18	rnd 4	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Coetzee, R (Riko)				Opponent Morland, M (Marius)
2	4	Tournament Lardies Tournament 2022				Tournament Lardies Tournament 2022
		date 2022-10-29	rnd 1	type Standard	result 1	date 2022-10-29	rnd 4	type Standard	result 1
		Opponent Rocher, G (Gideon)				Opponent Danzfuss, E (Edrich)
3	3	Tournament Lardies Ope 2024				Tournament 2025 Tshwane Chess OPEN Registration Tournament
		date 2024-10-26	rnd 4	type Standard	result 1	date 2025-01-25	rnd 1	type Standard	result 1
		Opponent Vosloo, L (Leja)				Opponent De Kock, N (Nieve)

#	Games	Start				End
1	4	Tournament Laerskool Constantiapark Open Chess Tournament 2023				Tournament 2023 Tshwane South School District CLOSED League Championship
		date 2023-02-18	rnd 4	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Coetzee, R (Riko)				Opponent Morland, M (Marius)
2	4	Tournament Lardies Tournament 2022				Tournament Lardies Tournament 2022
		date 2022-10-29	rnd 1	type Standard	result 1	date 2022-10-29	rnd 4	type Standard	result 1
		Opponent Rocher, G (Gideon)				Opponent Danzfuss, E (Edrich)
3	3	Tournament Lardies Ope 2024				Tournament 2025 Tshwane Chess OPEN Registration Tournament
		date 2024-10-26	rnd 4	type Standard	result 1	date 2025-01-25	rnd 1	type Standard	result 1
		Opponent Vosloo, L (Leja)				Opponent De Kock, N (Nieve)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Laerskool Constantiapark Open Chess Tournament 2023				Tournament 2023 Tshwane South School District CLOSED League Championship
		date 2023-02-18	rnd 4	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Coetzee, R (Riko)				Opponent Morland, M (Marius)
2	4	Tournament Lardies Tournament 2022				Tournament Lardies Tournament 2022
		date 2022-10-29	rnd 1	type Standard	result 1	date 2022-10-29	rnd 4	type Standard	result 1
		Opponent Rocher, G (Gideon)				Opponent Danzfuss, E (Edrich)
3	3	Tournament Lardies Ope 2024				Tournament 2025 Tshwane Chess OPEN Registration Tournament
		date 2024-10-26	rnd 4	type Standard	result 1	date 2025-01-25	rnd 1	type Standard	result 1
		Opponent Vosloo, L (Leja)				Opponent De Kock, N (Nieve)

#	Games	Start				End
1	4	Tournament Laerskool Constantiapark Open Chess Tournament 2023				Tournament 2023 Tshwane South School District CLOSED League Championship
		date 2023-02-18	rnd 4	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Coetzee, R (Riko)				Opponent Morland, M (Marius)
2	4	Tournament Lardies Tournament 2022				Tournament Lardies Tournament 2022
		date 2022-10-29	rnd 1	type Standard	result 1	date 2022-10-29	rnd 4	type Standard	result 1
		Opponent Rocher, G (Gideon)				Opponent Danzfuss, E (Edrich)
3	3	Tournament Lardies Ope 2024				Tournament 2025 Tshwane Chess OPEN Registration Tournament
		date 2024-10-26	rnd 4	type Standard	result 1	date 2025-01-25	rnd 1	type Standard	result 1
		Opponent Vosloo, L (Leja)				Opponent De Kock, N (Nieve)

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	Bodenstein ,F (Franko)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Bodenstein ,F (Franko)	2	1202.9	777.9	2	1204.1	777.9	0	0	0	0	0	0
2	Dixon ,G (Genevieve)	2	1	0	2	1	0	0	0	0	0	0	0
2	Dixon ,G (Genevieve)	2	1284.6	1284.6	2	1281.8	1284.6	0	0	0	0	0	0
3	Wolvaardt ,J (Jonathan)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Wolvaardt ,J (Jonathan)	2	1434.1	1009.1	2	1428.6	1009.1	0	0	0	0	0	0
4	De Klerk ,O (Oliver)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	De Klerk ,O (Oliver)	1	1213.7	1213.7	1	1216.5	1213.7	0	0	0	0	0	0
5	Opperman ,J (Jordan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Opperman ,J (Jordan)	1	1293.9	1718.9	1	1292.9	1718.9	0	0	0	0	0	0
6	Folkerts ,E (Ewan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Folkerts ,E (Ewan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Alberts ,E (Enrico)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Alberts ,E (Enrico)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Roets ,J (Josias)	1	1	425	1	1	425	0	0	0	0	0	0
8	Roets ,J (Josias)	1	1085.6	1510.6	1	1081.1	1510.6	0	0	0	0	0	0
9	Rocher ,G (Gideon)	1	1	425	1	1	425	0	0	0	0	0	0
9	Rocher ,G (Gideon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Kirchner ,R (Reinard)	1	1	425	1	1	425	0	0	0	0	0	0
10	Kirchner ,R (Reinard)	1	1164.2	1589.2	1	1153.2	1589.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

De Leeuw, W (Walter)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms