Chess South Africa Ratings Database

PLAYER PAGE

Personal

Black, W (Waldo)

Chess SA id

1080150810

FIDE id

Date of birth

2008-05-16 (U18)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1460.4

Item	Main	Standard	Rapid	Blitz
Rating	1421.1	1441.9	1200	1200
Raw rating	1421.1	1441.9	1200	1200
Weighted rating	1363.9	1384	1200	1200
Weighted performance	1370.8	1370.5	0	0
Floor	921.1	941.9	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	121	117.5	165.8	165.8
Highest rating	1421.1 2025-08-01	1441.9 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1421.1 2025-08-01	1441.9 2025-08-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1350.6 2025-08-01	1370.5 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1415.3 2023-08-01	1414.4 2023-08-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1421.1	1441.9	1200	1200
Analysis
Rating	1421.1	1441.9	1200	1200
Raw rating	1421.1	1441.9	1200	1200
Weighted rating	1363.9	1384	1200
Weighted performance	1370.8	1370.5	0
K-factor	32	32	36	36
Floor	921.1	941.9	700	700
Max/Min rating change allowed	121	117.5	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	1421.1	1441.9	1200	1200
New weighted rating	1370	1390.2	1200	1200
New weighted performance	1370.3	1369.9	0	0
Temp new rating	1421.1	1441.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1421.1	1441.9	1200	1200
New K-factor	32	32	36	36
New floor	921.1	941.9	700	700

Item	Main	Standard
	0	0
	10	10
	6	6
	19	19
	0	0
	0	0
History	35	35

Games since
	Main 16	Standard 16		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	West Rand (GWR)
Province	Gauteng (GT)
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	10	9.5	95	382.5	1214.2	1596.7
Standard	10	9.5	95	382.5	1214.2	1596.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	35	27	77.14	230.7	1232.8	1463.5
Standard	35	27	77.14	230.7	1232.8	1463.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1421.1	1441.9	1200	1200
2025-09-01	1421.1	1441.9	1200	1200
2025-08-01	1421.1	1441.9	1200	1200
2025-07-01	1381.2	1403.3	1200	1200
2025-06-01	1381.2	1403.3	1200	1200
2025-05-01	1381.2	1403.3	1200	1200
2025-04-01	1381.2	1403.3	1200	1200
2025-03-01	1381.2	1403.3	1200	1200
2025-02-01	1339.5	1358	1200	1200
2025-01-01	1339.5	1358	1200	1200
2024-12-01	1339.5	1358	1200	1200
2024-11-01	1314.4	1332.8	1200	1200
2024-10-01	1314.4	1332.8	1200	1200
2024-09-01	1314.4	1332.8	1200	1200
2024-08-01	1314.4	1332.8	1200	1200
2024-07-01	1314.4	1332.8	1200	1200
2024-06-01	1314.4	1332.8	1200	1200
2024-08-01	1314.4	1332.8	1200	1200
2024-04-01	1314.4	1332.8	1200	1200
2024-03-01	1314.4	1332.8	1200	1200
2024-02-01	1314.4	1332.8	1200	1200
2024-01-01	1314.4	1332.8	1200	1200
2023-12-01	1314.4	1332.8	1200	1200
2023-11-01	1314.4	1332.8	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 D2 Schools League Finals (U17)	2025-07-26	2025-07-26	Standard	West Rand (GWR)	5	5	5	Yes	Analysis
2	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 D2 Schools League Finals (U17)	2025-07-26	2025-07-26	Standard	West Rand (GWR)	5	5	5	Yes	Analysis
2	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	4.5	Yes	Analysis
3	Paarl Boys' High Chess Festival 2024	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
4	2023 Gauteng Top Schools (U15 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
5	D2 School League Finals 2023 (U15)	2023-07-22	2023-07-22	Standard	West Rand (GWR)	6	4	3	Yes	Analysis
6	West Rand Juniors 2023 (U16)	2023-03-18	2023-03-18	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
7	WR Tournament and Coaching 2023 (Rooks)	2023-02-25	2023-02-25	Standard	West Rand (GWR)	5	5	3	Yes	Analysis

#	Games	Start				End
1	19	Tournament 2023 Gauteng Top Schools				Tournament 2025 D2 Schools League Finals
		date 2023-08-19	rnd 3	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Hlonyane, L (Lebohang)				Opponent Seete, T (Thiti)
2	2	Tournament D2 School League Finals 2023				Tournament 2023 Gauteng Top Schools
		date 2023-07-22	rnd 5	type Standard	result 1	date 2023-08-19	rnd 1	type Standard	result 1
		Opponent Ferreira, T (Teagan)				Opponent Du Plooy, A (Abigail)
3	2	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-07-22	rnd 2	type Standard	result 1
		Opponent Mmbadi, O (Obadiah)				Opponent Ferreira, T (Teagan)

#	Games	Start				End
1	19	Tournament 2023 Gauteng Top Schools				Tournament 2025 D2 Schools League Finals
		date 2023-08-19	rnd 3	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Hlonyane, L (Lebohang)				Opponent Seete, T (Thiti)
2	2	Tournament D2 School League Finals 2023				Tournament 2023 Gauteng Top Schools
		date 2023-07-22	rnd 5	type Standard	result 1	date 2023-08-19	rnd 1	type Standard	result 1
		Opponent Ferreira, T (Teagan)				Opponent Du Plooy, A (Abigail)
3	2	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-07-22	rnd 2	type Standard	result 1
		Opponent Mmbadi, O (Obadiah)				Opponent Ferreira, T (Teagan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2025 D2 Schools League Finals				Tournament 2025 D2 Schools League Finals
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Mpanjukelwa, L (Luthando)				Opponent Seete, T (Thiti)
2	5	Tournament 2023 Gauteng Top Schools				Tournament Paarl Boys' High Chess Festival 2024
		date 2023-08-19	rnd 3	type Standard	result 1	date 2024-10-04	rnd 2	type Standard	result 1
		Opponent Hlonyane, L (Lebohang)				Opponent Saaiman, N (Naylan)
3	4	Tournament Grey College Team Championship 2025				Tournament Grey College Team Championship 2025
		date 2025-02-21	rnd 1	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Louwrens, C (Christo)				Opponent Van De Vyver, W (Wian)

#	Games	Start				End
1	5	Tournament 2025 D2 Schools League Finals				Tournament 2025 D2 Schools League Finals
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Mpanjukelwa, L (Luthando)				Opponent Seete, T (Thiti)
2	5	Tournament 2023 Gauteng Top Schools				Tournament Paarl Boys' High Chess Festival 2024
		date 2023-08-19	rnd 3	type Standard	result 1	date 2024-10-04	rnd 2	type Standard	result 1
		Opponent Hlonyane, L (Lebohang)				Opponent Saaiman, N (Naylan)
3	4	Tournament Grey College Team Championship 2025				Tournament Grey College Team Championship 2025
		date 2025-02-21	rnd 1	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Louwrens, C (Christo)				Opponent Van De Vyver, W (Wian)

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	Ferreira ,T (Teagan)	4	4	425	4	4	425	0	0	0	0	0	0
1	Ferreira ,T (Teagan)	4	1160.9	1585.9	4	1154.5	1585.9	0	0	0	0	0	0
2	Van De Vyver ,W (Wian)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Van De Vyver ,W (Wian)	2	1297.3	1509.8	2	1278.9	1509.8	0	0	0	0	0	0
3	Mmbadi ,O (Obadiah)	2	1	0	2	1	0	0	0	0	0	0	0
3	Mmbadi ,O (Obadiah)	2	1396.5	1396.5	2	1397.4	1396.5	0	0	0	0	0	0
4	Mbesi ,S (Samkelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mbesi ,S (Samkelo)	1	1348.3	923.3	1	1358.3	923.3	0	0	0	0	0	0
5	Louwrens ,C (Christo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Louwrens ,C (Christo)	1	1186.1	1611.1	1	1185.2	1611.1	0	0	0	0	0	0
6	Shomolekae ,D (Didintle)	1	1	425	1	1	425	0	0	0	0	0	0
6	Shomolekae ,D (Didintle)	1	1262.3	1687.3	1	1276	1687.3	0	0	0	0	0	0
7	Visser ,J (Jacob)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Visser ,J (Jacob)	1	1263	1263	1	1279.8	1263	0	0	0	0	0	0
8	Du Plessis ,W (Willem)	1	1	425	1	1	425	0	0	0	0	0	0
8	Du Plessis ,W (Willem)	1	1253.6	1678.6	1	1263.9	1678.6	0	0	0	0	0	0
9	Sirwe ,O (Oratile)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Sirwe ,O (Oratile)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Mohale ,K (Katleho)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mohale ,K (Katleho)	1	1255.8	1680.8	1	1267.6	1680.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Black, W (Waldo)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms