Chess South Africa Ratings Database

PLAYER PAGE

Personal

Seduma, B (Blondie)

Chess SA id

1930097680

FIDE id

Date of birth

1993-03-01 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1390.2	1221.8	1399.2	1300
Raw rating	1390.2	1221.8	1399.2	1300
Weighted rating	1308.5	1221.8	1313.1	1299.7
Weighted performance	1368.4	0	1327.4	0
Floor	890.2	721.8	899.2	800
K-factor	36	36	36	36
Min/Max rating change allowed	126.5	160.7	124.8	143.8
Highest rating	1399.3 2025-09-01	1234 2020-11-01	1399.2 2025-09-01	1300 2024-02-01
Highest raw rating	1390.2 2025-09-01	1221.8 2024-02-01	1399.2 2025-09-01	1300 2024-02-01
Highest weighted rating	1289.6 2025-09-01	1221.8 2025-08-01	1293.1 2025-09-01	1296.7 2025-08-01
Highest weighted performance	1399.3 2025-09-01	1234 2020-11-01	1357.4 2025-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1390.2	1221.8	1399.2	1300
Analysis
Rating	1390.2	1221.8	1399.2	1300
Raw rating	1390.2	1221.8	1399.2	1300
Weighted rating	1308.5	1221.8	1313.1
Weighted performance	1368.4	0	1327.4
K-factor	36	36	36	36
Floor	890.2	721.8	899.2	800
Max/Min rating change allowed	126.5	160.7	124.8	143.8
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	1390.2	1221.8	1399.2	1300
New weighted rating	1317	1221.8	1322.1	1300
New weighted performance	1359.8	0	1319	0
Temp new rating	1390.2	1221.8	1399.2	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1390.2	1221.8	1399.2	1300
New K-factor	36	36	40	36
New floor	890.2	721.8	899.2	800

Item	Main	Standard	Rapid
	0	0	0
	20	0	20
	6	0	6
	6	0	6
	0	0	0
	0	0	0
History	42	10	32

Games since
	Main 26	Standard 0		Rapid 26		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	529		94		47
Male	456		78		43
Adult	153		48		33
Adult Male	146		45		31
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	20	10.5	52.5	21.2	1613.9	1635.1
Standard	0	0	0	0	0	0
Rapid	20	10.5	52.5	21.2	1613.9	1635.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	42	21.5	51.19	10.1	1410.4	1420.6
Standard	10	6	60	85	1113.8	1198.8
Rapid	32	15.5	48.44	-13.3	1503.1	1489.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1390.2	1221.8	1399.2	1300
2025-09-30	1390.2	1221.8	1399.2	1300
2025-09-01	1390.2	1221.8	1399.2	1300
2025-08-01	1310.4	1221.8	1324.5	1300
2025-07-01	1310.4	1221.8	1324.5	1300
2025-06-01	1310.4	1221.8	1324.5	1300
2025-05-01	1310.4	1221.8	1324.5	1300
2025-04-01	1310.4	1221.8	1324.5	1300
2025-03-01	1310.4	1221.8	1324.5	1300
2025-02-01	1310.4	1221.8	1324.5	1300
2025-01-01	1256.5	1221.8	1235.8	1300
2024-12-01	1256.5	1221.8	1235.8	1300
2024-11-01	1256.5	1221.8	1235.8	1300
2024-10-01	1256.5	1221.8	1235.8	1300
2024-09-01	1256.5	1221.8	1235.8	1300
2024-08-01	1256.5	1221.8	1235.8	1300
2024-07-01	1245.7	1221.8	1257.8	1300
2024-09-01	1245.7	1221.8	1257.8	1300
2024-05-01	1245.7	1221.8	1257.8	1300
2024-04-01	1245.7	1221.8	1257.8	1300
2024-03-01	1245.7	1221.8	1257.8	1300
2024-02-01	1245.7	1221.8	1257.8	1300
2024-01-01	1245.7	1221.8	1257.8	1300
2023-12-01	1210.1	1220.4	1197.2	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	Polokwane Open Chess Campionships 2025 (A)	2025-08-02	2025-08-02	Rapid	Capricorn (LCP)	7	7	3	Yes	Analysis
2	Kolano Limpopo Open Rapid Chess Championship 2025	2025-07-19	2025-07-19	Rapid	Capricorn (LCP)	7	7	3	Yes	Analysis
3	Machaba Open 2025 (A)	2025-01-04	2025-01-04	Rapid	Capricorn (LCP)	6	6	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Polokwane Open Chess Campionships 2025 (A)	2025-08-02	2025-08-02	Rapid	Capricorn (LCP)	7	7	3	Yes	Analysis
2	Kolano Limpopo Open Rapid Chess Championship 2025	2025-07-19	2025-07-19	Rapid	Capricorn (LCP)	7	7	3	Yes	Analysis
3	Machaba Open 2025 (A)	2025-01-04	2025-01-04	Rapid	Capricorn (LCP)	6	6	4.5	Yes	Analysis
4	Mopani Open 2024 (A)	2024-07-13	2024-07-13	Rapid	Mopani (LMG)	6	6	2.5	Yes	Analysis
5	2023 Womens Day Open Chess Tournament	2023-08-09	2023-08-09	Rapid	Capricorn (LCP)	6	6	2.5	Yes	Analysis
6	Ekurhuleni Chess Kempton Park Open 2020 (D)	2020-11-21	2020-11-21	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
7	JCC Wits 2018 (B)	2018-02-25	2018-02-25	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis

#	Games	Start				End
1	8	Tournament Machaba Open 2025				Tournament Kolano Limpopo Open Rapid Chess Championship 2025
		date 2025-01-04	rnd 2	type Rapid	result 1	date 2025-07-19	rnd 3	type Rapid	result 1
		Opponent Mudau, M (Mbangiseni)				Opponent Sedibeng, K (Kamogelo)
2	7	Tournament Ekurhuleni Chess Kempton Park Open 2020				Tournament 2023 Womens Day Open Chess Tournament
		date 2020-11-21	rnd 1	type Standard	result 1	date 2023-08-09	rnd 2	type Rapid	result 1
		Opponent Berry, R (Robe)				Opponent Mahomole, MJ (Mahlodi)
3	3	Tournament 2023 Womens Day Open Chess Tournament				Tournament Mopani Open 2024
		date 2023-08-09	rnd 6	type Rapid	result 0.5	date 2024-07-13	rnd 2	type Rapid	result 0.5
		Opponent Senwamadi, P (Potlako)				Opponent Mahomole, MJ (Mahlodi)

#	Games	Start				End
1	5	Tournament Ekurhuleni Chess Kempton Park Open 2020				Tournament Ekurhuleni Chess Kempton Park Open 2020
		date 2020-11-21	rnd 1	type Standard	result 1	date 2020-11-21	rnd 5	type Standard	result 1
		Opponent Berry, R (Robe)				Opponent Netshimbupfe, Y (Yoanda)
2	1	Tournament JCC Wits 2018				Tournament JCC Wits 2018
		date 2018-02-25	rnd 1	type Standard	result 1	date 2018-02-25	rnd 1	type Standard	result 1
		Opponent Aldum, R (Rocco)				Opponent Aldum, R (Rocco)

#	Games	Start				End
1	8	Tournament Machaba Open 2025				Tournament Kolano Limpopo Open Rapid Chess Championship 2025
		date 2025-01-04	rnd 2	type Rapid	result 1	date 2025-07-19	rnd 3	type Rapid	result 1
		Opponent Mudau, M (Mbangiseni)				Opponent Sedibeng, K (Kamogelo)
2	3	Tournament 2023 Womens Day Open Chess Tournament				Tournament Mopani Open 2024
		date 2023-08-09	rnd 6	type Rapid	result 0.5	date 2024-07-13	rnd 2	type Rapid	result 0.5
		Opponent Senwamadi, P (Potlako)				Opponent Mahomole, MJ (Mahlodi)
3	2	Tournament 2023 Womens Day Open Chess Tournament				Tournament 2023 Womens Day Open Chess Tournament
		date 2023-08-09	rnd 1	type Rapid	result 1	date 2023-08-09	rnd 2	type Rapid	result 1
		Opponent Ramoadi, PNB (Brilliant)				Opponent Mahomole, MJ (Mahlodi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Ekurhuleni Chess Kempton Park Open 2020				Tournament 2023 Womens Day Open Chess Tournament
		date 2020-11-21	rnd 1	type Standard	result 1	date 2023-08-09	rnd 2	type Rapid	result 1
		Opponent Berry, R (Robe)				Opponent Mahomole, MJ (Mahlodi)
2	4	Tournament Machaba Open 2025				Tournament Machaba Open 2025
		date 2025-01-04	rnd 2	type Rapid	result 1	date 2025-01-04	rnd 5	type Rapid	result 1
		Opponent Mudau, M (Mbangiseni)				Opponent Mahomole, MJ (Mahlodi Johannes)
3	3	Tournament Kolano Limpopo Open Rapid Chess Championship 2025				Tournament Kolano Limpopo Open Rapid Chess Championship 2025
		date 2025-07-19	rnd 1	type Rapid	result 1	date 2025-07-19	rnd 3	type Rapid	result 1
		Opponent Mmola, T (Tumelo)				Opponent Sedibeng, K (Kamogelo)

#	Games	Start				End
1	5	Tournament Ekurhuleni Chess Kempton Park Open 2020				Tournament Ekurhuleni Chess Kempton Park Open 2020
		date 2020-11-21	rnd 1	type Standard	result 1	date 2020-11-21	rnd 5	type Standard	result 1
		Opponent Berry, R (Robe)				Opponent Netshimbupfe, Y (Yoanda)
2	1	Tournament JCC Wits 2018				Tournament JCC Wits 2018
		date 2018-02-25	rnd 1	type Standard	result 1	date 2018-02-25	rnd 1	type Standard	result 1
		Opponent Aldum, R (Rocco)				Opponent Aldum, R (Rocco)

#	Games	Start				End
1	4	Tournament Machaba Open 2025				Tournament Machaba Open 2025
		date 2025-01-04	rnd 2	type Rapid	result 1	date 2025-01-04	rnd 5	type Rapid	result 1
		Opponent Mudau, M (Mbangiseni)				Opponent Mahomole, MJ (Mahlodi Johannes)
2	3	Tournament Kolano Limpopo Open Rapid Chess Championship 2025				Tournament Kolano Limpopo Open Rapid Chess Championship 2025
		date 2025-07-19	rnd 1	type Rapid	result 1	date 2025-07-19	rnd 3	type Rapid	result 1
		Opponent Mmola, T (Tumelo)				Opponent Sedibeng, K (Kamogelo)
3	2	Tournament 2023 Womens Day Open Chess Tournament				Tournament 2023 Womens Day Open Chess Tournament
		date 2023-08-09	rnd 1	type Rapid	result 1	date 2023-08-09	rnd 2	type Rapid	result 1
		Opponent Ramoadi, PNB (Brilliant)				Opponent Mahomole, MJ (Mahlodi)

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	Mahomole ,MJ (Mahlodi Johannes)	3	2.5	283.3	0	0	0	3	2.5	283.3	0	0	0
1	Mahomole ,MJ (Mahlodi Johannes)	3	1478.9	1762.3	0	0	0	3	1475.7	1762.3	0	0	0
2	Mmola ,T (Tumelo)	2	2	425	0	0	0	2	2	425	0	0	0
2	Mmola ,T (Tumelo)	2	1727.8	2152.8	0	0	0	2	1712.3	2152.8	0	0	0
3	Rampfumedzi ,M (Mulanga)	2	1	0	0	0	0	2	1	0	0	0	0
3	Rampfumedzi ,M (Mulanga)	2	1487.2	1487.2	0	0	0	2	1295.6	1487.2	0	0	0
4	Mailula ,M (Matsobane)	2	0	-425	0	0	0	2	0	-425	0	0	0
4	Mailula ,M (Matsobane)	2	2017.4	1592.4	0	0	0	2	1847.4	1592.4	0	0	0
5	Lekgothoane ,N (Noko)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Lekgothoane ,N (Noko)	2	1208.9	783.9	0	0	0	2	1226.6	783.9	0	0	0
6	Aldum ,R (Rocco)	1	1	425	1	1	425	0	0	0	0	0	0
6	Aldum ,R (Rocco)	1	1064.4	1489.4	1	1065	1489.4	0	0	0	0	0	0
7	Allison ,LM (Liam Mark)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Allison ,LM (Liam Mark)	1	981.8	556.8	1	987.2	556.8	0	0	0	0	0	0
8	Seema ,L (Leon)	1	1	425	1	1	425	0	0	0	0	0	0
8	Seema ,L (Leon)	1	1107	1532	1	1090.4	1532	0	0	0	0	0	0
9	Berry ,R (Robe)	1	1	425	1	1	425	0	0	0	0	0	0
9	Berry ,R (Robe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Lethoba ,M (Masego)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Lethoba ,M (Masego)	1	1045.8	620.8	1	1045.8	620.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Seduma, B (Blondie)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms