Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kobo, J (Joseph)

Chess SA id

198083575

FIDE id

Date of birth

1998-06-21 (Adult)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1306.2	1300.8	1200	1232
Raw rating	1306.2	1300.8	1200	1232
Weighted rating	1296.3	1292.3	1200	1226.1
Weighted performance	0	0	0	0
Floor	806.2	800.8	700	732
K-factor	36	36	36	36
Min/Max rating change allowed	142.5	143.6	165.8	158.4
Highest rating	1306.2 2024-10-01	1615.6 2024-05-01	1200 2018-10-01	1232 2024-10-01
Highest raw rating	1306.2 2024-10-01	1300.8 2024-09-01	1200 2024-02-01	1232 2024-10-01
Highest weighted rating	1286.9 2025-08-01	1283.7 2025-08-01	1200 2018-10-01	1222.3 2025-08-01
Highest weighted performance	1265 2024-09-01	1615.6 2024-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1306.2	1300.8	1200	1232
Analysis
Rating	1306.2	1300.8	1200	1232
Raw rating	1306.2	1300.8	1200	1232
Weighted rating	1296.3	1292.3	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	806.2	800.8	700	732
Max/Min rating change allowed	142.5	143.6	165.8	158.4
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	1306.2	1300.8	1200	1232
New weighted rating	1298.7	1294.5	1200	1227.2
New weighted performance	0	0	0	0
Temp new rating	1306.2	1300.8	1200	1232
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1306.2	1300.8	1200	1232
New K-factor	36	36	36	36
New floor	806.2	800.8	700	732

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	16	9	7
	0	0	0
	0	0	0
	0	0	0
History	16	9	7

Games since
	Main 16	Standard 9		Rapid 0		Blitz 7
Gender	Male
Age group	Adult
Region	Mangaung (FMB)
Province	Free State (FS)
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	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	9	56.25	53.1	1451.3	1504.4
Standard	9	5	55.56	47.2	1478.5	1525.8
Rapid	0	0	0	0	0	0
Blitz	7	4	57.14	60.7	1416.3	1477

Date	Main	Standard	Rapid	Blitz
2025-11-01	1306.2	1300.8	1200	1232
2025-09-30	1306.2	1300.8	1200	1232
2025-09-01	1306.2	1300.8	1200	1232
2025-08-01	1306.2	1300.8	1200	1232
2025-07-01	1306.2	1300.8	1200	1232
2025-06-01	1306.2	1300.8	1200	1232
2025-05-01	1306.2	1300.8	1200	1232
2025-04-01	1306.2	1300.8	1200	1232
2025-03-01	1306.2	1300.8	1200	1232
2025-02-01	1306.2	1300.8	1200	1232
2025-01-01	1306.2	1300.8	1200	1232
2024-12-01	1306.2	1300.8	1200	1232
2024-11-01	1306.2	1300.8	1200	1232
2024-10-01	1306.2	1300.8	1200	1232
2024-09-01	1296.9	1300.8	1200	1200
2024-08-01	1278.8	1282.8	1200	1200
2024-07-01	1278.8	1282.8	1200	1200
2024-09-01	1278.8	1282.8	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	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

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	Smart Chess Blitz 2024 (A)	2024-09-07	2024-09-07	Blitz	Mangaung (FMB)	7	7	4	Yes	Analysis
2	Morris Club Championship 2024	2024-07-26	2024-07-27	Standard	Mangaung (FMB)	5	4	2	Yes	Analysis
3	10th Piet van Zyl Chess Festival 2024 (A+B)	2024-05-24	2024-05-25	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
4	Smart Chess Blitz 2022 (Open)	2022-05-07	2022-05-07	Blitz	Mangaung (FMB)	7	0	0	No	Analysis

#	Games	Start				End
1	4	Tournament 10th Piet van Zyl Chess Festival 2024				Tournament 10th Piet van Zyl Chess Festival 2024
		date 2024-05-24	rnd 1	type Standard	result 0.5	date 2024-05-25	rnd 4	type Standard	result 0.5
		Opponent Smit, A (Albert)				Opponent De Lange, C (Christo)
2	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 6	type Blitz	result 1	date 2024-09-07	rnd 7	type Blitz	result 1
		Opponent Maleka, Q (Qosho Thabang)				Opponent Halter, P (Prince)
3	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 3	type Blitz	result 1	date 2024-09-07	rnd 4	type Blitz	result 1
		Opponent Kabuya, F (Frank)				Opponent Madibe, S (Sibusiso)

#	Games	Start				End
1	4	Tournament 10th Piet van Zyl Chess Festival 2024				Tournament 10th Piet van Zyl Chess Festival 2024
		date 2024-05-24	rnd 1	type Standard	result 0.5	date 2024-05-25	rnd 4	type Standard	result 0.5
		Opponent Smit, A (Albert)				Opponent De Lange, C (Christo)
2	1	Tournament Morris Club Championship 2024				Tournament Morris Club Championship 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Boje, E (Ewald)				Opponent Boje, E (Ewald)
3	1	Tournament Morris Club Championship 2024				Tournament Morris Club Championship 2024
		date 2024-07-26	rnd 2	type Standard	result 1	date 2024-07-26	rnd 2	type Standard	result 1
		Opponent Gulwa, Z (Zintle)				Opponent Gulwa, Z (Zintle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 6	type Blitz	result 1	date 2024-09-07	rnd 7	type Blitz	result 1
		Opponent Maleka, Q (Qosho Thabang)				Opponent Halter, P (Prince)
2	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 3	type Blitz	result 1	date 2024-09-07	rnd 4	type Blitz	result 1
		Opponent Kabuya, F (Frank)				Opponent Madibe, S (Sibusiso)

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 6	type Blitz	result 1	date 2024-09-07	rnd 7	type Blitz	result 1
		Opponent Maleka, Q (Qosho Thabang)				Opponent Halter, P (Prince)
2	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 3	type Blitz	result 1	date 2024-09-07	rnd 4	type Blitz	result 1
		Opponent Kabuya, F (Frank)				Opponent Madibe, S (Sibusiso)
3	2	Tournament 10th Piet van Zyl Chess Festival 2024				Tournament 10th Piet van Zyl Chess Festival 2024
		date 2024-05-24	rnd 2	type Standard	result 1	date 2024-05-25	rnd 3	type Standard	result 1
		Opponent Madibe, S (Sibusiso)				Opponent Eliades, AK (Alexandros)

#	Games	Start				End
1	2	Tournament 10th Piet van Zyl Chess Festival 2024				Tournament 10th Piet van Zyl Chess Festival 2024
		date 2024-05-24	rnd 2	type Standard	result 1	date 2024-05-25	rnd 3	type Standard	result 1
		Opponent Madibe, S (Sibusiso)				Opponent Eliades, AK (Alexandros)
2	1	Tournament Morris Club Championship 2024				Tournament Morris Club Championship 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Boje, E (Ewald)				Opponent Boje, E (Ewald)
3	1	Tournament Morris Club Championship 2024				Tournament Morris Club Championship 2024
		date 2024-07-26	rnd 2	type Standard	result 1	date 2024-07-26	rnd 2	type Standard	result 1
		Opponent Gulwa, Z (Zintle)				Opponent Gulwa, Z (Zintle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 6	type Blitz	result 1	date 2024-09-07	rnd 7	type Blitz	result 1
		Opponent Maleka, Q (Qosho Thabang)				Opponent Halter, P (Prince)
2	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 3	type Blitz	result 1	date 2024-09-07	rnd 4	type Blitz	result 1
		Opponent Kabuya, F (Frank)				Opponent Madibe, S (Sibusiso)

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	Madibe ,S (Sibusiso)	2	2	425	1	1	425	0	0	0	1	1	425
1	Madibe ,S (Sibusiso)	2	1385.7	1810.7	1	1396	1810.7	0	0	0	1	1396	1810.7
2	Boje ,E (Ewald)	1	1	425	1	1	425	0	0	0	0	0	0
2	Boje ,E (Ewald)	1	1165.7	1590.7	1	1108.2	1590.7	0	0	0	0	0	0
3	Modirwa ,O (Ofentse)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Modirwa ,O (Ofentse)	1	1728.2	1303.2	1	1792.2	1303.2	0	0	0	0	0	0
4	De Lange ,C (Christo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	De Lange ,C (Christo)	1	1585.6	1585.6	1	1564.9	1585.6	0	0	0	0	0	0
5	Gulwa ,Z (Zintle)	1	1	425	1	1	425	0	0	0	0	0	0
5	Gulwa ,Z (Zintle)	1	1263.1	1688.1	1	1251.2	1688.1	0	0	0	0	0	0
6	Minnies ,WET (Wayne Eugene)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Minnies ,WET (Wayne Eugene)	1	1531.5	1106.5	1	1524.9	1106.5	0	0	0	0	0	0
7	Smit ,A (Albert)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Smit ,A (Albert)	1	1502	1502	1	1539.6	1502	0	0	0	0	0	0
8	Vermeulen ,GB (George Barrett)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Vermeulen ,GB (George Barrett)	1	1663.2	1238.2	1	1642.5	1238.2	0	0	0	0	0	0
9	Eliades ,AK (Alexandros Kyriacos)	1	1	425	1	1	425	0	0	0	0	0	0
9	Eliades ,AK (Alexandros Kyriacos)	1	1471.8	1896.8	1	1444	1896.8	0	0	0	0	0	0
10	Kabuya ,F (Frank)	1	1	425	0	0	0	0	0	0	1	1	425
10	Kabuya ,F (Frank)	1	1107.4	1532.4	0	0	0	0	0	0	1	700	1532.4

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Kobo, J (Joseph)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms