Chess South Africa Ratings Database

PLAYER PAGE

Personal

Gorrah, JAM (Joshua)

Chess SA id

104052409

FIDE id

Date of birth

2004-05-14 (Adult)

Gender

Male

Region

Frances Baard (NCF)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-12-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1427.4	1438.2	1091.9	1091.9
Raw rating	1427.4	1438.2	1091.9	1091.9
Weighted rating	1423.3	1433.6	1091.9	1091.9
Weighted performance	794.5	796	0	0
Floor	927.4	938.2	591.9	591.9
K-factor	32	32	40	40
Min/Max rating change allowed	119.9	118.1	193.4	193.4
Highest rating	1427.4 2025-01-01	1438.2 2025-01-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1427.4 2025-01-01	1438.2 2025-01-01	1091.9 2024-02-01	1091.9 2024-02-01
Highest weighted rating	1422.1 2025-08-01	1432.3 2025-08-01	1091.9 2024-11-01	1091.9 2024-11-01
Highest weighted performance	1409.5 2019-07-01	1420.9 2019-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1427.4	1438.2	1091.9	1091.9
Analysis
Rating	1427.4	1438.2	1091.9	1091.9
Raw rating	1427.4	1438.2	1091.9	1091.9
Weighted rating	1423.3	1433.6	1091.9
Weighted performance	794.5	796	0
K-factor	32	32	40	40
Floor	927.4	938.2	591.9	591.9
Max/Min rating change allowed	119.9	118.1	193.4	193.4
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	1427.4	1438.2	1091.9	1091.9
New weighted rating	1423.9	1434.2	1091.9	1091.9
New weighted performance	794	795.5	0	0
Temp new rating	1427.4	1438.2	1091.9	1091.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1427.4	1438.2	1091.9	1091.9
New K-factor	32	32	40	40
New floor	927.4	938.2	591.9	591.9

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	5	5	0	0
	0	0	0	0
	6	6	0	0
	0	0	0	0
History	324	312	5	7

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Frances Baard (NCF)
Province	Northern Cape (NC)
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	101	71.5	70.79	176.7	1131.7	1308.4
Standard	101	71.5	70.79	176.7	1131.7	1308.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1427.4	1438.2	1091.9	1091.9
2025-09-01	1427.4	1438.2	1091.9	1091.9
2025-08-01	1427.4	1438.2	1091.9	1091.9
2025-07-01	1427.4	1438.2	1091.9	1091.9
2025-06-01	1427.4	1438.2	1091.9	1091.9
2025-05-01	1427.4	1438.2	1091.9	1091.9
2025-04-01	1427.4	1438.2	1091.9	1091.9
2025-03-01	1427.4	1438.2	1091.9	1091.9
2025-02-01	1427.4	1438.2	1091.9	1091.9
2025-01-01	1427.4	1438.2	1091.9	1091.9
2024-12-01	1415.8	1425.1	1091.9	1091.9
2024-11-01	1415.8	1425.1	1091.9	1091.9
2024-10-01	1415.8	1425.1	1091.9	1091.9
2024-09-01	1415.8	1425.1	1091.9	1091.9
2024-08-01	1415.8	1425.1	1091.9	1091.9
2024-07-01	1415.8	1425.1	1091.9	1091.9
2024-06-01	1415.8	1425.1	1091.9	1091.9
2024-08-01	1415.8	1425.1	1091.9	1091.9
2024-04-01	1415.8	1425.1	1091.9	1091.9
2024-03-01	1415.8	1425.1	1091.9	1091.9
2024-02-01	1415.8	1425.1	1091.9	1091.9
2024-01-01	1415.8	1425.1	1091.9	1091.9
2023-12-01	1415.8	1425.1	1091.9	1091.9
2023-11-01	1415.8	1425.1	1091.9	1091.9

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	2024 Kimberley Chess Club Christmas Open (Kings)	2024-12-07	2024-12-07	Standard	Frances Baard (NCF)	5	5	2	Yes	Analysis
2	Moja Open 2022 (B)	2022-03-19	2022-03-22	Standard	Frances Baard (NCF)	7	6	3.5	Yes	Analysis
3	Kimberley Chess Club Schools` Open 2019 (U15 Open)	2019-07-20	2019-07-20	Standard	Frances Baard (NCF)	5	5	5	Yes	Analysis
4	South African Schools Individuals Chess Championships 2019 (U17+U19 Open)	2019-06-18	2019-06-21	Standard	Frances Baard (NCF)	7	7	4	Yes	Analysis
5	Frances Baard IRCC Trials 2019 (U16+U18 Boys)	2019-04-13	2019-04-13	Standard	Frances Baard (NCF)	5	5	4.5	Yes	Analysis
6	Frances Baard Schools Open Tournament 2019 (U15 Boys)	2019-01-29	2019-01-29	Standard	Frances Baard (NCF)	5	5	4.5	Yes	Analysis
7	Sol Plaatje University Chess Club Open 2018 (B)	2018-10-13	2018-10-13	Standard	Frances Baard (NCF)	6	6	3.5	Yes	Analysis
8	Northern Cape Closed Chess Championships 2018 (U16 Open)	2018-08-31	2018-09-01	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
9	Russian Connecxion Chess Club: The Ultimate Reign of Terror 2018 (B+C)	2018-08-03	2018-08-04	Standard	Frances Baard (NCF)	6	6	4.5	Yes	Analysis
10	Kimberley Chess Club Nelson Mandela 67Min Open 2018 (B)	2018-07-20	2018-07-21	Standard	Frances Baard (NCF)	6	6	5.5	Yes	Analysis
11	NC Provincial Schools Eliminations 2018 (U15 Boys)	2018-06-23	2018-06-23	Standard	Frances Baard (NCF)	5	5	4.5	Yes	Analysis
12	Inter Regional 2018 (U16 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
13	Kimberley Chess Club Open FIDE Tournament 2018	2018-04-06	2018-04-07	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
14	Moja Chess Club Open Tournament 2018 (B)	2018-03-02	2018-03-04	Standard	Frances Baard (NCF)	6	6	4.5	Yes	Analysis
15	Frances Baard Schools Eliminations 2018 (U15 Boys)	2018-03-17	2018-03-17	Standard	Frances Baard (NCF)	5	5	5	Yes	Analysis
16	Kimberley Chess Club Open Tournament 2018 (B)	2018-02-03	2018-02-03	Standard	Frances Baard (NCF)	5	5	4.5	Yes	Analysis
17	South African Junior Wildcard Championships 2017 (U14 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
18	South African Junior Team Championships 2017 (U14B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	13	Tournament NC Provincial Schools Eliminations 2018				Tournament Russian Connecxion Chess Club: The Ultimate Reign of Terror 2018
		date 2018-06-23	rnd 1	type Standard	result 1	date 2018-08-03	rnd 2	type Standard	result 1
		Opponent Maritz, T (Thurlo)				Opponent Joseph, D (Donrique)
2	12	Tournament Sol Plaatje University Chess Club Open 2018				Tournament Frances Baard IRCC Trials 2019
		date 2018-10-13	rnd 5	type Standard	result 0.5	date 2019-04-13	rnd 5	type Standard	result 1
		Opponent Shaw, C (Chase)				Opponent Matthews, J (Jonathan)
3	9	Tournament South African Junior Wildcard Championships 2017				Tournament Moja Chess Club Open Tournament 2018
		date 2018-01-12	rnd 7	type Standard	result 1	date 2018-03-03	rnd 3	type Standard	result 0.5
		Opponent Wang, I (Ikai)				Opponent Joseph, D (Donrique)

#	Games	Start				End
1	13	Tournament NC Provincial Schools Eliminations 2018				Tournament Russian Connecxion Chess Club: The Ultimate Reign of Terror 2018
		date 2018-06-23	rnd 1	type Standard	result 1	date 2018-08-03	rnd 2	type Standard	result 1
		Opponent Maritz, T (Thurlo)				Opponent Joseph, D (Donrique)
2	12	Tournament Sol Plaatje University Chess Club Open 2018				Tournament Frances Baard IRCC Trials 2019
		date 2018-10-13	rnd 5	type Standard	result 0.5	date 2019-04-13	rnd 5	type Standard	result 1
		Opponent Shaw, C (Chase)				Opponent Matthews, J (Jonathan)
3	9	Tournament South African Junior Wildcard Championships 2017				Tournament Moja Chess Club Open Tournament 2018
		date 2018-01-12	rnd 7	type Standard	result 1	date 2018-03-03	rnd 3	type Standard	result 0.5
		Opponent Wang, I (Ikai)				Opponent Joseph, D (Donrique)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament South African Schools Individuals Chess Championships 2019				Tournament Moja Open 2022
		date 2019-06-21	rnd 7	type Standard	result 1	date 2022-03-19	rnd 2	type Standard	result 1
		Opponent Greyling, S (Stefan)				Opponent Motsamai, T (Tshenolo)
2	7	Tournament Moja Chess Club Open Tournament 2018				Tournament Frances Baard Schools Eliminations 2018
		date 2018-03-04	rnd 5	type Standard	result 1	date 2018-03-17	rnd 5	type Standard	result 1
		Opponent Mokoena, B (Bonolo)				Opponent Crutse, K (Kgothatso)
3	5	Tournament Sol Plaatje University Chess Club Open 2018				Tournament Frances Baard Schools Open Tournament 2019
		date 2018-10-13	rnd 6	type Standard	result 1	date 2019-01-29	rnd 4	type Standard	result 1
		Opponent Mokgwabone, K (Kgosi)				Opponent Mokalabae, G (Gofaone)

#	Games	Start				End
1	7	Tournament South African Schools Individuals Chess Championships 2019				Tournament Moja Open 2022
		date 2019-06-21	rnd 7	type Standard	result 1	date 2022-03-19	rnd 2	type Standard	result 1
		Opponent Greyling, S (Stefan)				Opponent Motsamai, T (Tshenolo)
2	7	Tournament Moja Chess Club Open Tournament 2018				Tournament Frances Baard Schools Eliminations 2018
		date 2018-03-04	rnd 5	type Standard	result 1	date 2018-03-17	rnd 5	type Standard	result 1
		Opponent Mokoena, B (Bonolo)				Opponent Crutse, K (Kgothatso)
3	5	Tournament Sol Plaatje University Chess Club Open 2018				Tournament Frances Baard Schools Open Tournament 2019
		date 2018-10-13	rnd 6	type Standard	result 1	date 2019-01-29	rnd 4	type Standard	result 1
		Opponent Mokgwabone, K (Kgosi)				Opponent Mokalabae, G (Gofaone)

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	Shaw ,C (Chase)	5	4.5	340	5	4.5	340	0	0	0	0	0	0
1	Shaw ,C (Chase)	5	1100.4	1440.4	5	1102.6	1440.4	0	0	0	0	0	0
2	Mothata ,O (Omaatla)	4	4	425	4	4	425	0	0	0	0	0	0
2	Mothata ,O (Omaatla)	4	1119.3	1544.3	4	1136.7	1544.3	0	0	0	0	0	0
3	Ahjum ,KMK (Kristen)	3	3	425	3	3	425	0	0	0	0	0	0
3	Ahjum ,KMK (Kristen)	3	1041.2	1466.2	3	1055.7	1466.2	0	0	0	0	0	0
4	Joseph ,D (Donrique)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Joseph ,D (Donrique)	3	1233.6	1375.3	3	1238.7	1375.3	0	0	0	0	0	0
5	Daniels ,K (Kutloano)	3	3	425	3	3	425	0	0	0	0	0	0
5	Daniels ,K (Kutloano)	3	1139.8	1564.8	3	1143.7	1564.8	0	0	0	0	0	0
6	Greyling ,S (Stefan)	3	3	425	3	3	425	0	0	0	0	0	0
6	Greyling ,S (Stefan)	3	730	1155	3	762.5	1155	0	0	0	0	0	0
7	Mokgwabone ,K (Kgosi)	2	2	425	2	2	425	0	0	0	0	0	0
7	Mokgwabone ,K (Kgosi)	2	1183.4	1608.4	2	1173.4	1608.4	0	0	0	0	0	0
8	Maupa ,S (Simon)	2	1	0	2	1	0	0	0	0	0	0	0
8	Maupa ,S (Simon)	2	1272.3	1272.3	2	1283.7	1272.3	0	0	0	0	0	0
9	Jacobs ,B (Breyton)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Jacobs ,B (Breyton)	2	1128.6	1341.1	2	1155.3	1341.1	0	0	0	0	0	0
10	Grove ,M (Monique)	2	2	425	2	2	425	0	0	0	0	0	0
10	Grove ,M (Monique)	2	1071.4	1496.4	2	1070.2	1496.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Gorrah, JAM (Joshua)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms