Chess South Africa Ratings Database

PLAYER PAGE

Personal

Blum, D (Devin)

Chess SA id

1140151985

FIDE id

Date of birth

2014-11-04 (U12)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1205.4	1221.6	1187.7	1200
Raw rating	1205.4	1221.6	1187.7	1200
Weighted rating	1204.8	1221.6	1186.8	1200
Weighted performance	0	0	0	0
Floor	749.2	721.6	760	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.5	160.8	168.7	165.8
Highest rating	1370.8 2023-08-01	1296.2 2023-02-01	1520.9 2023-08-01	1200 2018-10-01
Highest raw rating	1249.2 2023-09-01	1221.6 2024-03-01	1260 2023-09-01	1200 2024-03-01
Highest weighted rating	1249.2 2023-09-01	1221.6 2025-02-01	1260 2023-09-01	1200 2018-10-01
Highest weighted performance	1370.8 2023-08-01	1296.2 2023-02-01	1520.9 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1205.4	1221.6	1187.7	1200
Analysis
Rating	1205.4	1221.6	1187.7	1200
Raw rating	1205.4	1221.6	1187.7	1200
Weighted rating	1204.8	1221.6	1186.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	749.2	721.6	760	700
Max/Min rating change allowed	164.5	160.8	168.7	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	1205.4	1221.6	1187.7	1200
New weighted rating	1204.9	1221.6	1186.9	1200
New weighted performance	0	0	0	0
Temp new rating	1205.4	1221.6	1187.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1205.4	1221.6	1187.7	1200
New K-factor	36	36	36	36
New floor	749.2	721.6	760	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	14	5	9
	0	0	0
	0	0	0
History	14	5	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
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	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
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	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	14	7	50	0	1215.7	1215.7
Standard	5	3	60	85	1199.5	1284.5
Rapid	9	4	44.44	-47.2	1224.6	1177.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1205.4	1221.6	1187.7	1200
2025-09-01	1205.4	1221.6	1187.7	1200
2025-08-01	1205.4	1221.6	1187.7	1200
2025-07-01	1205.4	1221.6	1187.7	1200
2025-06-01	1205.4	1221.6	1187.7	1200
2025-05-01	1205.4	1221.6	1187.7	1200
2025-04-01	1205.4	1221.6	1187.7	1200
2025-03-01	1205.4	1221.6	1187.7	1200
2025-02-01	1205.4	1221.6	1187.7	1200
2025-01-01	1203.8	1221.6	1185.5	1200
2024-12-01	1203.8	1221.6	1185.5	1200
2024-11-01	1203.8	1221.6	1185.5	1200
2024-10-01	1203.8	1221.6	1185.5	1200
2024-09-01	1203.8	1221.6	1185.5	1200
2024-08-01	1203.8	1221.6	1185.5	1200
2024-07-01	1203.8	1221.6	1185.5	1200
2024-06-01	1203.8	1221.6	1185.5	1200
2024-08-01	1203.8	1221.6	1185.5	1200
2024-04-01	1203.8	1221.6	1185.5	1200
2024-03-01	1203.8	1221.6	1185.5	1200
2024-02-01	1203.8	1221.6	1185.5	1200
2024-01-01	1203.8	1221.6	1185.5	1200
2023-12-01	1203.8	1221.6	1185.5	1200
2023-11-01	1203.8	1221.6	1185.5	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	Mpumalanga Final 2023 (U9)	2023-09-02	2023-09-02	Rapid	Gert Sibande (MGS)	5	5	0.5	Yes	Analysis
2	Interprimary 2023 (U9)	2023-08-05	2023-08-05	Rapid	Ehlanzeni (MEN)	5	4	3.5	Yes	Analysis
3	Uplands Chess Tournament 2023 (U12)	2023-02-25	2023-02-25	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 2	type Rapid	result 1	date 2023-08-05	rnd 5	type Rapid	result 1
		Opponent Christie, J (Judah)				Opponent Abdul, R (Ramaysa)
2	2	Tournament Uplands Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-25	rnd 1	type Standard	result 1	date 2023-02-25	rnd 2	type Standard	result 1
		Opponent Nobela, B (Blessing)				Opponent Mphephu, U (Unarine)
3	1	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 2	type Rapid	result 0.5	date 2023-09-02	rnd 2	type Rapid	result 0.5
		Opponent Fourie, A (Adrian)				Opponent Fourie, A (Adrian)

#	Games	Start				End
1	2	Tournament Uplands Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-25	rnd 1	type Standard	result 1	date 2023-02-25	rnd 2	type Standard	result 1
		Opponent Nobela, B (Blessing)				Opponent Mphephu, U (Unarine)
2	1	Tournament Uplands Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-25	rnd 4	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Lombard, R (Roan)				Opponent Lombard, R (Roan)

#	Games	Start				End
1	4	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 2	type Rapid	result 1	date 2023-08-05	rnd 5	type Rapid	result 1
		Opponent Christie, J (Judah)				Opponent Abdul, R (Ramaysa)
2	1	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 2	type Rapid	result 0.5	date 2023-09-02	rnd 2	type Rapid	result 0.5
		Opponent Fourie, A (Adrian)				Opponent Fourie, A (Adrian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 2	type Rapid	result 1	date 2023-08-05	rnd 3	type Rapid	result 1
		Opponent Christie, J (Judah)				Opponent Fourie, R (Reinhart)
2	2	Tournament Uplands Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-25	rnd 1	type Standard	result 1	date 2023-02-25	rnd 2	type Standard	result 1
		Opponent Nobela, B (Blessing)				Opponent Mphephu, U (Unarine)
3	1	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 5	type Rapid	result 1	date 2023-08-05	rnd 5	type Rapid	result 1
		Opponent Abdul, R (Ramaysa)				Opponent Abdul, R (Ramaysa)

#	Games	Start				End
1	2	Tournament Uplands Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-25	rnd 1	type Standard	result 1	date 2023-02-25	rnd 2	type Standard	result 1
		Opponent Nobela, B (Blessing)				Opponent Mphephu, U (Unarine)
2	1	Tournament Uplands Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-25	rnd 4	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Lombard, R (Roan)				Opponent Lombard, R (Roan)

#	Games	Start				End
1	2	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 2	type Rapid	result 1	date 2023-08-05	rnd 3	type Rapid	result 1
		Opponent Christie, J (Judah)				Opponent Fourie, R (Reinhart)
2	1	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 5	type Rapid	result 1	date 2023-08-05	rnd 5	type Rapid	result 1
		Opponent Abdul, R (Ramaysa)				Opponent Abdul, R (Ramaysa)

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	Christie ,J (Judah)	2	1	0	0	0	0	2	1	0	0	0	0
1	Christie ,J (Judah)	2	1234.6	1234.6	0	0	0	2	1240	1234.6	0	0	0
2	Lombard ,R (Roan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Lombard ,R (Roan)	1	1197.7	1622.7	1	1202.8	1622.7	0	0	0	0	0	0
3	Nobela ,B (Blessing)	1	1	425	1	1	425	0	0	0	0	0	0
3	Nobela ,B (Blessing)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Nobela ,A (Anele)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Nobela ,A (Anele)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Mphephu ,U (Unarine)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mphephu ,U (Unarine)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Vaiga ,V (Vilavathu)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Vaiga ,V (Vilavathu)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Abdul ,R (Ramaysa)	1	1	425	0	0	0	1	1	425	0	0	0
7	Abdul ,R (Ramaysa)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Malinda ,A (Awili)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
8	Malinda ,A (Awili)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
9	Kruger ,J (Jannes)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Kruger ,J (Jannes)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Fourie ,R (Reinhart)	1	1	425	0	0	0	1	1	425	0	0	0
10	Fourie ,R (Reinhart)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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Personal

Blum, D (Devin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms