Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mannel, D (Devin)

Chess SA id

1120321628

FIDE id

Date of birth

2012-12-04 (U14)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1199.7	1200	1199.7	1200
Raw rating	1199.1	1200	1199	1200
Weighted rating	1199.7	1200	1199.7	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	40	36	40	36
Min/Max rating change allowed	166	165.8	166.1	165.8
Highest rating	1200 2025-07-01	1200 2025-06-01	1200 2025-07-01	1200 2025-06-01
Highest raw rating	1200 2025-07-01	1200 2025-06-01	1200 2025-07-01	1200 2025-06-01
Highest weighted rating	1200 2025-07-01	1200 2025-06-01	1200 2025-07-01	1200 2025-06-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.1	0	-0.1	0
New rating	1199.7	1200	1199.6	1200
Analysis
Rating	1199.7	1200	1199.7	1200
Raw rating	1199.1	1200	1199	1200
Weighted rating	1199.7	1200	1199.7
Weighted performance	0	0	0
K-factor	40	36	40	36
Floor	700	700	700	700
Max/Min rating change allowed	166	165.8	166.1	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	1199.1	1200	1199	1200
New weighted rating	1199.7	1200	1199.6	1200
New weighted performance	0	0	0	0
Temp new rating	1199.7	1200	1199.6	1200
Temp new rating +/-	-0.1	0	-0.1	0
Final new rating +/-	-0.1	0	-0.1	0
New rating	1199.7	1200	1199.6	1200
New K-factor	40	36	40	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	10	10
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 0		Rapid 10		Blitz 0
Gender	Male
Age group	U14
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	4.5	45	-42.5	1203.9	1161.4
Standard	0	0	0	0	0	0
Rapid	10	4.5	45	-42.5	1203.9	1161.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4.5	45	-42.5	1203.9	1161.4
Standard	0	0	0	0	0	0
Rapid	10	4.5	45	-42.5	1203.9	1161.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1199.1	1200	1199	1200
2025-09-30	1199.1	1200	1199	1200
2025-09-01	1199.1	1200	1199	1200
2025-08-01	1199.1	1200	1199	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1199.8	1200	1199.8	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	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

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Upper West Coast Top Schools 2025 (U15)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
2	Brenton Cupido West Coast Development Championship 2025 (U13 Boys)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Upper West Coast Top Schools 2025 (U15)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
2	Brenton Cupido West Coast Development Championship 2025 (U13 Boys)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-24	rnd 2	type Rapid	result 1	date 2025-05-24	rnd 4	type Rapid	result 0.5
		Opponent Bede, K (Khayone)				Opponent Sikulu, L (Lunje)
2	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 4	type Rapid	result 1	date 2025-06-14	rnd 4	type Rapid	result 1
		Opponent Botha, R (Randzu)				Opponent Botha, R (Randzu)
3	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 2	type Rapid	result 1	date 2025-06-14	rnd 2	type Rapid	result 1
		Opponent Rusike, S (Samantha)				Opponent Rusike, S (Samantha)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-24	rnd 2	type Rapid	result 1	date 2025-05-24	rnd 4	type Rapid	result 0.5
		Opponent Bede, K (Khayone)				Opponent Sikulu, L (Lunje)
2	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 4	type Rapid	result 1	date 2025-06-14	rnd 4	type Rapid	result 1
		Opponent Botha, R (Randzu)				Opponent Botha, R (Randzu)
3	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 2	type Rapid	result 1	date 2025-06-14	rnd 2	type Rapid	result 1
		Opponent Rusike, S (Samantha)				Opponent Rusike, S (Samantha)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-24	rnd 2	type Rapid	result 1	date 2025-05-24	rnd 3	type Rapid	result 1
		Opponent Bede, K (Khayone)				Opponent Achilles, M (Mikyle)
2	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 4	type Rapid	result 1	date 2025-06-14	rnd 4	type Rapid	result 1
		Opponent Botha, R (Randzu)				Opponent Botha, R (Randzu)
3	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 2	type Rapid	result 1	date 2025-06-14	rnd 2	type Rapid	result 1
		Opponent Rusike, S (Samantha)				Opponent Rusike, S (Samantha)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-24	rnd 2	type Rapid	result 1	date 2025-05-24	rnd 3	type Rapid	result 1
		Opponent Bede, K (Khayone)				Opponent Achilles, M (Mikyle)
2	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 4	type Rapid	result 1	date 2025-06-14	rnd 4	type Rapid	result 1
		Opponent Botha, R (Randzu)				Opponent Botha, R (Randzu)
3	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 2	type Rapid	result 1	date 2025-06-14	rnd 2	type Rapid	result 1
		Opponent Rusike, S (Samantha)				Opponent Rusike, S (Samantha)

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	Ntai ,P (Phomolo)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Ntai ,P (Phomolo)	1	1199.9	774.9	0	0	0	1	1199.9	774.9	0	0	0
2	Cloete ,K (Kayden)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Cloete ,K (Kayden)	1	1357	932	0	0	0	1	1447.7	932	0	0	0
3	Smith ,J (Juvhandre)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Smith ,J (Juvhandre)	1	1169.1	744.1	0	0	0	1	1108.7	744.1	0	0	0
4	Achilles ,M (Mikyle)	1	1	425	0	0	0	1	1	425	0	0	0
4	Achilles ,M (Mikyle)	1	1194.7	1619.7	0	0	0	1	1197.6	1619.7	0	0	0
5	Rusike ,S (Samantha)	1	1	425	0	0	0	1	1	425	0	0	0
5	Rusike ,S (Samantha)	1	1176.4	1601.4	0	0	0	1	1160.1	1601.4	0	0	0
6	Dirks ,R (Ryan)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Dirks ,R (Ryan)	1	1240.9	815.9	0	0	0	1	1311.3	815.9	0	0	0
7	Botha ,R (Randzu)	1	1	425	0	0	0	1	1	425	0	0	0
7	Botha ,R (Randzu)	1	1128.4	1553.4	0	0	0	1	1167.6	1553.4	0	0	0
8	Sikulu ,L (Lunje)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
8	Sikulu ,L (Lunje)	1	1187.3	1187.3	0	0	0	1	1179.2	1187.3	0	0	0
9	Bede ,K (Khayone)	1	1	425	0	0	0	1	1	425	0	0	0
9	Bede ,K (Khayone)	1	1181.9	1606.9	0	0	0	1	1182.8	1606.9	0	0	0
10	Muller ,A (Adrian)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Muller ,A (Adrian)	1	1204.4	779.4	0	0	0	1	1226.2	779.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Mannel, 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