Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coleman, J (Jack)

Chess SA id

1050097437

FIDE id

Date of birth

2005-12-07 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-03-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1105.8	1109.2	1118.4	1200
Raw rating	1105.8	1109.2	1118.4	1200
Weighted rating	1105.8	1109.2	1118.4	1200
Weighted performance	175.1	0	148.4	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	189.6	188.7	186.3	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1105.8	1109.2	1118.4	1200
Analysis
Rating	1105.8	1109.2	1118.4	1200
Raw rating	1105.8	1109.2	1118.4	1200
Weighted rating	1105.8	1109.2	1118.4
Weighted performance	175.1	0	148.4
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	189.6	188.7	186.3	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	1105.8	1109.2	1118.4	1200
New weighted rating	1105.8	1109.2	1118.4	1200
New weighted performance	174.7	0	148	0
Temp new rating	1105.8	1109.2	1118.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1105.8	1109.2	1118.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	59	24	35

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	59	26.5	44.92	-43.2	1075.6	1032.4
Standard	24	10.5	43.75	-53.1	1073.8	1020.7
Rapid	35	16	45.71	-36.4	1076.9	1040.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1105.8	1109.2	1118.4	1200
2025-09-01	1105.8	1109.2	1118.4	1200
2025-08-01	1105.8	1109.2	1118.4	1200
2025-07-01	1105.8	1109.2	1118.4	1200
2025-06-01	1105.8	1109.2	1118.4	1200
2025-05-01	1105.8	1109.2	1118.4	1200
2025-04-01	1105.8	1109.2	1118.4	1200
2025-03-01	1105.8	1109.2	1118.4	1200
2025-02-01	1105.8	1109.2	1118.4	1200
2025-01-01	1105.8	1109.2	1118.4	1200
2024-12-01	1105.8	1109.2	1118.4	1200
2024-11-01	1105.8	1109.2	1118.4	1200
2024-10-01	1105.8	1109.2	1118.4	1200
2024-09-01	1105.8	1109.2	1118.4	1200
2024-08-01	1105.8	1109.2	1118.4	1200
2024-07-01	1105.8	1109.2	1118.4	1200
2024-06-01	1105.8	1109.2	1118.4	1200
2024-08-01	1105.8	1109.2	1118.4	1200
2024-04-01	1105.8	1109.2	1118.4	1200
2024-03-01	1105.8	1109.2	1118.4	1200
2024-02-01	1105.8	1109.2	1118.4	1200
2024-01-01	1105.8	1109.2	1118.4	1200
2023-12-01	1105.8	1109.2	1118.4	1200
2023-11-01	1105.8	1109.2	1118.4	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	Cape Winelands Schools Closed 2019 (U13 Boys)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	7	3	Yes	Analysis
2	CW Schools Open 2019 (U13 Boys)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
3	Drakenstein Dragons Rapid 2019 (U13)	2019-01-19	2019-01-19	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis
4	Courtrai Young Masters 2018 (U12)	2018-10-27	2018-10-27	Rapid	Cape Winelands (WCW)	7	5	2	Yes	Analysis
5	Cape Winelands Schools Chess - Top Schools 2018 (U13 Mix)	2018-07-28	2018-07-28	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
6	Stellenberg Youth Chess Champs 2018 (D)	2018-06-23	2018-06-23	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
7	Eldo Smart Memorial Rapid Tournament 2018	2018-06-16	2018-06-16	Rapid	Cape Town (WCT)	7	7	2	Yes	Analysis
8	Cape Winelands Schools Trials 1 2018 (U11 Boys)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
9	Cape Winelands Schools Prestige 2018 (U11 Boys)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	3.5	Yes	Analysis
10	PHBS Rememberance Tournament 2018 (Youth)	2018-02-23	2018-02-24	Standard	Cape Town (WCT)	6	5	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-03	rnd 4	type Rapid	result 1	date 2018-03-24	rnd 1	type Standard	result 0.5
		Opponent Mostert, I (Isai)				Opponent Adonis, D (Dylan)
2	3	Tournament Stellenberg Youth Chess Champs 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-06-23	rnd 1	type Standard	result 1	date 2018-06-23	rnd 3	type Standard	result 1
		Opponent De Wit, C (Chris)				Opponent Tredoux, E (Etienne)
3	2	Tournament CW Schools Open 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-02-02	rnd 6	type Rapid	result 1	date 2019-03-16	rnd 1	type Standard	result 1
		Opponent Kram, R (Rexandro)				Opponent Van Der Westhuizen, A (Andre)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Prestige 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-03-25	rnd 7	type Standard	result 1	date 2018-06-23	rnd 3	type Standard	result 1
		Opponent Velem, R (Renico)				Opponent Tredoux, E (Etienne)
2	1	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-17	rnd 6	type Standard	result 1	date 2019-03-17	rnd 6	type Standard	result 1
		Opponent Kalismashe, K (Kamva)				Opponent Kalismashe, K (Kamva)
3	1	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-16	rnd 3	type Standard	result 1	date 2019-03-16	rnd 3	type Standard	result 1
		Opponent Venter, D (Daniel)				Opponent Venter, D (Daniel)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 4	type Rapid	result 1	date 2018-03-03	rnd 6	type Rapid	result 1
		Opponent Mostert, I (Isai)				Opponent Carstens, C (Cole)
2	2	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 1	type Rapid	result 1	date 2019-02-02	rnd 2	type Rapid	result 1
		Opponent Nolte, H (Helgard)				Opponent Jacobs, J (Joshua)
3	2	Tournament Courtrai Young Masters 2018				Tournament Courtrai Young Masters 2018
		date 2018-10-27	rnd 2	type Rapid	result 1	date 2018-10-27	rnd 3	type Rapid	result 1
		Opponent Du Preez, K (Kira)				Opponent Venter, P (Phillip)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Stellenberg Youth Chess Champs 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-06-23	rnd 1	type Standard	result 1	date 2018-06-23	rnd 3	type Standard	result 1
		Opponent De Wit, C (Chris)				Opponent Tredoux, E (Etienne)
2	3	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 4	type Rapid	result 1	date 2018-03-03	rnd 6	type Rapid	result 1
		Opponent Mostert, I (Isai)				Opponent Carstens, C (Cole)
3	2	Tournament CW Schools Open 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-02-02	rnd 6	type Rapid	result 1	date 2019-03-16	rnd 1	type Standard	result 1
		Opponent Kram, R (Rexandro)				Opponent Van Der Westhuizen, A (Andre)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Prestige 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-03-25	rnd 7	type Standard	result 1	date 2018-06-23	rnd 3	type Standard	result 1
		Opponent Velem, R (Renico)				Opponent Tredoux, E (Etienne)
2	1	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-17	rnd 6	type Standard	result 1	date 2019-03-17	rnd 6	type Standard	result 1
		Opponent Kalismashe, K (Kamva)				Opponent Kalismashe, K (Kamva)
3	1	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-16	rnd 3	type Standard	result 1	date 2019-03-16	rnd 3	type Standard	result 1
		Opponent Venter, D (Daniel)				Opponent Venter, D (Daniel)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 4	type Rapid	result 1	date 2018-03-03	rnd 6	type Rapid	result 1
		Opponent Mostert, I (Isai)				Opponent Carstens, C (Cole)
2	2	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 1	type Rapid	result 1	date 2019-02-02	rnd 2	type Rapid	result 1
		Opponent Nolte, H (Helgard)				Opponent Jacobs, J (Joshua)
3	2	Tournament Courtrai Young Masters 2018				Tournament Courtrai Young Masters 2018
		date 2018-10-27	rnd 2	type Rapid	result 1	date 2018-10-27	rnd 3	type Rapid	result 1
		Opponent Du Preez, K (Kira)				Opponent Venter, P (Phillip)

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	Anderson ,N (Neo)	5	0	-425	1	0	-425	4	0	-425	0	0	0
1	Anderson ,N (Neo)	5	1180.6	755.6	1	1200	755.6	4	1212.7	755.6	0	0	0
2	Lielieveld ,F (Franco)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Lielieveld ,F (Franco)	2	1222.3	797.3	2	1200.6	797.3	0	0	0	0	0	0
3	Bosch ,D (Dan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Bosch ,D (Dan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Visagie ,B (Brenwin)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Visagie ,B (Brenwin)	1	762.8	337.8	1	762.8	337.8	0	0	0	0	0	0
5	Mfundisi ,M (Mlibo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mfundisi ,M (Mlibo)	1	861.5	436.5	1	892	436.5	0	0	0	0	0	0
6	Tredoux ,E (Etienne)	1	1	425	1	1	425	0	0	0	0	0	0
6	Tredoux ,E (Etienne)	1	1135.2	1560.2	1	1128.4	1560.2	0	0	0	0	0	0
7	Ras ,N (Nizaamudeen)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ras ,N (Nizaamudeen)	1	1197.4	772.4	1	1200	772.4	0	0	0	0	0	0
8	Davids ,R (Rafael)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Davids ,R (Rafael)	1	1314.4	889.4	1	1305.7	889.4	0	0	0	0	0	0
9	Bester ,C (Christoff)	1	1	425	0	0	0	1	1	425	0	0	0
9	Bester ,C (Christoff)	1	876.6	1301.6	0	0	0	1	1009.2	1301.6	0	0	0
10	Grobler ,C (Chanelle)	1	1	425	0	0	0	1	1	425	0	0	0
10	Grobler ,C (Chanelle)	1	1136.7	1561.7	0	0	0	1	1098.8	1561.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Coleman, J (Jack)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms