Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Villiers, J (Justin D`hotman)

Chess SA id

1020103321

FIDE id

Date of birth

2002-03-04 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1351.3	1371.8	1200	1200
Raw rating	1351.3	1371.8	1200	1200
Weighted rating	1351.3	1371.8	1200	1200
Weighted performance	0	0	0	0
Floor	851.3	871.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	133.7	129.8	165.8	165.8
Highest rating	1459.4 2020-03-01	1442.9 2020-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1351.3 2024-03-01	1371.8 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1351.3 2025-02-01	1371.8 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1459.4 2020-03-01	1442.9 2020-03-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1351.3	1371.8	1200	1200
Analysis
Rating	1351.3	1371.8	1200	1200
Raw rating	1351.3	1371.8	1200	1200
Weighted rating	1351.3	1371.8	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	851.3	871.8	700	700
Max/Min rating change allowed	133.7	129.8	165.8	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	1351.3	1371.8	1200	1200
New weighted rating	1351.3	1371.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1351.3	1371.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1351.3	1371.8	1200	1200
New K-factor	36	36	36	36
New floor	851.3	871.8	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	20	20

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	20	15	75	212.5	1201.6	1414.1
Standard	20	15	75	212.5	1201.6	1414.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1351.3	1371.8	1200	1200
2025-09-30	1351.3	1371.8	1200	1200
2025-09-01	1351.3	1371.8	1200	1200
2025-08-01	1351.3	1371.8	1200	1200
2025-07-01	1351.3	1371.8	1200	1200
2025-06-01	1351.3	1371.8	1200	1200
2025-05-01	1351.3	1371.8	1200	1200
2025-04-01	1351.3	1371.8	1200	1200
2025-03-01	1351.3	1371.8	1200	1200
2025-02-01	1351.3	1371.8	1200	1200
2025-01-01	1351.3	1371.8	1200	1200
2024-12-01	1351.3	1371.8	1200	1200
2024-11-01	1351.3	1371.8	1200	1200
2024-10-01	1351.3	1371.8	1200	1200
2024-09-01	1351.3	1371.8	1200	1200
2024-08-01	1351.3	1371.8	1200	1200
2024-07-01	1351.3	1371.8	1200	1200
2024-09-01	1351.3	1371.8	1200	1200
2024-05-01	1351.3	1371.8	1200	1200
2024-04-01	1351.3	1371.8	1200	1200
2024-03-01	1351.3	1371.8	1200	1200
2024-02-01	1351.3	1371.8	1200	1200
2024-01-01	1351.3	1371.8	1200	1200
2023-12-01	1351.3	1371.8	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	JNW Club - Trinityhouse Little Falls Open 2020 (C)	2020-03-14	2020-03-14	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
2	JNW Club - Trinityhouse Randpark Ridge Open 2020 (C)	2020-02-22	2020-02-22	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
3	JNW Club - Bryanston Open1 2020 (C)	2020-02-01	2020-02-01	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	2018 Gauteng Secondary Schools Individual Chess Championships (U18 Boys)	2018-05-26	2018-05-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament JNW Club - Bryanston Open1 2020				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent De Abreu, A (Alexia Sally)				Opponent Bowers, M (Mpho)
2	5	Tournament JNW Club - Trinityhouse Little Falls Open 2020				Tournament JNW Club - Trinityhouse Little Falls Open 2020
		date 2020-03-14	rnd 1	type Standard	result 0.5	date 2020-03-14	rnd 5	type Standard	result 1
		Opponent Du Toit, T (Tano)				Opponent Rossouw, W (Wessel Johannes)
3	4	Tournament 2018 Gauteng Secondary Schools Individual Chess Championships				Tournament JNW Club - Bryanston Open1 2020
		date 2018-05-26	rnd 4	type Standard	result 1	date 2020-02-01	rnd 2	type Standard	result 1
		Opponent Ramosepele, K (Kamogelo)				Opponent French, D (Daniel)

#	Games	Start				End
1	6	Tournament JNW Club - Bryanston Open1 2020				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent De Abreu, A (Alexia Sally)				Opponent Bowers, M (Mpho)
2	5	Tournament JNW Club - Trinityhouse Little Falls Open 2020				Tournament JNW Club - Trinityhouse Little Falls Open 2020
		date 2020-03-14	rnd 1	type Standard	result 0.5	date 2020-03-14	rnd 5	type Standard	result 1
		Opponent Du Toit, T (Tano)				Opponent Rossouw, W (Wessel Johannes)
3	4	Tournament 2018 Gauteng Secondary Schools Individual Chess Championships				Tournament JNW Club - Bryanston Open1 2020
		date 2018-05-26	rnd 4	type Standard	result 1	date 2020-02-01	rnd 2	type Standard	result 1
		Opponent Ramosepele, K (Kamogelo)				Opponent French, D (Daniel)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament JNW Club - Bryanston Open1 2020				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent De Abreu, A (Alexia Sally)				Opponent Bowers, M (Mpho)
2	4	Tournament 2018 Gauteng Secondary Schools Individual Chess Championships				Tournament JNW Club - Bryanston Open1 2020
		date 2018-05-26	rnd 4	type Standard	result 1	date 2020-02-01	rnd 2	type Standard	result 1
		Opponent Ramosepele, K (Kamogelo)				Opponent French, D (Daniel)
3	2	Tournament JNW Club - Trinityhouse Little Falls Open 2020				Tournament JNW Club - Trinityhouse Little Falls Open 2020
		date 2020-03-14	rnd 4	type Standard	result 1	date 2020-03-14	rnd 5	type Standard	result 1
		Opponent John, J (Jordan)				Opponent Rossouw, W (Wessel Johannes)

#	Games	Start				End
1	6	Tournament JNW Club - Bryanston Open1 2020				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent De Abreu, A (Alexia Sally)				Opponent Bowers, M (Mpho)
2	4	Tournament 2018 Gauteng Secondary Schools Individual Chess Championships				Tournament JNW Club - Bryanston Open1 2020
		date 2018-05-26	rnd 4	type Standard	result 1	date 2020-02-01	rnd 2	type Standard	result 1
		Opponent Ramosepele, K (Kamogelo)				Opponent French, D (Daniel)
3	2	Tournament JNW Club - Trinityhouse Little Falls Open 2020				Tournament JNW Club - Trinityhouse Little Falls Open 2020
		date 2020-03-14	rnd 4	type Standard	result 1	date 2020-03-14	rnd 5	type Standard	result 1
		Opponent John, J (Jordan)				Opponent Rossouw, W (Wessel Johannes)

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	Deysel ,H (Hannah)	2	2	425	2	2	425	0	0	0	0	0	0
1	Deysel ,H (Hannah)	2	1320.6	1745.6	2	1304	1745.6	0	0	0	0	0	0
2	De Abreu ,A (Alexia Sally)	1	1	425	1	1	425	0	0	0	0	0	0
2	De Abreu ,A (Alexia Sally)	1	1205.3	1630.3	1	1203	1630.3	0	0	0	0	0	0
3	French ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
3	French ,D (Daniel)	1	1216.9	1641.9	1	1217.6	1641.9	0	0	0	0	0	0
4	Mpya ,S (Stanford)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mpya ,S (Stanford)	1	963.7	1388.7	1	975.4	1388.7	0	0	0	0	0	0
5	Fauconier ,C (Caley)	1	1	425	1	1	425	0	0	0	0	0	0
5	Fauconier ,C (Caley)	1	1227.1	1652.1	1	1222.4	1652.1	0	0	0	0	0	0
6	Rossouw ,W (Wessel Johannes)	1	1	425	1	1	425	0	0	0	0	0	0
6	Rossouw ,W (Wessel Johannes)	1	1244.7	1669.7	1	1240.8	1669.7	0	0	0	0	0	0
7	Du Toit ,C (Conrad)	1	1	425	1	1	425	0	0	0	0	0	0
7	Du Toit ,C (Conrad)	1	805	1230	1	845.8	1230	0	0	0	0	0	0
8	Shordries ,N (Nkiyasi)	1	1	425	1	1	425	0	0	0	0	0	0
8	Shordries ,N (Nkiyasi)	1	1132.6	1557.6	1	1136.9	1557.6	0	0	0	0	0	0
9	Bowers ,M (Mpho)	1	1	425	1	1	425	0	0	0	0	0	0
9	Bowers ,M (Mpho)	1	1391.7	1816.7	1	1385.1	1816.7	0	0	0	0	0	0
10	Makofane ,NM (Neo Masolo)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Makofane ,NM (Neo Masolo)	1	1096.4	671.4	1	1106.3	671.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

De Villiers, J (Justin D`hotman)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms