Chess South Africa Ratings Database

PLAYER PAGE

Personal

Watson, J (Justin)

Chess SA id

1030119235

FIDE id

Date of birth

2003-12-29 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-10-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1210.7	1200	1204.4	1200
Raw rating	1210.7	1200	1204.4	1200
Weighted rating	1210.7	1200	1204.4	1200
Weighted performance	0	0	0	0
Floor	710.7	700	704.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.3	165.8	164.8	165.8
Highest rating	1210.7 2024-02-01	1200 2018-10-01	1204.4 2024-02-01	1200 2018-10-01
Highest raw rating	1210.7 2024-02-01	1200 2024-02-01	1204.4 2024-02-01	1200 2024-02-01
Highest weighted rating	1210.7 2025-02-01	1200 2018-10-01	1204.4 2024-02-01	1200 2018-10-01
Highest weighted performance	1210.1 2019-10-01	1200 2024-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1210.7	1200	1204.4	1200
Analysis
Rating	1210.7	1200	1204.4	1200
Raw rating	1210.7	1200	1204.4	1200
Weighted rating	1210.7	1200	1204.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	710.7	700	704.4	700
Max/Min rating change allowed	163.3	165.8	164.8	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	1210.7	1200	1204.4	1200
New weighted rating	1210.7	1200	1204.4	1200
New weighted performance	0	0	0	0
Temp new rating	1210.7	1200	1204.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1210.7	1200	1204.4	1200
New K-factor	36	36	36	36
New floor	710.7	700	704.4	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	7	7

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	7	5	71.43	182.1	1089.8	1271.9
Standard	0	0	0	0	0	0
Rapid	7	5	71.43	182.1	1089.8	1271.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1210.7	1200	1204.4	1200
2025-09-30	1210.7	1200	1204.4	1200
2025-09-01	1210.7	1200	1204.4	1200
2025-08-01	1210.7	1200	1204.4	1200
2025-07-01	1210.7	1200	1204.4	1200
2025-06-01	1210.7	1200	1204.4	1200
2025-05-01	1210.7	1200	1204.4	1200
2025-04-01	1210.7	1200	1204.4	1200
2025-03-01	1210.7	1200	1204.4	1200
2025-02-01	1210.7	1200	1204.4	1200
2025-01-01	1210.7	1200	1204.4	1200
2024-12-01	1210.7	1200	1204.4	1200
2024-11-01	1210.7	1200	1204.4	1200
2024-10-01	1210.7	1200	1204.4	1200
2024-09-01	1210.7	1200	1204.4	1200
2024-08-01	1210.7	1200	1204.4	1200
2024-07-01	1210.7	1200	1204.4	1200
2024-09-01	1210.7	1200	1204.4	1200
2024-05-01	1210.7	1200	1204.4	1200
2024-04-01	1210.7	1200	1204.4	1200
2024-03-01	1210.7	1200	1204.4	1200
2024-02-01	1210.7	1200	1204.4	1200
2024-01-01	1210.7	1200	1204.4	1200
2023-12-01	1210.7	1200	1204.4	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	Assumption Invitational High School Tournament 2019	2019-10-05	2019-10-05	Rapid	Chess Excellence (CEX)	7	7	5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Assumption Invitational High School Tournament 2019				Tournament Assumption Invitational High School Tournament 2019
		date 2019-10-05	rnd 1	type Rapid	result 1	date 2019-10-05	rnd 3	type Rapid	result 1
		Opponent Quan, C (Chloe)				Opponent Phakathi, M (Mpumelelo)
2	2	Tournament Assumption Invitational High School Tournament 2019				Tournament Assumption Invitational High School Tournament 2019
		date 2019-10-05	rnd 5	type Rapid	result 1	date 2019-10-05	rnd 6	type Rapid	result 1
		Opponent Dada, F (Faeez)				Opponent Hlanyane, T (Thato)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Assumption Invitational High School Tournament 2019				Tournament Assumption Invitational High School Tournament 2019
		date 2019-10-05	rnd 1	type Rapid	result 1	date 2019-10-05	rnd 3	type Rapid	result 1
		Opponent Quan, C (Chloe)				Opponent Phakathi, M (Mpumelelo)
2	2	Tournament Assumption Invitational High School Tournament 2019				Tournament Assumption Invitational High School Tournament 2019
		date 2019-10-05	rnd 5	type Rapid	result 1	date 2019-10-05	rnd 6	type Rapid	result 1
		Opponent Dada, F (Faeez)				Opponent Hlanyane, T (Thato)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Assumption Invitational High School Tournament 2019				Tournament Assumption Invitational High School Tournament 2019
		date 2019-10-05	rnd 1	type Rapid	result 1	date 2019-10-05	rnd 3	type Rapid	result 1
		Opponent Quan, C (Chloe)				Opponent Phakathi, M (Mpumelelo)
2	2	Tournament Assumption Invitational High School Tournament 2019				Tournament Assumption Invitational High School Tournament 2019
		date 2019-10-05	rnd 5	type Rapid	result 1	date 2019-10-05	rnd 6	type Rapid	result 1
		Opponent Dada, F (Faeez)				Opponent Hlanyane, T (Thato)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Assumption Invitational High School Tournament 2019				Tournament Assumption Invitational High School Tournament 2019
		date 2019-10-05	rnd 1	type Rapid	result 1	date 2019-10-05	rnd 3	type Rapid	result 1
		Opponent Quan, C (Chloe)				Opponent Phakathi, M (Mpumelelo)
2	2	Tournament Assumption Invitational High School Tournament 2019				Tournament Assumption Invitational High School Tournament 2019
		date 2019-10-05	rnd 5	type Rapid	result 1	date 2019-10-05	rnd 6	type Rapid	result 1
		Opponent Dada, F (Faeez)				Opponent Hlanyane, T (Thato)

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	Evans ,R (Robyn)	1	1	425	0	0	0	1	1	425	0	0	0
1	Evans ,R (Robyn)	1	1169.6	1594.6	0	0	0	1	646.8	1594.6	0	0	0
2	Wei ,T (Tyron)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Wei ,T (Tyron)	1	1159.8	734.8	0	0	0	1	1200	734.8	0	0	0
3	Hlanyane ,T (Thato)	1	1	425	0	0	0	1	1	425	0	0	0
3	Hlanyane ,T (Thato)	1	1148.4	1573.4	0	0	0	1	1200	1573.4	0	0	0
4	Joshi ,C (Chirag)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Joshi ,C (Chirag)	1	1250.9	825.9	0	0	0	1	895.4	825.9	0	0	0
5	Dada ,F (Faeez)	1	1	425	0	0	0	1	1	425	0	0	0
5	Dada ,F (Faeez)	1	500	925	0	0	0	1	505.4	925	0	0	0
6	Phakathi ,M (Mpumelelo)	1	1	425	0	0	0	1	1	425	0	0	0
6	Phakathi ,M (Mpumelelo)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Quan ,C (Chloe)	1	1	425	0	0	0	1	1	425	0	0	0
7	Quan ,C (Chloe)	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

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Watson, J (Justin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms