Chess South Africa Ratings Database

PLAYER PAGE

Personal

Dykema, JD (Joshua Damian)

Chess SA id

105008491

FIDE id

Date of birth

2005-04-20 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-01-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1479.4	1477.3	1469.7	1307.5
Raw rating	1479.4	1477.3	1469.7	1307.5
Weighted rating	1479.4	1477.3	1469.7	1307.4
Weighted performance	327.9	329.2	0	0
Floor	984.7	1002.3	969.7	969.7
K-factor	32	32	32	32
Min/Max rating change allowed	111.4	111.7	112.9	142.3
Highest rating	1484.7 2019-08-01	1502.3 2019-08-01	1469.7 2019-04-01	1469.7 2018-02-01
Highest raw rating	1484.7 2019-08-01	1502.3 2019-08-01	1469.7 2024-02-01	1469.7 2018-02-01
Highest weighted rating	1478.9 2025-08-01	1477.3 2025-08-01	1469.7 2019-04-01	1469.7 2018-02-01
Highest weighted performance	1456.2 2019-07-01	1476.2 2018-02-01	1200 2024-02-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1479.4	1477.3	1469.7	1307.5
Analysis
Rating	1479.4	1477.3	1469.7	1307.5
Raw rating	1479.4	1477.3	1469.7	1307.5
Weighted rating	1479.4	1477.3	1469.7
Weighted performance	327.9	329.2	0
K-factor	32	32	32	32
Floor	984.7	1002.3	969.7	969.7
Max/Min rating change allowed	111.4	111.7	112.9	142.3
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	1479.4	1477.3	1469.7	1307.5
New weighted rating	1479.4	1477.3	1469.7	1307.5
New weighted performance	319.5	320.7	0	0
Temp new rating	1479.4	1477.3	1469.7	1307.5
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1479.4	1477.3	1469.7	1307.5
New K-factor	32	32	32	32
New floor	984.7	1002.3	969.7	969.7

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	693	653	6	34

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
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	97	62.5	64.43	122.7	1284.4	1407
Standard	80	54.5	68.12	154.1	1292.8	1446.9
Rapid	0	0	0	0	0	0
Blitz	17	8	47.06	-25	1244.6	1219.6

Date	Main	Standard	Rapid	Blitz
2025-11-01	1479.4	1477.3	1469.7	1307.5
2025-09-30	1479.4	1477.3	1469.7	1307.5
2025-09-01	1479.4	1477.3	1469.7	1307.5
2025-08-01	1479.4	1477.3	1469.7	1307.5
2025-07-01	1479.4	1477.3	1469.7	1307.5
2025-06-01	1479.4	1477.3	1469.7	1307.5
2025-05-01	1479.4	1477.3	1469.7	1307.5
2025-04-01	1479.4	1477.3	1469.7	1307.5
2025-03-01	1479.4	1477.3	1469.7	1307.5
2025-02-01	1479.4	1477.3	1469.7	1307.5
2025-01-01	1479.4	1477.3	1469.7	1307.5
2024-12-01	1479.4	1477.3	1469.7	1307.5
2024-11-01	1479.4	1477.3	1469.7	1307.5
2024-10-01	1479.4	1477.3	1469.7	1307.5
2024-09-01	1479.4	1477.3	1469.7	1307.5
2024-08-01	1479.4	1477.3	1469.7	1307.5
2024-07-01	1479.4	1477.3	1469.7	1307.5
2024-09-01	1479.4	1477.3	1469.7	1307.5
2024-05-01	1479.4	1477.3	1469.7	1307.5
2024-04-01	1479.4	1477.3	1469.7	1307.5
2024-03-01	1479.4	1477.3	1469.7	1307.5
2024-02-01	1479.4	1477.3	1469.7	1307.5
2024-01-01	1479.4	1477.3	1469.7	1307.5
2023-12-01	1464.8	1476	1469.7	1281.6

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	2019 South African Top Schools Team Championships (U15+U17 Open)	2020-01-10	2020-01-11	Standard	4 Knights (4K)	5	4	3	Yes	Analysis
2	2019 Gauteng School League Finals (U15 Open)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
3	2019 D4 Tshwane South Schools League Team Finals (U15)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
4	2019 Waterkloof Open (B)	2019-03-02	2019-03-03	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
5	2018 Inter Region Chess Championships	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis
6	South African Junior Blitz 2018 (U14)	2018-12-19	2018-12-19	Blitz	4 Knights (4K)	7	7	3	Yes	Analysis
7	South African Junior Team Championships 2018 (U14A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	7	Yes	Analysis
8	2018 Etienne Lewis Trials (U14 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	6	3.5	Yes	Analysis
9	Waterkloof Open Fide Blitz 2018	2018-08-02	2018-08-02	Blitz	Tshwane (GTP)	10	10	5	Yes	Analysis
10	2018 Gauteng League Final (U15)	2018-08-25	2018-08-25	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
11	2018 D4 Tshwane South Schools League Finals (U15)	2018-08-04	2018-08-04	Standard	Tshwane (GTP)	5	4	2.5	Yes	Analysis
12	2018 Capablanca RR (D)	2018-04-26	2018-05-01	Standard	Tshwane (GTP)	9	9	5	Yes	Analysis
13	2018 Waterkloof Open (B)	2018-03-03	2018-03-04	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
14	2018 Piet Robbertse Chess Tournament (B)	2018-02-03	2018-02-03	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
15	South African Inter Regional Championships 2017	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
16	South African Junior Blitz 2017 Championships (A)	2018-01-07	2018-01-07	Blitz	4 Knights (4K)	7	0	0	No	Analysis
17	South African Junior Team Championships 2017 (U14A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5.5	Yes	Analysis

#	Games	Start				End
1	10	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 Etienne Lewis Trials
		date 2018-08-04	rnd 2	type Standard	result 0.5	date 2018-08-31	rnd 2	type Standard	result 1
		Opponent Joubert, D (Divan)				Opponent Ristic, A (Andrej)
2	9	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 Gauteng School League Finals
		date 2019-07-27	rnd 1	type Standard	result 1	date 2019-08-24	rnd 4	type Standard	result 0.5
		Opponent Nzimande, Z (Zanokuhle)				Opponent Le Roux, EP (Emile Paul)
3	9	Tournament 2018 Etienne Lewis Trials				Tournament South African Junior Blitz 2018
		date 2018-09-02	rnd 6	type Standard	result 1	date 2018-12-19	rnd 1	type Blitz	result 1
		Opponent Duvenhage, LC (Leon)				Opponent Freeman, V (Vianco)

#	Games	Start				End
1	10	Tournament 2018 Etienne Lewis Trials				Tournament 2018 Inter Region Chess Championships
		date 2018-09-02	rnd 6	type Standard	result 1	date 2018-12-21	rnd 1	type Standard	result 1
		Opponent Duvenhage, LC (Leon)				Opponent Tissot Van Patot, D (Donovan)
2	10	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 Etienne Lewis Trials
		date 2018-08-04	rnd 2	type Standard	result 0.5	date 2018-08-31	rnd 2	type Standard	result 1
		Opponent Joubert, D (Divan)				Opponent Ristic, A (Andrej)
3	9	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 Gauteng School League Finals
		date 2019-07-27	rnd 1	type Standard	result 1	date 2019-08-24	rnd 4	type Standard	result 0.5
		Opponent Nzimande, Z (Zanokuhle)				Opponent Le Roux, EP (Emile Paul)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Waterkloof Open Fide Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-08-02	rnd 9	type Blitz	result 1	date 2018-12-19	rnd 1	type Blitz	result 1
		Opponent Dykema, RL (Reint)				Opponent Freeman, V (Vianco)
2	2	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 4	type Blitz	result 1	date 2018-12-19	rnd 5	type Blitz	result 0.5
		Opponent Fillis, J (Jordan)				Opponent Meyer, J (Jared)
3	2	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 4	type Blitz	result 0.5	date 2018-08-02	rnd 5	type Blitz	result 1
		Opponent Mokoena, L (Lebohang)				Opponent Nxumalo, B (Banele)

#	Games	Start				End
1	9	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 Etienne Lewis Trials
		date 2018-08-04	rnd 3	type Standard	result 1	date 2018-08-31	rnd 2	type Standard	result 1
		Opponent Lourens, J (Jon-Adriaan)				Opponent Ristic, A (Andrej)
2	7	Tournament South African Junior Team Championships 2018				Tournament South African Junior Blitz 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-19	rnd 1	type Blitz	result 1
		Opponent Leibrandt, RR (Romano)				Opponent Freeman, V (Vianco)
3	5	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-05	rnd 3	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Mcluckie, A (Aiden)				Opponent Maubane, K (Kamo)

#	Games	Start				End
1	9	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 Etienne Lewis Trials
		date 2018-08-04	rnd 3	type Standard	result 1	date 2018-08-31	rnd 2	type Standard	result 1
		Opponent Lourens, J (Jon-Adriaan)				Opponent Ristic, A (Andrej)
2	8	Tournament South African Junior Team Championships 2018				Tournament 2018 Inter Region Chess Championships
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-21	rnd 1	type Standard	result 1
		Opponent Leibrandt, RR (Romano)				Opponent Tissot Van Patot, D (Donovan)
3	5	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-05	rnd 3	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Mcluckie, A (Aiden)				Opponent Maubane, K (Kamo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 4	type Blitz	result 1	date 2018-12-19	rnd 4	type Blitz	result 1
		Opponent Fillis, J (Jordan)				Opponent Fillis, J (Jordan)
2	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 1	type Blitz	result 1	date 2018-12-19	rnd 1	type Blitz	result 1
		Opponent Freeman, V (Vianco)				Opponent Freeman, V (Vianco)
3	1	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 9	type Blitz	result 1	date 2018-08-02	rnd 9	type Blitz	result 1
		Opponent Dykema, RL (Reint)				Opponent Dykema, RL (Reint)

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	Fourie ,B (Brandon)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Fourie ,B (Brandon)	2	1607.6	1395.1	2	1634.7	1395.1	0	0	0	0	0	0
2	Dinham ,M (Megan)	2	2	425	2	2	425	0	0	0	0	0	0
2	Dinham ,M (Megan)	2	1285.5	1710.5	2	1287.1	1710.5	0	0	0	0	0	0
3	Odendaal ,MM (Mikhal Marcus)	2	1	0	0	0	0	0	0	0	2	1	0
3	Odendaal ,MM (Mikhal Marcus)	2	1287.6	1287.6	0	0	0	0	0	0	2	1153.4	1287.6
4	Serra Coelho ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Serra Coelho ,E (Ethan)	1	1110.9	685.9	1	1104.4	685.9	0	0	0	0	0	0
5	Van Zyl ,J (Jan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Van Zyl ,J (Jan)	1	1168.4	1593.4	1	1185.5	1593.4	0	0	0	0	0	0
6	Alex ,M (Marilyn)	1	1	425	1	1	425	0	0	0	0	0	0
6	Alex ,M (Marilyn)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Nzima ,N (Nicolas)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nzima ,N (Nicolas)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Van Aardt ,D (Durand)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Aardt ,D (Durand)	1	1009.9	584.9	1	990.8	584.9	0	0	0	0	0	0
9	Mbava ,F (Fezekile)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mbava ,F (Fezekile)	1	1298.2	873.2	1	1302.1	873.2	0	0	0	0	0	0
10	Lourens ,J (Jon-Adriaan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Lourens ,J (Jon-Adriaan)	1	909	1334	1	909	1334	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Dykema, JD (Joshua Damian)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms