Chess South Africa Ratings Database

PLAYER PAGE

Personal

Dykema, DR (Dirkho Reint)

Chess SA id

102008490

FIDE id

Date of birth

2002-08-13 (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	1632.8	1613.5	1522.7	1417.4
Raw rating	1632.8	1613.5	1522.7	1417.4
Weighted rating	1632.5	1613.5	1522.7	1417.4
Weighted performance	424.2	414.9	0	0
Floor	1132.8	1113.5	1022.7	1022.7
K-factor	28	28	32	32
Min/Max rating change allowed	89.5	92	104.7	121.6
Highest rating	1632.8 2024-03-01	1613.5 2024-03-01	1522.7 2019-03-01	1522.7 2018-06-01
Highest raw rating	1632.8 2024-03-01	1613.5 2024-03-01	1522.7 2024-03-01	1522.7 2018-02-01
Highest weighted rating	1631.8 2025-08-01	1613.5 2025-02-01	1522.7 2019-03-01	1522.7 2018-06-01
Highest weighted performance	1607 2018-05-01	1606.9 2018-05-01	1200 2024-03-01	1518.7 2018-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1632.8	1613.5	1522.7	1417.4
Analysis
Rating	1632.8	1613.5	1522.7	1417.4
Raw rating	1632.8	1613.5	1522.7	1417.4
Weighted rating	1632.5	1613.5	1522.7
Weighted performance	424.2	414.9	0
K-factor	28	28	32	32
Floor	1132.8	1113.5	1022.7	1022.7
Max/Min rating change allowed	89.5	92	104.7	121.6
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	1632.8	1613.5	1522.7	1417.4
New weighted rating	1632.7	1613.5	1522.7	1417.4
New weighted performance	423.6	414.3	0	0
Temp new rating	1632.8	1613.5	1522.7	1417.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1632.8	1613.5	1522.7	1417.4
New K-factor	28	28	32	32
New floor	1132.8	1113.5	1022.7	1022.7

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	656	603	11	42

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	81	54	66.67	141.7	1383.4	1525
Standard	58	41.5	71.55	183.2	1371	1554.1
Rapid	0	0	0	0	0	0
Blitz	23	12.5	54.35	37	1414.7	1451.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1632.8	1613.5	1522.7	1417.4
2025-09-01	1632.8	1613.5	1522.7	1417.4
2025-08-01	1632.8	1613.5	1522.7	1417.4
2025-07-01	1632.8	1613.5	1522.7	1417.4
2025-06-01	1632.8	1613.5	1522.7	1417.4
2025-05-01	1632.8	1613.5	1522.7	1417.4
2025-04-01	1632.8	1613.5	1522.7	1417.4
2025-03-01	1632.8	1613.5	1522.7	1417.4
2025-02-01	1632.8	1613.5	1522.7	1417.4
2025-01-01	1632.8	1613.5	1522.7	1417.4
2024-12-01	1632.8	1613.5	1522.7	1417.4
2024-11-01	1632.8	1613.5	1522.7	1417.4
2024-10-01	1632.8	1613.5	1522.7	1417.4
2024-09-01	1632.8	1613.5	1522.7	1417.4
2024-08-01	1632.8	1613.5	1522.7	1417.4
2024-07-01	1632.8	1613.5	1522.7	1417.4
2024-06-01	1632.8	1613.5	1522.7	1417.4
2024-08-01	1632.8	1613.5	1522.7	1417.4
2024-04-01	1632.8	1613.5	1522.7	1417.4
2024-03-01	1632.8	1613.5	1522.7	1417.4
2024-02-01	1632.8	1613.5	1522.7	1417.4
2024-01-01	1632.8	1613.5	1522.7	1417.4
2023-12-01	1601.7	1613.5	1522.7	1417.4
2023-11-01	1601.7	1613.5	1522.7	1417.4

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 (U19 Open+U17+U19 Girls)	2020-01-10	2020-01-11	Standard	4 Knights (4K)	5	4	4	Yes	Analysis
2	2019 South African Juior Blitz Championship (A)	2020-01-05	2020-01-05	Blitz	4 Knights (4K)	7	6	2	Yes	Analysis
3	2019 South African Junior Team Championships (U18A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
4	2019 Gauteng School League Finals (U17 Open)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
5	2019 D4 Tshwane South Schools League Team Finals (U17)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
6	2019 Waterkloof Open (A)	2019-03-02	2019-03-03	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
7	South African Junior Blitz 2018 (U18)	2018-12-19	2018-12-19	Blitz	4 Knights (4K)	7	7	5	Yes	Analysis
8	South African Junior Team Championships 2018 (U18A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	5.5	Yes	Analysis
9	Waterkloof Open Fide Blitz 2018	2018-08-02	2018-08-02	Blitz	Tshwane (GTP)	10	10	5.5	Yes	Analysis
10	2018 Gauteng League Final (U17)	2018-08-25	2018-08-25	Standard	Tshwane (GTP)	5	4	4	Yes	Analysis
11	2018 Capablanca RR (C)	2018-04-26	2018-05-01	Standard	Tshwane (GTP)	9	9	6	Yes	Analysis
12	2018 Waterkloof Open (A)	2018-03-03	2018-03-04	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
13	South African Junior Team Championships 2017 (U16A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	11	Tournament Waterkloof Open Fide Blitz 2018				Tournament South African Junior Team Championships 2018
		date 2018-08-02	rnd 10	type Blitz	result 1	date 2018-12-19	rnd 6	type Standard	result 1
		Opponent Odendaal, L (Lourens)				Opponent Higgins, F (Franco)
2	9	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 South African Junior Team Championships
		date 2019-07-27	rnd 5	type Standard	result 0.5	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Bedesi, TT (Tahil)				Opponent Maharaj, S (Sarjana)
3	8	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Top Schools Team Championships
		date 2020-01-06	rnd 4	type Standard	result 1	date 2020-01-11	rnd 5	type Standard	result 1
		Opponent Van Stryp, O (Ockert)				Opponent Booysen, T (Tineke)

#	Games	Start				End
1	17	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 South African Top Schools Team Championships
		date 2019-07-27	rnd 5	type Standard	result 0.5	date 2020-01-11	rnd 5	type Standard	result 1
		Opponent Bedesi, TT (Tahil)				Opponent Booysen, T (Tineke)
2	17	Tournament 2018 Capablanca RR				Tournament South African Junior Team Championships 2018
		date 2018-04-28	rnd 4	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Oberholzer, I (Imarie)				Opponent Naicker, S (Sheldon)
3	4	Tournament 2019 Waterkloof Open				Tournament 2019 D4 Tshwane South Schools League Team Finals
		date 2019-03-03	rnd 5	type Standard	result 1	date 2019-07-27	rnd 3	type Standard	result 1
		Opponent Claassen, G (Gabriella)				Opponent Smal, D (Dewald)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 2	type Blitz	result 1	date 2018-12-19	rnd 6	type Blitz	result 1
		Opponent Dinham, M (Megan)				Opponent Millard, C (Chad)
2	2	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 7	type Blitz	result 1	date 2018-08-02	rnd 8	type Blitz	result 0.5
		Opponent Mohlahlana, K (Khomotso Tummy)				Opponent Cruywagen, A (Armand)
3	2	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 2	type Blitz	result 1	date 2018-08-02	rnd 3	type Blitz	result 1
		Opponent Coetzee, C (Cornel)				Opponent Odendaal, RL (Ruben)

#	Games	Start				End
1	6	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Top Schools Team Championships
		date 2020-01-07	rnd 6	type Standard	result 1	date 2020-01-11	rnd 5	type Standard	result 1
		Opponent Thoresen, K (Kyle)				Opponent Booysen, T (Tineke)
2	5	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 2	type Blitz	result 1	date 2018-12-19	rnd 6	type Blitz	result 1
		Opponent Dinham, M (Megan)				Opponent Millard, C (Chad)
3	5	Tournament Waterkloof Open Fide Blitz 2018				Tournament 2018 Gauteng League Final
		date 2018-08-02	rnd 10	type Blitz	result 1	date 2018-08-25	rnd 4	type Standard	result 1
		Opponent Odendaal, L (Lourens)				Opponent Dube, B (Brandon)

#	Games	Start				End
1	6	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Top Schools Team Championships
		date 2020-01-07	rnd 6	type Standard	result 1	date 2020-01-11	rnd 5	type Standard	result 1
		Opponent Thoresen, K (Kyle)				Opponent Booysen, T (Tineke)
2	5	Tournament 2018 Capablanca RR				Tournament 2018 Capablanca RR
		date 2018-04-28	rnd 4	type Standard	result 1	date 2018-04-30	rnd 8	type Standard	result 1
		Opponent Oberholzer, I (Imarie)				Opponent Nhamuave, E (Eleazar)
3	4	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 1	type Standard	result 1	date 2019-08-24	rnd 4	type Standard	result 1
		Opponent Britz, J (Jesse)				Opponent Selana, M (Mzwandile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 2	type Blitz	result 1	date 2018-12-19	rnd 6	type Blitz	result 1
		Opponent Dinham, M (Megan)				Opponent Millard, C (Chad)
2	2	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 2	type Blitz	result 1	date 2018-08-02	rnd 3	type Blitz	result 1
		Opponent Coetzee, C (Cornel)				Opponent Odendaal, RL (Ruben)
3	1	Tournament 2019 South African Juior Blitz Championship				Tournament 2019 South African Juior Blitz Championship
		date 2020-01-05	rnd 6	type Blitz	result 1	date 2020-01-05	rnd 6	type Blitz	result 1
		Opponent Felix, R (Raphael)				Opponent Felix, R (Raphael)

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	Martin ,N (Nico)	2	1	0	2	1	0	0	0	0	0	0	0
1	Martin ,N (Nico)	2	1651.5	1651.5	2	1653.1	1651.5	0	0	0	0	0	0
2	Hlongwane ,S (Shuttleworth)	2	1.5	212.5	1	0.5	0	0	0	0	1	1	425
2	Hlongwane ,S (Shuttleworth)	2	1183.6	1396.1	1	1176.2	1183.6	0	0	0	1	979	1608.6
3	Cruywagen ,A (Armand)	2	1	0	1	0.5	0	0	0	0	1	0.5	0
3	Cruywagen ,A (Armand)	2	1530.7	1530.7	1	1527.2	1530.7	0	0	0	1	1415.4	1530.7
4	Oberholzer ,I (Imarie)	2	1	0	1	1	425	0	0	0	1	0	-425
4	Oberholzer ,I (Imarie)	2	1485.6	1485.6	1	1493.7	1910.6	0	0	0	1	1614	1060.6
5	Visser ,S (Shane)	1	1	425	1	1	425	0	0	0	0	0	0
5	Visser ,S (Shane)	1	1402.8	1827.8	1	1400	1827.8	0	0	0	0	0	0
6	Claassen ,J (Jean-Daniel)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Claassen ,J (Jean-Daniel)	1	1703.9	1703.9	1	1707.1	1703.9	0	0	0	0	0	0
7	Du Plessis ,JAK (Jan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Du Plessis ,JAK (Jan)	1	1393.1	1393.1	1	1383.9	1393.1	0	0	0	0	0	0
8	Guliwe ,L (Lwandile)	1	1	425	1	1	425	0	0	0	0	0	0
8	Guliwe ,L (Lwandile)	1	1350.6	1775.6	1	1351.6	1775.6	0	0	0	0	0	0
9	Nhamuave ,E (Eleazar)	1	1	425	1	1	425	0	0	0	0	0	0
9	Nhamuave ,E (Eleazar)	1	1677.9	2102.9	1	1677.8	2102.9	0	0	0	0	0	0
10	Cata ,T (Toni)	1	1	425	1	1	425	0	0	0	0	0	0
10	Cata ,T (Toni)	1	1097.9	1522.9	1	1097.9	1522.9	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, DR (Dirkho Reint)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms