Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Schalkwyk, DW (Divan Willem)

Chess SA id

1100100331

FIDE id

Date of birth

2010-02-06 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1221.2	1231.6	1146	1200
Raw rating	1221.2	1231.6	1146	1200
Weighted rating	1221.2	1231.6	1146	1200
Weighted performance	258.3	244.7	0	0
Floor	721.2	731.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.9	158.5	179.1	165.8
Highest rating	1241.3 2019-08-01	1231.6 2024-02-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1221.2 2024-02-01	1231.6 2024-02-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1221.2 2025-02-01	1231.6 2024-02-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1241.3 2019-08-01	1229.7 2019-08-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1221.2	1231.6	1146	1200
Analysis
Rating	1221.2	1231.6	1146	1200
Raw rating	1221.2	1231.6	1146	1200
Weighted rating	1221.2	1231.6	1146
Weighted performance	258.3	244.7	0
K-factor	36	36	36	36
Floor	721.2	731.6	700	700
Max/Min rating change allowed	160.9	158.5	179.1	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	1221.2	1231.6	1146	1200
New weighted rating	1221.2	1231.6	1146	1200
New weighted performance	251	237.4	0	0
Temp new rating	1221.2	1231.6	1146	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1221.2	1231.6	1146	1200
New K-factor	36	36	36	36
New floor	721.2	731.6	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	42	32	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	38	20	52.63	22.4	1095	1117.4
Standard	28	16	57.14	60.7	1094.6	1155.3
Rapid	10	4	40	-85	1096.3	1011.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1221.2	1231.6	1146	1200
2025-09-30	1221.2	1231.6	1146	1200
2025-09-01	1221.2	1231.6	1146	1200
2025-08-01	1221.2	1231.6	1146	1200
2025-07-01	1221.2	1231.6	1146	1200
2025-06-01	1221.2	1231.6	1146	1200
2025-05-01	1221.2	1231.6	1146	1200
2025-04-01	1221.2	1231.6	1146	1200
2025-03-01	1221.2	1231.6	1146	1200
2025-02-01	1221.2	1231.6	1146	1200
2025-01-01	1221.2	1231.6	1146	1200
2024-12-01	1221.2	1231.6	1146	1200
2024-11-01	1221.2	1231.6	1146	1200
2024-10-01	1221.2	1231.6	1146	1200
2024-09-01	1221.2	1231.6	1146	1200
2024-08-01	1221.2	1231.6	1146	1200
2024-07-01	1221.2	1231.6	1146	1200
2024-09-01	1221.2	1231.6	1146	1200
2024-05-01	1221.2	1231.6	1146	1200
2024-04-01	1221.2	1231.6	1146	1200
2024-03-01	1221.2	1231.6	1146	1200
2024-02-01	1221.2	1231.6	1146	1200
2024-01-01	1221.2	1231.6	1146	1200
2023-12-01	1221.2	1231.6	1146	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	D2 League Finals 2019 (U9)	2019-08-03	2019-08-03	Standard	West Rand (GWR)	5	4	3.5	Yes	Analysis
2	2019 Gauteng School League Finals (U9 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
3	2019 Super 12 Laerskole (Juniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	2	Yes	Analysis
4	D2 Schools Individuals 2019 (U9)	2019-05-18	2019-05-18	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
5	2018 Gauteng League Final (U9)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
6	2018 Super 12 (Junior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	2	Yes	Analysis
7	D2 Schools Individuals 2018 (U9 Open)	2018-05-19	2018-05-19	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
8	Fonties Challenge 2018 (U9)	2018-04-21	2018-04-21	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2019 Super 12 Laerskole				Tournament D2 Schools Individuals 2019
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Barnard, C (Chene)				Opponent Tucker, M (Marcell)
2	4	Tournament D2 League Finals 2019				Tournament D2 League Finals 2019
		date 2019-08-03	rnd 1	type Standard	result 1	date 2019-08-03	rnd 5	type Standard	result 1
		Opponent Engelbrecht, D (Dre)				Opponent Pretorius, S (Sebastian)
3	3	Tournament D2 Schools Individuals 2018				Tournament 2018 Gauteng League Final
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-08-24	rnd 1	type Standard	result 1
		Opponent De Jager, JJ (Juan)				Opponent Mnguni, TM (Thembisile Mainer)

#	Games	Start				End
1	4	Tournament D2 League Finals 2019				Tournament D2 League Finals 2019
		date 2019-08-03	rnd 1	type Standard	result 1	date 2019-08-03	rnd 5	type Standard	result 1
		Opponent Engelbrecht, D (Dre)				Opponent Pretorius, S (Sebastian)
2	4	Tournament D2 Schools Individuals 2019				Tournament D2 Schools Individuals 2019
		date 2019-05-18	rnd 1	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Du Preeze, J (Jason)				Opponent Tucker, M (Marcell)
3	3	Tournament D2 Schools Individuals 2018				Tournament 2018 Gauteng League Final
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-08-24	rnd 1	type Standard	result 1
		Opponent De Jager, JJ (Juan)				Opponent Mnguni, TM (Thembisile Mainer)

#	Games	Start				End
1	2	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2019-05-04	rnd 5	type Rapid	result 1
		Opponent Barnard, C (Chene)				Opponent Steyn, A (Annika)
2	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 4	type Rapid	result 1	date 2018-05-05	rnd 4	type Rapid	result 1
		Opponent Swart, A (Arno)				Opponent Swart, A (Arno)
3	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 2	type Rapid	result 1	date 2018-05-05	rnd 2	type Rapid	result 1
		Opponent Du Preez, M (Morne)				Opponent Du Preez, M (Morne)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament 2019 Super 12 Laerskole				Tournament D2 Schools Individuals 2019
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Barnard, C (Chene)				Opponent Tucker, M (Marcell)
2	2	Tournament D2 League Finals 2019				Tournament D2 League Finals 2019
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-03	rnd 5	type Standard	result 1
		Opponent Ernst, M (Magdaleen)				Opponent Pretorius, S (Sebastian)
3	2	Tournament D2 Schools Individuals 2018				Tournament D2 Schools Individuals 2018
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-05-19	rnd 2	type Standard	result 1
		Opponent De Wee , T (Trezeguet)				Opponent Esterhuizen, Z (Zane)

#	Games	Start				End
1	4	Tournament D2 Schools Individuals 2019				Tournament D2 Schools Individuals 2019
		date 2019-05-18	rnd 1	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Du Preeze, J (Jason)				Opponent Tucker, M (Marcell)
2	3	Tournament Fonties Challenge 2018				Tournament D2 Schools Individuals 2018
		date 2018-04-21	rnd 5	type Standard	result 1	date 2018-05-19	rnd 2	type Standard	result 1
		Opponent Dorland, B (Bernard)				Opponent Esterhuizen, Z (Zane)
3	2	Tournament D2 League Finals 2019				Tournament D2 League Finals 2019
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-03	rnd 5	type Standard	result 1
		Opponent Ernst, M (Magdaleen)				Opponent Pretorius, S (Sebastian)

#	Games	Start				End
1	2	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2019-05-04	rnd 5	type Rapid	result 1
		Opponent Barnard, C (Chene)				Opponent Steyn, A (Annika)
2	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 4	type Rapid	result 1	date 2018-05-05	rnd 4	type Rapid	result 1
		Opponent Swart, A (Arno)				Opponent Swart, A (Arno)
3	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 2	type Rapid	result 1	date 2018-05-05	rnd 2	type Rapid	result 1
		Opponent Du Preez, M (Morne)				Opponent Du Preez, M (Morne)

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	Esterhuizen ,Z (Zane)	2	2	425	2	2	425	0	0	0	0	0	0
1	Esterhuizen ,Z (Zane)	2	1198.5	1623.5	2	1198	1623.5	0	0	0	0	0	0
2	Engelbrecht ,D (Dre)	1	1	425	1	1	425	0	0	0	0	0	0
2	Engelbrecht ,D (Dre)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Mnguni ,TM (Thembisile Mainer)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mnguni ,TM (Thembisile Mainer)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Van Niekerk ,D (Dillan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Niekerk ,D (Dillan)	1	1117.7	1542.7	1	1102	1542.7	0	0	0	0	0	0
5	Andrew ,GTA (George Thabit Ayad Thomas)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Andrew ,GTA (George Thabit Ayad Thomas)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Molete ,ODW (Oratile Donald Wetsi)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Molete ,ODW (Oratile Donald Wetsi)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Kilian ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kilian ,E (Ethan)	1	1166.1	741.1	1	1157.6	741.1	0	0	0	0	0	0
8	Pieterse ,JF (Jurgens Francois)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Pieterse ,JF (Jurgens Francois)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	De Jager ,JJ (Juan)	1	1	425	1	1	425	0	0	0	0	0	0
9	De Jager ,JJ (Juan)	1	520	945	1	520	945	0	0	0	0	0	0
10	De Rozario ,D (Daniele)	1	1	425	1	1	425	0	0	0	0	0	0
10	De Rozario ,D (Daniele)	1	1200	1625	1	1200	1625	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

Van Schalkwyk, DW (Divan Willem)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms