Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mulder, A (Adriaan)

Chess SA id

1070152532

FIDE id

Date of birth

2007-03-21 (U20)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1374.9

Item	Main	Standard	Rapid	Blitz
Rating	1307.4	1312.8	1200	1200
Raw rating	1307.4	1312.8	1200	1200
Weighted rating	1292.2	1297.2	1200	1200
Weighted performance	1144.6	1139.6	0	0
Floor	807.4	812.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	142.3	141.2	165.8	165.8
Highest rating	1397 2023-03-01	1394.7 2023-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1307.4 2025-03-01	1312.8 2025-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1287.5 2025-08-01	1292.3 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1397 2023-03-01	1394.7 2023-03-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1307.4	1312.8	1200	1200
Analysis
Rating	1307.4	1312.8	1200	1200
Raw rating	1307.4	1312.8	1200	1200
Weighted rating	1292.2	1297.2	1200
Weighted performance	1144.6	1139.6	0
K-factor	36	36	36	36
Floor	807.4	812.8	700	700
Max/Min rating change allowed	142.3	141.2	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	1307.4	1312.8	1200	1200
New weighted rating	1294.3	1299.3	1200	1200
New weighted performance	1144.1	1139.1	0	0
Temp new rating	1307.4	1312.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1307.4	1312.8	1200	1200
New K-factor	36	36	36	36
New floor	807.4	812.8	700	700

Item	Main	Standard
	0	0
	5	5
	14	14
	25	25
	0	0
	0	0
History	44	44

Games since
	Main 19	Standard 19		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	5	3	60	85	1304.5	1389.5
Standard	5	3	60	85	1304.5	1389.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	44	24.5	55.68	48.3	1278.9	1327.2
Standard	44	24.5	55.68	48.3	1278.9	1327.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1307.4	1312.8	1200	1200
2025-09-01	1307.4	1312.8	1200	1200
2025-08-01	1307.4	1312.8	1200	1200
2025-07-01	1307.4	1312.8	1200	1200
2025-06-01	1307.4	1312.8	1200	1200
2025-05-01	1307.4	1312.8	1200	1200
2025-04-01	1307.4	1312.8	1200	1200
2025-03-01	1307.4	1312.8	1200	1200
2025-02-01	1288.1	1292.5	1200	1200
2025-01-01	1288.1	1292.5	1200	1200
2024-12-01	1288.1	1292.5	1200	1200
2024-11-01	1269.9	1274.5	1200	1200
2024-10-01	1269.9	1274.5	1200	1200
2024-09-01	1269.9	1274.5	1200	1200
2024-08-01	1269.9	1274.5	1200	1200
2024-07-01	1265.7	1269.8	1200	1200
2024-06-01	1265.7	1269.8	1200	1200
2024-08-01	1265.7	1269.8	1200	1200
2024-04-01	1265.7	1269.8	1200	1200
2024-03-01	1265.7	1269.8	1200	1200
2024-02-01	1265.7	1269.8	1200	1200
2024-01-01	1252.2	1257.2	1200	1200
2023-12-01	1252.2	1257.2	1200	1200
2023-11-01	1252.2	1257.2	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
2	Paarl Boys' High Chess Festival 2024	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
3	D2 School League Finals 2024 (U19)	2024-07-20	2024-07-20	Standard	West Rand (GWR)	5	5	2.5	Yes	Analysis
4	2024 Gauteng Inter-Region Chess Championship (U18B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	3	2	Yes	Analysis
5	2023 West Rand Trials (U18)	2023-09-09	2023-09-09	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
6	D2 School League Finals 2023 (U19)	2023-07-22	2023-07-22	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
7	2023 West Rand RHS Open (Rooks)	2023-06-10	2023-06-10	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
8	D2 Schools Individuals 2023 (U18 Boys)	2023-05-13	2023-05-13	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
9	West Rand Juniors 2023 (U18)	2023-03-18	2023-03-18	Standard	West Rand (GWR)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament D2 School League Finals 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-07-20	rnd 5	type Standard	result 1	date 2024-10-04	rnd 3	type Standard	result 1
		Opponent Moraka, L (Lesego)				Opponent Goliath, Q (Quinn)
2	4	Tournament D2 Schools Individuals 2023				Tournament 2023 West Rand RHS Open
		date 2023-05-13	rnd 5	type Standard	result 1	date 2023-06-10	rnd 3	type Standard	result 1
		Opponent Du Randt, Z (Zack)				Opponent Wesinyane, T (Tshireletso)
3	4	Tournament West Rand Juniors 2023				Tournament D2 Schools Individuals 2023
		date 2023-03-18	rnd 3	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Nyandeni, M (Melusi)				Opponent Mamle, M (Mpumelelo)

#	Games	Start				End
1	4	Tournament D2 School League Finals 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-07-20	rnd 5	type Standard	result 1	date 2024-10-04	rnd 3	type Standard	result 1
		Opponent Moraka, L (Lesego)				Opponent Goliath, Q (Quinn)
2	4	Tournament D2 Schools Individuals 2023				Tournament 2023 West Rand RHS Open
		date 2023-05-13	rnd 5	type Standard	result 1	date 2023-06-10	rnd 3	type Standard	result 1
		Opponent Du Randt, Z (Zack)				Opponent Wesinyane, T (Tshireletso)
3	4	Tournament West Rand Juniors 2023				Tournament D2 Schools Individuals 2023
		date 2023-03-18	rnd 3	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Nyandeni, M (Melusi)				Opponent Mamle, M (Mpumelelo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament D2 Schools Individuals 2023				Tournament 2023 West Rand RHS Open
		date 2023-05-13	rnd 5	type Standard	result 1	date 2023-06-10	rnd 3	type Standard	result 1
		Opponent Du Randt, Z (Zack)				Opponent Wesinyane, T (Tshireletso)
2	4	Tournament West Rand Juniors 2023				Tournament D2 Schools Individuals 2023
		date 2023-03-18	rnd 3	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Nyandeni, M (Melusi)				Opponent Mamle, M (Mpumelelo)
3	2	Tournament Grey College Team Championship 2025				Tournament Grey College Team Championship 2025
		date 2025-02-21	rnd 2	type Standard	result 1	date 2025-02-21	rnd 3	type Standard	result 1
		Opponent De Jager, J (Jandre)				Opponent Owen, Z (Zadrian)

#	Games	Start				End
1	4	Tournament D2 Schools Individuals 2023				Tournament 2023 West Rand RHS Open
		date 2023-05-13	rnd 5	type Standard	result 1	date 2023-06-10	rnd 3	type Standard	result 1
		Opponent Du Randt, Z (Zack)				Opponent Wesinyane, T (Tshireletso)
2	4	Tournament West Rand Juniors 2023				Tournament D2 Schools Individuals 2023
		date 2023-03-18	rnd 3	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Nyandeni, M (Melusi)				Opponent Mamle, M (Mpumelelo)
3	2	Tournament Grey College Team Championship 2025				Tournament Grey College Team Championship 2025
		date 2025-02-21	rnd 2	type Standard	result 1	date 2025-02-21	rnd 3	type Standard	result 1
		Opponent De Jager, J (Jandre)				Opponent Owen, Z (Zadrian)

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	Latchman ,A (Arya)	2	2	425	2	2	425	0	0	0	0	0	0
1	Latchman ,A (Arya)	2	1126.8	1551.8	2	1125.1	1551.8	0	0	0	0	0	0
2	Mnguni ,A (Atlegang)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Mnguni ,A (Atlegang)	2	1331.1	906.1	2	1331.2	906.1	0	0	0	0	0	0
3	Mtimkulu ,L (Lerato)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Mtimkulu ,L (Lerato)	2	1504.6	1079.6	2	1508.3	1079.6	0	0	0	0	0	0
4	Calitz ,Z (Zandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Calitz ,Z (Zandre)	1	1336.8	911.8	1	1300.6	911.8	0	0	0	0	0	0
5	Nyandeni ,M (Melusi)	1	1	425	1	1	425	0	0	0	0	0	0
5	Nyandeni ,M (Melusi)	1	1107.4	1532.4	1	1087.2	1532.4	0	0	0	0	0	0
6	Janelidze ,M (Mariam)	1	1	425	1	1	425	0	0	0	0	0	0
6	Janelidze ,M (Mariam)	1	1176	1601	1	1180.4	1601	0	0	0	0	0	0
7	Tau ,K (Kamohelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Tau ,K (Kamohelo)	1	1405.5	980.5	1	1406.1	980.5	0	0	0	0	0	0
8	Goliath ,Q (Quinn)	1	1	425	1	1	425	0	0	0	0	0	0
8	Goliath ,Q (Quinn)	1	1425.2	1850.2	1	1404.4	1850.2	0	0	0	0	0	0
9	Faurie ,J (Jarik)	1	1	425	1	1	425	0	0	0	0	0	0
9	Faurie ,J (Jarik)	1	1210.3	1635.3	1	1208.7	1635.3	0	0	0	0	0	0
10	Mthembu ,S (Siyabulela)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mthembu ,S (Siyabulela)	1	1459.6	1034.6	1	1457.4	1034.6	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

Mulder, A (Adriaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms