Chess South Africa Ratings Database

PLAYER PAGE

Personal

Holwill, AJ (Alex)

Chess SA id

103012822

FIDE id

Date of birth

2003-07-14 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1555.1	1553.8	1146	1146
Raw rating	1555.1	1553.8	1146	1146
Weighted rating	1546.2	1552.7	1146	1146
Weighted performance	0	0	0	0
Floor	1065	1070.1	646	646
K-factor	32	32	40	40
Min/Max rating change allowed	100	100.2	179.1	179.1
Highest rating	1639.8 2023-09-01	1634.3 2023-09-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1565 2025-01-01	1570.1 2025-01-01	1146 2024-02-01	1146 2024-02-01
Highest weighted rating	1546.2 2025-11-01	1552.7 2025-11-01	1146 2024-11-01	1146 2024-11-01
Highest weighted performance	1639.8 2023-09-01	1634.3 2023-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0.4	0	0
New rating	1555.1	1554.2	1146	1146
Analysis
Rating	1555.1	1553.8	1146	1146
Raw rating	1555.1	1553.8	1146	1146
Weighted rating	1546.2	1552.7	1146
Weighted performance	0	0	0
K-factor	32	32	40	40
Floor	1065	1070.1	646	646
Max/Min rating change allowed	100	100.2	179.1	179.1
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	1555.1	1553.8	1146	1146
New weighted rating	1548.4	1554.2	1146	1146
New weighted performance	0	0	0	0
Temp new rating	1555.1	1554.2	1146	1146
Temp new rating +/-	0	0.4	0	0
Final new rating +/-	0	0.4	0	0
New rating	1555.1	1554.2	1146	1146
New K-factor	32	32	40	40
New floor	1065	1070.1	646	646

Item	Main	Standard	Rapid
	0	0	0
	2	2	0
	9	9	0
	16	16	0
	0	0	0
	0	0	0
History	244	221	23

Games since
	Main 20	Standard 20		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	2	0.5	25	-212.5	1607.5	1395
Standard	2	0.5	25	-212.5	1607.5	1395
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	27	17	62.96	110.2	1488.5	1598.7
Standard	27	17	62.96	110.2	1488.5	1598.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1555.1	1553.8	1146	1146
2025-09-30	1565	1570.1	1146	1146
2025-09-01	1565	1570.1	1146	1146
2025-08-01	1565	1570.1	1146	1146
2025-07-01	1565	1570.1	1146	1146
2025-06-01	1565	1570.1	1146	1146
2025-05-01	1565	1570.1	1146	1146
2025-04-01	1565	1570.1	1146	1146
2025-03-01	1565	1570.1	1146	1146
2025-02-01	1565	1570.1	1146	1146
2025-01-01	1565	1570.1	1146	1146
2024-12-01	1507	1518.6	1146	1146
2024-11-01	1507	1518.6	1146	1146
2024-10-01	1507	1518.6	1146	1146
2024-09-01	1507	1518.6	1146	1146
2024-08-01	1507	1518.6	1146	1146
2024-07-01	1507	1518.6	1146	1146
2024-09-01	1507	1518.6	1146	1146
2024-05-01	1507	1518.6	1146	1146
2024-04-01	1507	1518.6	1146	1146
2024-03-01	1507	1518.6	1146	1146
2024-02-01	1507	1518.6	1146	1146
2024-01-01	1507	1518.6	1146	1146
2023-12-01	1390.1	1385.5	1146	1146

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	Cape Town Chess Federation Club League 2025 (B)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	2	0.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (B)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	2	0.5	Yes	Analysis
2	USSA Chess Championships 2024 (Open)	2024-11-29	2024-12-03	Standard	Tshwane (GTP)	9	9	6.5	Yes	Analysis
3	2023 USSA Championships (Open)	2023-12-04	2023-12-08	Standard	Ethekwini (KED)	9	9	5.5	Yes	Analysis
4	WP Club League 2023 (B)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	7	4.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-11-30	rnd 4	type Standard	result 0.5	date 2024-12-03	rnd 9	type Standard	result 1
		Opponent Nene, K (Kwethemba)				Opponent Sidumo, A (Anga)
2	4	Tournament 2023 USSA Championships				Tournament 2023 USSA Championships
		date 2023-12-05	rnd 4	type Standard	result 1	date 2023-12-07	rnd 7	type Standard	result 1
		Opponent Maphumulo, L (Lungelo)				Opponent Tokoyi, R (Romeo)
3	4	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-08-26	rnd 8	type Standard	result 1
		Opponent Cunningham, L (Lezerick)				Opponent Willenberg, RC (Roland)

#	Games	Start				End
1	6	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-11-30	rnd 4	type Standard	result 0.5	date 2024-12-03	rnd 9	type Standard	result 1
		Opponent Nene, K (Kwethemba)				Opponent Sidumo, A (Anga)
2	4	Tournament 2023 USSA Championships				Tournament 2023 USSA Championships
		date 2023-12-05	rnd 4	type Standard	result 1	date 2023-12-07	rnd 7	type Standard	result 1
		Opponent Maphumulo, L (Lungelo)				Opponent Tokoyi, R (Romeo)
3	4	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-08-26	rnd 8	type Standard	result 1
		Opponent Cunningham, L (Lezerick)				Opponent Willenberg, RC (Roland)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2023 USSA Championships				Tournament 2023 USSA Championships
		date 2023-12-05	rnd 4	type Standard	result 1	date 2023-12-07	rnd 7	type Standard	result 1
		Opponent Maphumulo, L (Lungelo)				Opponent Tokoyi, R (Romeo)
2	3	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-12-02	rnd 7	type Standard	result 1	date 2024-12-03	rnd 9	type Standard	result 1
		Opponent Zitha, S (Smangaliso)				Opponent Sidumo, A (Anga)
3	2	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Cunningham, L (Lezerick)				Opponent Nyoni, G (Gabriel)

#	Games	Start				End
1	4	Tournament 2023 USSA Championships				Tournament 2023 USSA Championships
		date 2023-12-05	rnd 4	type Standard	result 1	date 2023-12-07	rnd 7	type Standard	result 1
		Opponent Maphumulo, L (Lungelo)				Opponent Tokoyi, R (Romeo)
2	3	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-12-02	rnd 7	type Standard	result 1	date 2024-12-03	rnd 9	type Standard	result 1
		Opponent Zitha, S (Smangaliso)				Opponent Sidumo, A (Anga)
3	2	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Cunningham, L (Lezerick)				Opponent Nyoni, G (Gabriel)

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	Willenberg ,RC (Roland Chester)	1	1	425	1	1	425	0	0	0	0	0	0
1	Willenberg ,RC (Roland Chester)	1	1664.4	2089.4	1	1648.5	2089.4	0	0	0	0	0	0
2	Sidumo ,A (Anga)	1	1	425	1	1	425	0	0	0	0	0	0
2	Sidumo ,A (Anga)	1	1701.2	2126.2	1	1728.2	2126.2	0	0	0	0	0	0
3	Maphumulo ,L (Lungelo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Maphumulo ,L (Lungelo)	1	1345	1770	1	1352.8	1770	0	0	0	0	0	0
4	Tokoyi ,R (Romeo)	1	1	425	1	1	425	0	0	0	0	0	0
4	Tokoyi ,R (Romeo)	1	1597.3	2022.3	1	1592.3	2022.3	0	0	0	0	0	0
5	Willenberg ,SR (Shaun Ralph)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Willenberg ,SR (Shaun Ralph)	1	1603.3	1178.3	1	1606.8	1178.3	0	0	0	0	0	0
6	Zitha ,S (Smangaliso)	1	1	425	1	1	425	0	0	0	0	0	0
6	Zitha ,S (Smangaliso)	1	1464.1	1889.1	1	1469.6	1889.1	0	0	0	0	0	0
7	Mthethwa ,S (Sanele)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Mthethwa ,S (Sanele)	1	1478.1	1478.1	1	1462.4	1478.1	0	0	0	0	0	0
8	Gordon ,E (Eugene)	1	1	425	1	1	425	0	0	0	0	0	0
8	Gordon ,E (Eugene)	1	1280.6	1705.6	1	1262.4	1705.6	0	0	0	0	0	0
9	Warambwa ,N (Neo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Warambwa ,N (Neo)	1	1396.8	1821.8	1	1401.9	1821.8	0	0	0	0	0	0
10	Tjebane ,B (Bohlale)	1	1	425	1	1	425	0	0	0	0	0	0
10	Tjebane ,B (Bohlale)	1	1237.9	1662.9	1	1209.6	1662.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Holwill, AJ (Alex)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms