Chess South Africa Ratings Database

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Personal

Theunissen, A (Andrew)

Chess SA id

1090139778

FIDE id

14358743

Date of birth

2009-04-15 (U18)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-05-10

Personal details last changed

2025-04-23

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1455.2	1436.3	1191.6	1191.9
Raw rating	1455.2	1436.3	1191.6	1191.9
Weighted rating	1454.3	1431.8	1191.5	1191.8
Weighted performance	1343.3	1329.5	0	0
Floor	1013.7	989.9	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	115.3	118.4	167.8	167.7
Highest rating	1569.1 2024-03-01	1585.2 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1513.7 2024-04-01	1489.9 2024-04-01	1200 2020-01-01	1200 2020-01-01
Highest weighted rating	1439.3 2025-08-01	1416.2 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1569.1 2024-03-01	1585.2 2024-03-01	1200 2020-01-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.4	-7.2	0	0
New rating	1451.8	1429.1	1191.6	1191.9
Analysis
Rating	1455.2	1436.3	1191.6	1191.9
Raw rating	1455.2	1436.3	1191.6	1191.9
Weighted rating	1454.3	1431.8	1191.5
Weighted performance	1343.3	1329.5	0
K-factor	32	32	36	36
Floor	1013.7	989.9	700	700
Max/Min rating change allowed	115.3	118.4	167.8	167.7
Games	5	5	0	0
Score	1.5	1.5	0	0
Expected score	2.82	3	0	0
Score-Expected	-1.32	-1.5	0	0
Temp raw +/-	-42.2	-48	0	0
Final raw +/-	-42.2	-48	0	0
New raw rating	1413	1388.3	1191.6	1191.9
New weighted rating	1451.8	1429.1	1191.6	1191.8
New weighted performance	1292.2	1283.7	0	0
Temp new rating	1451.8	1429.1	1191.6	1191.9
Temp new rating +/-	-3.4	-7.2	0	0
Final new rating +/-	-3.4	-7.2	0	0
New rating	1451.8	1429.1	1191.6	1191.9
New K-factor	32	32	36	36
New floor	1013.7	989.9	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	32	32	0	0
	37	32	5	0
	37	30	0	7
	47	35	12	0
	0	0	0	0
History	153	129	17	7

Games since
	Main 69	Standard 64		Rapid 5		Blitz 0
Gender	Male
Age group	U18
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	1632		195		42
Male	1364		170		35
U18	265		33		9
U18 Male	232		32		8
Standard
	RSA		Province		Region
Overall	1721		215		48
Male	1418		182		40
U18	293		36		9
U18 Male	254		34		8
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	32	21	65.62	132.8	1320.4	1453.2
Standard	32	21	65.62	132.8	1320.4	1453.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	153	86.5	56.54	55.6	1268.8	1324.4
Standard	129	75	58.14	69.2	1277	1346.2
Rapid	17	8	47.06	-25	1211	1186
Blitz	7	3.5	50	0	1257.6	1257.6

Date	Main	Standard	Rapid	Blitz
2026-01-01	1455.2	1436.3	1191.6	1191.9
2025-11-30	1455.2	1436.3	1191.6	1191.9
2025-11-01	1455.2	1436.3	1191.6	1191.9
2025-09-30	1455.2	1436.3	1191.6	1191.9
2025-09-01	1455.2	1436.3	1191.6	1191.9
2025-08-01	1455.2	1436.3	1191.6	1191.9
2025-07-01	1455.2	1436.3	1191.6	1191.9
2025-06-01	1455.2	1436.3	1191.6	1191.9
2025-05-01	1458.9	1437.3	1191.6	1191.9
2025-04-01	1435.7	1407.5	1191.6	1191.9
2025-03-01	1471.3	1447	1191.6	1191.9
2025-02-01	1461.6	1427	1191.6	1191.9
2025-01-01	1450.5	1422.1	1191.6	1191.6
2024-12-01	1450.5	1422.1	1191.6	1191.6
2024-11-01	1450.5	1422.1	1191.6	1191.6
2024-10-01	1450.5	1422.1	1191.6	1191.6
2024-09-01	1450.5	1422.1	1191.6	1191.6
2024-11-01	1450.5	1422.1	1191.6	1191.6
2024-07-01	1461	1433.3	1191.6	1191.6
2024-06-01	1453.5	1422.1	1191.6	1191.6
2024-05-01	1513.7	1489.9	1191.6	1191.6
2024-04-01	1513.7	1489.9	1191.6	1191.6
2024-03-01	1307.2	1312	1191.6	1191.6
2024-02-01	1243.5	1240	1167.2	1191.6

Comming soon.

Tournaments

History

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCA Trial 1 2026 (U16+U18)	2026-01-17	2026-01-17	Standard	Sarah Baartman (ESB)	5	5	1.5	Yes	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCA Trial 1 2026 (U16+U18)	2026-01-17	2026-01-17	Standard	Sarah Baartman (ESB)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCA Trial 1 2026 (U16+U18)	2026-01-17	2026-01-17	Standard	Sarah Baartman (ESB)	5	5	1.5	Yes	Analysis
2	SBDCA Closed 2025 (U18 Boys)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	5	3	Yes	Analysis
3	SBD Trials J Bay 19 April 2025 (U18-Open)	2025-04-19	2025-04-19	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
4	SBDCA Trials GRT 22 March 2025 (U18)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	3	1	Yes	Analysis
5	SBDCU Graaff-Reinet Trials 2025 (U18)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
6	SBDCU Trials 3 2025 (U18)	2025-02-08	2025-02-08	Standard	Sarah Baartman (ESB)	5	4	3	Yes	Analysis
7	2025 SBDCU Trial 2 JBay (U20+Open)	2025-01-25	2025-01-25	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
8	Back 2 School 2025 (B)	2025-01-11	2025-01-11	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
9	SBDCU Closed Trials 2024 (U16 Boys)	2024-07-27	2024-07-27	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
10	SBDCU Trial 3 2024 (U16)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
11	Fountains Mall 2024 (B)	2024-05-17	2024-05-18	Standard	Sarah Baartman (ESB)	6	6	2.5	Yes	Analysis
12	SBDCU Trial 2 2024 (U16)	2024-03-23	2024-03-23	Standard	Sarah Baartman (ESB)	5	5	4.5	Yes	Analysis
13	Madibaz Chess Tournament 2024 (B)	2024-03-01	2024-03-02	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
14	SBDCU Trial 1 2024 (U16)	2024-02-23	2024-02-24	Standard	Sarah Baartman (ESB)	6	6	4.5	Yes	Analysis
15	YCA Otto Du Plessis Rapid 2024 (B)	2024-02-03	2024-02-03	Rapid	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
16	Eastern Cape Provincial Individual Championship 2023 (U16 Boys)	2023-10-05	2023-10-06	Standard	Nelson Mandela Bay (ENM)	7	7	2.5	Yes	Analysis
17	Eastern Cape Chess Team Championship 2023 (U16)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	2	2	Yes	Analysis
18	SBDCU Closed Trials 2023 (U16 Boys)	2023-07-28	2023-07-29	Standard	Sarah Baartman (ESB)	6	5	0.5	Yes	Analysis
19	Junior Chess Battles Blitz 2023 (B)	2023-07-16	2023-07-16	Blitz	Nelson Mandela Bay (ENM)	7	7	3.5	Yes	Analysis
20	Junior Chess Battles Classical 2023 (U16)	2023-07-15	2023-07-16	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
21	SBDCU Trial 2 2023 (U16)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
22	SBDCU Trial 1 2023 (U16)	2023-03-05	2023-03-05	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
23	Eatern Cape Provincial Chess Championship 2022 (U14 Boys)	2022-10-01	2022-10-01	Standard	Sarah Baartman (ESB)	7	6	2	Yes	Analysis
24	2022 Madibaz Physics Chess Open (D)	2022-10-07	2022-10-08	Rapid	Nelson Mandela Bay (ENM)	7	7	3	Yes	Analysis
25	2022 NMBCU Closed 2022 (U14)	2022-08-19	2022-08-20	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
26	2022 NMBCU Trial 4 (U14)	2022-08-12	2022-08-13	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
27	NMBCU Trial 3 2022 (U14)	2022-07-22	2022-07-23	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
28	2022 NMB Rapid & Blitz Championships (Rapid)	2022-07-02	2022-07-02	Rapid	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
29	2022 NMB Junior Trials 2 (U14)	2022-05-13	2022-05-14	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
30	2022 NMB Junior Trials 1 (U14)	2022-04-22	2022-04-23	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament Madibaz Chess Tournament 2024				Tournament Fountains Mall 2024
		date 2024-03-02	rnd 5	type Standard	result 1	date 2024-05-18	rnd 2	type Standard	result 0.5
		Opponent Murray, J (Jaydon)				Opponent Marais, J (Juan-Pierre)
2	6	Tournament SBDCU Trial 1 2024				Tournament Madibaz Chess Tournament 2024
		date 2024-02-24	rnd 4	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Perils, H (Heinrich)				Opponent Mclachlan, G (Geoffrey)
3	6	Tournament Junior Chess Battles Classical 2023				Tournament Junior Chess Battles Blitz 2023
		date 2023-07-15	rnd 2	type Standard	result 0.5	date 2023-07-16	rnd 1	type Blitz	result 0.5
		Opponent Dugmore, D (Deacon)				Opponent Dugmore, D (Deacon)

#	Games	Start				End
1	8	Tournament Madibaz Chess Tournament 2024				Tournament Fountains Mall 2024
		date 2024-03-02	rnd 5	type Standard	result 1	date 2024-05-18	rnd 2	type Standard	result 0.5
		Opponent Murray, J (Jaydon)				Opponent Marais, J (Juan-Pierre)
2	6	Tournament SBDCU Trial 1 2024				Tournament Madibaz Chess Tournament 2024
		date 2024-02-24	rnd 4	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Perils, H (Heinrich)				Opponent Mclachlan, G (Geoffrey)
3	6	Tournament 2022 NMBCU Trial 4				Tournament 2022 NMBCU Closed 2022
		date 2022-08-13	rnd 2	type Standard	result 1	date 2022-08-19	rnd 1	type Standard	result 1
		Opponent Felele, L (Liyolatha)				Opponent Pienaar, K (Keane)

#	Games	Start				End
1	2	Tournament YCA Otto Du Plessis Rapid 2024				Tournament YCA Otto Du Plessis Rapid 2024
		date 2024-02-03	rnd 3	type Rapid	result 1	date 2024-02-03	rnd 4	type Rapid	result 1
		Opponent Odufuwa, T (Thando)				Opponent Ngalimani, G (Gbenga)
2	2	Tournament 2022 Madibaz Physics Chess Open				Tournament 2022 Madibaz Physics Chess Open
		date 2022-10-07	rnd 2	type Rapid	result 1	date 2022-10-08	rnd 3	type Rapid	result 1
		Opponent Mangala, S (Sibonelo)				Opponent Bani, S (Sibabalwe)
3	1	Tournament YCA Otto Du Plessis Rapid 2024				Tournament YCA Otto Du Plessis Rapid 2024
		date 2024-02-03	rnd 1	type Rapid	result 1	date 2024-02-03	rnd 1	type Rapid	result 1
		Opponent Grootboom, T (Tesnay)				Opponent Grootboom, T (Tesnay)

#	Games	Start				End
1	2	Tournament Junior Chess Battles Blitz 2023				Tournament Junior Chess Battles Blitz 2023
		date 2023-07-16	rnd 3	type Blitz	result 1	date 2023-07-16	rnd 4	type Blitz	result 1
		Opponent Fairley, R (Ryan)				Opponent Phuluso, T (Tony)
2	1	Tournament Junior Chess Battles Blitz 2023				Tournament Junior Chess Battles Blitz 2023
		date 2023-07-16	rnd 6	type Blitz	result 1	date 2023-07-16	rnd 6	type Blitz	result 1
		Opponent Hutton, Y (Yale)				Opponent Hutton, Y (Yale)
3	1	Tournament Junior Chess Battles Blitz 2023				Tournament Junior Chess Battles Blitz 2023
		date 2023-07-16	rnd 1	type Blitz	result 0.5	date 2023-07-16	rnd 1	type Blitz	result 0.5
		Opponent Dugmore, D (Deacon)				Opponent Dugmore, D (Deacon)

#	Games	Start				End
1	5	Tournament Madibaz Chess Tournament 2024				Tournament SBDCU Trial 2 2024
		date 2024-03-02	rnd 5	type Standard	result 1	date 2024-03-23	rnd 4	type Standard	result 1
		Opponent Murray, J (Jaydon)				Opponent Myburgh, B (Bruce)
2	4	Tournament SBDCU Trials 3 2025				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Mcetywa, K (Khanya)				Opponent Olivier, H (Handru)
3	4	Tournament Back 2 School 2025				Tournament 2025 SBDCU Trial 2 JBay
		date 2025-01-11	rnd 3	type Standard	result 1	date 2025-01-25	rnd 1	type Standard	result 1
		Opponent Retief, E (Elandri)				Opponent Booysen, L (Leon)

#	Games	Start				End
1	5	Tournament Madibaz Chess Tournament 2024				Tournament SBDCU Trial 2 2024
		date 2024-03-02	rnd 5	type Standard	result 1	date 2024-03-23	rnd 4	type Standard	result 1
		Opponent Murray, J (Jaydon)				Opponent Myburgh, B (Bruce)
2	4	Tournament SBDCU Trials 3 2025				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Mcetywa, K (Khanya)				Opponent Olivier, H (Handru)
3	4	Tournament Back 2 School 2025				Tournament 2025 SBDCU Trial 2 JBay
		date 2025-01-11	rnd 3	type Standard	result 1	date 2025-01-25	rnd 1	type Standard	result 1
		Opponent Retief, E (Elandri)				Opponent Booysen, L (Leon)

#	Games	Start				End
1	2	Tournament YCA Otto Du Plessis Rapid 2024				Tournament YCA Otto Du Plessis Rapid 2024
		date 2024-02-03	rnd 3	type Rapid	result 1	date 2024-02-03	rnd 4	type Rapid	result 1
		Opponent Odufuwa, T (Thando)				Opponent Ngalimani, G (Gbenga)
2	2	Tournament 2022 Madibaz Physics Chess Open				Tournament 2022 Madibaz Physics Chess Open
		date 2022-10-07	rnd 2	type Rapid	result 1	date 2022-10-08	rnd 3	type Rapid	result 1
		Opponent Mangala, S (Sibonelo)				Opponent Bani, S (Sibabalwe)
3	1	Tournament YCA Otto Du Plessis Rapid 2024				Tournament YCA Otto Du Plessis Rapid 2024
		date 2024-02-03	rnd 1	type Rapid	result 1	date 2024-02-03	rnd 1	type Rapid	result 1
		Opponent Grootboom, T (Tesnay)				Opponent Grootboom, T (Tesnay)

#	Games	Start				End
1	2	Tournament Junior Chess Battles Blitz 2023				Tournament Junior Chess Battles Blitz 2023
		date 2023-07-16	rnd 3	type Blitz	result 1	date 2023-07-16	rnd 4	type Blitz	result 1
		Opponent Fairley, R (Ryan)				Opponent Phuluso, T (Tony)
2	1	Tournament Junior Chess Battles Blitz 2023				Tournament Junior Chess Battles Blitz 2023
		date 2023-07-16	rnd 6	type Blitz	result 1	date 2023-07-16	rnd 6	type Blitz	result 1
		Opponent Hutton, Y (Yale)				Opponent Hutton, Y (Yale)

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	Myburgh ,B (Bruce)	5	2.5	0	5	2.5	0	0	0	0	0	0	0
1	Myburgh ,B (Bruce)	5	1466.4	1466.4	5	1448.4	1466.4	0	0	0	0	0	0
2	Powell ,D (Dominic)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
2	Powell ,D (Dominic)	4	1550.3	1444.1	4	1533.7	1444.1	0	0	0	0	0	0
3	Salie ,R (Riaz)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Salie ,R (Riaz)	3	1462.8	1037.8	3	1442.7	1037.8	0	0	0	0	0	0
4	Kammies ,M (Montell)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
4	Kammies ,M (Montell)	3	1330.7	1047.3	3	1291.8	1047.3	0	0	0	0	0	0
5	Perils ,H (Heinrich)	3	3	425	3	3	425	0	0	0	0	0	0
5	Perils ,H (Heinrich)	3	1283.5	1708.5	3	1268.1	1708.5	0	0	0	0	0	0
6	Mcetywa ,K (Khanya)	3	3	425	3	3	425	0	0	0	0	0	0
6	Mcetywa ,K (Khanya)	3	1190.2	1615.2	3	1147.6	1615.2	0	0	0	0	0	0
7	Marx ,B (Bronwyn)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
7	Marx ,B (Bronwyn)	3	1339.1	1055.8	3	1312.2	1055.8	0	0	0	0	0	0
8	Krieger ,BCJ (Brian)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
8	Krieger ,BCJ (Brian)	3	1467.6	1467.6	3	1459.5	1467.6	0	0	0	0	0	0
9	Dugmore ,D (Deacon)	3	2	141.7	2	1.5	212.5	0	0	0	1	0.5	0
9	Dugmore ,D (Deacon)	3	1221	1362.7	2	1201.1	1433.5	0	0	0	1	1200	1221
10	Moller ,S (Sarah)	2	2	425	2	2	425	0	0	0	0	0	0
10	Moller ,S (Sarah)	2	1428	1853	2	1414.7	1853	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Theunissen, A (Andrew)

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Last 24 raw ratings

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Top 3 Streaks

Top 10 opponents most often played

Norms