Chess South Africa Ratings Database

PLAYER PAGE

Personal

Slabbert, A (Alex-Zander)

Chess SA id

1100105299

FIDE id

Date of birth

2010-05-03 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1345.4	1334.4	1200	1200
Raw rating	1321.4	1308.7	1200	1200
Weighted rating	1345.4	1334.4	1200	1200
Weighted performance	964	962.2	0	0
Floor	903.9	904.6	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	139.5	142	165.8	165.8
Highest rating	1403.9 2023-06-01	1404.6 2023-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1403.9 2023-06-01	1404.6 2023-06-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1403.9 2023-08-01	1404.6 2023-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1356.1 2020-01-01	1349.5 2018-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.9	-2.1	0	0
New rating	1343.5	1332.3	1200	1200
Analysis
Rating	1345.4	1334.4	1200	1200
Raw rating	1321.4	1308.7	1200	1200
Weighted rating	1345.4	1334.4	1200
Weighted performance	964	962.2	0
K-factor	32	32	36	36
Floor	903.9	904.6	700	700
Max/Min rating change allowed	139.5	142	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	1321.4	1308.7	1200	1200
New weighted rating	1343.5	1332.3	1200	1200
New weighted performance	956.7	954.9	0	0
Temp new rating	1343.5	1332.3	1200	1200
Temp new rating +/-	-1.9	-2.1	0	0
Final new rating +/-	-1.9	-2.1	0	0
New rating	1343.5	1332.3	1200	1200
New K-factor	32	32	36	36
New floor	903.9	904.6	700	700

Item	Main	Standard
	0	0
	8	8
	0	0
	10	10
	10	10
	5	5
History	76	76

Games since
	Main 8	Standard 8		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
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	8	3	37.5	-106.2	1357.6	1251.3
Standard	8	3	37.5	-106.2	1357.6	1251.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	76	47.5	62.5	106.2	1209.3	1315.6
Standard	76	47.5	62.5	106.2	1209.3	1315.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1321.4	1308.7	1200	1200
2025-09-30	1349.9	1341	1200	1200
2025-09-01	1349.9	1341	1200	1200
2025-08-01	1348.3	1337.3	1200	1200
2025-07-01	1348.3	1337.3	1200	1200
2025-06-01	1348.3	1337.3	1200	1200
2025-05-01	1348.3	1337.3	1200	1200
2025-04-01	1348.3	1337.3	1200	1200
2025-03-01	1348.3	1337.3	1200	1200
2025-02-01	1348.3	1337.3	1200	1200
2025-01-01	1345.5	1333.9	1200	1200
2024-12-01	1345.5	1333.9	1200	1200
2024-11-01	1345.5	1333.9	1200	1200
2024-10-01	1345.5	1333.9	1200	1200
2024-09-01	1345.5	1333.9	1200	1200
2024-08-01	1345.5	1333.9	1200	1200
2024-07-01	1345.5	1333.9	1200	1200
2024-09-01	1345.5	1333.9	1200	1200
2024-05-01	1345.5	1333.9	1200	1200
2024-04-01	1345.5	1333.9	1200	1200
2024-03-01	1345.5	1333.9	1200	1200
2024-02-01	1345.5	1333.9	1200	1200
2024-01-01	1345.5	1333.9	1200	1200
2023-12-01	1345.5	1333.9	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	2025 Gauteng Top Schools Teams (U15)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	D5 Teams 2025 (U15 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	3	3	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U15)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	D5 Teams 2025 (U15 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	3	3	2	Yes	Analysis
3	2023 Gauteng Top Schools (U13 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
4	Gauteng Schools Individual Finals 2023 (U13 Boys)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
5	2022 Gauteng Schools Team Championships (U13 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2022 Gauteng Schools Individual Chess Championship (U13 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
7	Ekurhuleni Trials (3)	2021-11-06	2021-11-06	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
8	2019 South African Junior Team Championships (U10B)	2020-01-08	2020-01-08	Standard	4 Knights (4K)	7	7	7	Yes	Analysis
9	2019 Gauteng School League Finals (U9 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
10	Springs Open 2019 (D)	2019-08-31	2019-08-31	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
11	Ekurhuleni Trials (3)	2019-06-08	2019-06-08	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
12	Ekurhuleni Trials 1 2019 (U10)	2019-03-09	2019-03-09	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
13	Springs Chess Club Open 2019 (D)	2019-02-09	2019-02-09	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
14	Alberton Chess Club Open 2019 (D)	2019-02-23	2019-02-23	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
15	D5 Primary Schools Teams 2018 (U9)	2018-08-17	2018-08-18	Standard	Ekurhuleni (GE)	6	6	4	Yes	Analysis

#	Games	Start				End
1	9	Tournament 2019 South African Junior Team Championships				Tournament Ekurhuleni Trials
		date 2020-01-04	rnd 1	type Standard	result 1	date 2021-11-06	rnd 2	type Standard	result 1
		Opponent Sankar, R (Rahil)				Opponent Pillman, L (Lana)
2	6	Tournament Ekurhuleni Trials				Tournament 2019 Gauteng School League Finals
		date 2019-06-08	rnd 4	type Standard	result 1	date 2019-08-23	rnd 4	type Standard	result 1
		Opponent Sibanyoni, P (Phumelele)				Opponent Ncube, S (Sandile)
3	4	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-08-27	rnd 4	type Standard	result 1
		Opponent Kheswa, S (Spholami)				Opponent Pretorius, PJ (Petrus)

#	Games	Start				End
1	9	Tournament 2019 South African Junior Team Championships				Tournament Ekurhuleni Trials
		date 2020-01-04	rnd 1	type Standard	result 1	date 2021-11-06	rnd 2	type Standard	result 1
		Opponent Sankar, R (Rahil)				Opponent Pillman, L (Lana)
2	6	Tournament Ekurhuleni Trials				Tournament 2019 Gauteng School League Finals
		date 2019-06-08	rnd 4	type Standard	result 1	date 2019-08-23	rnd 4	type Standard	result 1
		Opponent Sibanyoni, P (Phumelele)				Opponent Ncube, S (Sandile)
3	4	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-08-27	rnd 4	type Standard	result 1
		Opponent Kheswa, S (Spholami)				Opponent Pretorius, PJ (Petrus)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament 2019 South African Junior Team Championships				Tournament Ekurhuleni Trials
		date 2020-01-04	rnd 1	type Standard	result 1	date 2021-11-06	rnd 2	type Standard	result 1
		Opponent Sankar, R (Rahil)				Opponent Pillman, L (Lana)
2	6	Tournament Ekurhuleni Trials				Tournament 2019 Gauteng School League Finals
		date 2019-06-08	rnd 4	type Standard	result 1	date 2019-08-23	rnd 4	type Standard	result 1
		Opponent Sibanyoni, P (Phumelele)				Opponent Ncube, S (Sandile)
3	4	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-08-27	rnd 4	type Standard	result 1
		Opponent Kheswa, S (Spholami)				Opponent Pretorius, PJ (Petrus)

#	Games	Start				End
1	9	Tournament 2019 South African Junior Team Championships				Tournament Ekurhuleni Trials
		date 2020-01-04	rnd 1	type Standard	result 1	date 2021-11-06	rnd 2	type Standard	result 1
		Opponent Sankar, R (Rahil)				Opponent Pillman, L (Lana)
2	6	Tournament Ekurhuleni Trials				Tournament 2019 Gauteng School League Finals
		date 2019-06-08	rnd 4	type Standard	result 1	date 2019-08-23	rnd 4	type Standard	result 1
		Opponent Sibanyoni, P (Phumelele)				Opponent Ncube, S (Sandile)
3	4	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-08-27	rnd 4	type Standard	result 1
		Opponent Kheswa, S (Spholami)				Opponent Pretorius, PJ (Petrus)

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	Van Der Merwe ,S (Stefan)	2	1	0	2	1	0	0	0	0	0	0	0
1	Van Der Merwe ,S (Stefan)	2	1200	1200	2	1200	1200	0	0	0	0	0	0
2	Bothma ,J (Jaculene)	2	1	0	2	1	0	0	0	0	0	0	0
2	Bothma ,J (Jaculene)	2	1024.6	1024.6	2	1027.3	1024.6	0	0	0	0	0	0
3	Van Der Linde ,B (Bennie)	2	2	425	2	2	425	0	0	0	0	0	0
3	Van Der Linde ,B (Bennie)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
4	Labuschagne ,M (Melindie)	2	2	425	2	2	425	0	0	0	0	0	0
4	Labuschagne ,M (Melindie)	2	1170.2	1595.2	2	1166.4	1595.2	0	0	0	0	0	0
5	Rudman ,W (Wikus)	2	1	0	2	1	0	0	0	0	0	0	0
5	Rudman ,W (Wikus)	2	1200	1200	2	1200	1200	0	0	0	0	0	0
6	Emechebe ,C (Chiamaka)	1	1	425	1	1	425	0	0	0	0	0	0
6	Emechebe ,C (Chiamaka)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Dalal ,S (Suryansh)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Dalal ,S (Suryansh)	1	1214.8	789.8	1	1200	789.8	0	0	0	0	0	0
8	Chamika ,A (Ayanda)	1	1	425	1	1	425	0	0	0	0	0	0
8	Chamika ,A (Ayanda)	1	1184.9	1609.9	1	1196.8	1609.9	0	0	0	0	0	0
9	Maseko ,S (Sibusiso)	1	1	425	1	1	425	0	0	0	0	0	0
9	Maseko ,S (Sibusiso)	1	1460.8	1885.8	1	1448.9	1885.8	0	0	0	0	0	0
10	Pienaar ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Pienaar ,K (Kyle)	1	1396.3	971.3	1	1390.9	971.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Slabbert, A (Alex-Zander)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms