Chess South Africa Ratings Database

PLAYER PAGE

Personal

Slabbert, D (Deon)

Chess SA id

108070879

FIDE id

Date of birth

2008-10-08 (U18)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1390.6

Item	Main	Standard	Rapid	Blitz
Rating	1475.2	1465.5	1226	707.6
Raw rating	1475.2	1465.5	1226	707.6
Weighted rating	1475	1465.2	1194	707.6
Weighted performance	1290.3	1283.5	0	0
Floor	1019.4	1012.8	726	500
K-factor	32	32	36	40
Min/Max rating change allowed	112	113.6	159.8	334.4
Highest rating	1548.9 2024-04-01	1537.2 2024-03-01	1548.9 2018-03-01	1200 2024-02-01
Highest raw rating	1519.4 2024-05-01	1512.8 2024-05-01	1226 2024-09-01	707.6 2024-02-01
Highest weighted rating	1475.2 2025-08-01	1465.5 2025-08-01	1226 2024-11-01	707.6 2024-11-01
Highest weighted performance	1548.9 2024-04-01	1537.2 2024-03-01	1548.9 2018-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1475.2	1465.5	1226	707.6
Analysis
Rating	1475.2	1465.5	1226	707.6
Raw rating	1475.2	1465.5	1226	707.6
Weighted rating	1475	1465.2	1194
Weighted performance	1290.3	1283.5	0
K-factor	32	32	36	40
Floor	1019.4	1012.8	726	500
Max/Min rating change allowed	112	113.6	159.8	334.4
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	1475.2	1465.5	1226	707.6
New weighted rating	1474.7	1465	1201.4	707.6
New weighted performance	1281.9	1275.2	0	0
Temp new rating	1475.2	1465.5	1226	707.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1475.2	1465.5	1226	707.6
New K-factor	32	32	36	40
New floor	1019.4	1012.8	726	500

Item	Main	Standard	Rapid
	0	0	0
	10	10	0
	65	51	14
	48	48	0
	24	24	0
	0	0	0
History	341	298	43

Games since
	Main 75	Standard 61		Rapid 14		Blitz 0
Gender	Male
Age group	U18
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	1459		174		61
Male	1232		152		55
U18	226		28		7
U18 Male	201		27		7
Standard
	RSA		Province		Region
Overall	1478		179		59
Male	1241		156		53
U18	231		29		7
U18 Male	204		27		7
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	10	7	70	170	1319.9	1489.9
Standard	10	7	70	170	1319.9	1489.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	230	150.5	65.43	131.2	1209.3	1340.5
Standard	210	133	63.33	113.3	1207.3	1320.6
Rapid	20	17.5	87.5	318.8	1230.5	1549.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1475.2	1465.5	1226	707.6
2025-09-30	1475.2	1465.5	1226	707.6
2025-09-01	1475.2	1465.5	1226	707.6
2025-08-01	1475.2	1465.5	1226	707.6
2025-07-01	1474.8	1465.1	1226	707.6
2025-06-01	1474	1464.4	1226	707.6
2025-05-01	1472.9	1463.3	1226	707.6
2025-04-01	1471.5	1462.3	1226	707.6
2025-03-01	1482.3	1476.8	1226	707.6
2025-02-01	1464.8	1455	1226	707.6
2025-01-01	1437.3	1423.2	1226	707.6
2024-12-01	1450.7	1439.2	1226	707.6
2024-11-01	1450.7	1439.2	1226	707.6
2024-10-01	1450.7	1439.2	1226	707.6
2024-09-01	1507.3	1503.2	1226	707.6
2024-08-01	1512.3	1493.9	1157.6	707.6
2024-07-01	1499.2	1489.4	1014	707.6
2024-09-01	1499.2	1489.4	1014	707.6
2024-05-01	1519.4	1512.8	1014	707.6
2024-04-01	1512.5	1508.3	924.4	707.6
2024-03-01	1506.3	1500.9	924.4	707.6
2024-02-01	1463.6	1452.2	924.4	707.6
2024-01-01	1463.6	1452.2	924.4	707.6
2023-12-01	1463.6	1452.2	924.4	707.6

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	NMB 2nd Trials 2025 (U18)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	5	3	Yes	Analysis
2	Pearson High Chess Festival 2025 (B)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	NMB 2nd Trials 2025 (U18)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	5	3	Yes	Analysis
2	Pearson High Chess Festival 2025 (B)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
3	Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Championship)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	3.5	Yes	Analysis
4	NMBCU Club League 2024 (A)	2024-07-24	2024-09-22	Standard	Nelson Mandela Bay (ENM)	6	2	1	Yes	Analysis
5	NMBCU Closed 2024 (U18)	2024-09-20	2024-09-21	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
6	NMBCU Trial 5 2024 (U18)	2024-08-16	2024-08-17	Standard	Nelson Mandela Bay (ENM)	6	5	2.5	Yes	Analysis
7	DSRAC Trials (Nelson Mandela Metro)	2024-08-10	2024-08-10	Rapid	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
8	UCC Royal Cup Classic July 2024 (A)	2024-07-09	2024-08-06	Standard	Nelson Mandela Bay (ENM)	5	2	2	Yes	Analysis
9	NMBCU Trials 4 2024 (U18)	2024-07-12	2024-07-13	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
10	Uitenhage Chess Club Rapid June 2024	2024-06-18	2024-07-02	Rapid	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
11	NMBCU Trial 3 2024 (U18)	2024-05-10	2024-05-11	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
12	Spartan Bishops Chess Championships 2024 (Bishops)	2024-05-04	2024-05-05	Standard	Bojanala Platina (NBR)	5	0	0	No	Analysis
13	NMBCU Trials 2 2024 (U18)	2024-04-12	2024-04-13	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
14	UCC Blitz Tournamen March 2024	2024-03-26	2024-04-02	Rapid	Nelson Mandela Bay (ENM)	6	3	3	Yes	Analysis
15	UCC Protea Cup 2024 (A)	2024-02-20	2024-03-26	Standard	Nelson Mandela Bay (ENM)	5	1	1	Yes	Analysis
16	NMBCU Trials 1 2024 (U18)	2024-02-16	2024-02-16	Standard	Nelson Mandela Bay (ENM)	6	5	4	Yes	Analysis
17	Pearson Open Chess Tournament 2024 (B)	2024-02-23	2024-02-24	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
18	UCC Club Champs 2023 (A)	2023-10-17	2023-11-14	Standard	Nelson Mandela Bay (ENM)	5	2	1	Yes	Analysis
19	Eastern Cape Provincial Individual Championship 2023 (U16 Boys)	2023-10-05	2023-10-06	Standard	Nelson Mandela Bay (ENM)	7	7	4.5	Yes	Analysis
20	Eastern Cape Chess Team Championship 2023 (U16)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	4	4	Yes	Analysis
21	UCC Presidential Cup 2023 (A)	2023-07-18	2023-08-15	Standard	Nelson Mandela Bay (ENM)	5	2	1	Yes	Analysis
22	NMBCU Closed 2023 (U16)	2023-08-11	2023-08-12	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
23	NMBCU Trial 4 2023 (U16)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
24	UCC Protea Cup 2023 (A)	2023-04-14	2023-05-30	Standard	Nelson Mandela Bay (ENM)	8	2	1	Yes	Analysis
25	EP Trials 3 2023 (U16)	2023-05-05	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
26	NMB 2nd Trials 2023 (U16)	2023-03-24	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
27	NMB 1st Trials 2023 (U16)	2023-02-17	2023-02-18	Standard	Nelson Mandela Bay (ENM)	6	3	2	Yes	Analysis
28	2023 Pearson Open Chess Tournament (B)	2023-02-24	2023-02-25	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
29	2022 NMBCU Closed 2022 (U16)	2022-08-19	2022-08-20	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
30	2022 NMBCU Trial 4 (U16)	2022-08-12	2022-08-13	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
31	NMBCU Trial 3 2022 (U16)	2022-07-22	2022-07-23	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
32	2022 NMB Junior Trials 2 (U14)	2022-05-13	2022-05-14	Standard	Nelson Mandela Bay (ENM)	6	2	2	Yes	Analysis
33	2022 NMB Junior Trials 1 (U14)	2022-04-22	2022-04-23	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
34	2019 South African Junior Team Championships (U12A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
35	NMBYCC Closed 2019 (U12)	2019-07-26	2019-07-27	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
36	Nelson Mandela Bay Junior Trials 4 2019 (U12)	2019-07-12	2019-07-13	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
37	Nelson Mandela Bay Junior Chess Trials 2 2019 (U12)	2019-04-05	2019-04-06	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
38	NMBCU Trials 1 2019 (U12)	2019-03-08	2019-03-09	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
39	South African Junior Team Championships 2018 (U12B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
40	NMBJC Closed 2018 (U12)	2018-07-27	2018-07-28	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
41	NMBJC Trials 4 2018 (U12)	2018-07-20	2018-07-21	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
42	NMB Youth Chess Trial 3 2018 (U12)	2018-05-11	2018-05-12	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
43	NMB Second Trials 2018 (U12)	2018-04-20	2018-04-22	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
44	NMB First Trails 2018 (U12)	2018-03-23	2018-03-24	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
45	2018 Boardwalk Pearson Open (Devlopment)	2018-03-17	2018-03-17	Rapid	Nelson Mandela Bay (ENM)	6	6	6	Yes	Analysis
46	Registration Tournament 2018 (B)	2018-02-23	2018-02-24	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
47	South African Junior Team Championships 2017 (U10A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5.5	Yes	Analysis

#	Games	Start				End
1	13	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 2 2024
		date 2024-02-16	rnd 5	type Standard	result 1	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Collett, S (Samuel)				Opponent Collett, S (Samuel)
2	11	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament NMB 2nd Trials 2025
		date 2024-12-17	rnd 4	type Standard	result 0.5	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Steenkamp, P (Preston)				Opponent Gie, L (Luca)
3	9	Tournament 2018 Boardwalk Pearson Open				Tournament NMB First Trails 2018
		date 2018-03-17	rnd 1	type Rapid	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Joubert, A (Aiden)				Opponent Lamont, J (Joshua)

#	Games	Start				End
1	11	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament NMB 2nd Trials 2025
		date 2024-12-17	rnd 4	type Standard	result 0.5	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Steenkamp, P (Preston)				Opponent Gie, L (Luca)
2	10	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 2 2024
		date 2024-02-16	rnd 5	type Standard	result 1	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Collett, S (Samuel)				Opponent Collett, S (Samuel)
3	8	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament UCC Club Champs 2023
		date 2023-10-06	rnd 5	type Standard	result 0.5	date 2023-10-17	rnd 1	type Standard	result 1
		Opponent Marais, R (Ryan)				Opponent Ramasammy-Cook, N (Namasivayan)

#	Games	Start				End
1	12	Tournament 2018 Boardwalk Pearson Open				Tournament Uitenhage Chess Club Rapid June 2024
		date 2018-03-17	rnd 1	type Rapid	result 1	date 2024-06-25	rnd 3	type Rapid	result 1
		Opponent Joubert, A (Aiden)				Opponent Mclachlan, G (Geoffrey)
2	5	Tournament Uitenhage Chess Club Rapid June 2024				Tournament DSRAC Trials
		date 2024-07-02	rnd 5	type Rapid	result 1	date 2024-08-10	rnd 3	type Rapid	result 1
		Opponent Mellet, A (Andries)				Opponent Camphor, T (Thejo)
3	1	Tournament DSRAC Trials				Tournament DSRAC Trials
		date 2024-08-10	rnd 5	type Rapid	result 1	date 2024-08-10	rnd 5	type Rapid	result 1
		Opponent Anthony, J (Jarod)				Opponent Anthony, J (Jarod)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament 2018 Boardwalk Pearson Open				Tournament NMB First Trails 2018
		date 2018-03-17	rnd 1	type Rapid	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Joubert, A (Aiden)				Opponent Lamont, J (Joshua)
2	7	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament UCC Club Champs 2023
		date 2023-10-06	rnd 6	type Standard	result 1	date 2023-10-17	rnd 1	type Standard	result 1
		Opponent Mtshekexe, U (Usemhle)				Opponent Ramasammy-Cook, N (Namasivayan)
3	6	Tournament UCC Protea Cup 2024				Tournament NMBCU Trials 2 2024
		date 2024-03-19	rnd 5	type Standard	result 1	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Barnard, C (Connor)				Opponent Collett, S (Samuel)

#	Games	Start				End
1	7	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament UCC Club Champs 2023
		date 2023-10-06	rnd 6	type Standard	result 1	date 2023-10-17	rnd 1	type Standard	result 1
		Opponent Mtshekexe, U (Usemhle)				Opponent Ramasammy-Cook, N (Namasivayan)
2	6	Tournament NMBCU Trial 4 2023				Tournament NMBCU Closed 2023
		date 2023-07-29	rnd 3	type Standard	result 1	date 2023-08-12	rnd 2	type Standard	result 1
		Opponent Palmer, A (Ashlynn)				Opponent Wagner, J (Jayden)
3	6	Tournament 2022 NMBCU Closed 2022				Tournament NMB 1st Trials 2023
		date 2022-08-20	rnd 2	type Standard	result 1	date 2023-02-18	rnd 2	type Standard	result 1
		Opponent Grigor, R (Ruan)				Opponent Van Der Mescht, D (Dillon)

#	Games	Start				End
1	12	Tournament 2018 Boardwalk Pearson Open				Tournament Uitenhage Chess Club Rapid June 2024
		date 2018-03-17	rnd 1	type Rapid	result 1	date 2024-06-25	rnd 3	type Rapid	result 1
		Opponent Joubert, A (Aiden)				Opponent Mclachlan, G (Geoffrey)
2	3	Tournament DSRAC Trials				Tournament DSRAC Trials
		date 2024-08-10	rnd 1	type Rapid	result 1	date 2024-08-10	rnd 3	type Rapid	result 1
		Opponent Jezi, A (Aluvuyo)				Opponent Camphor, T (Thejo)
3	1	Tournament DSRAC Trials				Tournament DSRAC Trials
		date 2024-08-10	rnd 5	type Rapid	result 1	date 2024-08-10	rnd 5	type Rapid	result 1
		Opponent Anthony, J (Jarod)				Opponent Anthony, J (Jarod)

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	Bouwer ,R (Ruben)	9	6	141.7	9	6	141.7	0	0	0	0	0	0
1	Bouwer ,R (Ruben)	9	1051.5	1193.2	9	1066.9	1193.2	0	0	0	0	0	0
2	Chipunza ,J (James)	8	1.5	-265.6	8	1.5	-265.6	0	0	0	0	0	0
2	Chipunza ,J (James)	8	1476.1	1210.4	8	1465.8	1210.4	0	0	0	0	0	0
3	Peter ,NM (Neathan Mninawa)	6	0	-425	6	0	-425	0	0	0	0	0	0
3	Peter ,NM (Neathan Mninawa)	6	1756.2	1331.2	6	1754.4	1331.2	0	0	0	0	0	0
4	Naidoo ,KP (Keenan Paven)	5	2	-85	5	2	-85	0	0	0	0	0	0
4	Naidoo ,KP (Keenan Paven)	5	1106.8	1021.8	5	1096.5	1021.8	0	0	0	0	0	0
5	Grigor ,R (Ruan)	5	2.5	0	5	2.5	0	0	0	0	0	0	0
5	Grigor ,R (Ruan)	5	1377.3	1377.3	5	1376.7	1377.3	0	0	0	0	0	0
6	Wagner ,J (Jayden)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
6	Wagner ,J (Jayden)	4	1261.1	1473.6	4	1245	1473.6	0	0	0	0	0	0
7	Collett ,S (Samuel)	4	4	425	4	4	425	0	0	0	0	0	0
7	Collett ,S (Samuel)	4	1305.4	1730.4	4	1311.4	1730.4	0	0	0	0	0	0
8	Cerfonteyn ,Z (Zeenat)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
8	Cerfonteyn ,Z (Zeenat)	4	1224.4	1436.9	4	1215.4	1436.9	0	0	0	0	0	0
9	Gcwabe ,O (Othandwayo)	4	2	0	4	2	0	0	0	0	0	0	0
9	Gcwabe ,O (Othandwayo)	4	1441.6	1441.6	4	1464.8	1441.6	0	0	0	0	0	0
10	Peter ,N (Noah)	4	0	-425	4	0	-425	0	0	0	0	0	0
10	Peter ,N (Noah)	4	1498.1	1073.1	4	1503.2	1073.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Slabbert, D (Deon)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms