Chess South Africa Ratings Database

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Personal

Van Eyssen, AJ (Arend)

Chess SA id

1080158610

FIDE id

Date of birth

2008-03-09 (U18)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

53.4

Junior GPX Points

1351.2

Item	Main	Standard	Rapid	Blitz
Rating	1433.6	1444.6	1194.6	1209.5
Raw rating	1432.7	1443.3	1194.6	1199.9
Weighted rating	1433.6	1444.6	1189.2	1209.5
Weighted performance	1331.3	1362.9	0	0
Floor	1003	996.4	702.9	733
K-factor	32	32	36	36
Min/Max rating change allowed	119	117.2	167.1	165.8
Highest rating	1654.6 2023-07-01	1655.6 2023-07-01	1231 2023-10-01	1233 2025-07-01
Highest raw rating	1503 2024-04-01	1496.4 2024-04-01	1202.9 2024-02-01	1233 2025-07-01
Highest weighted rating	1433.6 2025-11-01	1441.4 2025-09-30	1202.9 2024-07-01	1209.5 2025-11-01
Highest weighted performance	1654.6 2023-07-01	1655.6 2023-07-01	1231 2023-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	2.3	2.4	0	-0.4
New rating	1435.9	1447	1194.6	1209
Analysis
Rating	1433.6	1444.6	1194.6	1209.5
Raw rating	1432.7	1443.3	1194.6	1199.9
Weighted rating	1433.6	1444.6	1189.2
Weighted performance	1331.3	1362.9	0
K-factor	32	32	36	36
Floor	1003	996.4	702.9	733
Max/Min rating change allowed	119	117.2	167.1	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	1432.7	1443.3	1194.6	1199.9
New weighted rating	1435.9	1447	1189.6	1209
New weighted performance	1323.4	1354.7	0	0
Temp new rating	1435.9	1447	1194.6	1209
Temp new rating +/-	2.3	2.4	0	-0.4
Final new rating +/-	2.3	2.4	0	-0.4
New rating	1435.9	1447	1194.6	1209
New K-factor	32	32	36	36
New floor	1003	996.4	702.9	733

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	48	34	0	14
	71	60	11	0
	35	30	5	0
	0	0	0	0
	0	0	0	0
History	154	124	16	14

Games since
	Main 129	Standard 104		Rapid 11		Blitz 14
Gender	Male
Age group	U18
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1843		642		57
Male	1527		518		48
U18	290		108		10
U18 Male	252		89		9
Standard
	RSA		Province		Region
Overall	1636		605		53
Male	1358		489		44
U18	265		110		11
U18 Male	229		92		10
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	442		151		16
Male	404		134		15
U18	57		23		4
U18 Male	51		19		4


	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	48	22.5	46.88	-26.6	1476.8	1450.2
Standard	34	16	47.06	-25	1465.4	1440.4
Rapid	0	0	0	0	0	0
Blitz	14	6.5	46.43	-30.4	1504.5	1474.1
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	154	81.5	52.92	24.8	1369.3	1394.2
Standard	124	68	54.84	41.1	1362.1	1403.2
Rapid	16	7	43.75	-53.1	1306.9	1253.8
Blitz	14	6.5	46.43	-30.4	1504.5	1474.1

Date	Main	Standard	Rapid	Blitz
2025-11-01	1432.7	1443.3	1194.6	1199.9
2025-09-30	1436.5	1443.3	1194.6	1233
2025-09-01	1427.2	1432.8	1194.6	1233
2025-08-01	1427.2	1432.8	1194.6	1233
2025-07-01	1432.2	1431.2	1194.6	1233
2025-06-01	1466.1	1482.1	1194.6	1200
2025-05-01	1466.1	1482.1	1194.6	1200
2025-04-01	1466.1	1482.1	1194.6	1200
2025-03-01	1471.6	1487.9	1194.6	1200
2025-02-01	1438.7	1454.8	1194.6	1200
2025-01-01	1438.7	1454.8	1194.6	1200
2024-12-01	1458	1477.5	1194.6	1200
2024-11-01	1448.4	1474	1148.9	1200
2024-10-01	1418.9	1444.9	1148.9	1200
2024-09-01	1379.3	1406.8	1148.9	1200
2024-08-01	1379.3	1406.8	1148.9	1200
2024-07-01	1426.5	1406.8	1202.9	1200
2024-09-01	1457.8	1442	1202.9	1200
2024-05-01	1457.8	1442	1202.9	1200
2024-04-01	1503	1496.4	1202.9	1200
2024-03-01	1225	1234.1	1202.9	1200
2024-02-01	1225	1234.1	1202.9	1200
2024-01-01	1204.1	1212.1	1202.9	1200
2023-12-01	1204.1	1212.1	1202.9	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	Chess-in-the-Vaal Academy Blitz Open 25 Oct 2025 (A)	2025-10-25	2025-10-25	Blitz	Sedibeng (GSV)	7	7	2.5	Yes	Analysis
2	Sedibeng Chess Open 06 Sept 2025 (B)	2025-09-06	2025-09-06	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
3	Eureka Chess Open 26 July 2025 (B)	2025-07-26	2025-07-26	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
4	LS Vryheidsmonument Chess Open 21 Jun 2025 (B)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
5	HS Driehoek Chess Open 2025 (A+B)	2025-06-14	2025-06-14	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
6	Vaal Chess Club Blitz Open 31 May 2025 (A)	2025-05-31	2025-05-31	Blitz	Sedibeng (GSV)	7	7	4	Yes	Analysis
7	Hoerskool Drie Riviere Open 08 March 2025 (B)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
8	Laer Volkskool Open 15 Feb 2025 (A+B)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
9	Afrikaans High School Open 08 Feb 2025 (B)	2025-02-08	2025-02-08	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess-in-the-Vaal Academy Blitz Open 25 Oct 2025 (A)	2025-10-25	2025-10-25	Blitz	Sedibeng (GSV)	7	7	2.5	Yes	Analysis
2	Sedibeng Chess Open 06 Sept 2025 (B)	2025-09-06	2025-09-06	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
3	Eureka Chess Open 26 July 2025 (B)	2025-07-26	2025-07-26	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
4	LS Vryheidsmonument Chess Open 21 Jun 2025 (B)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
5	HS Driehoek Chess Open 2025 (A+B)	2025-06-14	2025-06-14	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
6	Vaal Chess Club Blitz Open 31 May 2025 (A)	2025-05-31	2025-05-31	Blitz	Sedibeng (GSV)	7	7	4	Yes	Analysis
7	Hoerskool Drie Riviere Open 08 March 2025 (B)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
8	Laer Volkskool Open 15 Feb 2025 (A+B)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
9	Afrikaans High School Open 08 Feb 2025 (B)	2025-02-08	2025-02-08	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
10	Gauteng Inter-Region at UJ 2024 (U18 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
11	Queens Gambit Chess Open 2024 (A)	2024-11-23	2024-11-23	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
12	Laerskool Midvaal Rapid 16 Nov 2024 (A+B)	2024-11-16	2024-11-16	Rapid	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
13	NWU Vaal Chess Open 12 Oct 2024 (C)	2024-10-12	2024-10-12	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
14	Kings Gambit Chess Open 14 Sept 2024 (B)	2024-09-14	2024-09-14	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
15	North School Primary Chess Open 2024 (B)	2024-08-31	2024-08-31	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
16	Midvaal Winter Classic 13 July 2024 (A)	2024-07-13	2024-07-13	Rapid	Sedibeng (GSV)	7	6	1	Yes	Analysis
17	AG Visser Open 2024 (B)	2024-06-08	2024-06-08	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
18	Hoerskool Overvaal Chess Open 2024 (B)	2024-04-20	2024-04-20	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
19	HS Drie Riviere Chess Open Section 2024	2024-03-09	2024-03-09	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
20	Valia's Open 2024 (C)	2024-03-02	2024-03-02	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
21	NG Kerk Vanderbijlpark Suid 2024 (C)	2024-02-24	2024-02-24	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
22	Laerskool Midvaal Chess Open Section 2024 (C)	2024-02-10	2024-02-10	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
23	2024 Gauteng Inter-Region Chess Championship (LSEN)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
24	Queens Gambit Chess Open 2023 (B)	2023-11-25	2023-11-25	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
25	Evaton Primary Chess Open 2023 (C)	2023-11-18	2023-11-18	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
26	Dr Pieter Hangelbroek Rapid 2023 (B)	2023-10-28	2023-10-28	Rapid	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
27	Fonteine Chess Open 2023 (B)	2023-09-02	2023-09-02	Standard	Sedibeng (GSV)	5	5	0	Yes	Analysis
28	Ekurhuleni Chess Spring Tournament 2023 (C)	2023-09-23	2023-09-23	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
29	NG Kerk Vanderbijlpark Suid Open 2023 (LSEN)	2023-08-26	2023-08-26	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
30	Eureka Open 2023 (LSEN)	2023-07-29	2023-07-29	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis

#	Games	Start				End
1	10	Tournament Laerskool Midvaal Chess Open Section 2024				Tournament Valia's Open 2024
		date 2024-02-10	rnd 5	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Steyn, M (Michelle)				Opponent Howat, LC (Logan)
2	10	Tournament Eureka Open 2023				Tournament NG Kerk Vanderbijlpark Suid Open 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-08-26	rnd 5	type Standard	result 1
		Opponent Bezuidenhout, C (Carlo)				Opponent Jansen, T (Timothy)
3	6	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament Laerskool Midvaal Chess Open Section 2024
		date 2024-01-13	rnd 3	type Standard	result 1	date 2024-02-10	rnd 3	type Standard	result 1
		Opponent Nhlapo, M (Mxolisi)				Opponent Brand, H (Henko)

#	Games	Start				End
1	10	Tournament Laerskool Midvaal Chess Open Section 2024				Tournament Valia's Open 2024
		date 2024-02-10	rnd 5	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Steyn, M (Michelle)				Opponent Howat, LC (Logan)
2	10	Tournament Eureka Open 2023				Tournament NG Kerk Vanderbijlpark Suid Open 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-08-26	rnd 5	type Standard	result 1
		Opponent Bezuidenhout, C (Carlo)				Opponent Jansen, T (Timothy)
3	6	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament Laerskool Midvaal Chess Open Section 2024
		date 2024-01-13	rnd 3	type Standard	result 1	date 2024-02-10	rnd 3	type Standard	result 1
		Opponent Nhlapo, M (Mxolisi)				Opponent Brand, H (Henko)

#	Games	Start				End
1	4	Tournament Laerskool Midvaal Rapid 16 Nov 2024				Tournament Laerskool Midvaal Rapid 16 Nov 2024
		date 2024-11-16	rnd 2	type Rapid	result 1	date 2024-11-16	rnd 5	type Rapid	result 0.5
		Opponent Van Staden, FJ (Frederik)				Opponent Mamabolo, B (Barnabas Joy)
2	2	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 4	type Rapid	result 0.5	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Horne, T (Tiaan)				Opponent Drotsky, R (Reynhardt)
3	1	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 6	type Rapid	result 1	date 2024-07-13	rnd 6	type Rapid	result 1
		Opponent Van Der Merwe, L (Lilee)				Opponent Van Der Merwe, L (Lilee)

#	Games	Start				End
1	2	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 5	type Blitz	result 1	date 2025-05-31	rnd 6	type Blitz	result 1
		Opponent Mokhele, T (Thulo)				Opponent Campher, H (Hannah)
2	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 3	type Blitz	result 1	date 2025-05-31	rnd 3	type Blitz	result 1
		Opponent Olivier, J (Jan-Hendrik)				Opponent Olivier, J (Jan-Hendrik)
3	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 1	type Blitz	result 1	date 2025-05-31	rnd 1	type Blitz	result 1
		Opponent Meyer, JS (Johannes Stephanus)				Opponent Meyer, JS (Johannes Stephanus)

#	Games	Start				End
1	6	Tournament Eureka Open 2023				Tournament NG Kerk Vanderbijlpark Suid Open 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-08-26	rnd 1	type Standard	result 1
		Opponent Bezuidenhout, C (Carlo)				Opponent Bogusch, C (Conrad Tumelo)
2	4	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Evaton Primary Chess Open 2023
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2023-11-18	rnd 3	type Standard	result 1
		Opponent Drotsky, R (Reynhardt)				Opponent Ntshangase, S (Siphiwe)
3	3	Tournament Eureka Chess Open 26 July 2025				Tournament Eureka Chess Open 26 July 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Barnard, M (Martin)				Opponent Netshilongwe, R (Rofhiwa)

#	Games	Start				End
1	6	Tournament Eureka Open 2023				Tournament NG Kerk Vanderbijlpark Suid Open 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-08-26	rnd 1	type Standard	result 1
		Opponent Bezuidenhout, C (Carlo)				Opponent Bogusch, C (Conrad Tumelo)
2	4	Tournament NWU Vaal Chess Open 12 Oct 2024				Tournament Queens Gambit Chess Open 2024
		date 2024-10-12	rnd 3	type Standard	result 1	date 2024-11-23	rnd 1	type Standard	result 1
		Opponent Kok, L (Largo)				Opponent Chibase, N (Nkosana)
3	4	Tournament Ekurhuleni Chess Spring Tournament 2023				Tournament Evaton Primary Chess Open 2023
		date 2023-09-23	rnd 5	type Standard	result 1	date 2023-11-18	rnd 3	type Standard	result 1
		Opponent Gemmell, Z (Zac)				Opponent Ntshangase, S (Siphiwe)

#	Games	Start				End
1	3	Tournament Laerskool Midvaal Rapid 16 Nov 2024				Tournament Laerskool Midvaal Rapid 16 Nov 2024
		date 2024-11-16	rnd 2	type Rapid	result 1	date 2024-11-16	rnd 4	type Rapid	result 1
		Opponent Van Staden, FJ (Frederik)				Opponent Howat, LC (Logan)
2	1	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 6	type Rapid	result 1	date 2024-07-13	rnd 6	type Rapid	result 1
		Opponent Van Der Merwe, L (Lilee)				Opponent Van Der Merwe, L (Lilee)
3	1	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Drotsky, R (Reynhardt)				Opponent Drotsky, R (Reynhardt)

#	Games	Start				End
1	2	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 5	type Blitz	result 1	date 2025-05-31	rnd 6	type Blitz	result 1
		Opponent Mokhele, T (Thulo)				Opponent Campher, H (Hannah)
2	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 3	type Blitz	result 1	date 2025-05-31	rnd 3	type Blitz	result 1
		Opponent Olivier, J (Jan-Hendrik)				Opponent Olivier, J (Jan-Hendrik)
3	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 1	type Blitz	result 1	date 2025-05-31	rnd 1	type Blitz	result 1
		Opponent Meyer, JS (Johannes Stephanus)				Opponent Meyer, JS (Johannes Stephanus)

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	Marimuthu ,S (Shaylen)	6	0.5	-354.2	6	0.5	-354.2	0	0	0	0	0	0
1	Marimuthu ,S (Shaylen)	6	1488	1133.8	6	1501.6	1133.8	0	0	0	0	0	0
2	Howat ,LC (Logan)	5	2.5	0	4	1.5	-106.2	1	1	425	0	0	0
2	Howat ,LC (Logan)	5	1328.4	1328.4	4	1297.7	1222.2	1	1181.6	1753.4	0	0	0
3	Van De Venter ,Z (Zandre)	5	3	85	4	3	212.5	0	0	0	1	0	-425
3	Van De Venter ,Z (Zandre)	5	1554.6	1639.6	4	1542.2	1767.1	0	0	0	1	1205	1129.6
4	Brand ,H (Henko)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
4	Brand ,H (Henko)	4	1522.2	1628.5	4	1495.7	1628.5	0	0	0	0	0	0
5	Olivier ,J (Jan-Hendrik)	4	1	-212.5	1	0	-425	2	0	-425	1	1	425
5	Olivier ,J (Jan-Hendrik)	4	1384.8	1172.3	1	1269.7	959.8	2	1197	959.8	1	1200	1809.8
6	Ntshangase ,S (Siphiwe)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
6	Ntshangase ,S (Siphiwe)	3	1364.9	1648.3	3	1388.5	1648.3	0	0	0	0	0	0
7	Campher ,H (Hannah)	3	2	141.7	2	1	0	0	0	0	1	1	425
7	Campher ,H (Hannah)	3	1390.6	1532.3	2	1413.7	1390.6	0	0	0	1	1154.8	1815.6
8	Van Der Merwe ,L (Lilee)	3	3	425	1	1	425	2	2	425	0	0	0
8	Van Der Merwe ,L (Lilee)	3	1145.7	1570.7	1	1159.7	1570.7	2	1181	1570.7	0	0	0
9	Kemp ,J (Jowan)	2	2	425	2	2	425	0	0	0	0	0	0
9	Kemp ,J (Jowan)	2	1473.3	1898.3	2	1465.9	1898.3	0	0	0	0	0	0
10	Emanuel ,C (Caitlin)	2	2	425	2	2	425	0	0	0	0	0	0
10	Emanuel ,C (Caitlin)	2	1364.6	1789.6	2	1352	1789.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Van Eyssen, AJ (Arend)

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Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms