PLAYER PAGE

Petrus van der Walt Vermeulen

1140134191
Pixley-ka-Seme (NCP)
Personal
Main rating
Rating 1627.1
K-factor 28
Floor 1127.1
Highest 1627.1 (2026-02-28)
Min/Max +/- allowed 90
Rating Change
()
Games 9
Score 4
We 5.5
SWe -1.5
Temp +/- -42
Penalties 0
Weight perform 1557.9
Final +/- -42
New Rating
()
Rating 1585.1
K-factor 28
Floor 1127.1
Highest 1627.1 (2026-02-28)
Min/Max +/- allowed 90.2
Standard rating
Rating 1635.8
K-factor 28
Floor 1135.8
Highest 1635.8 (2026-02-28)
Min/Max +/- allowed 89.1
Rating Change
()
Games 9
Score 4
We 5.64
SWe -1.64
Temp +/- -46.1
Penalties 0
Weight perform 1557.9
Final +/- -46.1
New Rating
()
Rating 1589.8
K-factor 28
Floor 1135.8
Highest 1635.8 (2026-02-28)
Min/Max +/- allowed 89.1
Rapid rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Junior Closed Chess Championship 2026 (U12 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1627.1 9 4 1488.5 -42 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 De Aar Open Chess Tournament 2026 (B) Standard 2026-01-31 2026-01-31 Pixley-ka-Seme (NCP) 5 1619.7 5 4.5 1664.8 3.1 Details
2 Hopetown Chess Tournament 2026 (U14) Standard 2026-02-07 2026-02-07 Pixley-ka-Seme (NCP) 5 1619.7 5 4 1614.7 0.8 Details
3 2025 Mzansi Individual Championships (U12 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1574.9 6 4 1568 -0.8 Details
4 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1574.9 6 5.5 1807.2 28.7 Details
5 Northern Cape Closed 202 (U12 Open) Standard 2025-08-22 2025-08-23 ZF Mgcawu (NZF) 5 1544.9 5 5 1704 17.1 Details
6 De Aar Primary School 2025 (U14) Standard 2025-08-16 2025-08-16 Pixley-ka-Seme (NCP) 5 1544.9 5 3 1416.2 -13.3 Details
7 Hopetown Schools Open 2025 (U13) Standard 2025-08-01 2025-08-01 Pixley-ka-Seme (NCP) 5 1544.9 5 5 1700.7 14.8 Details
8 KCC School Holiday Tournament 2.0 2025 Standard 2025-07-02 2025-07-02 Frances Baard (NCF) 5 1544.7 5 3 1472.2 -6.2 Details
9 Karpov Chess Club Open 2025 Standard 2025-03-15 2025-03-15 Frances Baard (NCF) 5 1561.8 5 2.5 1369.3 -17.9 Details
10 2025 HSDA School Chess Tournament (U13) Standard 2025-02-08 2025-02-08 Pixley-ka-Seme (NCP) 5 1537.3 5 5 1682 15.3 Details
11 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1560.2 7 4 1507.3 -7.6 Details
12 2024 Kimberley Chess Club Christmas Open (Rooks) Standard 2024-12-07 2024-12-07 Frances Baard (NCF) 5 1560.2 5 3 1455.4 -8.6 Details
13 2024 Hopetown Schools Chess Tournament (U15-U19) Standard 2024-10-12 2024-10-12 Pixley-ka-Seme (NCP) 5 1585.7 5 3 1411.9 -16 Details
14 2024 Moja Chess Extravaganza (D) Standard 2024-09-25 2024-09-26 Frances Baard (NCF) 5 1527.9 5 4.5 1751.9 23 Details
15 Hopetown Schools Chess Tournament 2024 (U13) Standard 2024-08-17 2024-08-17 Pixley-ka-Seme (NCP) 5 1565.4 5 5 1725.5 15.5 Details
16 2024 NC Closed Chess Championships (U12 Open) Standard 2024-08-23 2024-08-25 Frances Baard (NCF) 5 1565.4 5 4 1520.1 -4 Details
17 Womens Day Tournament 024 (A) Standard 2024-08-09 2024-08-09 Frances Baard (NCF) 5 1565.4 5 2.5 1263.2 -28.6 Details
18 2024 Pixley Ka Seme Chess Schools Open 2 (U13) Standard 2024-08-03 2024-08-03 Pixley-ka-Seme (NCP) 5 1565.4 5 4 1489.7 -6.4 Details
19 2024 HSDA Open 3 (U13) Standard 2024-07-27 2024-07-27 Pixley-ka-Seme (NCP) 5 1565.4 5 5 1691.8 12.8 Details
20 2024 Frances Baard Grand Prix 2.0 (B) Standard 2024-07-06 2024-07-06 Frances Baard (NCF) 5 1565.4 4 3 1381 -12.8 Details
21 Spartan Bishops Chess Championships 2024 (Big Pawns) Standard 2024-05-04 2024-05-05 Bojanala Platina (NBR) 5 1543.6 5 4 1673.6 13.6 Details
22 Hopetown Open Chess Tournament 2024 (U14) Standard 2024-02-10 2024-02-10 Frances Baard (NCF) 5 1492.5 5 5 1647.8 15 Details
23 2024 Frances Baard Schools Open (U11) Standard 2024-02-03 2024-02-03 Frances Baard (NCF) 5 1492.5 5 5 1668.8 17 Details
24 Hopetown Chess Open Tournament 2023 (U14-U18) Standard 2023-08-05 2023-08-05 Pixley-ka-Seme (NCP) 5 1520.6 5 3 1325.5 -19.5 Details
25 2023 Northern Cape Closed Chess Championships (U8+U10 Open) Standard 2023-08-25 2023-08-27 Frances Baard (NCF) 5 1520.6 5 4 1541.4 1.9 Details
26 Hopetown School Chess Open Tournament 2023 (U11+U13) Standard 2023-05-06 2023-05-06 Pixley-ka-Seme (NCP) 5 1430.6 5 5 1608.6 17.1 Details
27 Inter Regional Chess Championship 2023 (U10) Standard 2023-05-19 2023-05-20 Mangaung (FMB) 5 1430.6 5 5 1680.8 24.2 Details
28 Hopetown Schools Chess Open Tournament 2023 (U13) Standard 2023-02-25 2023-02-25 John Taolo Gaetswewe (NCJ) 5 1463.9 5 3 1251.2 -20.7 Details
29 Pixley Chess Trials 2022 (U10) Standard 2022-09-03 2022-09-03 Pixley-ka-Seme (NCP) 5 1372.9 5 5 1641.3 27.4 Details
30 Kimberley Chess Club Development Tournament 2022 (A) Standard 2022-08-20 2022-08-20 Frances Baard (NCF) 5 1287.4 5 5 1612 31.4 Details
31 Hopetown Chess Club Open Tournament 2022 (U7-U11) Standard 2022-05-14 2022-05-14 John Taolo Gaetswewe (NCJ) 5 1246.5 4 3 1344.1 7.9 Details
32 Kimberley Chess Club Open 2022 (U7-U13) Standard 2022-04-30 2022-04-30 Frances Baard (NCF) 5 1204.4 5 3 1325.1 11.3 Details
33 Moja Open 2022 (C) Standard 2022-03-19 2022-03-20 Frances Baard (NCF) 5 1136.5 5 2 1206.7 6.8 Details
34 Kimberley Chess Club Open Tournament (D) Standard 2022-03-05 2022-03-05 Frances Baard (NCF) 5 1136.5 4 3 1394.6 20.3 Details
35 Womens Open Tournament 2022 (C) Standard 2022-02-18 2022-02-19 Frances Baard (NCF) 5 1126.8 4 2 1196.8 5.5 Details
36 Africa Schools Individual Chess Championship 2021 Classical 2021-12-13 2021-12-19 Kenya (KEN) 9 1237 9 4 920.7 -61 Details
37 Pixley Trial 1 2022 (B) Standard 2021-10-30 2021-10-30 Pixley-ka-Seme (NCP) 5 1228.2 5 3 1281.8 4.7 Details
38 Pixley Chess Open 2021 (U8-U12) Standard 2021-05-15 2021-05-15 Pixley-ka-Seme (NCP) 5 1177.1 5 4 1442.2 25.5 Details
39 Pixley Chess Open 2 2021 (B) Standard 2021-04-17 2021-04-17 Pixley-ka-Seme (NCP) 5 1200 5 3 1059.2 -11.5 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 19
Wins 10
Draws 5
Losses 4
White 10
Black 9
White wins 4
Black wins 6
Score 12.5
Percent 65.8
Dp 134.2
AOR 1433.9
Performance 1568.1
Game statistics (History)
Games 208
Wins 148
Draws 13
Losses 47
White 108
Black 100
White wins 76
Black wins 72
Score 154.5
Percent 74.3
Dp 206.4
AOR 1275.6
Performance 1482
Rankings (Main)
National
Overall 845
Gender 781
Age group 48
Gender/Age 41
Provincial
Overall 19
Gender 18
Age group 1
Gender/Age 1
Regional
Overall 2
Gender 2
Age group 1
Gender/Age 1
Rankings (Standard)
National
Overall 748
Gender 692
Age group 40
Gender/Age 32
Provincial
Overall 18
Gender 18
Age group 1
Gender/Age 1
Regional
Overall 2
Gender 2
Age group 1
Gender/Age 1
Rankings (Rapid)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 9
Score 4
Percent 44.4
Aor 1535.7
Dp -47.2
Prat 1488.5
Performance ()
Games 19
Score 12.5
Percent 65.8
Aor 1433.9
Dp 134.2
Prat 1568.1
Performance (12 months)
Games 51
Score 38
Percent 74.5
Aor 1389.9
Dp 208.3
Prat 1598.3
Performance (History)
Games 208
Score 154.5
Percent 74.3
Aor 1275.6
Dp 206.4
Prat 1482
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Murphy, SC (Saul Clifton) 7 3 4 Pixley Chess Open 2021 (U8-U12) Hopetown Schools Chess Tournament 2024 (U13) Details
Overall 2 Finck, SM (Sakura Marley) 6 4 2 Hopetown Chess Club Open Tournament 2022 (U7-U11) De Aar Primary School 2025 (U14) Details
Overall 3 Ngudle, CE (Caelyn Ebenezer) 5 3 2 Hopetown Schools Chess Open Tournament 2023 (U13) De Aar Primary School 2025 (U14) Details
Overall 4 Kitengye, AM (Archange Mutonji) 5 2 3 2024 HSDA Open 3 (U13) Hopetown Chess Tournament 2026 (U14) Details
Overall 5 Van Zyl, FW (Frederick Willem) 4 2 2 Pixley Chess Trials 2022 (U10) De Aar Open Chess Tournament 2026 (B) Details
Standard 1 Murphy, SC (Saul Clifton) 7 3 4 Pixley Chess Open 2021 (U8-U12) Hopetown Schools Chess Tournament 2024 (U13) Details
Standard 2 Finck, SM (Sakura Marley) 6 4 2 Hopetown Chess Club Open Tournament 2022 (U7-U11) De Aar Primary School 2025 (U14) Details
Standard 3 Ngudle, CE (Caelyn Ebenezer) 5 3 2 Hopetown Schools Chess Open Tournament 2023 (U13) De Aar Primary School 2025 (U14) Details
Standard 4 Kitengye, AM (Archange Mutonji) 5 2 3 2024 HSDA Open 3 (U13) Hopetown Chess Tournament 2026 (U14) Details
Standard 5 De Kock, M (Micah) 4 2 2 2024 NC Closed Chess Championships (U12 Open) De Aar Open Chess Tournament 2026 (B) Details