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Chess SA Region AOC

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Elrich Everel Grootboom

177011444
Ekurhuleni (GE)
Personal
Main rating
Rating 1666.4
K-factor 28
Floor 1195.2
Highest 1695.2 (2023-10-01)
Min/Max +/- allowed 82
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1429.8
Final +/- 0
New Rating
()
Rating 1666.4
K-factor 28
Floor 1195.2
Highest 1695.2 (2023-10-01)
Min/Max +/- allowed 81.9
Standard rating
Rating 1705.1
K-factor 28
Floor 1230.7
Highest 1730.7 (2024-06-01)
Min/Max +/- allowed 77.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1472.8
Final +/- 0
New Rating
()
Rating 1705.1
K-factor 28
Floor 1230.7
Highest 1730.7 (2024-06-01)
Min/Max +/- allowed 77.8
Rapid rating
Rating 1588.7
K-factor 28
Floor 1175.5
Highest 1675.5 (2019-04-01)
Min/Max +/- allowed 84.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1588.7
K-factor 28
Floor 1175.5
Highest 1675.5 (2019-04-01)
Min/Max +/- allowed 84.2
Blitz rating
Rating 1675.5
K-factor 28
Floor 1175.5
Highest 1675.5 (2019-04-01)
Min/Max +/- allowed 84.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1675.5
K-factor 28
Floor 1175.5
Highest 1675.5 (2019-04-01)
Min/Max +/- allowed 84.2
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 East Rand Chess Club Open 2025 (A) Standard 2025-08-09 2025-08-09 Ekurhuleni (GE) 5 1659.4 5 4 1647.6 0 Details
2 East Rand Chess Club Open 2025 (A) Standard 2025-08-09 2025-08-09 Ekurhuleni (GE) 5 1659.4 5 4 1647.6 0 Details
3 Chess Power House June Open 2024 (A) Standard 2024-06-23 2024-06-23 Ekurhuleni (GE) 5 1691.5 5 1 1522.5 0 Details
4 Boksburg Rapid 2024 (A) Rapid 2024-05-14 2024-06-11 Ekurhuleni (GE) 5 1691.5 5 2 1398.2 0 Details
5 Chess Power House May Open 2024 (A) Standard 2024-05-25 2024-05-25 Johannesburg Metro (GJM) 5 1673.1 5 2 1803.2 0 Details
6 Chess Power House Festive Rapid 2023 (B) Rapid 2023-12-15 2023-12-15 Johannesburg Metro (GJM) 6 1695.2 6 3 1333.3 0 Details
7 Chess Power House Feb RR 2023 (C) Standard 2023-02-18 2023-02-18 Johannesburg Metro (GJM) 5 1663.2 4 3 1952.1 0 Details
8 Heidelberg Open 2020 (Prestige) Classical 2020-01-31 2020-02-02 Sedibeng (GSV) 5 1672.2 4 1.5 1605 0 Details
9 2019 Inter Region Chess Championships Classical 2020-01-09 2020-01-12 4 Knights (4K) 7 1657.1 5 3 1757.3 0 Details
10 Chess Power House 2019 (B) Standard 2019-08-24 2019-08-24 Johannesburg Metro (GJM) 5 1667.1 5 3 1601.1 0 Details
11 Chess Power House Closed 2019 Standard 2019-01-17 2019-02-28 Ekurhuleni (GE) 7 1658.4 7 1.5 1713.2 0 Details
12 2018 Inter Region Chess Championships Classical 2018-12-21 2018-12-24 4 Knights (4K) 7 1639.9 6 3.5 1755.5 0 Details
13 South African Inter Regional Championships 2017 Classical 2018-01-09 2018-01-12 4 Knights (4K) 7 1675.5 6 2 1482.5 0 Details
14 2017 Gauteng Chess League 1St Division (Classic) Classical 2017-11-04 2017-11-25 Tshwane (GTP) 7 1608 3 2.5 1814 0 Details
15 2017 Gauteng Chess League 1St Division (Classic) Classical 2017-11-04 2017-11-25 Tshwane (GTP) 7 1608 3 2.5 1684 0 Details
16 South African Inter Regional Championships 2016 Classical 2016-12-20 2016-12-23 Tshwane (GTP) 7 1612 6 2.5 1607 0 Details
17 Eku Aug Open 2016 (Section A) Standard 2016-08-12 2016-08-13 Ekurhuleni (GE) 6 1597 6 3 1676 0 Details
18 2016 Capablanca (Swiss A) Classical 2016-04-29 2016-05-02 Tshwane (GTP) 6 1602 6 4 1541 0 Details
19 Gauteng Chess League 2015 (First Division) Classical 2015-10-03 2015-11-07 Tshwane (GTP) 7 1570 2 0.5 1618 0 Details
20 Gauteng Chess League 2015 (Second Division) Classical 2015-10-03 2015-11-07 Tshwane (GTP) 7 1570 3 2.5 1932 0 Details
21 Ekurhuleni Grand Prix (Section A) Standard 2015-09-18 2015-09-19 Ekurhuleni (GE) 6 1591 6 3 1488 0 Details
22 Ekurhuleni Chess Open 2 (A Section) Standard 2015-03-20 2015-03-21 Ekurhuleni (GE) 6 1604 6 3 1523 0 Details
23 Heidelberg Ope (A) Standard 2013-02-02 2013-02-02 Sedibeng (GSV) 5 1662 5 2.5 1307 0 Details
24 Gauteng League (Premier Division) Standard 2012-08-11 2012-08-11 Gauteng North (GN) 11 1645 10 3.5 1720 0 Details
25 Alekhine Open 2012 - Section A Classical 2012-06-22 2012-06-27 Gauteng North (GN) 8 1644 8 4.5 1654 0 Details
26 Kp Swiss Standard 2012-05-01 2012-05-01 Ekurhuleni (GE) 6 1658 6 2 1579 0 Details
27 2012 Capablanca Open Chess Festival Open Section Standard 2012-04-27 2012-05-01 Gauteng North (GN) 7 1603 7 5.5 1807 0 Details
28 Sedibeng Ope Afd A 2012 Standard 2012-03-12 2012-03-12 Sedibeng (GSV) 6 1646 6 3 1428 0 Details
29 Heidelberg Open 2012 Section A Standard 2012-02-16 2012-02-16 Sedibeng (GSV) 5 1641 5 3.5 1600 0 Details
30 Gauteng Chess League 2011 (Premier) Standard 2011-10-15 2011-10-15 Gauteng North (GN) 11 1639 8 2.5 1650 0 Details
31 Commonwealth & South African Open 2011 Open Sectio Classical 2011-07-03 2011-07-03 Tshwane (GTP) 11 1673 11 5.5 1550 0 Details
32 Kzn Open Tournament 2011 Standard 2011-05-25 2011-05-25 Kwazulu Natal (KZN) 8 1668 7 5 1638 0 Details
33 Sedibeng Ope Afd A Rating 2000-1225 Standard 2011-03-15 2011-03-15 Sedibeng (GSV) 7 1653 7 4 1487 0 Details
34 Kempton Park Swiss Championships Standard 2011-03-24 2011-03-24 Ekurhuleni (GE) 6 1664 6 3 1565 0 Details
35 Gauteng Chess League 2010 Standard 2011-01-25 2011-01-25 Gauteng North (GN) 11 1601 5 2 1775 0 Details
36 Sa Ope 2010 Afd A Standard 2010-09-29 2010-10-07 Mid-Gauteng (GM) 9 1565 9 5 1584 0 Details
37 Gauteng Chess League 2009 (First Division) Standard 2009-12-03 2009-12-03 Gauteng North (GN) 11 1502 8 2 1776 0 Details
38 Lubowski Afd A 2009 Standard 2009-07-29 2009-07-29 Gauteng North (GN) 6 1511 6 2 1512 0 Details
39 Centurion Open B Standard 2009-04-27 2009-04-27 Gauteng North (GN) 7 1565 7 2.5 1391 0 Details
40 Sedibeng Open A 2009 Standard 2009-03-11 2009-03-11 Sedibeng (GSV) 7 1609 6 3.5 1362 0 Details
41 Ep Open 2008 (Open Section) Blitz 2008-05-14 2008-05-14 0 1636 6 0 1610 0 Details
42 Centurion Open 2008 Section A Blitz 2008-05-09 2008-05-09 0 1646 7 0 1570 0 Details
43 Gauteng Chess League Premier Division 2008 Blitz 2008-09-01 2008-09-01 0 1633 3 0 1378 0 Details
44 Sedibeng Ope A Blitz 2008-04-01 2008-04-01 0 1604 7 0 1791 0 Details
45 Blou Bul Ope 2008 (A) Blitz 2008-08-02 2008-08-02 0 1652 5 0 1510 0 Details
46 Waterkloof Open - Section A Blitz 2008-03-10 2008-03-10 0 1623 4 0 1360 0 Details
47 Gauteng Chess League First Division 2008 Blitz 2008-09-01 2008-09-01 0 1613 3 0 1486 0 Details
48 South African Open 2008 Blitz 2008-07-27 2008-07-27 0 1637 10 0 1667 0 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 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 (History)
Games 68
Wins 26
Draws 15
Losses 27
White 37
Black 41
White wins 20
Black wins 12
Score 33.5
Percent 49.3
Dp -6.2
AOR 1631.8
Performance 1625.5
Rankings (Main)
National
Overall 631
Gender 593
Age group 63
Gender/Age 63
Provincial
Overall 228
Gender 213
Age group 22
Gender/Age 22
Regional
Overall 26
Gender 24
Age group 5
Gender/Age 5
Rankings (Standard)
National
Overall 450
Gender 425
Age group 47
Gender/Age 47
Provincial
Overall 175
Gender 167
Age group 18
Gender/Age 18
Regional
Overall 20
Gender 19
Age group 5
Gender/Age 5
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 10
Score 8
Percent 80
Aor 1392.6
Dp 255
Prat 1647.6
Performance (History)
Games 68
Score 33.5
Percent 49.3
Aor 1631.8
Dp -6.2
Prat 1625.5
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Magagula, R (Raymond) 3 2 1 Chess Power House Feb RR 2023 (C) Boksburg Rapid 2024 (A) Details
Overall 2 Oberholzer, F (Francois) 2 0 2 South African Inter Regional Championships 2017 2018 Inter Region Chess Championships Details
Overall 3 Jansen van Rensburg, H (Hannes) 2 2 0 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details
Overall 4 Cunniff, M (Morne) 2 0 2 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details
Overall 5 Robinson, M (Martin) 2 2 0 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details
Standard 1 Magagula, R (Raymond) 2 1 1 Chess Power House Feb RR 2023 (C) Chess Power House May Open 2024 (A) Details
Standard 2 Shen Yu, F (Frank) 2 0 2 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details
Standard 3 Jansen van Rensburg, H (Hannes) 2 2 0 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details
Standard 4 Cunniff, M (Morne) 2 0 2 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details
Standard 5 Robinson, M (Martin) 2 2 0 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details