Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Elrich Everel Grootboom

177011444
Ekurhuleni (GE)
Personal
Main rating
Rating 1667.6
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 1465.4
Final +/- 0
New Rating
()
Rating 1667.6
K-factor 28
Floor 1195.2
Highest 1695.2 (2023-10-01)
Min/Max +/- allowed 81.9
Standard rating
Rating 1696.9
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 1489.3
Final +/- 0
New Rating
()
Rating 1696.9
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 Ekurhuleni 3rd Standard Tournament 2026 (B) Standard 2026-08-08 2026-08-08 Ekurhuleni (GE) 5 1667.6 5 3.5 1680.9 1.2 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 2.5 Details
3 East Rand Chess Club Open 2025 (A) Standard 2025-08-09 2025-08-09 Ekurhuleni (GE) 5 1659.4 5 4 1647.6 2.5 Details
4 Chess Power House June Open 2024 (A) Standard 2024-06-23 2024-06-23 Ekurhuleni (GE) 5 1691.5 5 1 1522.5 -15.9 Details
5 Boksburg Rapid 2024 (A) Rapid 2024-05-14 2024-06-11 Ekurhuleni (GE) 5 1691.5 5 2 1398.2 -21.1 Details
6 Chess Power House May Open 2024 (A) Standard 2024-05-25 2024-05-25 Johannesburg Metro (GJM) 5 1673.1 5 2 1803.2 13.1 Details
7 Chess Power House Festive Rapid 2023 (B) Rapid 2023-12-15 2023-12-15 Johannesburg Metro (GJM) 6 1695.2 6 3 1333.3 -22.4 Details
8 Chess Power House Feb RR 2023 (C) Standard 2023-02-18 2023-02-18 Johannesburg Metro (GJM) 5 1663.2 4 3 1952.1 22.8 Details
9 Heidelberg Open 2020 (Prestige) Classical 2020-01-31 2020-02-02 Sedibeng (GSV) 5 1672.2 4 1.5 1605 -6.4 Details
10 2019 Inter Region Chess Championships Classical 2020-01-09 2020-01-12 4 Knights (4K) 7 1657.1 5 3 1757.3 11 Details
11 Chess Power House 2019 (B) Standard 2019-08-24 2019-08-24 Johannesburg Metro (GJM) 5 1667.1 5 3 1601.1 -7 Details
12 Chess Power House Closed 2019 Standard 2019-01-17 2019-02-28 Ekurhuleni (GE) 7 1658.4 7 1.5 1713.2 6 Details
13 2018 Inter Region Chess Championships Classical 2018-12-21 2018-12-24 4 Knights (4K) 7 1639.9 6 3.5 1755.5 13.2 Details
14 South African Inter Regional Championships 2017 Classical 2018-01-09 2018-01-12 4 Knights (4K) 7 1675.5 6 2 1482.5 -25.6 Details
15 2017 Gauteng Chess League 1St Division (Classic) Classical 2017-11-04 2017-11-25 Tshwane (GTP) 7 1608 3 2.5 1814 40.8 Details
16 2017 Gauteng Chess League 1St Division (Classic) Classical 2017-11-04 2017-11-25 Tshwane (GTP) 7 1608 3 2.5 1684 33.8 Details
17 South African Inter Regional Championships 2016 Classical 2016-12-20 2016-12-23 Tshwane (GTP) 7 1612 6 2.5 1607 -3 Details
18 Eku Aug Open 2016 (Section A) Standard 2016-08-12 2016-08-13 Ekurhuleni (GE) 6 1597 6 3 1676 9.9 Details
19 2016 Capablanca (Swiss A) Classical 2016-04-29 2016-05-02 Tshwane (GTP) 6 1602 6 4 1541 26 Details
20 Gauteng Chess League 2015 (First Division) Classical 2015-10-03 2015-11-07 Tshwane (GTP) 7 1570 2 0.5 1618 1.4 Details
21 Gauteng Chess League 2015 (Second Division) Classical 2015-10-03 2015-11-07 Tshwane (GTP) 7 1570 3 2.5 1932 34.4 Details
22 Ekurhuleni Grand Prix (Section A) Standard 2015-09-18 2015-09-19 Ekurhuleni (GE) 6 1591 6 3 1488 -13.9 Details
23 Ekurhuleni Chess Open 2 (A Section) Standard 2015-03-20 2015-03-21 Ekurhuleni (GE) 6 1604 6 3 1523 8 Details
24 Heidelberg Ope (A) Standard 2013-02-02 2013-02-02 Sedibeng (GSV) 5 1662 5 2.5 1307 -32.1 Details
25 Gauteng League (Premier Division) Standard 2012-08-11 2012-08-11 Gauteng North (GN) 11 1645 10 3.5 1720 15.8 Details
26 Alekhine Open 2012 - Section A Classical 2012-06-22 2012-06-27 Gauteng North (GN) 8 1644 8 4.5 1654 1 Details
27 Kp Swiss Standard 2012-05-01 2012-05-01 Ekurhuleni (GE) 6 1658 6 2 1579 -10.9 Details
28 2012 Capablanca Open Chess Festival Open Section Standard 2012-04-27 2012-05-01 Gauteng North (GN) 7 1603 7 5.5 1807 34.2 Details
29 Sedibeng Ope Afd A 2012 Standard 2012-03-12 2012-03-12 Sedibeng (GSV) 6 1646 6 3 1428 -23.5 Details
30 Heidelberg Open 2012 Section A Standard 2012-02-16 2012-02-16 Sedibeng (GSV) 5 1641 5 3.5 1600 1.2 Details
31 Gauteng Chess League 2011 (Premier) Standard 2011-10-15 2011-10-15 Gauteng North (GN) 11 1639 8 2.5 1650 1.7 Details
32 Commonwealth & South African Open 2011 Open Sectio Classical 2011-07-03 2011-07-03 Tshwane (GTP) 11 1673 11 5.5 1550 -33.8 Details
33 Kzn Open Tournament 2011 Standard 2011-05-25 2011-05-25 Kwazulu Natal (KZN) 8 1668 7 5 1638 4.3 Details
34 Sedibeng Ope Afd A Rating 2000-1225 Standard 2011-03-15 2011-03-15 Sedibeng (GSV) 7 1653 7 4 1487 -21.2 Details
35 Kempton Park Swiss Championships Standard 2011-03-24 2011-03-24 Ekurhuleni (GE) 6 1664 6 3 1565 -9.5 Details
36 Gauteng Chess League 2010 Standard 2011-01-25 2011-01-25 Gauteng North (GN) 11 1601 5 2 1775 11 Details
37 Sa Ope 2010 Afd A Standard 2010-09-29 2010-10-07 Mid-Gauteng (GM) 9 1565 9 5 1584 3 Details
38 Gauteng Chess League 2009 (First Division) Standard 2009-12-03 2009-12-03 Gauteng North (GN) 11 1502 8 2 1776 23.6 Details
39 Lubowski Afd A 2009 Standard 2009-07-29 2009-07-29 Gauteng North (GN) 6 1511 6 2 1512 33.2 Details
40 Centurion Open B Standard 2009-04-27 2009-04-27 Gauteng North (GN) 7 1565 7 2.5 1391 41.5 Details
41 Sedibeng Open A 2009 Standard 2009-03-11 2009-03-11 Sedibeng (GSV) 7 1609 6 3.5 1362 58.1 Details
42 Ep Open 2008 (Open Section) Blitz 2008-05-14 2008-05-14 0 1636 6 0 1610 0 Details
43 Centurion Open 2008 Section A Blitz 2008-05-09 2008-05-09 0 1646 7 0 1570 0 Details
44 Gauteng Chess League Premier Division 2008 Blitz 2008-09-01 2008-09-01 0 1633 3 0 1378 0 Details
45 Sedibeng Ope A Blitz 2008-04-01 2008-04-01 0 1604 7 0 1791 0 Details
46 Blou Bul Ope 2008 (A) Blitz 2008-08-02 2008-08-02 0 1652 5 0 1510 0 Details
47 Waterkloof Open - Section A Blitz 2008-03-10 2008-03-10 0 1623 4 0 1360 0 Details
48 Gauteng Chess League First Division 2008 Blitz 2008-09-01 2008-09-01 0 1613 3 0 1486 0 Details
49 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 5
Wins 2
Draws 3
Losses 0
White 3
Black 2
White wins 1
Black wins 1
Score 3.5
Percent 70
Dp 170
AOR 1510.9
Performance 1680.9
Game statistics (History)
Games 73
Wins 28
Draws 18
Losses 27
White 40
Black 43
White wins 21
Black wins 13
Score 37
Percent 50.7
Dp 5.8
AOR 1623.5
Performance 1629.3
Rankings (Main)
National
Overall 703
Gender 657
Age group 56
Gender/Age 56
Provincial
Overall 259
Gender 241
Age group 18
Gender/Age 18
Regional
Overall 25
Gender 24
Age group 3
Gender/Age 3
Rankings (Standard)
National
Overall 538
Gender 503
Age group 42
Gender/Age 42
Provincial
Overall 212
Gender 198
Age group 16
Gender/Age 16
Regional
Overall 21
Gender 21
Age group 3
Gender/Age 3
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 5
Score 3.5
Percent 70
Aor 1510.9
Dp 170
Prat 1680.9
Performance (12 months)
Games 5
Score 3.5
Percent 70
Aor 1510.9
Dp 170
Prat 1680.9
Performance (History)
Games 73
Score 37
Percent 50.7
Aor 1623.5
Dp 5.8
Prat 1629.3
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 Robinson, M (Martin) 2 2 0 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details
Overall 5 Buba, V (Vukile) 2 0 2 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details
Standard 1 Cunniff, M (Morne) 2 0 2 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details
Standard 2 Magagula, R (Raymond) 2 1 1 Chess Power House Feb RR 2023 (C) Chess Power House May Open 2024 (A) Details
Standard 3 Shen Yu, F (Frank) 2 0 2 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details
Standard 4 Buba, V (Vukile) 2 0 2 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details
Standard 5 Jansen van Rensburg, H (Hannes) 2 2 0 East Rand Chess Club Open 2025 (A) East Rand Chess Club Open 2025 (A) Details