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

PLAYER PAGE

Lukas Koorts

1170155747
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1691.8
K-factor 28
Floor 1191.8
Highest 1691.8 (2026-09-01)
Min/Max +/- allowed 82
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1686.6
Final +/- 0
New Rating
()
Rating 1691.8
K-factor 28
Floor 1191.8
Highest 1691.8 (2026-09-01)
Min/Max +/- allowed 82.3
Standard rating
Rating 1677.7
K-factor 28
Floor 1177.7
Highest 1677.7 (2026-09-01)
Min/Max +/- allowed 84
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1672.6
Final +/- 0
New Rating
()
Rating 1677.7
K-factor 28
Floor 1177.7
Highest 1677.7 (2026-09-01)
Min/Max +/- allowed 84
Rapid rating
Rating 1430.5
K-factor 32
Floor 934.1
Highest 1625.6 (2023-09-01)
Min/Max +/- allowed 90.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1363.9
Final +/- 0
New Rating
()
Rating 1430.5
K-factor 32
Floor 934.1
Highest 1625.6 (2023-09-01)
Min/Max +/- allowed 90.4
Blitz rating
Rating 1374.9
K-factor 36
Floor 874.9
Highest 1374.9 (2025-11-30)
Min/Max +/- allowed 129.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1374.9
K-factor 36
Floor 874.9
Highest 1374.9 (2025-11-30)
Min/Max +/- allowed 129.2
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 JMC Closed 2026 (U10) Standard 2026-08-01 2026-08-01 Johannesburg Metro (GJM) 5 1691.8 5 4 1785.7 19 Details
2 South African Open Championship 2026 (U9 Boys) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1618.7 7 5 1771.2 36.4 Details
3 JMC Trinityhouse Randpark Ridge 2026 (U10) Standard 2026-06-27 2026-06-27 Johannesburg Metro (GJM) 5 1602.7 5 4 1592 -2 Details
4 Elise Steenkamp 2026 (Knight) Standard 2026-06-13 2026-06-14 Tshwane (GTP) 5 1602.7 5 4 1710.7 18 Details
5 JMC Crawford Sandton Rapid 2026 (U10) Rapid 2026-05-09 2026-05-09 Johannesburg Metro (GJM) 5 1637.5 5 3 1662.6 3.3 Details
6 2026 Milos Ristic Teams Open (Junior) Standard 2026-05-02 2026-05-02 Tshwane (GTP) 5 1637.5 5 2 1363.9 -38.1 Details
7 South African Junior Closed Chess Championship 2026 (U10 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1654.1 9 4.5 1601.5 -16.6 Details
8 2026 Blou Bull Chess Tournament (U10) Standard 2026-02-21 2026-02-21 Tshwane (GTP) 5 1577.7 5 5 1871.4 39.4 Details
9 2026 Constantiapark Open Chess Tournament (U10) Standard 2026-02-14 2026-02-14 Tshwane (GTP) 5 1580.7 5 3 1400.1 -16.4 Details
10 2026 JMC Kick off Tournament (U10) Standard 2026-02-01 2026-02-01 Johannesburg Metro (GJM) 5 1580.7 5 4.5 1773.2 11.1 Details
11 First Knight Riders Juniors Open Chess Tournament 2026 (U8+U10) Standard 2026-01-17 2026-01-17 Johannesburg Metro (GJM) 5 1583.8 5 4 1591.7 0.6 Details
12 Gauteng Inter-Region at Emerald Resort 2025 (U10 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1586.3 5 5 1719.8 14.7 Details
13 Commonwealth Chess Championship 2025 (Blitz) Blitz 2025-11-16 2025-11-16 Malaysia (MAS) 9 1589.7 9 4 1572.6 -0.8 Details
14 Commonwealth Chess Championship 2025 Classical 2025-11-09 2025-11-16 Malaysia (MAS) 9 1589.7 9 5 1491.1 -11.4 Details
15 Lardies Open 2025 (U10) Standard 2025-10-18 2025-10-18 Tshwane (GTP) 5 1609 5 4 1793.1 18.8 Details
16 2025 Gauteng Top Schools Teams (U11) Standard 2025-08-29 2025-08-29 Tshwane (GTP) 5 1609 5 2 1346 -26.2 Details
17 FIDE World Cadet Championships 2025 Classical 2025-09-19 2025-09-30 FIDE (FID) 11 1609 11 4 1436.5 -43.6 Details
18 2025 Midstream Open Chess Tournament (U10) Standard 2025-08-25 2025-08-25 Tshwane (GTP) 5 1603.5 5 4 1578.5 -2.8 Details
19 JMC Closed 2025 (U10) Standard 2025-08-09 2025-08-09 Johannesburg Metro (GJM) 5 1603.5 5 4 1678 6.8 Details
20 2025 Wynie Robbertse Chess Tournament (U10) Standard 2025-07-19 2025-07-19 Tshwane (GTP) 5 1572.9 5 4.5 1802.6 21.9 Details
21 JMC Helpmekaar 2025 (U10) Standard 2025-06-01 2025-06-01 Johannesburg Metro (GJM) 5 1606.8 5 2.5 1349.3 -24.2 Details
22 JMC Crawford Sandton 2025 (U10) Standard 2025-05-10 2025-05-10 Johannesburg Metro (GJM) 5 1592.6 5 4 1687.6 10.1 Details
23 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Blitz) Blitz 2025-04-16 2025-04-17 Geece (GRE) 11 1579.7 11 4.5 1454.9 -7.9 Details
24 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) Rapid 2025-04-13 2025-04-15 Greece (GRE) 11 1579.7 11 5 1454.4 -14.8 Details
25 South African Junior Closed Chess Championships 2025 (U8 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1579.7 9 7 1733 31.8 Details
26 2025 Chris Greyling Open Chess Tournament (U10) Standard 2025-03-15 2025-03-15 Tshwane (GTP) 5 1613.2 5 4 1561.7 -5.5 Details
27 West Rand Juniors 2025 (U10) Standard 2025-03-08 2025-03-08 West Rand (GWR) 5 1613.2 5 3.5 1423.9 -16.3 Details
28 JMC Crawford Ruimsig 2025 (U10) Standard 2025-03-01 2025-03-01 Johannesburg Metro (GJM) 5 1613.2 5 3.5 1595.2 -2.3 Details
29 Ekurhuleni/Springs Open 025 (U8+U10) Standard 2025-02-22 2025-02-22 Ekurhuleni (GE) 5 1616.9 5 4.5 1574.9 -2.7 Details
30 Gauteng Inter-Region at UJ 2024 (U8 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1580.8 5 5 1805.1 25.7 Details
31 Queens Gambit Chess Open 2024 (E) Standard 2024-11-23 2024-11-23 Sedibeng (GSV) 5 1577.3 4 3 1606.6 2.5 Details
32 Mzansi Summer Rapid 2024 (U8+U10) Rapid 2024-10-26 2024-10-26 Johannesburg Metro (GJM) 6 1612.6 6 6 1706.4 9 Details
33 2024 Tshwane Chess Club Clash (Open) Standard 2024-10-12 2024-10-12 Tshwane (GTP) 5 1612.6 4 1 1219.4 -30.7 Details
34 Gauteng Top Schools 2024 (U9 Open) Standard 2024-10-04 2024-10-04 Ekurhuleni (GE) 5 1612.6 5 4 1582.4 -3.5 Details
35 2024 Jacaranda Round Robin Open Chess Tournament (U8) Standard 2024-08-17 2024-08-17 Tshwane (GTP) 5 1600.3 5 5 1638.7 3.8 Details
36 CPH King David Linksfield Aug Rapid 2024 (D) Rapid 2024-08-18 2024-08-18 Johannesburg Metro (GJM) 5 1600.3 4 2.5 1284.8 -13 Details
37 JMC Closed 2024 (U8) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1600.3 4 4 1829.3 17.9 Details
38 2024 Midstream College Open Chess Tournament (U10) Standard 2024-07-20 2024-07-20 Tshwane (GTP) 5 1611 5 4 1579.9 -2.2 Details
39 Menlopark Open Chess Tournament 2024 (U10) Standard 2024-07-13 2024-07-13 Tshwane (GTP) 5 1611 5 4 1544 -5.5 Details
40 FIDE in the West 2024 (U10) Standard 2024-06-08 2024-06-08 West Rand (GWR) 5 1603.6 5 4 1646.7 4 Details
41 JMC Trinityhouse Little Falls 2024 (U10) Standard 2024-06-02 2024-06-02 Johannesburg Metro (GJM) 5 1603.6 5 4 1622.5 1.3 Details
42 JMC Crawford International Sandton 2024 (U10) Standard 2024-05-11 2024-05-11 Johannesburg Metro (GJM) 5 1602.2 5 3.5 1563.8 -4.3 Details
43 JMC Helpmekaar Kollege Tournament 2024 (U8) Standard 2024-05-04 2024-05-04 Johannesburg Metro (GJM) 5 1602.2 5 5 1646.8 5.3 Details
44 2024 West Rand RHS Open (U8) Standard 2024-04-13 2024-04-13 West Rand (GWR) 7 1585.7 6 6 1606.2 3.8 Details
45 Bojanala Olienpark's One For The Ages 2024 (Big Pawns) Standard 2024-04-20 2024-04-20 Bojanala Platina (NBR) 5 1585.7 5 5 1637.3 6.5 Details
46 CPH St Andrew's Rapid 2024 (D) Rapid 2024-03-30 2024-03-30 Ekurhuleni (GE) 5 1512.5 5 5 1661.7 8.8 Details
47 JNW Open - Classic - Crawford 2024 (U8) Standard 2024-03-09 2024-03-09 Johannesburg Metro (GJM) 5 1512.5 5 5 1688.8 18.1 Details
48 JMC Unika School Tournament 2024 Standard 2024-03-02 2024-03-02 Johannesburg Metro (GJM) 5 1512.5 5 5 1631.3 11.1 Details
49 2024 Tshwane Chess AHS Open Chess Tournament (E) Standard 2024-02-24 2024-02-24 Tshwane (GTP) 5 1447 5 4.5 1619 16.3 Details
50 2024 Gauteng Inter-Region Chess Championship (U8) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1312.9 4 4 1625 27.6 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 61
Wins 42
Draws 2
Losses 17
White 29
Black 32
White wins 18
Black wins 24
Score 43
Percent 70.5
Dp 174.2
AOR 1474.5
Performance 1648.7
Game statistics (History)
Games 334
Wins 228
Draws 21
Losses 85
White 170
Black 164
White wins 116
Black wins 112
Score 238.5
Percent 71.4
Dp 182
AOR 1371.3
Performance 1553.3
Rankings (Main)
National
Overall 602
Gender 563
Age group 14
Gender/Age 13
Provincial
Overall 224
Gender 208
Age group 5
Gender/Age 4
Regional
Overall 97
Gender 88
Age group 4
Gender/Age 3
Rankings (Standard)
National
Overall 613
Gender 575
Age group 15
Gender/Age 14
Provincial
Overall 234
Gender 219
Age group 5
Gender/Age 4
Regional
Overall 95
Gender 87
Age group 4
Gender/Age 3
Rankings (Rapid)
National
Overall 757
Gender 672
Age group 33
Gender/Age 31
Provincial
Overall 158
Gender 138
Age group 6
Gender/Age 5
Regional
Overall 67
Gender 62
Age group 2
Gender/Age 1
Rankings (Blitz)
National
Overall 245
Gender 238
Age group 3
Gender/Age 3
Provincial
Overall 80
Gender 76
Age group 1
Gender/Age 1
Regional
Overall 46
Gender 42
Age group 1
Gender/Age 1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 61
Score 43
Percent 70.5
Aor 1474.5
Dp 174.2
Prat 1648.7
Performance (12 months)
Games 100
Score 65
Percent 65
Aor 1487.6
Dp 127.5
Prat 1615.1
Performance (History)
Games 334
Score 238.5
Percent 71.4
Aor 1371.3
Dp 182
Prat 1553.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Stelloh, A (Alexander) 10 5 5 JNW Open - Trinityhouse Little Falls 2023 (U8) JMC Closed 2026 (U10) Details
Overall 2 Bekker, J (Jacobus) 10 6 4 JMC Kick Off Tournament 2024 (U8) JMC Crawford Sandton Rapid 2026 (U10) Details
Overall 3 Du Pisani, M (Malcolm) 7 4 3 JNW Open - Trinityhouse Little Falls 2023 (U8) JMC Helpmekaar 2025 (U10) Details
Overall 4 Malemane, A (Atlehang Faith) 7 5 2 4th Knight Riders Junior Open 2023 (U8) 2026 JMC Kick off Tournament (U10) Details
Overall 5 Deysel, Z (Zachariah) 6 3 3 JMC Kick Off Tournament 2024 (U8) South African Junior Closed Chess Championships 2025 (U8 Open) Details
Standard 1 Stelloh, A (Alexander) 10 5 5 JNW Open - Trinityhouse Little Falls 2023 (U8) JMC Closed 2026 (U10) Details
Standard 2 Bekker, J (Jacobus) 9 6 3 JMC Kick Off Tournament 2024 (U8) 2026 JMC Kick off Tournament (U10) Details
Standard 3 Malemane, A (Atlehang Faith) 7 5 2 4th Knight Riders Junior Open 2023 (U8) 2026 JMC Kick off Tournament (U10) Details
Standard 4 Deysel, Z (Zachariah) 6 3 3 JMC Kick Off Tournament 2024 (U8) South African Junior Closed Chess Championships 2025 (U8 Open) Details
Standard 5 Du Pisani, M (Malcolm) 5 3 2 JNW Open - Trinityhouse Little Falls 2023 (U8) JMC Helpmekaar 2025 (U10) Details
Rapid 1 Du Pisani, M (Malcolm) 2 1 1 CPH St Andrew's Rapid 2024 (D) Mzansi Summer Rapid 2024 (U8+U10) Details