PLAYER PAGE

Lukas Koorts

1170155747
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1602.7
K-factor 28
Floor 1154.1
Highest 1654.1 (2026-03-01)
Min/Max +/- allowed 87
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1528.8
Final +/- 0
New Rating
()
Rating 1602.7
K-factor 28
Floor 1154.1
Highest 1654.1 (2026-03-01)
Min/Max +/- allowed 86.8
Standard rating
Rating 1591.3
K-factor 28
Floor 1150
Highest 1667.7 (2024-08-01)
Min/Max +/- allowed 85.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1527.1
Final +/- 0
New Rating
()
Rating 1591.3
K-factor 28
Floor 1150
Highest 1667.7 (2024-08-01)
Min/Max +/- allowed 85.2
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 1405.5
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 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
2 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
3 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
4 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
5 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
6 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
7 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
8 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
9 Commonwealth Chess Championship 2025 (Blitz) Blitz 2025-11-16 2025-11-16 Malaysia (MAS) 9 1589.7 9 4 1572.6 -0.8 Details
10 Commonwealth Chess Championship 2025 Classical 2025-11-09 2025-11-16 Malaysia (MAS) 9 1589.7 9 5 1491.1 -11.4 Details
11 Lardies Open 2025 (U10) Standard 2025-10-18 2025-10-18 Tshwane (GTP) 5 1609 5 4 1793.1 18.8 Details
12 2025 Gauteng Top Schools Teams (U11) Standard 2025-08-29 2025-08-29 Tshwane (GTP) 5 1609 5 2 1346 -26.2 Details
13 FIDE World Cadet Championships 2025 Classical 2025-09-19 2025-09-30 FIDE (FID) 11 1609 11 4 1436.5 -43.6 Details
14 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
15 JMC Closed 2025 (U10) Standard 2025-08-09 2025-08-09 Johannesburg Metro (GJM) 5 1603.5 5 4 1678 6.8 Details
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 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
32 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
33 JMC Closed 2024 (U8) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1600.3 4 4 1829.3 17.9 Details
34 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
35 Menlopark Open Chess Tournament 2024 (U10) Standard 2024-07-13 2024-07-13 Tshwane (GTP) 5 1611 5 4 1544 -5.5 Details
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 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
45 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
46 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
47 JMC Kick Off Tournament 2024 (U8) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1312.9 5 5 1605.3 27.9 Details
48 2023 U8 Open Chess Tournament Rapid 2023-09-02 2023-09-02 Tshwane (GTP) 5 1303.4 5 5 1626.8 23.6 Details
49 4th Knight Riders Junior Open 2023 (U8) Standard 2023-09-16 2023-09-16 Johannesburg Metro (GJM) 5 1303.4 5 2 1108.6 -18.3 Details
50 JMC Closed Aug 2023 (U8) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1241.1 6 4 1406.4 21.9 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 39
Wins 25
Draws 2
Losses 12
White 19
Black 20
White wins 10
Black wins 15
Score 26
Percent 66.7
Dp 141.7
AOR 1466.7
Performance 1608.4
Game statistics (History)
Games 312
Wins 211
Draws 21
Losses 80
White 160
Black 152
White wins 108
Black wins 103
Score 221.5
Percent 71
Dp 178.4
AOR 1363.1
Performance 1541.5
Rankings (Main)
National
Overall 1041
Gender 956
Age group 21
Gender/Age 20
Provincial
Overall 367
Gender 331
Age group 6
Gender/Age 5
Regional
Overall 148
Gender 128
Age group 4
Gender/Age 3
Rankings (Standard)
National
Overall 1024
Gender 926
Age group 26
Gender/Age 24
Provincial
Overall 376
Gender 334
Age group 10
Gender/Age 8
Regional
Overall 147
Gender 126
Age group 6
Gender/Age 5
Rankings (Rapid)
National
Overall 688
Gender 622
Age group 15
Gender/Age 14
Provincial
Overall 135
Gender 123
Age group 5
Gender/Age 4
Regional
Overall 73
Gender 69
Age group 2
Gender/Age 1
Rankings (Blitz)
National
Overall 238
Gender 230
Age group 2
Gender/Age 2
Provincial
Overall 82
Gender 77
Age group 1
Gender/Age 1
Regional
Overall 44
Gender 39
Age group 1
Gender/Age 1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 39
Score 26
Percent 66.7
Aor 1466.7
Dp 141.7
Prat 1608.4
Performance (12 months)
Games 98
Score 62.5
Percent 63.8
Aor 1471.6
Dp 117.1
Prat 1588.7
Performance (History)
Games 312
Score 221.5
Percent 71
Aor 1363.1
Dp 178.4
Prat 1541.5
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Bekker, J (Jacobus) 10 6 4 JMC Kick Off Tournament 2024 (U8) JMC Crawford Sandton Rapid 2026 (U10) Details
Overall 2 Stelloh, A (Alexander) 9 5 4 JNW Open - Trinityhouse Little Falls 2023 (U8) JMC Closed 2025 (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) 9 5 4 JNW Open - Trinityhouse Little Falls 2023 (U8) JMC Closed 2025 (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