PLAYER PAGE

Lukas Koorts

1170155747
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1654.1
K-factor 28
Floor 1154.1
Highest 1654.1 (2026-03-01)
Min/Max +/- allowed 87
Rating Change
()
Games 9
Score 4.5
We 5.09
SWe -0.59
Temp +/- -16.6
Penalties 0
Weight perform 1629.9
Final +/- -16.6
New Rating
()
Rating 1637.5
K-factor 28
Floor 1154.1
Highest 1654.1 (2026-03-01)
Min/Max +/- allowed 86.8
Standard rating
Rating 1654.1
K-factor 28
Floor 1150
Highest 1667.7 (2024-08-01)
Min/Max +/- allowed 85.2
Rating Change
()
Games 9
Score 4.5
We 5.12
SWe -0.62
Temp +/- -17.3
Penalties 0
Weight perform 1629.9
Final +/- -17.3
New Rating
()
Rating 1636.8
K-factor 28
Floor 1150
Highest 1667.7 (2024-08-01)
Min/Max +/- allowed 85.2
Rapid rating
Rating 1434.1
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 1291
Final +/- 0
New Rating
()
Rating 1434.1
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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
2 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
3 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
4 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
5 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
6 Commonwealth Chess Championship 2025 (Blitz) Blitz 2025-11-16 2025-11-16 Malaysia (MAS) 9 1589.7 9 4 1572.6 -0.8 Details
7 Commonwealth Chess Championship 2025 Classical 2025-11-09 2025-11-16 Malaysia (MAS) 9 1589.7 9 5 1491.1 -11.4 Details
8 Lardies Open 2025 (U10) Standard 2025-10-18 2025-10-18 Tshwane (GTP) 5 1609 5 4 1793.1 18.8 Details
9 2025 Gauteng Top Schools Teams (U11) Standard 2025-08-29 2025-08-29 Tshwane (GTP) 5 1609 5 2 1346 -26.2 Details
10 FIDE World Cadet Championships 2025 Classical 2025-09-19 2025-09-30 FIDE (FID) 11 1609 11 4 1436.5 -43.6 Details
11 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
12 JMC Closed 2025 (U10) Standard 2025-08-09 2025-08-09 Johannesburg Metro (GJM) 5 1603.5 5 4 1678 6.8 Details
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 JMC Closed 2024 (U8) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1600.3 4 4 1829.3 17.9 Details
31 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
32 Menlopark Open Chess Tournament 2024 (U10) Standard 2024-07-13 2024-07-13 Tshwane (GTP) 5 1611 5 4 1544 -5.5 Details
33 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
34 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
35 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
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 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
45 2023 U8 Open Chess Tournament Rapid 2023-09-02 2023-09-02 Tshwane (GTP) 5 1303.4 5 5 1626.8 23.6 Details
46 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
47 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
48 Chess Power House 2023 (D) Standard 2023-08-19 2023-08-19 Johannesburg Metro (GJM) 5 1241.1 5 3 1361.9 12.6 Details
49 2023 Menlo Open Tournament (F) Standard 2023-07-22 2023-07-22 Tshwane (GTP) 5 1204.8 5 4 1484.4 28.1 Details
50 JMC - The Higher Ground Restaurant 2nd Blitz Event 2023 Blitz 2023-07-30 2023-07-30 Johannesburg Metro (GJM) 7 1204.8 6 1 985.2 -7.7 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 29
Wins 20
Draws 2
Losses 7
White 14
Black 15
White wins 8
Black wins 12
Score 21
Percent 72.4
Dp 190.5
AOR 1450.7
Performance 1641.2
Game statistics (History)
Games 302
Wins 206
Draws 21
Losses 75
White 155
Black 147
White wins 106
Black wins 100
Score 216.5
Percent 71.7
Dp 184.4
AOR 1358.1
Performance 1542.4
Rankings (Main)
National
Overall 716
Gender 669
Age group 9
Gender/Age 8
Provincial
Overall 258
Gender 239
Age group 4
Gender/Age 3
Regional
Overall 98
Gender 88
Age group 3
Gender/Age 2
Rankings (Standard)
National
Overall 673
Gender 626
Age group 9
Gender/Age 7
Provincial
Overall 253
Gender 233
Age group 5
Gender/Age 3
Regional
Overall 90
Gender 80
Age group 3
Gender/Age 2
Rankings (Rapid)
National
Overall 601
Gender 540
Age group 11
Gender/Age 10
Provincial
Overall 106
Gender 97
Age group 5
Gender/Age 4
Regional
Overall 62
Gender 58
Age group 3
Gender/Age 2
Rankings (Blitz)
National
Overall 208
Gender 199
Age group 1
Gender/Age 1
Provincial
Overall 74
Gender 69
Age group 1
Gender/Age 1
Regional
Overall 40
Gender 36
Age group 1
Gender/Age 1
Performance ( )
Games 9
Score 4.5
Percent 50
Aor 1601.5
Dp 0
Prat 1601.5
Performance ()
Games 29
Score 21
Percent 72.4
Aor 1450.7
Dp 190.5
Prat 1641.2
Performance (12 months)
Games 98
Score 64
Percent 65.3
Aor 1459.1
Dp 130.1
Prat 1589.2
Performance (History)
Games 302
Score 216.5
Percent 71.7
Aor 1358.1
Dp 184.4
Prat 1542.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Stelloh, A (Alexander) 9 5 4 JNW Open - Trinityhouse Little Falls 2023 (U8) JMC Closed 2025 (U10) Details
Overall 2 Bekker, J (Jacobus) 9 6 3 JMC Kick Off Tournament 2024 (U8) 2026 JMC Kick off Tournament (U10) Details
Overall 3 Malemane, A (Atlehang Faith) 7 5 2 4th Knight Riders Junior Open 2023 (U8) 2026 JMC Kick off Tournament (U10) Details
Overall 4 Du Pisani, M (Malcolm) 7 4 3 JNW Open - Trinityhouse Little Falls 2023 (U8) JMC Helpmekaar 2025 (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