PLAYER PAGE

Ivan Kruger

198016589
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1521.4
K-factor 32
Floor 1075.7
Highest 1575.7 (2025-07-01)
Min/Max +/- allowed 97
Rating Change
()
Games 6
Score 3
We 3.24
SWe -0.13
Temp +/- -4.1
Penalties 0
Weight perform 1467
Final +/- -4.1
New Rating
()
Rating 1517.3
K-factor 32
Floor 1075.7
Highest 1575.7 (2025-07-01)
Min/Max +/- allowed 97.1
Standard rating
Rating 1511.4
K-factor 32
Floor 1085.4
Highest 1585.4 (2025-07-01)
Min/Max +/- allowed 95.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1464.8
Final +/- 0
New Rating
()
Rating 1511.4
K-factor 32
Floor 1085.4
Highest 1585.4 (2025-07-01)
Min/Max +/- allowed 95.8
Rapid rating
Rating 1344.6
K-factor 36
Floor 846.5
Highest 1346.5 (2025-03-01)
Min/Max +/- allowed 134.6
Rating Change
()
Games 6
Score 3
We 2.52
SWe 0.48
Temp +/- 17.1
Penalties 0
Weight perform 1378.7
Final +/- +34.1
New Rating
()
Rating 1378.7
K-factor 36
Floor 878.7
Highest 1378.7 (2026-07-01)
Min/Max +/- allowed 128.5
Blitz rating
Rating 1305.9
K-factor 36
Floor 807.1
Highest 1307.1 (2019-08-01)
Min/Max +/- allowed 142.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1305.9
K-factor 36
Floor 807.1
Highest 1307.1 (2019-08-01)
Min/Max +/- allowed 142.3
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Randburg Chess Club Winter Rapid 2026 Rapid 2026-07-14 2026-07-21 Johannesburg Metro (GJM) 6 1521.4 6 3 1499.6 -4.1 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Randburg Autumn Swiss 2026 Standard 2026-05-05 2026-06-23 Johannesburg Metro (GJM) 8 1493.2 6 3 1611.8 24.9 Details
2 JMC Helpmekaar 2026 (B) Standard 2026-05-31 2026-05-31 Johannesburg Metro (GJM) 5 1493.2 5 3.5 1506 3.4 Details
3 Randburg Autumn Rapid 2026 Rapid 2026-04-14 2026-04-21 Johannesburg Metro (GJM) 6 1515.7 3 2.5 1853.9 21.5 Details
4 Randburg NY Swiss 2026 Standard 2026-02-10 2026-03-31 Johannesburg Metro (GJM) 8 1515.7 8 3.5 1359.2 -43.9 Details
5 MCA Summer Heat Classic 2026 (Advanced) Standard 2026-03-21 2026-03-21 Johannesburg Metro (GJM) 5 1557 5 3 1480.9 -10.5 Details
6 JMC Trinityhouse Little Falls (B) Standard 2026-02-28 2026-02-28 Johannesburg Metro (GJM) 5 1557 4 1.5 1308.9 -30.8 Details
7 Randburg Chess Club New Year Rapid 2026 Rapid 2026-01-27 2026-02-03 Johannesburg Metro (GJM) 6 1514.1 6 3 1588.2 3.3 Details
8 MCA Welcome JHB 2026 (Advanced) Standard 2026-02-07 2026-02-07 Johannesburg Metro (GJM) 5 1514.1 5 4 1648.8 8.6 Details
9 2026 JMC Kick off Tournament (B) Standard 2026-02-01 2026-02-01 Johannesburg Metro (GJM) 5 1514.1 5 3.5 1479.3 -2.5 Details
10 Randburg Chess Club New Year Blitz 2026 Blitz 2026-01-20 2026-01-20 Johannesburg Metro (GJM) 7 1516.9 7 2.5 1478.1 -1.7 Details
11 Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (A) Standard 2025-09-27 2025-09-27 Johannesburg Metro (GJM) 5 1501.3 5 2.5 1609.1 9.6 Details
12 Randburg Winter Swiss 2025 Standard 2025-07-29 2025-09-16 Johannesburg Metro (GJM) 8 1497.8 8 5 1560.9 11.3 Details
13 Tshwane Chess Club Clash 2025 (Open) Standard 2025-09-13 2025-09-13 Tshwane (GTP) 5 1497.8 5 3 1512.2 2.2 Details
14 JMC Closed 2025 (B) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1489.2 5 3 1544.9 5.4 Details
15 JMC - Trinity Randpark Ridge 2025 (B) Standard 2025-07-26 2025-07-26 Johannesburg Metro (GJM) 5 1575.7 4 0.5 1104.3 -36.7 Details
16 South African Open 2025 (B) Classical 2025-06-28 2025-07-05 Johannesburg Metro (GJM) 11 1575.7 8 3.5 1482.8 -17.4 Details
17 Neil Savage Memorial Randburg Club Champs 2025 Standard 2025-05-06 2025-06-24 Johannesburg Metro (GJM) 8 1521.8 6 3 1628.4 13.9 Details
18 Mzansi Africa Classic 2025 (Advanced) Standard 2025-05-17 2025-05-17 Johannesburg Metro (GJM) 5 1425.1 5 5 1897.5 46.8 Details
19 Moja Chess Extravaganza 2025 (C) Classical 2025-04-26 2025-05-01 Johannesburg Metro (GJM) 9 1425.1 9 4.5 1438.2 1.8 Details
20 Moja Chess Extravaganza 2025 (Blitz) Blitz 2025-04-26 2025-04-26 Johannesburg Metro (GJM) 7 1425.1 7 3 1438 0.3 Details
21 JMC Crawford Sandton 2025 (B) Standard 2025-05-10 2025-05-10 Johannesburg Metro (GJM) 5 1425.1 5 2 1343.7 -7.3 Details
22 Randburg Autumn Rapid 2025 Rapid 2025-04-15 2025-04-22 Johannesburg Metro (GJM) 7 1447.8 7 2.5 1311.4 -12.6 Details
23 FIDE in The West 2025 (Open) Standard 2025-04-12 2025-04-12 West Rand (GWR) 5 1447.8 5 2.5 1579 13.4 Details
24 Randburg Chess Club Autumn Blitz Blitz 2025-04-08 2025-04-08 Johannesburg Metro (GJM) 7 1447.8 7 1 1166.6 -10.3 Details
25 Randburg Chess Club New Year Swiss 2025 Standard 2025-02-11 2025-04-01 Johannesburg Metro (GJM) 8 1447.8 8 2.5 1413.9 -4.7 Details
26 Chess Power House March Open 2025 (B) Standard 2025-03-22 2025-03-22 Johannesburg Metro (GJM) 5 1449.9 5 3 1328.1 -11 Details
27 2025 Chris Greyling Open Chess Tournament (C) Standard 2025-03-15 2025-03-15 Tshwane (GTP) 5 1449.9 5 3.5 1565.6 12.1 Details
28 JMC Crawford Ruimsig 2025 (B) Standard 2025-03-01 2025-03-01 Johannesburg Metro (GJM) 5 1449.9 5 2.5 1432.5 -2.3 Details
29 JMC Rapid The Bridge School 2025 (Open) Rapid 2025-02-23 2025-02-23 Johannesburg Metro (GJM) 7 1306.6 7 4 1440 8.1 Details
30 2025 Blou Bul Open Chess Tournament (C) Standard 2025-02-08 2025-02-08 Tshwane (GTP) 5 1306.6 5 4 1696.7 37.2 Details
31 JMC Kick Off 2025 (B) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1306.6 5 2 1433.2 12.8 Details
32 Randburg Chess Club New Year Rapid 2025 Rapid 2025-01-28 2025-02-04 Johannesburg Metro (GJM) 6 1306.6 6 2.5 1451.8 11 Details
33 2025 Tshwane Chess OPEN Registration Tournament (B1) Standard 2025-01-25 2025-01-25 Tshwane (GTP) 5 1307.1 5 2 1257.3 -5.6 Details
34 Randburg New Year Blitz 2025 Blitz 2025-01-21 2025-01-21 Johannesburg Metro (GJM) 9 1307.1 8 3.5 1351 1.8 Details
35 Etienne Lewis Tshwane Chess Trials 2013 U 16 Standard 2013-08-15 2013-08-18 Tshwane (GTP) 9 1298 9 5 1294 4.9 Details
36 Mid-Gauteng Open Section A Standard 2013-06-15 2013-06-15 Tshwane (GTP) 5 1289 5 2.5 1336 4.1 Details
37 2013 Capablanca Open Chess Festival Chessa A Secti Standard 2013-04-26 2013-05-01 Tshwane (GTP) 7 1247 7 3.5 1386 22.3 Details
38 Chris Greyling 2013 Section A Standard 2013-03-16 2013-03-16 Mid-Gauteng (GM) 5 1262 5 1.5 1415 12.9 Details
39 Waterkloof Open B Section Standard 2013-03-01 2013-03-01 Tshwane (GTP) 6 1262 5 2 1075 -20.6 Details
40 Blue Bull Open 2013 Section A Standard 2013-02-02 2013-02-02 Mid-Gauteng (GM) 5 1262 4 1 1269 0.2 Details
41 Mid Gauteng Closed Section A Standard 2012-11-30 2012-12-01 Mid-Gauteng (GM) 5 1293 4 0 1105 -19.3 Details
42 Mid-Gauteng Junior Trials 2012 Section A Standard 2012-08-24 2012-08-25 Mid-Gauteng (GM) 6 1282 6 3 1388 9.8 Details
43 Mid-Gauteng Jacaranda Open 2012 Section A Standard 2012-08-04 2012-08-04 Mid-Gauteng (GM) 5 1288 5 1.5 1241 -5.3 Details
44 Laerskool Swartkops Open - Section A Standard 2012-06-23 2012-06-23 Mid-Gauteng (GM) 5 1310 5 2 1395 7.6 Details
45 Mid-Gauteng Open 2012 Section A Standard 2012-06-16 2012-06-16 Mid-Gauteng (GM) 5 1301 5 1.5 1397 7.3 Details
46 Lubowski Open 2012 - Section A & B Standard 2012-05-18 2012-05-20 Gauteng North (GN) 6 1310 6 2 1259 -6.6 Details
47 2012 Capablanca Open Chess Festival B Section Standard 2012-04-27 2012-05-01 Gauteng North (GN) 7 1348 7 4 1143 -30 Details
48 Hennops Open 2012 - Section B Standard 2012-04-20 2012-04-21 Gauteng North (GN) 5 1322 5 4 1470 16.4 Details
49 Chris Greyling B 2012 Standard 2012-03-17 2012-03-17 Mid-Gauteng (GM) 5 1297 5 5 1697 41.7 Details
50 Waterkloof Open B Section Standard 2012-03-03 2012-03-03 Gauteng North (GN) 6 1294 6 4 1265 -1.5 Details
Game statistics ( )
Games 6
Wins 2
Draws 2
Losses 2
White 4
Black 2
White wins 1
Black wins 1
Score 3
Percent 50
Dp 0
AOR 1499.6
Performance 1499.6
Game statistics ()
Games 60
Wins 27
Draws 12
Losses 21
White 30
Black 30
White wins 12
Black wins 15
Score 33
Percent 55
Dp 42.5
AOR 1470.7
Performance 1513.2
Game statistics (History)
Games 205
Wins 85
Draws 37
Losses 83
White 101
Black 104
White wins 44
Black wins 41
Score 103.5
Percent 50.5
Dp 4.1
AOR 1467
Performance 1471.2
Rankings (Main)
National
Overall 1769
Gender 1573
Age group 703
Gender/Age 664
Provincial
Overall 634
Gender 555
Age group 240
Gender/Age 227
Regional
Overall 228
Gender 199
Age group 85
Gender/Age 80
Rankings (Standard)
National
Overall 1708
Gender 1498
Age group 635
Gender/Age 598
Provincial
Overall 616
Gender 537
Age group 222
Gender/Age 210
Regional
Overall 214
Gender 188
Age group 74
Gender/Age 71
Rankings (Rapid)
National
Overall 1422
Gender 1211
Age group 286
Gender/Age 272
Provincial
Overall 274
Gender 234
Age group 68
Gender/Age 67
Regional
Overall 114
Gender 103
Age group 42
Gender/Age 41
Rankings (Blitz)
National
Overall 314
Gender 302
Age group 176
Gender/Age 173
Provincial
Overall 112
Gender 104
Age group 54
Gender/Age 54
Regional
Overall 67
Gender 60
Age group 27
Gender/Age 27
Performance ( )
Games 6
Score 3
Percent 50
Aor 1499.6
Dp 0
Prat 1499.6
Performance ()
Games 60
Score 33
Percent 55
Aor 1470.7
Dp 42.5
Prat 1513.2
Performance (12 months)
Games 83
Score 46.5
Percent 56
Aor 1474.2
Dp 51.2
Prat 1525.4
Performance (History)
Games 205
Score 103.5
Percent 50.5
Aor 1467
Dp 4.1
Prat 1471.2
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Ngubeni, JM (Jackie) 5 3 2 JMC Crawford Sandton 2025 (B) Randburg Winter Swiss 2025 Details
Overall 2 Sinha, A (Anurag) 5 3 2 Randburg Autumn Rapid 2025 Randburg Autumn Rapid 2026 Details
Overall 3 Martynov, A (Alexey) 4 2 2 Randburg New Year Blitz 2025 Randburg Chess Club New Year Blitz 2026 Details
Overall 4 Sparks, SJW (Stephen) 4 1 3 Randburg Winter Swiss 2025 Randburg Autumn Swiss 2026 Details
Overall 5 Loon, M (Marc) 4 2 2 Randburg Chess Club New Year Swiss 2025 Randburg Autumn Swiss 2026 Details
Standard 1 Ngubeni, JM (Jackie) 5 3 2 JMC Crawford Sandton 2025 (B) Randburg Winter Swiss 2025 Details
Standard 2 Loon, M (Marc) 3 1 2 Randburg Chess Club New Year Swiss 2025 Randburg Autumn Swiss 2026 Details
Standard 3 Maharaj, A (Anaamika) 3 2 1 JMC Kick Off 2025 (B) JMC Trinityhouse Little Falls (B) Details
Standard 4 Mendelsohn, DC (David Charles) 3 1 2 Randburg Chess Club New Year Swiss 2025 Randburg Autumn Swiss 2026 Details
Standard 5 Rinkwest, C (Candice) 2 0 2 Randburg NY Swiss 2026 JMC Helpmekaar 2026 (B) Details
Rapid 1 Sinha, A (Anurag) 3 2 1 Randburg Autumn Rapid 2025 Randburg Autumn Rapid 2026 Details
Rapid 2 Tak, R (Rannveer) 2 1 1 JMC Rapid The Bridge School 2025 (Open) Randburg Autumn Rapid 2025 Details
Rapid 3 Luchies, M (Maria) 2 1 1 Randburg Autumn Rapid 2025 Randburg Chess Club New Year Rapid 2026 Details
Rapid 4 Badenhorst, D (Daniel) 2 1 1 Randburg Chess Club New Year Rapid 2026 Randburg Autumn Rapid 2026 Details
Blitz 1 Martynov, A (Alexey) 3 1 2 Randburg New Year Blitz 2025 Randburg Chess Club New Year Blitz 2026 Details
Blitz 2 Snyckers, A (Adam) 2 0 2 Randburg New Year Blitz 2025 Randburg Chess Club New Year Blitz 2026 Details