PLAYER PAGE

Ivan Kruger

198016589
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1515.7
K-factor 32
Floor 1075.7
Highest 1575.7 (2025-07-01)
Min/Max +/- allowed 97
Rating Change
()
Games 8
Score 3.5
We 4.96
SWe -1.37
Temp +/- -43.9
Penalties 0
Weight perform 1413.2
Final +/- -43.9
New Rating
()
Rating 1471.7
K-factor 32
Floor 1075.7
Highest 1575.7 (2025-07-01)
Min/Max +/- allowed 97.1
Standard rating
Rating 1510.4
K-factor 32
Floor 1085.4
Highest 1585.4 (2025-07-01)
Min/Max +/- allowed 95.8
Rating Change
()
Games 8
Score 3.5
We 4.98
SWe -1.48
Temp +/- -47.3
Penalties 0
Weight perform 1411.2
Final +/- -47.3
New Rating
()
Rating 1463.1
K-factor 32
Floor 1085.4
Highest 1585.4 (2025-07-01)
Min/Max +/- allowed 95.8
Rapid rating
Rating 1315.2
K-factor 36
Floor 846.5
Highest 1346.5 (2025-03-01)
Min/Max +/- allowed 134.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1315.2
K-factor 36
Floor 846.5
Highest 1346.5 (2025-03-01)
Min/Max +/- allowed 134.6
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 NY Swiss 2026 Standard 2026-02-10 2026-03-31 Johannesburg Metro (GJM) 8 1515.7 8 3.5 1359.2 -43.9 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
2 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
3 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
4 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
5 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
6 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
7 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
8 Randburg Winter Swiss 2025 Standard 2025-07-29 2025-09-16 Johannesburg Metro (GJM) 8 1497.8 8 5 1560.9 11.3 Details
9 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
10 JMC Closed 2025 (B) Standard 2025-08-09 2025-08-10 Johannesburg Metro (GJM) 5 1489.2 5 3 1544.9 5.4 Details
11 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
12 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
13 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
14 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
15 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
16 Moja Chess Extravaganza 2025 (Blitz) Blitz 2025-04-26 2025-04-26 Johannesburg Metro (GJM) 7 1425.1 7 3 1438 0.3 Details
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 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
32 Mid-Gauteng Open Section A Standard 2013-06-15 2013-06-15 Tshwane (GTP) 5 1289 5 2.5 1336 4.1 Details
33 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
34 Chris Greyling 2013 Section A Standard 2013-03-16 2013-03-16 Mid-Gauteng (GM) 5 1262 5 1.5 1415 12.9 Details
35 Waterkloof Open B Section Standard 2013-03-01 2013-03-01 Tshwane (GTP) 6 1262 5 2 1075 -20.6 Details
36 Blue Bull Open 2013 Section A Standard 2013-02-02 2013-02-02 Mid-Gauteng (GM) 5 1262 4 1 1269 0.2 Details
37 Mid Gauteng Closed Section A Standard 2012-11-30 2012-12-01 Mid-Gauteng (GM) 5 1293 4 0 1105 -19.3 Details
38 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
39 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
40 Laerskool Swartkops Open - Section A Standard 2012-06-23 2012-06-23 Mid-Gauteng (GM) 5 1310 5 2 1395 7.6 Details
41 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
42 Lubowski Open 2012 - Section A & B Standard 2012-05-18 2012-05-20 Gauteng North (GN) 6 1310 6 2 1259 -6.6 Details
43 2012 Capablanca Open Chess Festival B Section Standard 2012-04-27 2012-05-01 Gauteng North (GN) 7 1348 7 4 1143 -30 Details
44 Hennops Open 2012 - Section B Standard 2012-04-20 2012-04-21 Gauteng North (GN) 5 1322 5 4 1470 16.4 Details
45 Chris Greyling B 2012 Standard 2012-03-17 2012-03-17 Mid-Gauteng (GM) 5 1297 5 5 1697 41.7 Details
46 Waterkloof Open B Section Standard 2012-03-03 2012-03-03 Gauteng North (GN) 6 1294 6 4 1265 -1.5 Details
47 Mid Gauteng Blou Bul Ope B Section Standard 2012-02-29 2012-02-29 Mid-Gauteng (GM) 5 1194 5 3.5 1510 32.2 Details
48 Gn Registration Tournament - Section B Standard 2012-02-08 2012-02-08 Gauteng North (GN) 6 1306 6 3 960 -30.4 Details
49 South African Junior Individual Championships 2011 (U14 Boys) Classical 2011-12-17 2011-12-21 Eastern Province (EP) 9 1278 9 4.5 1382 23.6 Details
50 South African Junior Team Championships 2011 (U14 A-Section) Classical 2011-12-12 2011-12-15 Eastern Province (EP) 7 1306 7 2 1169 -23.2 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 40
Wins 18
Draws 6
Losses 16
White 20
Black 20
White wins 8
Black wins 10
Score 21
Percent 52.5
Dp 21.2
AOR 1454.5
Performance 1475.7
Game statistics (History)
Games 185
Wins 76
Draws 31
Losses 78
White 91
Black 94
White wins 40
Black wins 36
Score 91.5
Percent 49.5
Dp -4.6
AOR 1463.1
Performance 1458.5
Rankings (Main)
National
Overall 1719
Gender 1526
Age group 693
Gender/Age 654
Provincial
Overall 588
Gender 517
Age group 237
Gender/Age 225
Regional
Overall 208
Gender 182
Age group 82
Gender/Age 77
Rankings (Standard)
National
Overall 1643
Gender 1444
Age group 645
Gender/Age 604
Provincial
Overall 568
Gender 499
Age group 223
Gender/Age 211
Regional
Overall 197
Gender 173
Age group 71
Gender/Age 68
Rankings (Rapid)
National
Overall 1725
Gender 1437
Age group 338
Gender/Age 318
Provincial
Overall 295
Gender 246
Age group 77
Gender/Age 74
Regional
Overall 127
Gender 114
Age group 49
Gender/Age 47
Rankings (Blitz)
National
Overall 268
Gender 256
Age group 154
Gender/Age 150
Provincial
Overall 95
Gender 88
Age group 47
Gender/Age 47
Regional
Overall 55
Gender 50
Age group 24
Gender/Age 24
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 40
Score 21
Percent 52.5
Aor 1454.5
Dp 21.2
Prat 1475.7
Performance (12 months)
Games 114
Score 58.5
Percent 51.3
Aor 1473.8
Dp 11.2
Prat 1485
Performance (History)
Games 185
Score 91.5
Percent 49.5
Aor 1463.1
Dp -4.6
Prat 1458.5
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 Martynov, A (Alexey) 4 2 2 Randburg New Year Blitz 2025 Randburg Chess Club New Year Blitz 2026 Details
Overall 3 Loon, M (Marc) 3 2 1 Randburg Chess Club New Year Swiss 2025 Neil Savage Memorial Randburg Club Champs 2025 Details
Overall 4 Snyckers, FA (Frank Alexander) 3 1 2 Randburg Chess Club New Year Rapid 2025 Randburg Chess Club New Year Blitz 2026 Details
Overall 5 Whittaker, G (Gregory) 3 1 2 Randburg New Year Blitz 2025 Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (A) Details
Standard 1 Ngubeni, JM (Jackie) 5 3 2 JMC Crawford Sandton 2025 (B) Randburg Winter Swiss 2025 Details
Standard 2 Maharaj, A (Anaamika) 3 2 1 JMC Kick Off 2025 (B) JMC Trinityhouse Little Falls (B) Details
Standard 3 Gudladona, KP (Kartikeya Praneeth) 2 0 2 2026 JMC Kick off Tournament (B) MCA Summer Heat Classic 2026 (Advanced) Details
Standard 4 Mendelsohn, DC (David Charles) 2 0 2 Randburg Chess Club New Year Swiss 2025 Randburg Winter Swiss 2025 Details
Standard 5 Whittaker, G (Gregory) 2 1 1 JMC Closed 2025 (B) Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (A) Details
Rapid 1 Tak, R (Rannveer) 2 1 1 JMC Rapid The Bridge School 2025 (Open) Randburg Autumn Rapid 2025 Details
Rapid 2 Sinha, A (Anurag) 2 1 1 Randburg Autumn Rapid 2025 Randburg Chess Club New Year Rapid 2026 Details
Rapid 3 Luchies, M (Maria) 2 1 1 Randburg Autumn Rapid 2025 Randburg Chess Club New Year 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