PLAYER PAGE

Janus Greef

106060686
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1399.5
K-factor 32
Floor 916.3
Highest 1416.3 (2023-10-01)
Min/Max +/- allowed 122
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1056.5
Final +/- 0
New Rating
()
Rating 1399.5
K-factor 32
Floor 916.3
Highest 1416.3 (2023-10-01)
Min/Max +/- allowed 121.8
Standard rating
Rating 1397.6
K-factor 32
Floor 921.8
Highest 1421.8 (2023-10-01)
Min/Max +/- allowed 120.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1056.5
Final +/- 0
New Rating
()
Rating 1397.6
K-factor 32
Floor 921.8
Highest 1421.8 (2023-10-01)
Min/Max +/- allowed 120.9
Rapid rating
Rating 879.6
K-factor 40
Floor 500
Highest 1200 (2019-12-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 879.6
K-factor 40
Floor 500
Highest 1200 (2019-12-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 764.6
K-factor 40
Floor 500
Highest 1200 (2024-02-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 764.6
K-factor 40
Floor 500
Highest 1200 (2024-02-01)
Min/Max +/- allowed 165.8
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 Paarl Boys' High Chess Festival 2024 (Elite) Standard 2024-10-04 2024-10-05 Cape Winelands (WCW) 6 1404.1 6 1 1258 0 Details
2 Paarl Boys High Chess Festival 2023 (Elite Division) Standard 2023-10-13 2023-10-14 Cape Winelands (WCW) 6 1416.3 6 2 1351.8 0 Details
3 D2 School League Finals 2023 (U19) Standard 2023-07-22 2023-07-22 West Rand (GWR) 5 1389.7 5 4 1532.6 0 Details
4 2022 South African Junior Team Chess Championships (U18 Open) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1394 7 2.5 1402.2 0 Details
5 JMC 3rd Trials 2022 (B) Standard 2022-09-11 2022-09-11 Johannesburg Metro (GJM) 5 1334.8 5 4 1611.5 0 Details
6 D2 School League Finals 2022 (U18) Standard 2022-08-20 2022-08-20 West Rand (GWR) 5 1360.2 5 2 1225.5 0 Details
7 2022 Gauteng Schools Team Championships (U19 Open) Standard 2022-08-26 2022-08-26 Tshwane (GTP) 5 1360.2 4 2 1354.7 0 Details
8 JNW Helpmekaar 2022 (Challengers) Standard 2022-07-09 2022-07-09 Johannesburg Metro (GJM) 5 1381.1 5 2.5 1270.2 0 Details
9 2022 Gauteng Interregion (U16 Open) Standard 2022-02-26 2022-02-26 Tshwane (GTP) 5 1272 5 3.5 1583.1 0 Details
10 JMC Charterhouse Open 2022 (B) Standard 2022-02-12 2022-02-12 Johannesburg Metro (GJM) 5 1272 5 2.5 1344.4 0 Details
11 2021 Milos Ristic Open (C) Standard 2021-10-09 2021-10-09 Tshwane (GTP) 5 1239.7 5 4 1428 0 Details
12 JMC Helpmekaar 2021 (U16) Rapid 2021-09-06 2021-09-06 Johannesburg Metro (GJM) 5 1227.2 5 2.5 1333.8 0 Details
13 JNW Club - Trinityhouse Randpark Ridge Open 2020 (C) Standard 2020-02-22 2020-02-22 Johannesburg Metro (GJM) 5 1162.9 5 4 1516.2 0 Details
14 2019 South African Junior Team Championships (U14B) Classical 2020-01-04 2020-01-08 4 Knights (4K) 7 1274.1 7 0.5 903.1 0 Details
15 The Joburg Open 2019 (Masters) Standard 2019-10-12 2019-10-12 Johannesburg Metro (GJM) 5 1265.2 5 2.5 1285.6 0 Details
16 GJM vs GE Inter Region 2019 (U14D) Standard 2019-10-05 2019-10-05 Johannesburg Metro (GJM) 5 1265.2 5 2 1258.4 0 Details
17 The King`s Cup League - Stage 2 2019 (B) Standard 2019-09-07 2019-09-07 Johannesburg Metro (GJM) 5 1241.5 5 3 1320.1 0 Details
18 D2 League Finals 2019 (U13 Mix) Standard 2019-08-03 2019-08-03 West Rand (GWR) 7 1116.7 6 5 1260.2 0 Details
19 2019 Gauteng School League Finals (U13 Open) Standard 2019-08-23 2019-08-23 Tshwane (GTP) 5 1116.7 5 3 1349.1 0 Details
20 JNW Club - Helpmekaar Kollege Open 2019 (C) Standard 2019-07-06 2019-07-06 Johannesburg Metro (GJM) 5 1110.7 5 2 1150.7 0 Details
21 Fonties Challange 2019 (U13) Standard 2019-06-08 2019-06-08 Johannesburg Metro (GJM) 5 1057.2 5 2.5 1190.6 0 Details
22 Chess Heroes Junior Tournament 2019 (A) Standard 2019-06-22 2019-06-22 Johannesburg Metro (GJM) 5 1057.2 5 3 1212.7 0 Details
23 JNW Club - Bryanston Open 2 2019 (C) Standard 2019-05-11 2019-05-11 Johannesburg Metro (GJM) 5 1098.7 4 0.5 832.3 0 Details
24 2019 Chris Greyling (C) Standard 2019-04-27 2019-04-27 Tshwane (GTP) 5 1121.9 5 2.5 1075.1 0 Details
25 JNW Club - Charterhouse Open 2019 (C) Standard 2019-04-13 2019-04-13 Johannesburg Metro (GJM) 5 1121.9 5 2 1034.5 0 Details
26 JNW Club - Trinityhouse Little Falls Open 2019 (C) Standard 2019-02-23 2019-02-23 Johannesburg Metro (GJM) 5 1073.3 5 3 1306.3 0 Details
27 JNW Club - Bryanston Open 1 2019 (B) Standard 2019-01-26 2019-01-26 Johannesburg Metro (GJM) 5 1077.3 5 1 1050.5 0 Details
28 2018 Tshwane Inter Region (U14D) Standard 2018-12-01 2018-12-01 Cape Town (WCT) 5 1106.9 5 2.5 927.9 0 Details
29 South African Junior Team Championships 2018 (U14B) Classical 2018-12-16 2018-12-20 4 Knights (4K) 7 1106.9 7 3.5 1117.9 0 Details
30 Inter Region GE vs JHB Metro 2018 (U14C) Standard 2018-10-06 2018-10-06 Ekurhuleni (GE) 5 1096.3 5 2.5 1143.7 0 Details
31 2018 Gauteng League Final (U13) Standard 2018-08-24 2018-08-24 Tshwane (GTP) 5 1003.5 5 3.5 1214.4 0 Details
32 JNW Club - Maragon Open 2018 (C) Standard 2018-08-04 2018-08-04 Johannesburg Metro (GJM) 5 1003.5 4 2.5 1074.4 0 Details
33 JHB Metro Junior Closed 2018 (U14) Standard 2018-07-28 2018-07-29 Johannesburg Metro (GJM) 6 969.6 6 3.5 1075.9 0 Details
34 JNW Club - Bryanston Open 2 2018 (C) Standard 2018-05-05 2018-05-05 Johannesburg Metro (GJM) 5 960.5 5 2.5 965.3 0 Details
35 JNW Club - Linden Open 2018 (C) Standard 2018-04-14 2018-04-14 Johannesburg Metro (GJM) 5 853.6 5 3 960.5 0 Details
36 Fonties Challenge 2018 (U13+U15) Standard 2018-04-21 2018-04-21 Johannesburg Metro (GJM) 5 853.6 5 3 1142.3 0 Details
37 2018 Waterkloof Open (C) Standard 2018-03-03 2018-03-04 Tshwane (GTP) 5 861.5 5 2 818.8 0 Details
38 2018 Constantia Park Open (D) Standard 2018-02-10 2018-02-10 Tshwane (GTP) 5 869.8 5 3.5 820.5 0 Details
39 JNW Club - Trinityhouse Little Falls Open 2018 (C) Standard 2018-02-16 2018-02-17 Johannesburg Metro (GJM) 6 869.8 6 3.5 866.8 0 Details
40 South African Junior Team Championships 2017 (U12C) Classical 2018-01-04 2018-01-08 4 Knights (4K) 7 764.6 7 5.5 1078.7 0 Details
41 The Metro Open 2017 (Senior Cadets) Standard 2017-09-16 2017-09-17 Johannesburg Metro (GJM) 5 673 5 3 699 0 Details
42 2017 Gauteng Schools Team Finals (U11 Mixed) Standard 2017-09-09 2017-09-09 Tshwane (GTP) 5 673 5 3 856 0 Details
43 Jnw Club - Muldersdrif Open 2017 (B) Standard 2017-08-19 2017-08-19 Johannesburg Metro (GJM) 5 679 5 2.5 636 0 Details
44 D2 Top Schools 2017 (U11 Mixed) Standard 2017-07-29 2017-07-29 Johannesburg Metro (GJM) 5 679 4 3 780 0 Details
45 Jnw Club - Maragon Open 2017 (C) Standard 2017-06-02 2017-06-03 Johannesburg Metro (GJM) 6 679 6 2 665 0 Details
46 2017 Swartkop Open (D) Standard 2017-07-01 2017-07-01 Tshwane (GTP) 5 667 5 2.5 711 0 Details
47 Jnw Club - Northriding College Open 2017 (C) Standard 2017-06-02 2017-06-03 Johannesburg Metro (GJM) 6 596 6 4 822 0 Details
48 Jnw Club - Bryanston2 Open 2017 (C) Standard 2017-05-05 2017-05-06 Johannesburg Metro (GJM) 6 602 4 1.5 590 0 Details
49 2017 Pss + Jnw Classic (C) Standard 2017-04-22 2017-04-22 Johannesburg Metro (GJM) 6 665 6 1.5 500 0 Details
50 Chessnuts / Fontainebleau 2017 (Junior Elite) Standard 2017-02-10 2017-02-11 Johannesburg Metro (GJM) 6 530 6 3.5 634 0 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 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 (History)
Games 210
Wins 92
Draws 36
Losses 82
White 105
Black 105
White wins 48
Black wins 44
Score 110
Percent 52.4
Dp 20.2
AOR 1169.3
Performance 1189.5
Rankings (Main)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Standard)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Rapid)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (History)
Games 210
Score 110
Percent 52.4
Aor 1169.3
Dp 20.2
Prat 1189.5
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Greef, S (Schalk) 4 2 2 2018 Waterkloof Open (C) JMC Charterhouse Open 2022 (B) Details
Overall 2 Steyn, C (Corne) 3 3 0 JNW Club - Bryanston Open 2 2018 (C) JNW Club - Helpmekaar Kollege Open 2019 (C) Details
Overall 3 Brandt, DW (Declan William) 3 2 1 JHB Metro Junior Closed 2018 (U14) JMC Helpmekaar 2021 (U16) Details
Overall 4 Steyn, T (Tjaart) 3 1 2 JNW Club - Trinityhouse Little Falls Open 2019 (C) JNW Club - Bryanston Open 2 2019 (C) Details
Overall 5 Smith, Z (Zion) 2 1 1 JNW Club - Charterhouse Open 2019 (C) JNW Club - Trinityhouse Randpark Ridge Open 2020 (C) Details
Standard 1 Greef, S (Schalk) 4 2 2 2018 Waterkloof Open (C) JMC Charterhouse Open 2022 (B) Details
Standard 2 Steyn, T (Tjaart) 3 1 2 JNW Club - Trinityhouse Little Falls Open 2019 (C) JNW Club - Bryanston Open 2 2019 (C) Details
Standard 3 Steyn, C (Corne) 3 3 0 JNW Club - Bryanston Open 2 2018 (C) JNW Club - Helpmekaar Kollege Open 2019 (C) Details
Standard 4 Brandt, DW (Declan William) 2 1 1 JHB Metro Junior Closed 2018 (U14) JNW Club - Bryanston Open 1 2019 (B) Details
Standard 5 Mofokeng, K (Kamohelo) 2 2 0 JHB Metro Junior Closed 2018 (U14) JNW Club - Maragon Open 2018 (C) Details