Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Neethling, JC (Jandre Constantene)
Dob:
2005/11/08 (U20)
Gender:
Male
Chess SA id:
105065850
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/02/10 (99 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1473.9
Curent Weighted rating
1420.5
Curent Weighted performance
1431.7
Current official/published rating (highest between Raw, WR and WP)
1473.9
Current floor (min rating allowed)
978.6
Current highest rating achieved
1478.6
Current K-factor
32
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±112.2
Current Raw change used (final)
0.0
Projected new Raw rating
1473.9
Projected new Weighed rating
1427.1
Projected new Weighted performance
1431.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1473.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1478.6
Projected new floor
978.6
Projected new K-facor
32
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1482.6
Curent Weighted rating
1420.8
Curent Weighted performance
1433.4
Current official/published rating (highest between Raw, WR and WP)
1482.6
Current floor (min rating allowed)
994.8
Current highest rating achieved
1494.8
Current K-factor
32
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±110.9
Current Raw change used (final)
0.0
Projected new Raw rating
1482.6
Projected new Weighed rating
1428.6
Projected new Weighted performance
1433.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1482.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1494.8
Projected new floor
994.8
Projected new K-facor
32
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
883.6
Curent Weighted rating
850.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
883.6
Current floor (min rating allowed)
500.0
Current highest rating achieved
883.6
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±260.3
Current Raw change used (final)
0.0
Projected new Raw rating
883.6
Projected new Weighed rating
853.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
883.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
883.6
Projected new floor
500.0
Projected new K-facor
40
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
500.0
Curent Weighted rating
500.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
500.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
500.0
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±449.5
Current Raw change used (final)
0.0
Projected new Raw rating
500.0
Projected new Weighed rating
500.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
500.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
500.0
Projected new floor
500.0
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
2024 Blou Bul Open Chess Tournament (B)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1478.6
1494.8
Analysis
1
2024 Tshwane Chess OPEN Registration Tournament (B)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1409.5
1409.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
26
2024 Blou Bul Open Chess Tournament (B)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1478.6
1494.8
Analysis
25
2024 Tshwane Chess OPEN Registration Tournament (B)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1409.5
1409.7
Analysis
24
Capricorn Qualifying March 2023 (U20)
2023/03/11
2023/03/11
Capricorn (LCP)
Standard
60
0.83
5
5
4.0
1399.3
1389.0
Analysis
23
Capricorn Qualifying February 4th 2023 (U20)
2023/02/11
2023/02/11
Capricorn (LCP)
Standard
60
0.83
5
5
4.0
1385.9
1366.0
Analysis
22
2022 South African Junior Team Chess Championships (U18 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
7
3.5
1309.2
1286.8
Analysis
21
Capricorn Qualifying August 2022 (U20)
2022/08/20
2022/08/20
Capricorn (LCP)
Standard
60
0.83
5
5
3.5
1299.0
1268.1
Analysis
20
Capricorn Qualifying May 2022 (U20)
2022/05/14
2022/05/14
Capricorn (LCP)
Standard
60
0.83
5
5
4.0
1287.3
1249.0
Analysis
19
Hoerskool Eldoraigne Rapid 2020
2020/03/06
2020/03/06
Chess Excellence (CEX)
Rapid
15
0.39
5
5
5.0
1242.5
657.2
Analysis
18
2019 Etienne Lewis Trials (U16 Boys)
2019/08/30
2019/09/01
Tshwane (GTP)
Standard
120
1.00
7
7
2.5
1221.7
1224.6
Analysis
17
2019 Swartkop Club Closed Championship (A)
2019/08/01
2019/08/15
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1177.9
1170.8
Analysis
16
2019 D4 Tshwane South Schools League Team Finals (U15)
2019/07/27
2019/07/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1165.6
1153.2
Analysis
15
2019 SWVG Arnold Classic (Rapid Open)
2019/05/18
2019/05/19
Tshwane (GTP)
Rapid
35
0.66
10
10
4.0
1156.9
500.0
Analysis
14
2019 D4 Individual Finals (U15 Mixed)
2019/03/09
2019/03/09
Tshwane (GTP)
Standard
60
0.83
5
4
2.0
1101.1
1102.6
Analysis
13
2019 Waterkloof Open (C)
2019/03/02
2019/03/03
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1101.1
1102.6
Analysis
12
South African Junior Team Championships 2018 (U14D)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
4.0
1056.7
1057.4
Analysis
11
2018 Tshwane Inter Region (U14D)
2018/12/01
2018/12/01
Cape Town (WCT)
Standard
60
0.83
5
5
2.0
1056.7
1057.4
Analysis
10
2018 Gauteng North Open (C)
2018/10/20
2018/10/21
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1031.1
1027.4
Analysis
9
2018 Etienne Lewis Trials (U14 Boys)
2018/08/31
2018/09/02
Tshwane (GTP)
Standard
120
1.00
7
6
1.5
1097.1
1092.6
Analysis
8
2018 Mid Gauteng Open (C)
2018/08/18
2018/08/18
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1010.9
1004.2
Analysis
7
2018 D4 Tshwane South Schools League Finals (U13)
2018/08/03
2018/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1010.9
1004.2
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
5
3
2
6.5
65.0
127.5
1515.6
1643.1
White
5
2
2
1
3.0
60.0
85.0
1507.0
1592.0
Black
5
3
1
1
3.5
70.0
170.0
1524.3
1694.3
Standard
All
10
5
3
2
6.5
65.0
127.5
1515.6
1643.1
White
5
2
2
1
3.0
60.0
85.0
1507.0
1592.0
Black
5
3
1
1
3.5
70.0
170.0
1524.3
1694.3
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
142
74
19
49
83.5
58.8
74.8
1165.0
1239.8
White
72
39
10
23
44.0
61.1
94.4
1192.5
1286.9
Black
70
35
9
26
39.5
56.4
54.6
1136.7
1191.3
Standard
All
127
65
19
43
74.5
58.7
73.6
1153.4
1227.0
White
64
34
10
20
39.0
60.9
93.0
1180.4
1273.4
Black
63
31
9
23
35.5
56.3
54.0
1126.0
1180.0
Rapid
All
15
9
0
6
9.0
60.0
85.0
1262.9
1347.9
White
8
5
0
3
5.0
62.5
106.3
1289.4
1395.6
Black
7
4
0
3
4.0
57.1
60.7
1232.5
1293.2
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
105055229
Bodenstein, J (Jeanre)
3
1.5
1
1
1
50.0
1188.4
0.0
1188.4
View list
2
105087848
Strydom, RW (Ruben Wynand)
3
1.5
1
1
1
50.0
761.2
0.0
761.2
View list
3
2100096777
Smit, M (Mia)
2
2.0
2
0
0
100.0
717.4
425.0
1142.4
View list
4
1040097844
Mapheto, O (Onthatile)
2
1.5
1
1
0
75.0
963.8
212.5
1176.3
View list
5
105077170
Smith, JD (Jayden)
2
1.5
1
1
0
75.0
1232.1
212.5
1444.6
View list
6
105055266
Van Den Berg, R (Rynhardt)
2
1.5
1
1
0
75.0
1099.1
212.5
1311.6
View list
7
1100143696
Songo, D (Divine)
2
1.0
1
0
1
50.0
1444.0
0.0
1444.0
View list
8
208078447
Timmerman, ME (Mischke)
2
1.0
1
0
1
50.0
1056.0
0.0
1056.0
View list
9
1080145977
Grunenfelder, S (Stiaan Bosua)
2
0.5
0
1
1
25.0
868.4
-212.5
655.9
View list
10
105060227
Pillay, M (Mikhael)
2
0.5
0
1
1
25.0
1106.8
-212.5
894.3
View list
11
205049927
De Souza-Allegria, M (Minette)
2
0.0
0
0
2
0.0
763.0
-425.0
338.0
View list
12
105057531
Nel, JM (James)
2
0.0
0
0
2
0.0
602.9
-425.0
177.9
View list
13
110088599
Bogaard, FK (Franco)
1
1.0
1
0
0
100.0
1177.9
425.0
1602.9
View list
14
105070132
Bambo, T (Tsepang)
1
1.0
1
0
0
100.0
591.3
425.0
1016.3
View list
15
1030098543
Aspeling, K (Ken)
1
1.0
1
0
0
100.0
1242.5
425.0
1667.5
View list
16
175000249
Adamson, LJ (Luke)
1
1.0
1
0
0
100.0
1478.6
425.0
1903.6
View list
17
1050112473
Boafo, E (Edin)
1
1.0
1
0
0
100.0
1165.6
425.0
1590.6
View list
18
169002661
Booysen, W (Wim)
1
1.0
1
0
0
100.0
1010.9
425.0
1435.9
View list
19
1060145440
Chosane, A (Archmond)
1
1.0
1
0
0
100.0
1385.9
425.0
1810.9
View list
20
1050112478
Chitanganya, P (Prince)
1
1.0
1
0
0
100.0
1101.1
425.0
1526.1
View list