Chess South Africa
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Chess South Africa
Koen, JP (Jan-Paul)
Dob:
2008/07/09 (U18)
Gender:
Male
Chess SA id:
108093065
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2024/04/20 (30 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
1318.1
Curent Weighted rating
1177.8
Curent Weighted performance
1202.2
Current official/published rating (highest between Raw, WR and WP)
1318.1
Current floor (min rating allowed)
818.1
Current highest rating achieved
1318.1
Current K-factor
36
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)
±140.1
Current Raw change used (final)
0.0
Projected new Raw rating
1318.1
Projected new Weighed rating
1188.7
Projected new Weighted performance
1202.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1318.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1318.1
Projected new floor
818.1
Projected new K-facor
36
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
1304.7
Curent Weighted rating
1162.9
Curent Weighted performance
1189.0
Current official/published rating (highest between Raw, WR and WP)
1304.7
Current floor (min rating allowed)
804.7
Current highest rating achieved
1304.7
Current K-factor
36
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)
±142.8
Current Raw change used (final)
0.0
Projected new Raw rating
1304.7
Projected new Weighed rating
1173.5
Projected new Weighted performance
1189.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1304.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1304.7
Projected new floor
804.7
Projected new K-facor
36
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
1144.0
Curent Weighted rating
1169.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1169.4
Current floor (min rating allowed)
644.0
Current highest rating achieved
1144.0
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)
±179.6
Current Raw change used (final)
0.0
Projected new Raw rating
1144.0
Projected new Weighed rating
1166.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1166.4
Projected effective change (new Official - current Official)
-3.0
Projected new highest rating
1144.0
Projected new floor
644.0
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
644.0
Current highest rating achieved
1200.0
Current K-factor
36
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1200.0
Projected new floor
644.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Hoerskool Overvaal Chess Open 2024 (B)
2024/04/20
2024/04/20
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1164.0
1151.6
Analysis
3
Vaalpark Primary Chess Open 2024 (B)
2024/04/13
2024/04/13
Sedibeng (GSV)
Standard
60
0.83
5
3
2.0
1164.0
1151.6
Analysis
2
NG Kerk Vanderbijlpark Suid 2024 (C)
2024/02/24
2024/02/24
Sedibeng (GSV)
Standard
61
0.84
5
5
2.5
1142.8
1120.0
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U16B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1159.0
1130.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
9
Hoerskool Overvaal Chess Open 2024 (B)
2024/04/20
2024/04/20
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1164.0
1151.6
Analysis
8
Vaalpark Primary Chess Open 2024 (B)
2024/04/13
2024/04/13
Sedibeng (GSV)
Standard
60
0.83
5
3
2.0
1164.0
1151.6
Analysis
7
NG Kerk Vanderbijlpark Suid 2024 (C)
2024/02/24
2024/02/24
Sedibeng (GSV)
Standard
61
0.84
5
5
2.5
1142.8
1120.0
Analysis
6
2024 Gauteng Inter-Region Chess Championship (U16B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1159.0
1130.8
Analysis
5
Dr Pieter Hangelbroek Rapid 2023 (B)
2023/10/28
2023/10/28
Sedibeng (GSV)
Rapid
30
0.60
5
5
2.0
1144.1
1200.0
Analysis
4
Gauteng D7 Teams 2023 (U17)
2023/08/12
2023/08/12
Sedibeng (GSV)
Standard
60
0.83
5
4
1.0
1168.7
1159.6
Analysis
3
Gauteng Schools D7 2023 (U15 Boys)
2023/05/20
2023/05/20
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1180.7
1177.2
Analysis
2
Valia's Chess Tournament 2023 (C)
2023/05/06
2023/05/06
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
1180.7
1177.2
Analysis
1
Overvaal Open 2023 (C)
2023/04/15
2023/04/15
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
18
8
1
9
8.5
47.2
-23.6
1312.7
1289.1
White
8
5
1
2
5.5
68.8
159.4
1308.6
1468.0
Black
10
3
0
7
3.0
30.0
-170.0
1315.9
1145.9
Standard
All
18
8
1
9
8.5
47.2
-23.6
1312.7
1289.1
White
8
5
1
2
5.5
68.8
159.4
1308.6
1468.0
Black
10
3
0
7
3.0
30.0
-170.0
1315.9
1145.9
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
42
18
1
23
18.5
44.0
-50.6
1254.5
1203.9
White
20
10
1
9
10.5
52.5
21.3
1228.6
1249.9
Black
22
8
0
14
8.0
36.4
-115.9
1278.1
1162.2
Standard
All
37
16
1
20
16.5
44.6
-45.9
1243.0
1197.1
White
18
8
1
9
8.5
47.2
-23.6
1234.6
1210.9
Black
19
8
0
11
8.0
42.1
-67.1
1251.1
1184.0
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1339.6
1254.6
White
2
2
0
0
2.0
100.0
425.0
1175.2
1600.2
Black
3
0
0
3
0.0
0.0
-425.0
1449.2
1024.2
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
2100155838
Booysen, M (Minique)
1
1.0
1
0
0
100.0
1144.1
425.0
1569.1
View list
2
2090119783
Kovuzela, J (Jabulile)
1
1.0
1
0
0
100.0
1164.0
425.0
1589.0
View list
3
107077106
Matsunyane, E (Edwin)
1
1.0
1
0
0
100.0
1168.7
425.0
1593.7
View list
4
2080141936
Makhale, O (Oratiloe)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
108092849
Majola, O (Omphile)
1
1.0
1
0
0
100.0
1164.0
425.0
1589.0
View list
6
1080155771
Mabuya, T (Thapelo Lerato)
1
1.0
1
0
0
100.0
1180.7
425.0
1605.7
View list
7
2090300147
Koen, A (Anine Elma)
1
1.0
1
0
0
100.0
1142.8
425.0
1567.8
View list
8
1070098052
Eberwein, HJ (Heinrich)
1
1.0
1
0
0
100.0
1164.0
425.0
1589.0
View list
9
1090148395
Chitja, D (Diteboho)
1
1.0
1
0
0
100.0
1159.0
425.0
1584.0
View list
10
1090148622
Moholi, N (Ntsane)
1
1.0
1
0
0
100.0
1180.7
425.0
1605.7
View list
11
1090155855
Mothibi, B (Boipelo)
1
1.0
1
0
0
100.0
1180.7
425.0
1605.7
View list
12
1080155856
Mvula, E (Emanual)
1
1.0
1
0
0
100.0
1180.7
425.0
1605.7
View list
13
1080302090
Sieberhagen, N (Nicolaas)
1
1.0
1
0
0
100.0
1164.0
425.0
1589.0
View list
14
1090155863
Tlou, N (Nkululelo)
1
1.0
1
0
0
100.0
1180.7
425.0
1605.7
View list
15
109089303
Tolmay, L (Llewellyn)
1
1.0
1
0
0
100.0
1164.0
425.0
1589.0
View list
16
210082952
Van Biljon, J (Jessica)
1
1.0
1
0
0
100.0
1144.1
425.0
1569.1
View list
17
1060153288
Van Straaten, T (Tristan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
18
2110137806
Visser, M (Mila)
1
1.0
1
0
0
100.0
1142.8
425.0
1567.8
View list
19
2110138272
Campher, H (Hannah)
1
0.5
0
1
0
50.0
1142.8
0.0
1142.8
View list
20
1060112904
Mini, S (Siboniso)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list