Player Page

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
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 rating1318.1
Curent Weighted rating1177.8
Curent Weighted performance1202.2
Current official/published rating (highest between Raw, WR and WP)1318.1
Current floor (min rating allowed)818.1
Current highest rating achieved1318.1
Current K-factor36
Games played this month0
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 rating1318.1
Projected new Weighed rating1188.7
Projected new Weighted performance1202.2
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 rating1318.1
Projected new floor818.1
Projected new K-facor36
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 rating1304.7
Curent Weighted rating1162.9
Curent Weighted performance1189.0
Current official/published rating (highest between Raw, WR and WP)1304.7
Current floor (min rating allowed)804.7
Current highest rating achieved1304.7
Current K-factor36
Games played this month0
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 rating1304.7
Projected new Weighed rating1173.5
Projected new Weighted performance1189.0
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 rating1304.7
Projected new floor804.7
Projected new K-facor36
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 rating1144.0
Curent Weighted rating1169.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1169.4
Current floor (min rating allowed)644.0
Current highest rating achieved1144.0
Current K-factor40
Games played this month0
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 rating1144.0
Projected new Weighed rating1166.4
Projected new Weighted performance0.0
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 rating1144.0
Projected new floor644.0
Projected new K-facor40
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)644.0
Current highest rating achieved1200.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1200.0
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 rating1200.0
Projected new floor644.0
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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