Player Page

Koopmans, X (Xander)
Dob: 2009/01/13 (U16)
Gender: Male
Chess SA id: 1090103917
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2019/04/21 (1869 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 rating1037.5
Curent Weighted rating1037.5
Curent Weighted performance315.6
Current official/published rating (highest between Raw, WR and WP)1037.5
Current floor (min rating allowed)759.1
Current highest rating achieved1259.1
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)±209.0
Current Raw change used (final)0.0
Projected new Raw rating1037.5
Projected new Weighed rating1037.5
Projected new Weighted performance315.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1037.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1259.1
Projected new floor759.1
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 rating1021.2
Curent Weighted rating1021.2
Curent Weighted performance314.3
Current official/published rating (highest between Raw, WR and WP)1021.2
Current floor (min rating allowed)770.0
Current highest rating achieved1270.0
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)±213.9
Current Raw change used (final)0.0
Projected new Raw rating1021.2
Projected new Weighed rating1021.2
Projected new Weighted performance314.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1021.2
Projected effective change (new Official - current Official)-0.0
Projected new highest rating1270.0
Projected new floor770.0
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 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)700.0
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 floor700.0
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 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)700.0
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 floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 2019 Capablanca Chess Festival (C) 2019/04/19 2019/04/21 Tshwane (GTP) Standard 90 0.94 7 6 0.0 1145.8 1133.9 Analysis
5 2019 D4 Individual Finals (U11 Mixed) 2019/03/09 2019/03/09 Tshwane (GTP) Standard 60 0.83 5 4 2.0 1138.0 1121.3 Analysis
4 2019 Tshwane Chess Registration Tournament (C) 2019/01/26 2019/01/26 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1147.9 1132.1 Analysis
3 2018 D4 Tshwane South Schools League Finals (U9) 2018/08/03 2018/08/03 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1158.7 1145.8 Analysis
2 2018 Menlo Open Chess Tournament (C) 2018/07/21 2018/07/21 Tshwane (GTP) Standard 60 0.83 5 5 0.5 1259.1 1270.0 Analysis
1 2018 Swartkop Open (E) 2018/06/23 2018/06/23 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 30 12 1 17 12.5 41.7 -70.8 1082.7 1011.8
White 15 4 1 10 4.5 30.0 -170.0 1047.3 877.3
Black 15 8 0 7 8.0 53.3 28.3 1118.0 1146.3
Standard All 30 12 1 17 12.5 41.7 -70.8 1082.7 1011.8
White 15 4 1 10 4.5 30.0 -170.0 1047.3 877.3
Black 15 8 0 7 8.0 53.3 28.3 1118.0 1146.3
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 112089895 Govender, P (Pranau) 2 0.0 0 0 2 0.0 1203.5 -425.0 778.5 View list
2 111077190 Liang, YX (Yi-Xuan (Bowie)) 2 0.0 0 0 2 0.0 1208.9 -425.0 783.9 View list
3 1820108317 Henning, C (Christiaan) 1 1.0 1 0 0 100.0 1147.9 425.0 1572.9 View list
4 1060103922 Kowalsky, B (Brandon) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1090103920 Reyneke, L (Luke) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 208082677 Radia, D (Diya) 1 1.0 1 0 0 100.0 1147.9 425.0 1572.9 View list
7 107073047 Lourens, E (Edrich) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 110095065 Roux, L (Liam) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1090098574 Gounder, A (Arun) 1 1.0 1 0 0 100.0 1158.7 425.0 1583.7 View list
10 109085214 Ernst, AJ (Alex Johan) 1 1.0 1 0 0 100.0 1158.7 425.0 1583.7 View list
11 1080112413 Conradie, AF (Andries Frederik) 1 1.0 1 0 0 100.0 1138.0 425.0 1563.0 View list
12 1080112406 Cloete, RA (Roche Andre) 1 1.0 1 0 0 100.0 1138.0 425.0 1563.0 View list
13 110081026 Smit, W (Wian) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1090105139 Visser, W (Wiehan) 1 1.0 1 0 0 100.0 1158.7 425.0 1583.7 View list
15 106080010 Jansen Van Rensburg, NE (Nicolas Emile) 1 0.5 0 1 0 50.0 1259.1 0.0 1259.1 View list
16 208048362 Reyneke, T (Talia) 1 0.0 0 0 1 0.0 1147.9 -425.0 722.9 View list
17 107071113 Liang, YT (Yi-Tao (Anson)) 1 0.0 0 0 1 0.0 1259.1 -425.0 834.1 View list
18 108073053 Klopper, C (Chris) 1 0.0 0 0 1 0.0 1259.1 -425.0 834.1 View list
19 201078484 Janse Van Rensburg, N (Natasha) 1 0.0 0 0 1 0.0 1145.8 -425.0 720.8 View list
20 107070812 Du Plessis, LD (Liam) 1 0.0 0 0 1 0.0 1147.9 -425.0 722.9 View list