Player Page

Koopman, P (Percian)
Dob: 2015/03/10 (U10)
Gender: Male
Chess SA id: 2150143112
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/05/05 (43 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
Current Raw rating1215.3
Current Weighted rating1190.4
Current Weighted performance1157.4
Current official/published rating (highest between Raw, WR and WP)1215.3
Current highest rating achieved1218.8
Current floor (min rating allowed)718.8
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)±162.2
Current Raw change used (final)0.0
Projected new Raw rating1215.3
Projected new Weighed rating1094.9
Projected new Weighted performance1157.4
Projected new final Raw rating (if new WP > new Raw)1215.3
Projected new highest rating1218.8
Projected new floor718.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1215.3
Projected effective change (new Official - current Official)=0.0
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
Current Raw rating1194.4
Current Weighted rating1176.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1194.4
Current highest rating achieved1194.4
Current floor (min rating allowed)694.4
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)±167.1
Current Raw change used (final)0.0
Projected new Raw rating1194.4
Projected new Weighed rating1081.5
Projected new Weighted performance659.1
Projected new final Raw rating (if new WP > new Raw)1194.4
Projected new highest rating1194.4
Projected new floor694.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1194.4
Projected effective change (new Official - current Official)=0.0
s
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
Current Raw rating1248.6
Current Weighted rating1217.7
Current Weighted performance1164.3
Current official/published rating (highest between Raw, WR and WP)1248.6
Current highest rating achieved1248.6
Current floor (min rating allowed)748.6
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)±154.7
Current Raw change used (final)0.0
Projected new Raw rating1248.6
Projected new Weighed rating1120.7
Projected new Weighted performance1164.3
Projected new final Raw rating (if new WP > new Raw)1248.6
Projected new highest rating1248.6
Projected new floor748.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1248.6
Projected effective change (new Official - current Official)=0.0
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
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Western Cape PS Individuals Championship 2024 (U9 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.0 1203.6 1159.2 Analysis
2 West Coast Schools Chess Prestige Championships 2024 (U9 Girls) 2024/03/09 2024/03/09 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1195.0 1240.3 Analysis
1 Bo-Weskus Skole Prestige 2024 (O9 Dogters) 2024/02/10 2024/02/10 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1172.1 1207.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 Western Cape PS Individuals Championship 2024 (U9 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.0 1203.6 1159.2 Analysis
10 West Coast Schools Chess Prestige Championships 2024 (U9 Girls) 2024/03/09 2024/03/09 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1195.0 1240.3 Analysis
9 Bo-Weskus Skole Prestige 2024 (O9 Dogters) 2024/02/10 2024/02/10 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1172.1 1207.5 Analysis
8 Western Cape Top Schools 2023 (U9 Girls) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 5 4 1.0 1197.2 1200.0 Analysis
7 Upper West Coast Top Schools Championship 2023 (U7-U11) 2023/06/10 2023/06/10 West Coast (WCU) Rapid 30 0.60 5 4 2.0 1207.4 1223.0 Analysis
6 West Coast Open 2023 (Development A) 2023/05/20 2023/06/03 West Coast (WCU) Rapid 30 0.60 5 5 2.0 1207.4 1223.0 Analysis
5 West Coast Schools Development Championships 2023 (U7 Open+U9 Girls) 2023/04/22 2023/04/22 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1195.3 1198.9 Analysis
4 PRBCC Closed 2023 (C) 2023/04/15 2023/04/15 West Coast (WCU) Rapid 35 0.66 6 6 3.0 1195.3 1198.9 Analysis
3 Bo-Weskus Skole Prestige 2023 (O9 Dogters) 2023/03/04 2023/03/04 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1183.2 1177.7 Analysis
2 West Coast Schools Chess Grand Challenge 2022 (PS Development) 2022/10/29 2022/10/29 West Coast (WCU) Rapid 30 0.60 5 5 1.0 1218.8 1240.0 Analysis
1 Bo-Weskus Top Skole 2022 (O7) 2022/06/11 2022/06/11 West Coast (WCU) Rapid 20 0.47 6 4 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 16 9 1 6 9.5 59.4 79.7 1210.2 1289.9
White 8 5 1 2 5.5 68.8 159.4 1205.4 1364.8
Black 8 4 0 4 4.0 50.0 0.0 1215.0 1215.0
Standard All 6 3 0 3 3.0 50.0 0.0 1260.5 1260.5
White 3 2 0 1 2.0 66.7 141.7 1212.5 1354.2
Black 3 1 0 2 1.0 33.3 -141.7 1308.6 1166.9
Rapid All 10 6 1 3 6.5 65.0 127.5 1180.0 1307.5
White 5 3 1 1 3.5 70.0 170.0 1201.2 1371.2
Black 5 3 0 2 3.0 60.0 85.0 1158.9 1243.9
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 54 26 3 25 27.5 50.9 7.9 1205.7 1213.6
White 27 14 2 11 15.0 55.6 47.2 1207.9 1255.1
Black 27 12 1 14 12.5 46.3 -31.5 1203.5 1172.0
Standard All 10 4 0 6 4.0 40.0 -85.0 1249.2 1164.2
White 5 3 0 2 3.0 60.0 85.0 1197.1 1282.1
Black 5 1 0 4 1.0 20.0 -255.0 1301.3 1046.3
Rapid All 44 22 3 19 23.5 53.4 29.0 1195.8 1224.8
White 22 11 2 9 12.0 54.5 38.6 1210.4 1249.0
Black 22 11 1 10 11.5 52.3 19.3 1181.2 1200.6
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 2160153132 Adonis, G (Gia) 3 3.0 3 0 0 100.0 1187.5 425.0 1612.5 View list
2 2150143102 Arinze, K (Karmelithe) 3 2.0 2 0 1 66.7 1187.5 141.7 1329.1 View list
3 2150143116 Tieties, N (Nicola) 3 0.0 0 0 3 0.0 1188.2 -425.0 763.2 View list
4 2150143111 Karstens, C (Caitline) 2 2.0 2 0 0 100.0 1200.0 425.0 1625.0 View list
5 2150143110 Julies, J (Jazne) 2 2.0 2 0 0 100.0 1199.4 425.0 1624.4 View list
6 2160153135 Fortuin, M (Mia) 2 2.0 2 0 0 100.0 1201.3 425.0 1626.3 View list
7 1150143107 Hough, C (Cj) 2 1.0 0 2 0 50.0 1200.0 0.0 1200.0 View list
8 2140153160 Van Wyk, S (Sheronique) 2 0.0 0 0 2 0.0 1195.3 -425.0 770.3 View list
9 2160153133 Afrika, N (Nazley) 1 1.0 1 0 0 100.0 1195.3 425.0 1620.3 View list
10 2160161826 Flores, Z (Zhoe) 1 1.0 1 0 0 100.0 1203.6 425.0 1628.6 View list
11 2160154655 Joubert, S (Sumari) 1 1.0 1 0 0 100.0 1203.6 425.0 1628.6 View list
12 1150147348 Joseph, R (Raphael) 1 1.0 1 0 0 100.0 1218.8 425.0 1643.8 View list
13 2140154604 Johannes, M (Mischka) 1 1.0 1 0 0 100.0 1195.3 425.0 1620.3 View list
14 2150139111 Blaauw, C (Charne) 1 1.0 1 0 0 100.0 1207.4 425.0 1632.4 View list
15 2150143103 Beukes, S (Suedine) 1 1.0 1 0 0 100.0 1183.2 425.0 1608.2 View list
16 2150157860 Klaase, N (Nizeche) 1 1.0 1 0 0 100.0 1207.4 425.0 1632.4 View list
17 2150143113 Kotze, F (Faith-Lynne) 1 1.0 1 0 0 100.0 1195.3 425.0 1620.3 View list
18 2140150639 Mashua, M (Maisha) 1 1.0 1 0 0 100.0 1197.2 425.0 1622.2 View list
19 2150192585 Meyer, G (Genova) 1 1.0 1 0 0 100.0 1172.1 425.0 1597.1 View list
20 1080157867 Rosenberg, G (Granville) 1 1.0 1 0 0 100.0 1207.4 425.0 1632.4 View list