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: 2024/09/01 (15 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 rating1239.1
Current Weighted rating1197.2
Current Weighted performance1185.4
Current official/published rating (highest between Raw, WR and WP)1239.1
Current highest rating achieved1239.1
Current floor (min rating allowed)739.1
Current K-factor36
Games played this month5
Score (S)1.0
Expected score (We)2.53
Difference (S-We)-1.27
Current Raw change (no limits, including tournament time weight)-45.7
Current min/max change allowed (with limits)±156.8
Current Raw change used (final)-45.7
Projected new Raw rating1193.4
Projected new Weighed rating1101.7
Projected new Weighted performance1116.3
Projected new final Raw rating (if new WP > new Raw)1193.4
Projected new highest rating1239.1
Projected new floor739.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1193.4
Projected effective change (new Official - current Official)-45.7
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 rating1178.7
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 month5
Score (S)1.0
Expected score (We)2.45
Difference (S-We)-1.45
Current Raw change (no limits, including tournament time weight)-58.0
Current min/max change allowed (with limits)±167.1
Current Raw change used (final)-58.0
Projected new Raw rating1136.4
Projected new Weighed rating1084.0
Projected new Weighted performance820.8
Projected new final Raw rating (if new WP > new Raw)1136.4
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)1136.4
Projected effective change (new Official - current Official)-58.0
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 rating1282.5
Current Weighted rating1227.9
Current Weighted performance1223.4
Current official/published rating (highest between Raw, WR and WP)1282.5
Current highest rating achieved1282.5
Current floor (min rating allowed)782.5
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)±147.4
Current Raw change used (final)0.0
Projected new Raw rating1282.5
Projected new Weighed rating1130.7
Projected new Weighted performance1223.4
Projected new final Raw rating (if new WP > new Raw)1282.5
Projected new highest rating1282.5
Projected new floor782.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1282.5
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
Tournament: Western Cape Top Schools Championship 2024 (U9 Girls)
Start: 2024/08/30  End: 2024/09/01  Host: WEG  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 1.0
Main rating: 1239.1  Rating gain/loss: -45.7
Type rating: 1194.4  Rating gain/loss: -58.0
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 Western Cape Top Schools Championship 2024 (U9 Girls) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 5 1.0 1239.1 1194.4 Analysis
5 Pedro Booyse Top Schools Championships 2024 (U7+U9) 2024/07/20 2024/07/20 West Coast (WCU) Rapid 30 0.60 7 7 5.0 1208.0 1234.6 Analysis
4 Pedro Booyse Annual Rapid 2024 (Development) 2024/07/06 2024/07/06 West Coast (WCU) Rapid 30 0.60 5 5 2.5 1215.3 1248.6 Analysis
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
14 Western Cape Top Schools Championship 2024 (U9 Girls) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 5 1.0 1239.1 1194.4 Analysis
13 Pedro Booyse Top Schools Championships 2024 (U7+U9) 2024/07/20 2024/07/20 West Coast (WCU) Rapid 30 0.60 7 7 5.0 1208.0 1234.6 Analysis
12 Pedro Booyse Annual Rapid 2024 (Development) 2024/07/06 2024/07/06 West Coast (WCU) Rapid 30 0.60 5 5 2.5 1215.3 1248.6 Analysis
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 33 17 2 14 18.0 54.5 38.6 1203.1 1241.8
White 16 10 2 4 11.0 68.8 159.4 1180.5 1339.9
Black 17 7 0 10 7.0 41.2 -75.0 1224.4 1149.4
Standard All 11 4 0 7 4.0 36.4 -115.9 1245.7 1129.8
White 5 3 0 2 3.0 60.0 85.0 1174.7 1259.7
Black 6 1 0 5 1.0 16.7 -283.3 1304.9 1021.5
Rapid All 22 13 2 7 14.0 63.6 115.9 1181.8 1297.7
White 11 7 2 2 8.0 72.7 193.2 1183.2 1376.4
Black 11 6 0 5 6.0 54.5 38.6 1180.5 1219.1
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 71 34 4 33 36.0 50.7 6.0 1203.5 1209.5
White 35 19 3 13 20.5 58.6 72.9 1196.0 1268.8
Black 36 15 1 20 15.5 43.1 -59.0 1210.8 1151.7
Standard All 15 5 0 10 5.0 33.3 -141.7 1242.1 1100.4
White 7 4 0 3 4.0 57.1 60.7 1174.5 1235.2
Black 8 1 0 7 1.0 12.5 -318.8 1301.3 982.5
Rapid All 56 29 4 23 31.0 55.4 45.5 1193.1 1238.7
White 28 15 3 10 16.5 58.9 75.9 1201.3 1277.2
Black 28 14 1 13 14.5 51.8 15.2 1184.9 1200.1
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 2150143116 Tieties, N (Nicola) 5 0.0 0 0 5 0.0 1202.3 -425.0 777.3 View list
2 2160153132 Adonis, G (Gia) 3 3.0 3 0 0 100.0 1187.5 425.0 1612.5 View list
3 2160153135 Fortuin, M (Mia) 3 3.0 3 0 0 100.0 1206.0 425.0 1631.0 View list
4 2150143110 Julies, J (Jazne) 3 2.5 2 1 0 83.3 1204.7 283.3 1488.1 View list
5 2150143102 Arinze, K (Karmelithe) 3 2.0 2 0 1 66.7 1187.5 141.7 1329.1 View list
6 2160153133 Afrika, N (Nazley) 2 2.0 2 0 0 100.0 1201.7 425.0 1626.7 View list
7 2150143111 Karstens, C (Caitline) 2 2.0 2 0 0 100.0 1200.0 425.0 1625.0 View list
8 1150143107 Hough, C (Cj) 2 1.0 0 2 0 50.0 1200.0 0.0 1200.0 View list
9 2140153160 Van Wyk, S (Sheronique) 2 0.0 0 0 2 0.0 1195.3 -425.0 770.3 View list
10 2150308119 Brand, L (Lara) 1 1.0 1 0 0 100.0 1239.1 425.0 1664.1 View list
11 2150139111 Blaauw, C (Charne) 1 1.0 1 0 0 100.0 1207.4 425.0 1632.4 View list
12 2150143103 Beukes, S (Suedine) 1 1.0 1 0 0 100.0 1183.2 425.0 1608.2 View list
13 2160161826 Flores, Z (Zhoe) 1 1.0 1 0 0 100.0 1203.6 425.0 1628.6 View list
14 1170308735 Filander, B (Brooklyn) 1 1.0 1 0 0 100.0 1208.0 425.0 1633.0 View list
15 2160154655 Joubert, S (Sumari) 1 1.0 1 0 0 100.0 1203.6 425.0 1628.6 View list
16 1150147348 Joseph, R (Raphael) 1 1.0 1 0 0 100.0 1218.8 425.0 1643.8 View list
17 2140154604 Johannes, M (Mischka) 1 1.0 1 0 0 100.0 1195.3 425.0 1620.3 View list
18 2150192641 Kersouw, A (Althea) 1 1.0 1 0 0 100.0 1208.0 425.0 1633.0 View list
19 2150157860 Klaase, N (Nizeche) 1 1.0 1 0 0 100.0 1207.4 425.0 1632.4 View list
20 2150143113 Kotze, F (Faith-Lynne) 1 1.0 1 0 0 100.0 1195.3 425.0 1620.3 View list