Player Page

Ahrense, C (Cullen)
Dob: 2013/07/23 (U12)
Gender: Male
Chess SA id: 1130135809
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (33 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 rating1678.0
Current Weighted rating1584.3
Current Weighted performance1647.6
Current official/published rating (highest between Raw, WR and WP)1678.0
Current highest rating achieved1681.8
Current floor (min rating allowed)1181.8
Current K-factor28
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)±83.9
Current Raw change used (final)0.0
Projected new Raw rating1678.0
Projected new Weighed rating1460.4
Projected new Weighted performance1647.6
Projected new final Raw rating (if new WP > new Raw)1678.0
Projected new highest rating1681.8
Projected new floor1181.8
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1678.0
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 rating1674.8
Current Weighted rating1568.3
Current Weighted performance1647.6
Current official/published rating (highest between Raw, WR and WP)1674.8
Current highest rating achieved1677.0
Current floor (min rating allowed)1177.0
Current K-factor28
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)±84.3
Current Raw change used (final)0.0
Projected new Raw rating1674.8
Projected new Weighed rating1446.1
Projected new Weighted performance1647.6
Projected new final Raw rating (if new WP > new Raw)1674.8
Projected new highest rating1677.0
Projected new floor1177.0
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1674.8
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 rating1301.2
Current Weighted rating1301.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1301.2
Current highest rating achieved1301.2
Current floor (min rating allowed)801.2
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)±143.6
Current Raw change used (final)0.0
Projected new Raw rating1301.2
Projected new Weighed rating1197.1
Projected new Weighted performance426.1
Projected new final Raw rating (if new WP > new Raw)1301.2
Projected new highest rating1301.2
Projected new floor801.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1301.2
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
10 Western Cape Top Schools Championship 2024 (U11 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 5.0 1668.7 1666.1 Analysis
9 Eden Top Schools 2024 (U11 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 5 5.0 1647.8 1638.1 Analysis
8 George Primary Top Schools 2024 (U11) 2024/07/20 2024/07/20 Eden (WEG) Standard 60 0.83 5 5 3.5 1656.9 1647.9 Analysis
7 Eden Open 2024 (C) 2024/06/22 2024/06/22 Eden (WEG) Standard 60 0.83 5 5 3.0 1681.8 1677.0 Analysis
6 Western Cape PS Individuals Championship 2024 (U11 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 5.0 1661.2 1662.5 Analysis
5 Eden Chess Trials 2 2024 (U12) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 8.0 1622.2 1614.3 Analysis
4 Eden School Chess Trials 1 2024 (U11 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 5.0 1505.9 1477.8 Analysis
3 George Schools Trials 3 2024 (U11 Boys) 2024/03/02 2024/03/02 Eden District (WEG) Standard 60 0.83 5 5 5.0 1505.9 1477.8 Analysis
2 George Schools Trials 2 2024 (U11 Boys) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 5 3.0 1531.4 1502.4 Analysis
1 George Schools Trials 1 2024 (U11 Boys) 2024/02/03 2024/02/03 Eden District (WEG) Standard 60 0.83 5 5 4.0 1531.4 1502.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
26 Western Cape Top Schools Championship 2024 (U11 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 5.0 1668.7 1666.1 Analysis
25 Eden Top Schools 2024 (U11 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 5 5.0 1647.8 1638.1 Analysis
24 George Primary Top Schools 2024 (U11) 2024/07/20 2024/07/20 Eden (WEG) Standard 60 0.83 5 5 3.5 1656.9 1647.9 Analysis
23 Eden Open 2024 (C) 2024/06/22 2024/06/22 Eden (WEG) Standard 60 0.83 5 5 3.0 1681.8 1677.0 Analysis
22 Western Cape PS Individuals Championship 2024 (U11 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 5.0 1661.2 1662.5 Analysis
21 Eden Chess Trials 2 2024 (U12) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 8.0 1622.2 1614.3 Analysis
20 Eden School Chess Trials 1 2024 (U11 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 5.0 1505.9 1477.8 Analysis
19 George Schools Trials 3 2024 (U11 Boys) 2024/03/02 2024/03/02 Eden District (WEG) Standard 60 0.83 5 5 5.0 1505.9 1477.8 Analysis
18 George Schools Trials 2 2024 (U11 Boys) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 5 3.0 1531.4 1502.4 Analysis
17 George Schools Trials 1 2024 (U11 Boys) 2024/02/03 2024/02/03 Eden District (WEG) Standard 60 0.83 5 5 4.0 1531.4 1502.4 Analysis
16 Western Cape Top Schools 2023 (U11 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 6 5.0 1513.3 1501.3 Analysis
15 Eden Top Schools 2023 (U11 Mix) 2023/08/19 2023/08/19 Eden District (WEG) Standard 60 0.83 5 4 3.5 1496.8 1481.5 Analysis
14 Top Schools 2023 (U11) 2023/07/29 2023/07/29 Eden District (WEG) Standard 60 0.83 5 4 4.0 1461.7 1435.7 Analysis
13 George Chess Trials 3 2023 (U11 Boys) 2023/02/25 2023/02/25 Eden District (WEG) Standard 60 0.83 5 5 2.0 1518.0 1500.7 Analysis
12 George Chess Trials 1 2023 (U11 Boys) 2023/01/28 2023/01/28 Eden District (WEG) Standard 60 0.83 5 4 3.0 1511.1 1471.7 Analysis
11 George Open 2022 (C) 2022/12/03 2022/12/03 Eden District (WEG) Standard 60 0.83 5 5 3.0 1512.7 1465.6 Analysis
10 George-Suid Senior Skaaktoernooi 2022 2022/10/22 2022/10/22 Eden District (WEG) Rapid 20 0.47 5 5 5.0 1487.4 1200.0 Analysis
9 Western Cape Top Schools 2022 (U9 Mix) 2022/09/16 2022/09/17 Overberg (WOS) Standard 60 0.83 5 5 4.5 1410.4 1415.8 Analysis
8 Eden Topskole 2022 (O9 Ope) 2022/08/13 2022/08/13 Eden District (WEG) Standard 60 0.83 6 6 5.0 1365.9 1370.1 Analysis
7 George Topskole 2022 (O9) 2022/07/30 2022/07/30 Eden District (WEG) Standard 60 0.83 5 5 4.0 1339.0 1337.7 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 57 44 5 8 46.5 81.6 268.4 1392.3 1660.7
White 29 23 3 3 24.5 84.5 293.1 1390.4 1683.5
Black 28 21 2 5 22.0 78.6 242.9 1394.3 1637.1
Standard All 57 44 5 8 46.5 81.6 268.4 1392.3 1660.7
White 29 23 3 3 24.5 84.5 293.1 1390.4 1683.5
Black 28 21 2 5 22.0 78.6 242.9 1394.3 1637.1
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 137 100 13 24 106.5 77.7 235.8 1319.5 1555.3
White 70 53 6 11 56.0 80.0 255.0 1312.8 1567.8
Black 67 47 7 13 50.5 75.4 215.7 1326.5 1542.2
Standard All 132 95 13 24 101.5 76.9 228.6 1321.5 1550.1
White 67 50 6 11 53.0 79.1 247.4 1315.7 1563.1
Black 65 45 7 13 48.5 74.6 209.2 1327.5 1536.8
Rapid All 5 5 0 0 5.0 100.0 425.0 1266.4 1691.4
White 3 3 0 0 3.0 100.0 425.0 1248.2 1673.2
Black 2 2 0 0 2.0 100.0 425.0 1293.7 1718.7
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 1130136594 Pentz, J (Jason) 8 7.0 7 0 1 87.5 1417.8 318.8 1736.6 View list
2 1130148062 Marner, B (Bryan Neil) 5 3.5 3 1 1 70.0 1607.2 170.0 1777.2 View list
3 1140136583 Dixon, A (Arlo) 4 3.5 3 1 0 87.5 1249.5 318.8 1568.3 View list
4 1130135830 Simon, R (Riley) 4 2.0 2 0 2 50.0 1542.7 0.0 1542.7 View list
5 2130136965 Pringle, K (Kirsten) 3 3.0 3 0 0 100.0 1476.2 425.0 1901.2 View list
6 1130136600 Steenberg, H (Hendre) 3 3.0 3 0 0 100.0 1458.8 425.0 1883.8 View list
7 1130130747 Moses, D (Domonique) 3 2.5 2 1 0 83.3 1434.8 283.3 1718.2 View list
8 2130134504 Blignaut, DC (Dane Chelsea) 3 1.5 2 1 2 50.0 1490.6 0.0 1490.6 View list
9 1130135426 Moolman, E (Elzevir) 3 1.5 1 1 1 50.0 1334.3 0.0 1334.3 View list
10 1140143848 Barnard, C (Christopher) 2 2.0 2 0 0 100.0 1518.7 425.0 1943.7 View list
11 1130145225 Frans, E (Eldin-Lee) 2 2.0 2 0 0 100.0 1365.9 425.0 1790.9 View list
12 1130137908 Kock, K (Keagon) 2 2.0 2 0 0 100.0 1383.9 425.0 1808.9 View list
13 1130146573 Krynauw, E (Eben) 2 2.0 2 0 0 100.0 1591.0 425.0 2016.0 View list
14 1140144676 Mpuru, J (JK) 2 2.0 2 0 0 100.0 1583.6 425.0 2008.6 View list
15 1130136597 Smith, D (Danie) 2 2.0 2 0 0 100.0 1353.0 425.0 1778.0 View list
16 1130148069 Stevens, J (Jason Adriaan) 2 2.0 2 0 0 100.0 1594.2 425.0 2019.2 View list
17 1140136964 Pringle, A (Alexander) 2 1.5 1 1 0 75.0 1428.3 212.5 1640.8 View list
18 2140151125 Rabie, T (Thilda) 2 1.5 1 1 0 75.0 1635.0 212.5 1847.5 View list
19 2130134504 Blignaut, DC (Dane) 2 1.0 2 1 2 50.0 1639.6 0.0 1639.6 View list
20 1130136586 Fourie, J (Jacques) 2 0.0 0 0 2 0.0 1217.3 -425.0 792.3 View list