Player Page

Van Der Merwe, O (Oliver)
Dob: 2015/09/12 (U10)
Gender: Male
Chess SA id: 1150136957
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 rating1560.2
Current Weighted rating1432.4
Current Weighted performance1556.6
Current official/published rating (highest between Raw, WR and WP)1560.2
Current highest rating achieved1560.2
Current floor (min rating allowed)1060.2
Current K-factor32
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)±99.3
Current Raw change used (final)0.0
Projected new Raw rating1560.2
Projected new Weighed rating1320.6
Projected new Weighted performance1556.6
Projected new final Raw rating (if new WP > new Raw)1560.2
Projected new highest rating1560.2
Projected new floor1060.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1560.2
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 rating1564.1
Current Weighted rating1423.8
Current Weighted performance1556.6
Current official/published rating (highest between Raw, WR and WP)1564.1
Current highest rating achieved1564.1
Current floor (min rating allowed)1064.1
Current K-factor32
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)±98.7
Current Raw change used (final)0.0
Projected new Raw rating1564.1
Projected new Weighed rating1312.5
Projected new Weighted performance1556.6
Projected new final Raw rating (if new WP > new Raw)1564.1
Projected new highest rating1564.1
Projected new floor1064.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1564.1
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 rating1230.0
Current Weighted rating1224.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1230.0
Current highest rating achieved1230.0
Current floor (min rating allowed)730.0
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)±158.9
Current Raw change used (final)0.0
Projected new Raw rating1230.0
Projected new Weighed rating1127.1
Projected new Weighted performance408.4
Projected new final Raw rating (if new WP > new Raw)1230.0
Projected new highest rating1230.0
Projected new floor730.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1230.0
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 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
9 Western Cape Top Schools Championship 2024 (U9 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 6.0 1536.0 1534.0 Analysis
8 Eden Top Schools 2024 (U9 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 5 5.0 1524.6 1519.3 Analysis
7 George Primary Top Schools 2024 (U9) 2024/07/20 2024/07/20 Eden (WEG) Standard 60 0.83 5 5 5.0 1501.5 1489.5 Analysis
6 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 4.0 1518.8 1526.0 Analysis
5 Eden Chess Trials 2 2024 (U10) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 7.0 1505.8 1511.0 Analysis
4 Eden School Chess Trials 1 2024 (U9 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 4.0 1385.4 1385.9 Analysis
3 George Schools Trials 3 2024 (U9 Boys) 2024/03/02 2024/03/02 Eden District (WEG) Standard 60 0.83 5 5 4.0 1385.4 1385.9 Analysis
2 George Schools Trials 2 2024 (U9 Boys) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 5 4.0 1313.2 1287.0 Analysis
1 George Schools Trials 1 2024 (U9 Boys) 2024/02/03 2024/02/03 Eden District (WEG) Standard 60 0.83 5 5 5.0 1313.2 1287.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
29 Western Cape Top Schools Championship 2024 (U9 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 6.0 1536.0 1534.0 Analysis
28 Eden Top Schools 2024 (U9 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 5 5.0 1524.6 1519.3 Analysis
27 George Primary Top Schools 2024 (U9) 2024/07/20 2024/07/20 Eden (WEG) Standard 60 0.83 5 5 5.0 1501.5 1489.5 Analysis
26 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 4.0 1518.8 1526.0 Analysis
25 Eden Chess Trials 2 2024 (U10) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 7.0 1505.8 1511.0 Analysis
24 Eden School Chess Trials 1 2024 (U9 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 4.0 1385.4 1385.9 Analysis
23 George Schools Trials 3 2024 (U9 Boys) 2024/03/02 2024/03/02 Eden District (WEG) Standard 60 0.83 5 5 4.0 1385.4 1385.9 Analysis
22 George Schools Trials 2 2024 (U9 Boys) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 5 4.0 1313.2 1287.0 Analysis
21 George Schools Trials 1 2024 (U9 Boys) 2024/02/03 2024/02/03 Eden District (WEG) Standard 60 0.83 5 5 5.0 1313.2 1287.0 Analysis
20 Eden Chess Union League 2023 (2nd Division) 2023/11/11 2023/11/11 Eden District (WEG) Standard 60 0.83 5 4 2.0 1311.6 1280.0 Analysis
19 Mossel Bay Open 2023 (C) 2023/09/30 2023/09/30 Eden District (WEG) Rapid 30 0.60 5 5 3.0 1396.1 1200.0 Analysis
18 Western Cape Top Schools 2023 (U9 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 5 0.0 1396.1 1388.8 Analysis
17 Eden Top Schools 2023 (U9 Mix) 2023/08/19 2023/08/19 Eden District (WEG) Standard 60 0.83 5 4 3.0 1405.7 1405.8 Analysis
16 CW Top Schools 2023 (U10) 2023/08/12 2023/08/12 West Coast (WCU) Standard 60 0.83 5 5 3.0 1405.7 1405.8 Analysis
15 Top Schools 2023 (U9) 2023/07/29 2023/07/29 Eden District (WEG) Standard 60 0.83 5 4 3.0 1401.5 1401.3 Analysis
14 George Chess Club Winter Open 2023 (D) 2023/05/20 2023/05/20 Eden District (WEG) Standard 60 0.83 5 5 3.5 1368.9 1371.4 Analysis
13 Western Cape PS Individuals 2023 (U9 Boys) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1368.9 1371.4 Analysis
12 Eden Trials 2+3 2023 (U10) 2023/04/15 2023/05/13 Eden District (WEG) Standard 60 0.83 10 10 7.0 1368.9 1371.4 Analysis
11 Eden Trails 1 2023 (U9 Boys) 2023/03/11 2023/03/11 Eden District (WEG) Standard 60 0.83 5 5 3.0 1362.3 1364.9 Analysis
10 George Chess Trials 3 2023 (U9 Boys) 2023/02/25 2023/02/25 Eden District (WEG) Standard 60 0.83 5 5 3.0 1305.2 1303.9 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 52 43 2 7 44.0 84.6 294.2 1259.9 1554.1
White 24 20 1 3 20.5 85.4 301.0 1249.8 1550.9
Black 28 23 1 4 23.5 83.9 288.4 1268.5 1556.9
Standard All 52 43 2 7 44.0 84.6 294.2 1259.9 1554.1
White 24 20 1 3 20.5 85.4 301.0 1249.8 1550.9
Black 28 23 1 4 23.5 83.9 288.4 1268.5 1556.9
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 153 98 9 46 102.5 67.0 144.4 1255.2 1399.7
White 77 46 5 26 48.5 63.0 110.4 1265.1 1375.5
Black 76 52 4 20 54.0 71.1 178.9 1245.3 1424.2
Standard All 148 95 9 44 99.5 67.2 146.5 1253.1 1399.6
White 75 45 5 25 47.5 63.3 113.3 1262.2 1375.6
Black 73 50 4 19 52.0 71.2 180.5 1243.8 1424.2
Rapid All 5 3 0 2 3.0 60.0 85.0 1317.9 1402.9
White 2 1 0 1 1.0 50.0 0.0 1370.8 1370.8
Black 3 2 0 1 2.0 66.7 141.7 1282.6 1424.3
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 1150136955 Pfaff, J (Joel) 8 3.5 3 1 4 43.8 1264.8 -53.1 1211.7 View list
2 1140136596 Punt, C (Christiaan Rufus) 5 2.5 2 1 2 50.0 1375.5 0.0 1375.5 View list
3 1150149949 Oberholzer, M (Milan) 4 4.0 4 0 0 100.0 1377.4 425.0 1802.4 View list
4 1140136587 Fourie, J (John) 4 2.5 2 1 1 62.5 1340.5 106.3 1446.7 View list
5 1150136953 James, W (William) 4 2.5 2 1 1 62.5 1213.8 106.3 1320.1 View list
6 1150144675 Fritz, U (Ulysse) 4 1.5 1 1 2 37.5 1397.5 -106.3 1291.2 View list
7 1150136954 Mccabe, T (Thomas) 4 1.5 1 1 2 37.5 1183.0 -106.3 1076.8 View list
8 1160148063 Marner, L (Loannes) 3 3.0 3 0 0 100.0 1403.1 425.0 1828.1 View list
9 1150149951 Pieterse, A (Andre) 3 3.0 3 0 0 100.0 1455.3 425.0 1880.3 View list
10 1150136956 Schimdt, S (Streicher) 3 0.5 0 1 2 16.7 1183.4 -283.3 900.1 View list
11 2150156961 Coleman, G (Gabriella) 2 2.0 2 0 0 100.0 1437.3 425.0 1862.3 View list
12 1140144672 Brewis, F (Fox) 2 2.0 2 0 0 100.0 1337.1 425.0 1762.1 View list
13 1160162391 Odendaal, D (Daniel) 2 2.0 2 0 0 100.0 1390.8 425.0 1815.8 View list
14 1150139119 Steenkamp, W (Willem) 2 2.0 2 0 0 100.0 1350.3 425.0 1775.3 View list
15 1160148815 Strydom, L (Liam) 2 2.0 2 0 0 100.0 1313.2 425.0 1738.2 View list
16 2150146763 Tieties, L (Lilanie) 2 2.0 2 0 0 100.0 1205.6 425.0 1630.6 View list
17 1160149945 Van Den Berg, T (Teagan) 2 2.0 2 0 0 100.0 1409.5 425.0 1834.5 View list
18 1160161828 Venter, A (Aron) 2 2.0 2 0 0 100.0 1407.3 425.0 1832.3 View list
19 1150151115 Verster, J (Juan Marais) 2 2.0 2 0 0 100.0 1445.6 425.0 1870.6 View list
20 2160137731 Williams, M (Mackenzy) 2 2.0 2 0 0 100.0 1205.6 425.0 1630.6 View list