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: 2024/05/05 (14 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 rating1518.8
Curent Weighted rating1368.1
Curent Weighted performance1506.6
Current official/published rating (highest between Raw, WR and WP)1518.8
Current floor (min rating allowed)1018.8
Current highest rating achieved1518.8
Current K-factor32
Games played this month6
Score (S)4.0
Expected score (We)4.65
Difference (S-We)-0.65
Current Raw change (no limits, including tournament time weight)-17.3
Current min/max change allowed (with limits)±105.3
Current Raw change used (final)-17.3
Projected new Raw rating1501.5
Projected new Weighed rating1381.1
Projected new Weighted performance1506.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1506.6
Projected effective change (new Official - current Official)-12.2
Projected new highest rating1518.8
Projected new floor1018.8
Projected new K-facor32
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 rating1526.0
Curent Weighted rating1358.8
Curent Weighted performance1511.8
Current official/published rating (highest between Raw, WR and WP)1526.0
Current floor (min rating allowed)1026.0
Current highest rating achieved1526.0
Current K-factor32
Games played this month6
Score (S)4.0
Expected score (We)5.14
Difference (S-We)-1.14
Current Raw change (no limits, including tournament time weight)-36.5
Current min/max change allowed (with limits)±104.2
Current Raw change used (final)-36.5
Projected new Raw rating1489.5
Projected new Weighed rating1371.3
Projected new Weighted performance1511.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1511.8
Projected effective change (new Official - current Official)-14.2
Projected new highest rating1526.0
Projected new floor1026.0
Projected new K-facor32
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 rating1230.0
Curent Weighted rating1218.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1230.0
Current floor (min rating allowed)730.0
Current highest rating achieved1230.0
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 rating1219.5
Projected new Weighted performance0.0
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
Projected new highest rating1230.0
Projected new floor730.0
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)730.0
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 floor730.0
Projected new K-facor36
Tournaments
Tournament: Western Cape PS Individuals Championship 2024 (U9 Boys)
Start: 2024/05/04  End: 2024/05/05  Host: WCU  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 6
Games: 6  Score: 4.0
Main rating: 1518.8  Rating gain/loss: -17.3
Type rating: 1526.0  Rating gain/loss: -36.5
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
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
9 George Chess Trials 2 2023 (U9 Boys) 2023/02/11 2023/02/11 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1305.2 1303.9 Analysis
8 George Chess Trials 1 2023 (U9 Boys) 2023/01/28 2023/01/28 Eden District (WEG) Standard 60 0.83 5 5 2.5 1325.5 1328.4 Analysis
7 George Open 2022 (D) 2022/12/03 2022/12/03 Eden District (WEG) Standard 60 0.83 5 5 3.0 1302.9 1303.1 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 36 27 2 7 28.0 77.8 236.1 1284.9 1521.0
White 16 12 1 3 12.5 78.1 239.1 1269.3 1508.4
Black 20 15 1 4 15.5 77.5 233.8 1297.4 1531.1
Standard All 36 27 2 7 28.0 77.8 236.1 1284.9 1521.0
White 16 12 1 3 12.5 78.1 239.1 1269.3 1508.4
Black 20 15 1 4 15.5 77.5 233.8 1297.4 1531.1
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 82 9 46 86.5 63.1 111.7 1261.3 1372.9
White 69 38 5 26 40.5 58.7 73.9 1271.4 1345.3
Black 68 44 4 20 46.0 67.6 150.0 1251.0 1401.0
Standard All 132 79 9 44 83.5 63.3 112.7 1259.1 1371.8
White 67 37 5 25 39.5 59.0 76.1 1268.4 1344.5
Black 65 42 4 19 44.0 67.7 150.4 1249.6 1400.0
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 1264.9 -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 1150136956 Schimdt, S (Streicher) 3 0.5 0 1 2 16.7 1183.4 -283.3 900.1 View list
9 2150156961 Coleman, G (Gabriella) 2 2.0 2 0 0 100.0 1437.3 425.0 1862.3 View list
10 1140144672 Brewis, F (Fox) 2 2.0 2 0 0 100.0 1337.1 425.0 1762.1 View list
11 1160148063 Marner, L (Loannes) 2 2.0 2 0 0 100.0 1353.8 425.0 1778.8 View list
12 1160162391 Odendaal, D (Daniel) 2 2.0 2 0 0 100.0 1390.8 425.0 1815.8 View list
13 1150139119 Steenkamp, W (Willem) 2 2.0 2 0 0 100.0 1350.3 425.0 1775.3 View list
14 1160148815 Strydom, L (Liam) 2 2.0 2 0 0 100.0 1313.2 425.0 1738.2 View list
15 2150146763 Tieties, L (Lilanie) 2 2.0 2 0 0 100.0 1205.6 425.0 1630.6 View list
16 1160149945 Van Den Berg, T (Teagan) 2 2.0 2 0 0 100.0 1409.5 425.0 1834.5 View list
17 1150151115 Verster, J (Juan Marais) 2 2.0 2 0 0 100.0 1445.6 425.0 1870.6 View list
18 2160137731 Williams, M (Mackenzy) 2 2.0 2 0 0 100.0 1205.6 425.0 1630.6 View list
19 1150192964 Stoffels, C (Connor) 2 1.0 1 0 1 50.0 1385.4 0.0 1385.4 View list
20 1150137315 Thomson, M (Matthew) 2 1.0 1 0 1 50.0 1350.3 0.0 1350.3 View list