Player Page

Opperman, M (Matthew)
Dob: 2008/05/16 (U18)
Gender: Male
Chess SA id: 108077754
FIDE id: Opperman
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/03/24 (31 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 rating1502.8
Curent Weighted rating1527.3
Curent Weighted performance1428.5
Current official/published rating (highest between Raw, WR and WP)1527.3
Current floor (min rating allowed)1065.2
Current highest rating achieved1565.2
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)±107.7
Current Raw change used (final)0.0
Projected new Raw rating1502.8
Projected new Weighed rating1526.6
Projected new Weighted performance1428.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1526.6
Projected effective change (new Official - current Official)-0.7
Projected new highest rating1565.2
Projected new floor1065.2
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 rating1452.6
Curent Weighted rating1493.3
Curent Weighted performance1360.0
Current official/published rating (highest between Raw, WR and WP)1493.3
Current floor (min rating allowed)1041.2
Current highest rating achieved1541.2
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)±115.7
Current Raw change used (final)0.0
Projected new Raw rating1452.6
Projected new Weighed rating1491.1
Projected new Weighted performance1360.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1491.1
Projected effective change (new Official - current Official)-2.3
Projected new highest rating1541.2
Projected new floor1041.2
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 rating1513.1
Curent Weighted rating1446.2
Curent Weighted performance1462.8
Current official/published rating (highest between Raw, WR and WP)1513.1
Current floor (min rating allowed)1013.1
Current highest rating achieved1513.1
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)±106.1
Current Raw change used (final)0.0
Projected new Raw rating1513.1
Projected new Weighed rating1454.5
Projected new Weighted performance1462.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1513.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1513.1
Projected new floor1013.1
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 rating998.0
Curent Weighted rating998.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)998.0
Current floor (min rating allowed)1013.1
Current highest rating achieved998.0
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)±221.1
Current Raw change used (final)0.0
Projected new Raw rating998.0
Projected new Weighed rating998.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)998.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating998.0
Projected new floor1013.1
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Western Cape Inter Region Cup 2024 (U20 Boys) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 2.0 1555.7 1499.3 Analysis
3 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 3.0 1555.7 1499.3 Analysis
2 West Coast Schools Chess Prestige Championships 2024 (U18+U20 Boys) 2024/02/24 2024/02/24 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1529.4 1455.2 Analysis
1 Lower West Coast Schools Chess Prestige 2024 (U18 Boys) 2024/02/17 2024/02/17 West Coast (WCU) Rapid 30 0.60 5 5 5.0 1529.4 1455.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
51 Western Cape Inter Region Cup 2024 (U20 Boys) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 2.0 1555.7 1499.3 Analysis
50 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 3.0 1555.7 1499.3 Analysis
49 West Coast Schools Chess Prestige Championships 2024 (U18+U20 Boys) 2024/02/24 2024/02/24 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1529.4 1455.2 Analysis
48 Lower West Coast Schools Chess Prestige 2024 (U18 Boys) 2024/02/17 2024/02/17 West Coast (WCU) Rapid 30 0.60 5 5 5.0 1529.4 1455.2 Analysis
47 2023 Western Cape Rural Cup (U16) 2023/12/09 2023/12/10 Cape Winelands (WCW) Standard 60 0.83 5 3 1.5 1536.8 1507.6 Analysis
46 Western Cape Top Schools 2023 (U18 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 6 3.0 1549.0 1525.2 Analysis
45 CW Top Schools 2023 (Advanced) 2023/08/11 2023/08/13 West Coast (WCU) Standard 90 0.94 6 6 3.0 1565.2 1541.2 Analysis
44 Pedro Booyse Top Schools 2023 (High School) 2023/07/29 2023/07/29 West Coast (WCU) Standard 60 0.83 5 5 5.0 1546.9 1518.8 Analysis
43 Lower West Coast Top Schools Championships 2023 (High School) 2023/06/10 2023/06/10 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1551.5 1457.8 Analysis
42 Western Cape HS Individuals 2023 (U15 Boys) 2023/04/01 2023/04/02 Cape Town (WCT) Standard 60 0.83 6 6 4.5 1521.2 1470.5 Analysis
41 West Coast High School Championships 2023 (U15 Boys) 2023/02/18 2023/02/18 West Coast (WCU) Standard 60 0.83 6 6 5.0 1480.1 1446.8 Analysis
40 Lower West Coast High Schools Prestige 2023 (U15 Boys) 2023/02/11 2023/02/11 West Coast (WCU) Rapid 30 0.60 5 5 5.0 1480.1 1346.8 Analysis
39 Genesis Chess Club Open 2023 (A) 2023/02/04 2023/02/04 West Coast (WCU) Rapid 30 0.60 5 5 2.5 1480.1 1346.8 Analysis
38 West Coast Schools Chess Grand Challenge 2022 (HS Super) 2022/10/29 2022/10/29 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1467.2 1311.2 Analysis
37 Western Cape Top Schools 2022 (U15 Mix) 2022/09/16 2022/09/17 Overberg (WOS) Standard 60 0.83 5 5 4.0 1471.8 1462.5 Analysis
36 Western Cape Woman`s Championship 2022 (Open) 2022/09/02 2022/09/04 West Coast (WCU) Standard 90 0.94 5 5 3.0 1471.8 1462.5 Analysis
35 Pedro Booyse Top Schools 2022 (U15 Open) 2022/07/23 2022/07/23 West Coast (WCU) Standard 60 0.83 6 4 4.0 1429.9 1426.7 Analysis
34 South African Open 2022 (U16) 2022/07/11 2022/07/13 Cape Town (WCT) Standard 90 0.94 6 5 3.0 1429.9 1426.7 Analysis
33 Curro Durbanville Chess Open Rapid 2022 (U16) 2022/07/02 2022/07/02 Cape Town (WCT) Rapid 25 0.54 7 5 4.0 1429.9 1263.0 Analysis
32 Onder-Weskus Top Skole 2022 (Hoerskool) 2022/06/04 2022/06/04 West Coast (WCU) Rapid 30 0.60 5 4 2.0 1441.8 1268.8 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 21 14 0 7 14.0 66.7 141.7 1373.9 1515.5
White 9 5 0 4 5.0 55.6 47.2 1415.5 1462.8
Black 12 9 0 3 9.0 75.0 212.5 1342.6 1555.1
Standard All 11 5 0 6 5.0 45.5 -38.6 1445.3 1406.7
White 5 2 0 3 2.0 40.0 -85.0 1444.1 1359.1
Black 6 3 0 3 3.0 50.0 0.0 1446.3 1446.3
Rapid All 10 9 0 1 9.0 90.0 340.0 1295.3 1635.3
White 4 3 0 1 3.0 75.0 212.5 1379.8 1592.3
Black 6 6 0 0 6.0 100.0 425.0 1238.9 1663.9
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 290 193 18 79 202.0 69.7 167.1 1248.3 1415.4
White 142 93 9 40 97.5 68.7 158.6 1269.8 1428.4
Black 148 100 9 39 104.5 70.6 175.2 1227.6 1402.8
Standard All 187 120 14 53 127.0 67.9 152.3 1229.8 1382.1
White 91 56 9 26 60.5 66.5 140.1 1255.1 1395.2
Black 96 64 5 27 66.5 69.3 163.8 1205.8 1369.6
Rapid All 98 69 4 25 71.0 72.4 190.8 1296.4 1487.2
White 48 34 0 14 34.0 70.8 177.1 1308.7 1485.8
Black 50 35 4 11 37.0 74.0 204.0 1284.6 1488.6
Blitz All 5 4 0 1 4.0 80.0 255.0 997.4 1252.4
White 3 3 0 0 3.0 100.0 425.0 1093.9 1518.9
Black 2 1 0 1 1.0 50.0 0.0 852.6 852.6
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 108090548 Lewaks, S (Shaundre) 9 5.0 5 0 4 55.6 1359.4 47.2 1406.6 View list
2 1080096247 Titus, D (Dominique) 7 3.5 3 1 3 50.0 1271.6 0.0 1271.6 View list
3 107087110 Du Plessis, S (Stefan) 6 5.0 5 0 1 83.3 1487.2 283.3 1770.5 View list
4 109090543 Visagie, C (Christopher) 5 2.0 2 0 3 40.0 1395.7 -85.0 1310.7 View list
5 109093484 Duiker, P (Phillip) 4 4.0 4 0 0 100.0 1500.6 425.0 1925.6 View list
6 1090096256 Ocks, K (Keano) 4 4.0 4 0 0 100.0 1340.7 425.0 1765.7 View list
7 1090096311 Schroeder, L (Liam) 4 2.5 2 1 1 62.5 1500.6 106.3 1606.8 View list
8 108083939 Rosenberg, W (Wagheed) 4 2.0 2 0 2 50.0 1398.6 0.0 1398.6 View list
9 1080105922 Basson, Z (Zanco) 3 3.0 3 0 0 100.0 1335.7 425.0 1760.7 View list
10 107078598 Cloete, A (Alesundro) 3 3.0 3 0 0 100.0 1443.9 425.0 1868.9 View list
11 1080117544 Domingo, C (Curwin) 3 3.0 3 0 0 100.0 1536.8 425.0 1961.8 View list
12 1090105088 Williams, C (Clarance-John) 3 3.0 3 0 0 100.0 1523.4 425.0 1948.4 View list
13 1080108614 Wu, J (Jason) 3 2.5 2 1 0 83.3 1494.6 283.3 1777.9 View list
14 1070110603 Bell, N (Neyo) 2 2.0 2 0 0 100.0 1429.9 425.0 1854.9 View list
15 1090117535 Coetzee, E (Enrico) 2 2.0 2 0 0 100.0 1402.2 425.0 1827.2 View list
16 109087219 Crone, C (Callan) 2 2.0 2 0 0 100.0 1019.7 425.0 1444.7 View list
17 1090096276 De Klerk, J (Jason) 2 2.0 2 0 0 100.0 1238.8 425.0 1663.8 View list
18 1080110109 Domingo, C (Cowan) 2 2.0 2 0 0 100.0 1343.0 425.0 1768.0 View list
19 1090099730 Drennen, L (Liam) 2 2.0 2 0 0 100.0 1513.7 425.0 1938.7 View list
20 109093559 Kameel, L (Lindon) 2 2.0 2 0 0 100.0 1410.8 425.0 1835.8 View list