Player Page

Claassen, M (Mervin)
Dob: 2010/04/14 (U16)
Gender: Male
Chess SA id: 1100130762
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2024/11/01 (23 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 rating1554.0
Current Weighted rating1508.4
Current Weighted performance1470.1
Current official/published rating (highest between Raw, WR and WP)1554.0
Current highest rating achieved1564.0
Current floor (min rating allowed)1064.0
Current K-factor32
Games played this month7
Score (S)3.5
Expected score (We)4.09
Difference (S-We)-0.17
Current Raw change (no limits, including tournament time weight)-5.5
Current min/max change allowed (with limits)±100.1
Current Raw change used (final)-5.5
Projected new Raw rating1548.5
Projected new Weighed rating1389.5
Projected new Weighted performance1437.9
Projected new final Raw rating (if new WP > new Raw)1548.5
Projected new highest rating1564.0
Projected new floor1064.0
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1548.5
Projected effective change (new Official - current Official)-5.5
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 rating1571.6
Current Weighted rating1528.2
Current Weighted performance1521.7
Current official/published rating (highest between Raw, WR and WP)1571.6
Current highest rating achieved1581.2
Current floor (min rating allowed)1081.2
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)±97.7
Current Raw change used (final)0.0
Projected new Raw rating1571.6
Projected new Weighed rating1408.3
Projected new Weighted performance1521.7
Projected new final Raw rating (if new WP > new Raw)1571.6
Projected new highest rating1581.2
Projected new floor1081.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1571.6
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 rating1234.9
Current Weighted rating1221.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1234.9
Current highest rating achieved1234.9
Current floor (min rating allowed)734.9
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)±157.8
Current Raw change used (final)0.0
Projected new Raw rating1234.9
Projected new Weighed rating1124.4
Projected new Weighted performance720.8
Projected new final Raw rating (if new WP > new Raw)1234.9
Projected new highest rating1234.9
Projected new floor734.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1234.9
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 rating1243.6
Current Weighted rating1138.5
Current Weighted performance1202.9
Current official/published rating (highest between Raw, WR and WP)1243.6
Current highest rating achieved1243.6
Current floor (min rating allowed)743.6
Current K-factor36
Games played this month7
Score (S)3.5
Expected score (We)2.46
Difference (S-We)1.04
Current Raw change (no limits, including tournament time weight)37.4
Current min/max change allowed (with limits)±155.8
Current Raw change used (final)37.4
Projected new Raw rating1281.0
Projected new Weighed rating1047.2
Projected new Weighted performance1320.7
Projected new final Raw rating (if new WP > new Raw)1320.7
Projected new highest rating1320.7
Projected new floor820.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1320.7
Projected effective change (new Official - current Official)+77.1
Tournaments
Tournament: Eden Gambit Chess Tournament 2024 (Blitz)
Start: 2024/11/01  End: 2024/11/01  Host: WEG  Type: Blitz   Time: 10  Time weight: 0.29  Rounds: 7
Games: 7  Score: 3.5
Main rating: 1554.0  Rating gain/loss: -5.5
Type rating: 1243.6  Rating gain/loss: 37.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
9 Eden Gambit Chess Tournament 2024 (Blitz) 2024/11/01 2024/11/01 Eden (WEG) Blitz 10 0.29 7 7 3.5 1554.0 1243.6 Analysis
8 Eden Chess Union League 2024 (1st Division) 2024/10/12 2024/10/12 Eden (WEG) Standard 60 0.83 5 5 3.5 1539.9 1555.9 Analysis
7 InterClub Blitz 4 2024 2024/09/04 2024/09/04 Eden (WEG) Blitz 5 0.18 10 8 7.0 1511.8 1115.1 Analysis
6 Western Cape Top Schools Championship 2024 (U18 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 4.5 1511.8 1532.2 Analysis
5 Eden Top Schools 2024 (U18 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 5 2.0 1547.9 1581.2 Analysis
4 Western Cape - Kings and Queens 2024 (Boys) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 30 0.60 5 4 2.0 1564.0 1214.4 Analysis
3 Eden Chess Trials 2 2024 (U16) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 9.0 1472.9 1472.1 Analysis
2 Western Cape HS Individuals Championship 2024 (U15 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.0 1476.6 1501.5 Analysis
1 Eden School Chess Trials 1 2024 (U15 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 3.0 1476.6 1501.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
30 Eden Gambit Chess Tournament 2024 (Blitz) 2024/11/01 2024/11/01 Eden (WEG) Blitz 10 0.29 7 7 3.5 1554.0 1243.6 Analysis
29 Eden Chess Union League 2024 (1st Division) 2024/10/12 2024/10/12 Eden (WEG) Standard 60 0.83 5 5 3.5 1539.9 1555.9 Analysis
28 InterClub Blitz 4 2024 2024/09/04 2024/09/04 Eden (WEG) Blitz 5 0.18 10 8 7.0 1511.8 1115.1 Analysis
27 Western Cape Top Schools Championship 2024 (U18 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 4.5 1511.8 1532.2 Analysis
26 Eden Top Schools 2024 (U18 Open) 2024/08/17 2024/08/17 Eden (WEG) Standard 60 0.83 5 5 2.0 1547.9 1581.2 Analysis
25 Western Cape - Kings and Queens 2024 (Boys) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 30 0.60 5 4 2.0 1564.0 1214.4 Analysis
24 Eden Chess Trials 2 2024 (U16) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 9.0 1472.9 1472.1 Analysis
23 Western Cape HS Individuals Championship 2024 (U15 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.0 1476.6 1501.5 Analysis
22 Eden School Chess Trials 1 2024 (U15 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 3.0 1476.6 1501.5 Analysis
21 Mossel Bay Open 2023 (B) 2023/09/30 2023/10/01 Eden District (WEG) Standard 90 0.94 6 6 4.5 1469.1 1499.9 Analysis
20 Mossel Bay Open 2023 (Blitz) 2023/09/29 2023/09/29 Eden District (WEG) Blitz 7 0.23 6 6 2.0 1479.5 1105.4 Analysis
19 Inter Club Blitz 1 2023 2023/05/24 2023/05/24 Eden District (WEG) Blitz 5 0.18 10 8 3.0 1444.7 1200.8 Analysis
18 Western Cape PS Individuals 2023 (U13 Boys) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1444.7 1442.0 Analysis
17 Eden Trials 2+3 2023 (U14) 2023/04/15 2023/05/13 Eden District (WEG) Standard 60 0.83 10 10 6.5 1444.7 1442.0 Analysis
16 Heidelberg Big Pumpkin Chess Tournament 2023 (A+B) 2023/04/01 2023/04/01 Eden District (WEG) Standard 60 0.83 5 5 3.0 1441.2 1427.6 Analysis
15 Eden Trails 1 2023 (U13 Boys) 2023/03/11 2023/03/11 Eden District (WEG) Standard 60 0.83 5 5 4.0 1427.7 1408.4 Analysis
14 Mossel Bay Schools Trials 2 2023 (U13 Boys) 2023/02/18 2023/02/18 Eden District (WEG) Standard 60 0.83 5 5 4.0 1413.6 1388.2 Analysis
13 Mossel Bay Schools Trials 1 2023 (U13 Boys) 2023/01/28 2023/01/28 Eden District (WEG) Standard 60 0.83 5 5 4.0 1395.0 1361.6 Analysis
12 Interclub Blitz Evening (Mossel Bay) 2022 2022/10/26 2022/10/26 Eden District (WEG) Blitz 5 0.18 6 6 4.5 1407.8 1186.0 Analysis
11 Mossel Bay Open 2022 (B) 2022/09/30 2022/10/02 Eden District (WEG) Standard 90 0.94 6 6 3.0 1407.8 1380.8 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 56 36 5 15 38.5 68.8 159.4 1388.4 1547.8
White 27 17 3 7 18.5 68.5 157.4 1408.6 1566.0
Black 29 19 2 8 20.0 69.0 161.2 1369.7 1530.9
Standard All 37 24 4 9 26.0 70.3 172.3 1402.9 1575.2
White 18 11 2 5 12.0 66.7 141.7 1416.7 1558.4
Black 19 13 2 4 14.0 73.7 201.3 1389.9 1591.2
Rapid All 4 2 0 2 2.0 50.0 0.0 1382.9 1382.9
White 2 1 0 1 1.0 50.0 0.0 1390.1 1390.1
Black 2 1 0 1 1.0 50.0 0.0 1375.8 1375.8
Blitz All 15 10 1 4 10.5 70.0 170.0 1354.2 1524.2
White 7 5 1 1 5.5 78.6 242.9 1392.9 1635.8
Black 8 5 0 3 5.0 62.5 106.3 1320.2 1426.5
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 176 108 11 57 113.5 64.5 123.2 1341.4 1464.5
White 86 50 7 29 53.5 62.2 103.8 1341.2 1444.9
Black 90 58 4 28 60.0 66.7 141.7 1341.6 1483.3
Standard All 126 83 6 37 86.0 68.3 155.2 1336.4 1491.6
White 62 39 3 20 40.5 65.3 130.2 1334.5 1464.7
Black 64 44 3 17 45.5 71.1 179.3 1338.2 1517.5
Rapid All 9 4 1 4 4.5 50.0 0.0 1467.4 1467.4
White 4 2 0 2 2.0 50.0 0.0 1457.2 1457.2
Black 5 2 1 2 2.5 50.0 0.0 1475.5 1475.5
Blitz All 41 21 4 16 23.0 56.1 51.8 1329.1 1380.9
White 20 9 4 7 11.0 55.0 42.5 1338.7 1381.2
Black 21 12 0 9 12.0 57.1 60.7 1319.9 1380.6
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1100096199 Petersen, S (Shenwin) 5 3.0 3 0 2 60.0 1427.7 85.0 1512.7 View list
2 2120116532 Cornforth, K (Kayleigh) 5 3.0 2 2 1 60.0 1434.8 85.0 1519.8 View list
3 1090130785 Kiewiet, B (B Jay) 5 2.0 2 0 3 40.0 1415.2 -85.0 1330.2 View list
4 1100130764 Claassen, R (Raynier) 5 1.0 1 0 4 20.0 1406.2 -255.0 1151.2 View list
5 1090130795 Nell, C (Cohan) 4 4.0 4 0 0 100.0 1304.0 425.0 1729.0 View list
6 1090130140 Bukula, S (Sivuyisile) 3 2.0 2 0 1 66.7 1520.2 141.7 1661.9 View list
7 109086413 Scholtz, H (Hanko) 3 1.0 1 0 2 33.3 1319.2 -141.7 1177.5 View list
8 1090150037 Hone, R (Ryan) 3 0.0 0 0 3 0.0 1454.1 -425.0 1029.1 View list
9 1860140606 Nortje, P (Pieter) 3 0.0 0 0 3 0.0 1470.5 -425.0 1045.5 View list
10 1090110344 Adams, L (Lincoln) 2 2.0 2 0 0 100.0 1366.6 425.0 1791.6 View list
11 1110102781 Adams, J (Jay-D) 2 2.0 2 0 0 100.0 1511.8 425.0 1936.8 View list
12 105091180 Barends, X (Xavier) 2 2.0 2 0 0 100.0 1470.5 425.0 1895.5 View list
13 1070140088 Gilbert, C (Calray) 2 2.0 2 0 0 100.0 1511.8 425.0 1936.8 View list
14 2860310840 Marner, E (Elizane) 2 2.0 2 0 0 100.0 1511.8 425.0 1936.8 View list
15 107075213 Miggels, A (Alaric) 2 2.0 2 0 0 100.0 1444.7 425.0 1869.7 View list
16 110078333 Neethling, S (Sean) 2 2.0 2 0 0 100.0 1496.5 425.0 1921.5 View list
17 1080097029 Reynolds, E (Erwee) 2 2.0 2 0 0 100.0 1474.3 425.0 1899.3 View list
18 1100131122 Stamrood, K (Kyle) 2 2.0 2 0 0 100.0 1452.2 425.0 1877.2 View list
19 103086130 Thoresen, K (Kyle) 2 2.0 2 0 0 100.0 1407.8 425.0 1832.8 View list
20 1000142296 Ceasar, K (Kevin) 2 1.0 1 0 1 50.0 1470.5 0.0 1470.5 View list