Player Page

Van Der Walt, J (Jacobus Harm)
Dob: 1963/03/19 (Adult)
Gender: Male
Chess SA id: 1630300184
FIDE id:
Region: Dr Kenneth Kaunda (NWP)
Citizen: RSA
Title(s):
Last active: 2024/06/08 (18 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 rating1249.1
Current Weighted rating1211.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1249.1
Current highest rating achieved1249.1
Current floor (min rating allowed)749.1
Current K-factor36
Games played this month4
Score (S)0.5
Expected score (We)1.49
Difference (S-We)-0.82
Current Raw change (no limits, including tournament time weight)-29.6
Current min/max change allowed (with limits)±154.6
Current Raw change used (final)-29.6
Projected new Raw rating1219.5
Projected new Weighed rating1114.8
Projected new Weighted performance718.3
Projected new final Raw rating (if new WP > new Raw)1219.5
Projected new highest rating1249.1
Projected new floor749.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1219.5
Projected effective change (new Official - current Official)-29.6
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 rating1256.4
Current Weighted rating1213.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1256.4
Current highest rating achieved1256.4
Current floor (min rating allowed)756.4
Current K-factor36
Games played this month4
Score (S)0.5
Expected score (We)1.53
Difference (S-We)-1.03
Current Raw change (no limits, including tournament time weight)-37.1
Current min/max change allowed (with limits)±153.0
Current Raw change used (final)-37.1
Projected new Raw rating1219.3
Projected new Weighed rating1116.4
Projected new Weighted performance718.3
Projected new final Raw rating (if new WP > new Raw)1219.3
Projected new highest rating1256.4
Projected new floor756.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1219.3
Projected effective change (new Official - current Official)-37.1
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
Tournament: DR KKD Saamtrek 2024 (Open)
Start: 2024/06/08  End: 2024/06/08  Host: NWP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 4
Games: 4  Score: 0.5
Main rating: 1249.1  Rating gain/loss: -29.6
Type rating: 1256.4  Rating gain/loss: -37.1
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 DR KKD Saamtrek 2024 (Open) 2024/06/08 2024/06/08 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 0.5 1249.1 1256.4 Analysis
1 DR KKD Ferdies Mar 2024 (B) 2024/03/02 2024/03/02 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 DR KKD Saamtrek 2024 (Open) 2024/06/08 2024/06/08 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 0.5 1249.1 1256.4 Analysis
1 DR KKD Ferdies Mar 2024 (B) 2024/03/02 2024/03/02 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 9 3 2 4 4.0 44.4 -47.2 1320.4 1273.2
White 5 2 1 2 2.5 50.0 0.0 1313.1 1313.1
Black 4 1 1 2 1.5 37.5 -106.3 1329.6 1223.3
Standard All 9 3 2 4 4.0 44.4 -47.2 1320.4 1273.2
White 5 2 1 2 2.5 50.0 0.0 1313.1 1313.1
Black 4 1 1 2 1.5 37.5 -106.3 1329.6 1223.3
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 9 3 2 4 4.0 44.4 -47.2 1320.4 1273.2
White 5 2 1 2 2.5 50.0 0.0 1313.1 1313.1
Black 4 1 1 2 1.5 37.5 -106.3 1329.6 1223.3
Standard All 9 3 2 4 4.0 44.4 -47.2 1320.4 1273.2
White 5 2 1 2 2.5 50.0 0.0 1313.1 1313.1
Black 4 1 1 2 1.5 37.5 -106.3 1329.6 1223.3
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2050152127 Montwedi, Z (Zenzi) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 109064023 Fouche, H (Heinrich) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 207052763 Ellis, CE (Catherine) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1060097234 Shole, B (Boitshepo) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
5 1660300185 Venter, H (Henk) 1 0.5 0 1 0 50.0 1249.1 0.0 1249.1 View list
6 100039902 Van Heerden, DM (Diego) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 1100107186 Stols, N (Nathan) 1 0.0 0 0 1 0.0 1249.1 -425.0 824.1 View list
8 105091969 Siyanda, M (Mahlalele) 1 0.0 0 0 1 0.0 1249.1 -425.0 824.1 View list
9 1940106075 Choeu, K (Kagisho) 1 0.0 0 0 1 0.0 1249.1 -425.0 824.1 View list