Player Page

Ackerman, M (Mervin)
Dob: 2006/04/30 (U20)
Gender: Male
Chess SA id: 1060300368
FIDE id:
Region: Sarah Baartman (ESB)
Citizen: RSA
Title(s):
Last active: 2024/05/10 (10 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 rating1080.7
Curent Weighted rating1181.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1181.3
Current floor (min rating allowed)580.7
Current highest rating achieved1080.7
Current K-factor40
Games played this month5
Score (S)2.0
Expected score (We)2.03
Difference (S-We)-0.03
Current Raw change (no limits, including tournament time weight)-0.8
Current min/max change allowed (with limits)±196.5
Current Raw change used (final)-0.8
Projected new Raw rating1079.9
Projected new Weighed rating1172.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1172.5
Projected effective change (new Official - current Official)-8.8
Projected new highest rating1080.7
Projected new floor580.7
Projected new K-facor40
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 rating1050.8
Curent Weighted rating1176.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1176.6
Current floor (min rating allowed)550.8
Current highest rating achieved1050.8
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)±205.1
Current Raw change used (final)0.0
Projected new Raw rating1050.8
Projected new Weighed rating1165.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1165.7
Projected effective change (new Official - current Official)-10.9
Projected new highest rating1050.8
Projected new floor550.8
Projected new K-facor40
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)700.0
Current highest rating achieved0.0
Current K-factor40
Games played this month5
Score (S)2.0
Expected score (We)2.71
Difference (S-We)-0.71
Current Raw change (no limits, including tournament time weight)-28.4
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)-28.4
Projected new Raw rating1171.6
Projected new Weighed rating1197.7
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1197.7
Projected effective change (new Official - current Official)-2.3
Projected new highest rating1171.6
Projected new floor671.6
Projected new K-facor40
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)700.0
Current highest rating achieved0.0
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 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 rating0.0
Projected new floor700.0
Projected new K-facor40
Tournaments
Tournament: Humansdorp CMC Schools Trials 2024 (U19 Boys)
Start: 2024/05/10  End: 2024/05/10  Host: ESB  Type: Rapid   Time: 32  Time weight: 0.63  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1080.7  Rating gain/loss: -0.8
Type rating: 1200.0  Rating gain/loss: -28.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Humansdorp CMC Schools Trials 2024 (U19 Boys) 2024/05/10 2024/05/10 Sarah Baartman (ESB) Rapid 32 0.63 6 5 2.0 1080.7 1200.0 Analysis
3 Kouga Mayor's Cup Final 2024 (Open) 2024/04/12 2024/04/13 Sarah Baartman (ESB) Standard 62 0.84 5 0 0.0 1080.7 1050.8 Analysis
2 SBDCU Trial 2 2024 (Open) 2024/03/23 2024/03/23 Sarah Baartman (ESB) Standard 62 0.84 5 5 1.0 1200.0 1200.0 Analysis
1 Kouga Mayor's Cup 2024 (Open) 2024/03/08 2024/03/09 Sarah Baartman (ESB) Standard 62 0.84 6 5 0.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Humansdorp CMC Schools Trials 2024 (U19 Boys) 2024/05/10 2024/05/10 Sarah Baartman (ESB) Rapid 32 0.63 6 5 2.0 1080.7 1200.0 Analysis
3 Kouga Mayor's Cup Final 2024 (Open) 2024/04/12 2024/04/13 Sarah Baartman (ESB) Standard 62 0.84 5 0 0.0 1080.7 1050.8 Analysis
2 SBDCU Trial 2 2024 (Open) 2024/03/23 2024/03/23 Sarah Baartman (ESB) Standard 62 0.84 5 5 1.0 1200.0 1200.0 Analysis
1 Kouga Mayor's Cup 2024 (Open) 2024/03/08 2024/03/09 Sarah Baartman (ESB) Standard 62 0.84 6 5 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 3 0 12 3.0 20.0 -255.0 1210.1 955.1
White 7 1 0 6 1.0 14.3 -303.6 1206.0 902.4
Black 8 2 0 6 2.0 25.0 -212.5 1213.7 1001.2
Standard All 10 1 0 9 1.0 10.0 -340.0 1237.7 897.7
White 5 1 0 4 1.0 20.0 -255.0 1229.2 974.2
Black 5 0 0 5 0.0 0.0 -425.0 1246.1 821.1
Rapid All 5 2 0 3 2.0 40.0 -85.0 1155.0 1070.0
White 2 0 0 2 0.0 0.0 -425.0 1148.0 723.0
Black 3 2 0 1 2.0 66.7 141.7 1159.7 1301.4
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 15 3 0 12 3.0 20.0 -255.0 1210.1 955.1
White 7 1 0 6 1.0 14.3 -303.6 1206.0 902.4
Black 8 2 0 6 2.0 25.0 -212.5 1213.7 1001.2
Standard All 10 1 0 9 1.0 10.0 -340.0 1237.7 897.7
White 5 1 0 4 1.0 20.0 -255.0 1229.2 974.2
Black 5 0 0 5 0.0 0.0 -425.0 1246.1 821.1
Rapid All 5 2 0 3 2.0 40.0 -85.0 1155.0 1070.0
White 2 0 0 2 0.0 0.0 -425.0 1148.0 723.0
Black 3 2 0 1 2.0 66.7 141.7 1159.7 1301.4
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 106087648 Masoka, O (Oyama) 2 0.0 0 0 2 0.0 1140.3 -425.0 715.3 View list
2 2030301004 Molapisi, C (Confidence) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1050140904 Martin, S (Siyamthanda) 1 1.0 1 0 0 100.0 1080.7 425.0 1505.7 View list
4 1060135611 Isaacs, C (Charlton) 1 1.0 1 0 0 100.0 1080.7 425.0 1505.7 View list
5 1090140912 Groener, B (Begravian) 1 0.0 0 0 1 0.0 1080.7 -425.0 655.7 View list
6 2050134002 Booysen, T (Tamia) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 1050301011 Xola, B (Bukho) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 106077397 Tshikosi, M (Mashudu) 1 0.0 0 0 1 0.0 1080.7 -425.0 655.7 View list
9 1060154781 Saunders, E (Ethan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1030301007 Pulumani, T (Thandolwethu) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 174029051 Oosthuizen, L (Leon) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 203088637 Ngidi, V (Victoria) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
13 185026999 Ndyova, T (Thanduxolo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 1070134135 Munemo, T (Tadiwa) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list