Player Page

Zuidersma, MJ (Marthinus)
Dob: 2000/06/28 (Adult)
Gender: Male
Chess SA id: 100043580
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2024/02/10 (98 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 rating1356.5
Curent Weighted rating1324.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1356.5
Current floor (min rating allowed)856.5
Current highest rating achieved1356.5
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)±132.7
Current Raw change used (final)0.0
Projected new Raw rating1356.5
Projected new Weighed rating1328.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1356.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1356.5
Projected new floor856.5
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 rating1400.1
Curent Weighted rating1345.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1400.1
Current floor (min rating allowed)900.1
Current highest rating achieved1400.1
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)±124.7
Current Raw change used (final)0.0
Projected new Raw rating1400.1
Projected new Weighed rating1351.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1400.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1400.1
Projected new floor900.1
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 rating1288.2
Curent Weighted rating1288.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1288.2
Current floor (min rating allowed)833.0
Current highest rating achieved1333.0
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)±146.2
Current Raw change used (final)0.0
Projected new Raw rating1288.2
Projected new Weighed rating1288.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1288.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1333.0
Projected new floor833.0
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 rating1333.0
Curent Weighted rating1304.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1333.0
Current floor (min rating allowed)833.0
Current highest rating achieved1333.0
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)±137.2
Current Raw change used (final)0.0
Projected new Raw rating1333.0
Projected new Weighed rating1307.5
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1333.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1333.0
Projected new floor833.0
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Laerskool Midvaal Chess Open Section 2024 (A) 2024/02/10 2024/02/10 Sedibeng (GSV) Standard 61 0.84 5 5 3.0 1337.1 1388.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 Laerskool Midvaal Chess Open Section 2024 (A) 2024/02/10 2024/02/10 Sedibeng (GSV) Standard 61 0.84 5 5 3.0 1337.1 1388.6 Analysis
1 Eureka Open 2023 (B) 2023/07/29 2023/07/29 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1288.2 1288.2 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 3 0 2 3.0 60.0 85.0 1369.5 1454.5
White 3 2 0 1 2.0 66.7 141.7 1358.9 1500.6
Black 2 1 0 1 1.0 50.0 0.0 1385.4 1385.4
Standard All 5 3 0 2 3.0 60.0 85.0 1369.5 1454.5
White 3 2 0 1 2.0 66.7 141.7 1358.9 1500.6
Black 2 1 0 1 1.0 50.0 0.0 1385.4 1385.4
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 10 6 0 4 6.0 60.0 85.0 1419.8 1504.8
White 5 3 0 2 3.0 60.0 85.0 1412.2 1497.2
Black 5 3 0 2 3.0 60.0 85.0 1427.3 1512.3
Standard All 10 6 0 4 6.0 60.0 85.0 1419.8 1504.8
White 5 3 0 2 3.0 60.0 85.0 1412.2 1497.2
Black 5 3 0 2 3.0 60.0 85.0 1427.3 1512.3
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 196087700 Mamburu, M (Mutshidzi) 1 1.0 1 0 0 100.0 1288.2 425.0 1713.2 View list
2 164043578 Zuidersma, JM (Jean) 1 1.0 1 0 0 100.0 1337.1 425.0 1762.1 View list
3 101071648 Tlamama, T (Tshepang) 1 1.0 1 0 0 100.0 1288.2 425.0 1713.2 View list
4 1790148618 Swan, E (Ettienne) 1 1.0 1 0 0 100.0 1337.1 425.0 1762.1 View list
5 102024957 Morema, KA (Kgabo) 1 1.0 1 0 0 100.0 1288.2 425.0 1713.2 View list
6 188024832 Moolman, T (Tertius) 1 1.0 1 0 0 100.0 1337.1 425.0 1762.1 View list
7 1060112904 Mini, S (Siboniso) 1 0.0 0 0 1 0.0 1337.1 -425.0 912.1 View list
8 198015251 Kgaphola, M (Moloko) 1 0.0 0 0 1 0.0 1337.1 -425.0 912.1 View list
9 1060107794 Jaitas, W (Worapat) 1 0.0 0 0 1 0.0 1288.2 -425.0 863.2 View list
10 182004383 Chakandidano, N (Nhamo) 1 0.0 0 0 1 0.0 1288.2 -425.0 863.2 View list