Player Page

Collier, R (Rodger)
Dob: 1982/09/03 (Adult)
Gender: Male
Chess SA id: 1820147205
FIDE id:
Region: Nelson Mandela Bay (ENM)
Citizen: RSA
Title(s):
Last active: 2023/08/12 (280 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 rating1247.6
Curent Weighted rating1233.1
Curent Weighted performance1077.0
Current official/published rating (highest between Raw, WR and WP)1247.6
Current floor (min rating allowed)764.2
Current highest rating achieved1264.2
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)±154.9
Current Raw change used (final)0.0
Projected new Raw rating1247.6
Projected new Weighed rating1234.7
Projected new Weighted performance1077.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1247.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1264.2
Projected new floor764.2
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 rating1200.0
Curent Weighted rating1203.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1203.4
Current floor (min rating allowed)752.0
Current highest rating achieved1252.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1203.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1203.1
Projected effective change (new Official - current Official)-0.3
Projected new highest rating1252.0
Projected new floor752.0
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 rating1305.5
Curent Weighted rating1261.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1305.5
Current floor (min rating allowed)805.5
Current highest rating achieved1305.5
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)±142.7
Current Raw change used (final)0.0
Projected new Raw rating1305.5
Projected new Weighed rating1266.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1305.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1305.5
Projected new floor805.5
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 rating1300.0
Curent Weighted rating1236.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1300.0
Current floor (min rating allowed)805.5
Current highest rating achieved1300.0
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)±143.8
Current Raw change used (final)0.0
Projected new Raw rating1300.0
Projected new Weighed rating1243.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1300.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1300.0
Projected new floor805.5
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 NMBCU Closed 2023 (Adults) 2023/08/11 2023/08/12 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 2.0 1225.6 1204.5 Analysis
4 NMBCU Trial 4 2023 (U20+Open) 2023/07/28 2023/07/29 Nelson Mandela Bay (ENM) Standard 60 0.83 5 4 1.5 1227.7 1205.6 Analysis
3 EP Trials 3 2023 (Open) 2023/05/05 2023/05/06 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 2.0 1264.2 1252.0 Analysis
2 NMB 2nd Trials 2023 (Adults) 2023/03/24 2023/03/25 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1223.0 1200.0 Analysis
1 2022 Madibaz Physics Chess Open (E) 2022/10/07 2022/10/08 Nelson Mandela Bay (ENM) Rapid 30 0.60 6 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 27 12 2 13 13.0 48.1 -15.7 1276.0 1260.3
White 14 7 1 6 7.5 53.6 30.4 1280.9 1311.3
Black 13 5 1 7 5.5 42.3 -65.4 1270.8 1205.4
Standard All 22 9 1 12 9.5 43.2 -58.0 1293.3 1235.4
White 11 4 1 6 4.5 40.9 -77.3 1303.0 1225.7
Black 11 5 0 6 5.0 45.5 -38.6 1283.6 1245.0
Rapid All 5 3 1 1 3.5 70.0 170.0 1200.0 1370.0
White 3 3 0 0 3.0 100.0 425.0 1200.0 1625.0
Black 2 0 1 1 0.5 25.0 -212.5 1200.0 987.5
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 1030143841 Bouwer, T (Tiaan) 4 3.5 3 1 0 87.5 1235.1 318.8 1553.9 View list
2 185026999 Ndyova, T (Thanduxolo) 3 1.0 1 0 2 33.3 1238.3 -141.7 1096.6 View list
3 1790140433 Kapp, J (Jacinto) 2 1.0 1 0 1 50.0 1224.3 0.0 1224.3 View list
4 101066748 Mapungwana, S (Sikelela) 2 0.0 0 0 2 0.0 1243.6 -425.0 818.6 View list
5 1030132838 Manley, D (David Luc) 2 0.0 0 0 2 0.0 1246.0 -425.0 821.0 View list
6 1050151186 Swanepoel, D (Diego) 1 1.0 1 0 0 100.0 1264.2 425.0 1689.2 View list
7 101056732 Ngwala, L (Lutho) 1 1.0 1 0 0 100.0 1223.0 425.0 1648.0 View list
8 2990147059 Hlophe, Y (Yamkela) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 200001157 Balfour, A (Anesipho) 1 1.0 1 0 0 100.0 1225.6 425.0 1650.6 View list
10 1030139791 Putulu, S (Sonwabiso) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
11 2850147221 Pujirana, A (Andi Isni) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 104055277 Peter, M (Mnico) 1 1.0 1 0 0 100.0 1227.7 425.0 1652.7 View list
13 1870147219 Ntari, A (Asa) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
14 1010147064 Zulu, B (Bayanda) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 153043180 Wolmarans, GM (Gregory) 1 0.0 0 0 1 0.0 1223.0 -425.0 798.0 View list
16 2040131328 Swartbooi, I (Ina) 1 0.0 0 0 1 0.0 1264.2 -425.0 839.2 View list
17 199061823 Smith, AS (Achmat Siraaj) 1 0.0 0 0 1 0.0 1225.6 -425.0 800.6 View list
18 197034736 Simons, D (Daniel) 1 0.0 0 0 1 0.0 1225.6 -425.0 800.6 View list
19 182027949 Nkosi, DJ (Dumisa) 1 0.0 0 0 1 0.0 1225.6 -425.0 800.6 View list