Player Page

Grieve, R (Rayden)
Dob: 2011/08/18 (U14)
Gender: Male
Chess SA id: 1110152502
FIDE id:
Region: West Rand (GWR)
Citizen: RSA
Title(s):
Last active: 2024/05/04 (49 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 rating1062.1
Current Weighted rating1087.6
Current Weighted performance995.1
Current official/published rating (highest between Raw, WR and WP)1087.6
Current highest rating achieved1151.2
Current floor (min rating allowed)651.2
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)±201.8
Current Raw change used (final)0.0
Projected new Raw rating1062.1
Projected new Weighed rating998.0
Projected new Weighted performance995.1
Projected new final Raw rating (if new WP > new Raw)1062.1
Projected new highest rating1151.2
Projected new floor651.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1062.1
Projected effective change (new Official - current Official)-25.5
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 rating1056.8
Current Weighted rating1076.5
Current Weighted performance995.1
Current official/published rating (highest between Raw, WR and WP)1076.5
Current highest rating achieved1142.8
Current floor (min rating allowed)642.8
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)±203.3
Current Raw change used (final)0.0
Projected new Raw rating1056.8
Projected new Weighed rating987.5
Projected new Weighted performance995.1
Projected new final Raw rating (if new WP > new Raw)1056.8
Projected new highest rating1142.8
Projected new floor642.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1056.8
Projected effective change (new Official - current Official)-19.7
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 achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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 achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 2024 D2 Schools Individuals (U13 Boys) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 1.5 1055.8 1048.0 Analysis
2 2024 West Rand Open (U14) 2024/02/03 2024/02/03 West Rand (GWR) Standard 60 0.83 5 5 2.0 1032.9 1017.2 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U14B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 0.0 1065.6 1049.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 2024 D2 Schools Individuals (U13 Boys) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 1.5 1055.8 1048.0 Analysis
7 2024 West Rand Open (U14) 2024/02/03 2024/02/03 West Rand (GWR) Standard 60 0.83 5 5 2.0 1032.9 1017.2 Analysis
6 2024 Gauteng Inter-Region Chess Championship (U14B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 0.0 1065.6 1049.2 Analysis
5 2023 West Rand Trials (U14) 2023/09/09 2023/09/09 West Rand (GWR) Standard 60 0.83 5 5 2.0 1049.7 1026.4 Analysis
4 West Rand at Bastion 2023 (Bishops) 2023/08/05 2023/08/05 West Rand (GWR) Standard 60 0.83 5 4 0.0 1099.8 1083.6 Analysis
3 2023 West Rand RHS Open (Bishops) 2023/06/10 2023/06/10 West Rand (GWR) Standard 60 0.83 5 5 1.0 1145.9 1137.6 Analysis
2 D2 Schools Individuals 2023 (U13 Boys) 2023/05/13 2023/05/13 West Rand (GWR) Standard 60 0.83 5 5 2.0 1151.2 1142.8 Analysis
1 West Rand Juniors 2023 (U14) 2023/03/18 2023/03/18 West Rand (GWR) Standard 60 0.83 5 5 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 3 1 10 3.5 25.0 -212.5 1261.0 1048.5
White 6 2 0 4 2.0 33.3 -141.7 1265.8 1124.2
Black 8 1 1 6 1.5 18.8 -265.6 1257.4 991.8
Standard All 14 3 1 10 3.5 25.0 -212.5 1261.0 1048.5
White 6 2 0 4 2.0 33.3 -141.7 1265.8 1124.2
Black 8 1 1 6 1.5 18.8 -265.6 1257.4 991.8
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 38 9 1 28 9.5 25.0 -212.5 1222.9 1010.4
White 18 4 0 14 4.0 22.2 -236.1 1219.7 983.6
Black 20 5 1 14 5.5 27.5 -191.2 1225.7 1034.4
Standard All 38 9 1 28 9.5 25.0 -212.5 1222.9 1010.4
White 18 4 0 14 4.0 22.2 -236.1 1219.7 983.6
Black 20 5 1 14 5.5 27.5 -191.2 1225.7 1034.4
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2110144964 Mangoejane, K (Katlego) 1 1.0 1 0 0 100.0 1145.9 425.0 1570.9 View list
2 1110150832 Cadman, J (Jessie Leigh) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1110192199 Butler, A (Avron) 1 1.0 1 0 0 100.0 1032.9 425.0 1457.9 View list
4 1110161877 Mogale, K (Katlego) 1 1.0 1 0 0 100.0 1049.7 425.0 1474.7 View list
5 1100156275 Mosweu, K (Kamogelo) 1 1.0 1 0 0 100.0 1151.2 425.0 1576.2 View list
6 1110161882 Paul, B (Blessing) 1 1.0 1 0 0 100.0 1049.7 425.0 1474.7 View list
7 1100156285 Qonda, N (Ntando) 1 1.0 1 0 0 100.0 1151.2 425.0 1576.2 View list
8 1120192202 Rooskrants, A (Anthony) 1 1.0 1 0 0 100.0 1032.9 425.0 1457.9 View list
9 1110303092 Roscher, Z (Zachary) 1 1.0 1 0 0 100.0 1055.8 425.0 1480.8 View list
10 1110303088 Noko, K (Katlego) 1 0.5 0 1 0 50.0 1055.8 0.0 1055.8 View list
11 1110156277 Mtsweni, T (Thapelo) 1 0.0 0 0 1 0.0 1151.2 -425.0 726.2 View list
12 1100157452 Mtinane, J (Jabulile) 1 0.0 0 0 1 0.0 1145.9 -425.0 720.9 View list
13 1060157451 Morare, K (Katleho) 1 0.0 0 0 1 0.0 1145.9 -425.0 720.9 View list
14 1100156268 Mazibuko, A (Avile) 1 0.0 0 0 1 0.0 1151.2 -425.0 726.2 View list
15 1110303084 Maseko, K (Karabo) 1 0.0 0 0 1 0.0 1055.8 -425.0 630.8 View list
16 1100151802 Maritz, L (Luke) 1 0.0 0 0 1 0.0 1065.6 -425.0 640.6 View list
17 2100101007 Bassie, U (Unathi) 1 0.0 0 0 1 0.0 1049.7 -425.0 624.7 View list
18 110084943 Ackerman, J (Johandre) 1 0.0 0 0 1 0.0 1065.6 -425.0 640.6 View list
19 1110159285 Makhubela, K (Kgakiso) 1 0.0 0 0 1 0.0 1099.8 -425.0 674.8 View list
20 1110115390 Jonker, R (Reagan) 1 0.0 0 0 1 0.0 1032.9 -425.0 607.9 View list