Player Page

Whittaker, G (Gregory)
Dob: 1974/07/25 (Adult)
Gender: Male
Chess SA id: 1740149136
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (8 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 rating1296.7
Curent Weighted rating1246.2
Curent Weighted performance1248.5
Current official/published rating (highest between Raw, WR and WP)1296.7
Current floor (min rating allowed)796.7
Current highest rating achieved1296.7
Current K-factor36
Games played this month5
Score (S)1.5
Expected score (We)1.95
Difference (S-We)-0.45
Current Raw change (no limits, including tournament time weight)-13.4
Current min/max change allowed (with limits)±144.5
Current Raw change used (final)-13.4
Projected new Raw rating1283.3
Projected new Weighed rating1250.6
Projected new Weighted performance1248.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1283.3
Projected effective change (new Official - current Official)-13.4
Projected new highest rating1296.7
Projected new floor796.7
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 rating1303.6
Curent Weighted rating1242.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1303.6
Current floor (min rating allowed)803.6
Current highest rating achieved1303.6
Current K-factor36
Games played this month5
Score (S)1.5
Expected score (We)1.92
Difference (S-We)-0.42
Current Raw change (no limits, including tournament time weight)-15.1
Current min/max change allowed (with limits)±143.1
Current Raw change used (final)-15.1
Projected new Raw rating1288.5
Projected new Weighed rating1247.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1288.5
Projected effective change (new Official - current Official)-15.1
Projected new highest rating1303.6
Projected new floor803.6
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 rating1162.0
Curent Weighted rating1166.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1166.6
Current floor (min rating allowed)662.0
Current highest rating achieved1162.0
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)±175.0
Current Raw change used (final)0.0
Projected new Raw rating1162.0
Projected new Weighed rating1165.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1165.5
Projected effective change (new Official - current Official)-1.0
Projected new highest rating1162.0
Projected new floor662.0
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 rating1198.7
Curent Weighted rating1207.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1207.0
Current floor (min rating allowed)662.0
Current highest rating achieved1241.2
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)±166.1
Current Raw change used (final)0.0
Projected new Raw rating1198.7
Projected new Weighed rating1206.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1206.4
Projected effective change (new Official - current Official)-0.6
Projected new highest rating1241.2
Projected new floor662.0
Projected new K-facor36
Tournaments
Tournament: JMC Crawford International Sandton 2024 (B)
Start: 2024/05/11  End: 2024/05/11  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 1.5
Main rating: 1296.7  Rating gain/loss: -13.4
Type rating: 1303.6  Rating gain/loss: -15.1
Analysis
Tournament: JMC Helpmekaar Kollege Tournament 2024 (B)
Start: 2024/05/04  End: 2024/05/04  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 0
Games: 0  Score: 0.0
Main rating: 1296.7  Rating gain/loss: 0.0
Type rating: 1303.6  Rating gain/loss: 0.0
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 JMC Crawford International Sandton 2024 (B) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1296.7 1303.6 Analysis
2 JMC Helpmekaar Kollege Tournament 2024 (B) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 0 0.0 1296.7 1303.6 Analysis
1 JMC Kick Off Tournament 2024 (B) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1259.6 1257.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 JMC Crawford International Sandton 2024 (B) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1296.7 1303.6 Analysis
10 JMC Helpmekaar Kollege Tournament 2024 (B) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 0 0.0 1296.7 1303.6 Analysis
9 JMC Kick Off Tournament 2024 (B) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1259.6 1257.5 Analysis
8 Tshwane Chess Arbiter Norm Blitz Tournament 2023 2023/10/29 2023/10/29 Tshwane (GTP) Blitz 5 0.18 11 11 6.0 1255.5 1241.2 Analysis
7 2023 Centurion Chess Open (B) 2023/09/23 2023/09/23 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1208.0 1191.6 Analysis
6 Mzansi Spring Rapid 2023 2023/09/02 2023/09/02 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 3.0 1208.0 1162.0 Analysis
5 2023 Tshwane Chess FIDE Rated Blitz League 4 2023/08/13 2023/08/13 Tshwane (GTP) Blitz 5 0.18 9 9 3.5 1198.8 1238.0 Analysis
4 Eureka Open 2023 (B) 2023/07/29 2023/07/29 Sedibeng (GSV) Standard 60 0.83 5 0 0.0 1207.2 1200.0 Analysis
3 2023 Menlo Open Tournament (B) 2023/07/22 2023/07/22 Tshwane (GTP) Standard 60 0.83 5 2 0.0 1207.2 1200.0 Analysis
2 JMC Blitz - Higher Ground 2023 2023/06/17 2023/06/17 Johannesburg Metro (GJM) Blitz 8 0.25 7 7 4.0 1191.6 1200.0 Analysis
1 Mzansi Rapid 2023 (Intermediate) 2023/02/04 2023/02/04 Johannesburg Metro (GJM) Rapid 25 0.54 6 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 4 1 5 4.5 45.0 -42.5 1388.4 1345.9
White 5 3 1 1 3.5 70.0 170.0 1339.7 1509.7
Black 5 1 0 4 1.0 20.0 -255.0 1437.1 1182.1
Standard All 10 4 1 5 4.5 45.0 -42.5 1388.4 1345.9
White 5 3 1 1 3.5 70.0 170.0 1339.7 1509.7
Black 5 1 0 4 1.0 20.0 -255.0 1437.1 1182.1
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 56 23 5 28 25.5 45.5 -37.9 1371.5 1333.6
White 29 15 4 10 17.0 58.6 73.3 1309.0 1382.3
Black 27 8 1 18 8.5 31.5 -157.4 1438.6 1281.2
Standard All 17 6 2 9 7.0 41.2 -75.0 1407.4 1332.4
White 9 4 2 3 5.0 55.6 47.2 1400.1 1447.3
Black 8 2 0 6 2.0 25.0 -212.5 1415.6 1203.1
Rapid All 12 5 0 7 5.0 41.7 -70.8 1343.6 1272.8
White 6 3 0 3 3.0 50.0 0.0 1289.7 1289.7
Black 6 2 0 4 2.0 33.3 -141.7 1397.6 1255.9
Blitz All 27 12 3 12 13.5 50.0 0.0 1361.3 1361.3
White 14 8 2 4 9.0 64.3 121.4 1258.8 1380.2
Black 13 4 1 8 4.5 34.6 -130.8 1471.7 1340.9
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1000134206 Makatwane, L (Lethabo) 2 1.0 1 0 1 50.0 1231.8 0.0 1231.8 View list
2 1980136630 Chauke, N (Nicholus) 2 0.0 0 0 2 0.0 1227.2 -425.0 802.2 View list
3 211085191 Naidoo, K (Kajol) 2 0.0 0 0 2 0.0 1278.2 -425.0 853.2 View list
4 109069454 Sathish, A (Abinavah) 2 0.0 0 0 2 0.0 1203.4 -425.0 778.4 View list
5 1030130083 Bond, D (Dean Marthinus) 1 1.0 1 0 0 100.0 1255.5 425.0 1680.5 View list
6 108082807 Joseph, J (Jamie) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1090149171 Janse Van Rensburg, J (Joshua) 1 1.0 1 0 0 100.0 1198.8 425.0 1623.8 View list
8 2120111139 Maharaj, A (Aditi) 1 1.0 1 0 0 100.0 1191.6 425.0 1616.6 View list
9 1980304108 Mabuza, N (Nkosana) 1 1.0 1 0 0 100.0 1296.7 425.0 1721.7 View list
10 1080158369 Mabotja, M (Molatelo) 1 1.0 1 0 0 100.0 1255.5 425.0 1680.5 View list
11 1960191580 Lunga, F (Fulumeni) 1 1.0 1 0 0 100.0 1259.6 425.0 1684.6 View list
12 1160159688 Le Roux, E (Ethan) 1 1.0 1 0 0 100.0 1198.8 425.0 1623.8 View list
13 175000249 Adamson, LJ (Luke) 1 1.0 1 0 0 100.0 1208.0 425.0 1633.0 View list
14 1080161574 Moeng, T (Tshimologo) 1 1.0 1 0 0 100.0 1208.0 425.0 1633.0 View list
15 1100152477 Mohamed, A (Aram) 1 1.0 1 0 0 100.0 1191.6 425.0 1616.6 View list
16 1050153437 Nkogatse, P (Phafane) 1 1.0 1 0 0 100.0 1255.5 425.0 1680.5 View list
17 1000191583 Omar, M (Meezan) 1 1.0 1 0 0 100.0 1259.6 425.0 1684.6 View list
18 2070100307 Pretorius, K (Klarissa) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 1020160615 Rampela, M (Makoanyane Enock) 1 1.0 1 0 0 100.0 1208.0 425.0 1633.0 View list
20 1130133856 Samsunder, A (Aryan) 1 1.0 1 0 0 100.0 1191.6 425.0 1616.6 View list