PLAYER PAGE
Personal

Grunefelder, A (Aiya)
Chess SA id
2120144500FIDE id
?Date of birth
2012-09-13 (U14)Gender
FemaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2022-08-27Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
Rating | 1203.7 | 1200 | 1200 | 1200 |
Raw rating | 1203.7 | 1200 | 1200 | 1200 |
Weighted rating | 1203.7 | 1200 | 1200 | 1200 |
Weighted performance | 0 | 0 | 0 | 0 |
Floor | 737.5 | 742.8 | 700 | 700 |
K-factor | 36 | 36 | 36 | 36 |
Min/Max rating change allowed | 164.9 | 165.8 | 165.8 | 165.8 |
Highest rating | 1397.12022-07-01 | 13872022-07-01 | 12002018-10-01 | 12002018-10-01 |
Highest raw rating | 1237.52022-08-01 | 1242.82022-08-01 | 12002024-03-01 | 12002024-03-01 |
Highest weighted rating | 1237.52023-10-01 | 1242.82022-08-01 | 12002018-10-01 | 12002018-10-01 |
Highest weighted performance | 1397.12022-07-01 | 13872022-07-01 | 12002024-03-01 | 12002024-03-01 |
Prediction | ||||
---|---|---|---|---|
Item | Main | Standard | Rapid | Blitz |
Rating change | 0 | 0 | 0 | 0 |
New rating | 1203.7 | 1200 | 1200 | 1200 |
Analysis | ||||
Rating | 1203.7 | 1200 | 1200 | 1200 |
Raw rating | 1203.7 | 1200 | 1200 | 1200 |
Weighted rating | 1203.7 | 1200 | 1200 | |
Weighted performance | 0 | 0 | 0 | |
K-factor | 36 | 36 | 36 | 36 |
Floor | 737.5 | 742.8 | 700 | 700 |
Max/Min rating change allowed | 164.9 | 165.8 | 165.8 | 165.8 |
Games | 0 | 0 | 0 | 0 |
Score | 0 | 0 | 0 | 0 |
Expected score | 0 | 0 | 0 | 0 |
Score-Expected | 0 | 0 | 0 | 0 |
Temp raw +/- | 0 | 0 | 0 | 0 |
Final raw +/- | 0 | 0 | 0 | 0 |
New raw rating | 1203.7 | 1200 | 1200 | 1200 |
New weighted rating | 1203.7 | 1200 | 1200 | 1200 |
New weighted performance | 0 | 0 | 0 | 0 |
Temp new rating | 1203.7 | 1200 | 1200 | 1200 |
Temp new rating +/- | 0 | 0 | 0 | 0 |
Final new rating +/- | 0 | 0 | 0 | 0 |
New rating | 1203.7 | 1200 | 1200 | 1200 |
New K-factor | 36 | 36 | 36 | 36 |
New floor | 737.5 | 742.8 | 700 | 700 |
Item | Main | Standard | Rapid | Blitz |
---|---|---|---|---|
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | |
10 | 10 | 0 | 0 | |
0 | 0 | 0 | 0 | |
History | 10 | 10 | 0 | 0 |
Games since | |||||||||||||||||
Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
Gender | Female | ||||||||||||||||
Age group | U14 | ||||||||||||||||
Region | Tshwane (GTP) | ||||||||||||||||
Province | Gauteng (GT) | ||||||||||||||||
Main | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Female | -1 | -1 | -1 | ||||||||||||||
U14 | -1 | -1 | -1 | ||||||||||||||
U14 Female | -1 | -1 | -1 | ||||||||||||||
Standard | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Female | -1 | -1 | -1 | ||||||||||||||
U14 | -1 | -1 | -1 | ||||||||||||||
U14 Female | -1 | -1 | -1 | ||||||||||||||
Rapid | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Female | -1 | -1 | -1 | ||||||||||||||
U14 | -1 | -1 | -1 | ||||||||||||||
U14 Female | -1 | -1 | -1 | ||||||||||||||
Blitz | RSA | Province | Region | ||||||||||||||
Overall | -1 | -1 | -1 | ||||||||||||||
Female | -1 | -1 | -1 | ||||||||||||||
U14 | -1 | -1 | -1 | ||||||||||||||
U14 Female | -1 | -1 | -1 |
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 0 | 0 | 0 | 0 | 0 | 0 |
Standard | 0 | 0 | 0 | 0 | 0 | 0 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 0 | 0 | 0 | 0 | 0 | 0 |
Standard | 0 | 0 | 0 | 0 | 0 | 0 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
History | ||||||
Games | Score | % | Dp | AvgOpp | Performance | |
Main | 10 | 5.5 | 55 | 42.5 | 1176.1 | 1218.6 |
Standard | 10 | 5.5 | 55 | 42.5 | 1176.1 | 1218.6 |
Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
Date | Main | Standard | Rapid | Blitz |
2025-09-30 | 1203.7 | 1200 | 1200 | 1200 |
2025-09-01 | 1203.7 | 1200 | 1200 | 1200 |
2025-08-01 | 1203.7 | 1200 | 1200 | 1200 |
2025-07-01 | 1203.7 | 1200 | 1200 | 1200 |
2025-06-01 | 1203.7 | 1200 | 1200 | 1200 |
2025-05-01 | 1203.7 | 1200 | 1200 | 1200 |
2025-04-01 | 1203.7 | 1200 | 1200 | 1200 |
2025-03-01 | 1203.7 | 1200 | 1200 | 1200 |
2025-02-01 | 1203.7 | 1200 | 1200 | 1200 |
2025-01-01 | 1203.7 | 1200 | 1200 | 1200 |
2024-12-01 | 1203.7 | 1200 | 1200 | 1200 |
2024-11-01 | 1203.7 | 1200 | 1200 | 1200 |
2024-10-01 | 1203.7 | 1200 | 1200 | 1200 |
2024-09-01 | 1203.7 | 1200 | 1200 | 1200 |
2024-08-01 | 1203.7 | 1200 | 1200 | 1200 |
2024-07-01 | 1203.7 | 1200 | 1200 | 1200 |
2024-06-01 | 1203.7 | 1200 | 1200 | 1200 |
2024-08-01 | 1203.7 | 1200 | 1200 | 1200 |
2024-04-01 | 1203.7 | 1200 | 1200 | 1200 |
2024-03-01 | 1203.7 | 1200 | 1200 | 1200 |
2024-02-01 | 1203.7 | 1200 | 1200 | 1200 |
2024-01-01 | 1203.7 | 1200 | 1200 | 1200 |
2023-12-01 | 1203.7 | 1200 | 1200 | 1200 |
2023-11-01 | 1203.7 | 1200 | 1200 | 1200 |
Comming soon.
Tournaments
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
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Last 500 tournaments since 01 January 2018
# | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
---|---|---|---|---|---|---|---|---|---|---|
1 | 2022 Gauteng Schools Team Championships (U11 Open) | 2022-08-27 | 2022-08-27 | Standard | Tshwane (GTP) | 5 | 5 | 1.5 | Yes | Analysis |
2 | D4 Play Offs 2022 (U11) | 2022-07-30 | 2022-07-30 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
Top 3 Streaks
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 5 | TournamentD4 Play Offs 2022 | Tournament2022 Gauteng Schools Team Championships | ||||||
date2022-07-30 | rnd2 | typeStandard | result1 | date2022-08-27 | rnd1 | typeStandard | result0.5 | ||
OpponentCoetzee, M (Mauritz) | OpponentChauke, S (Simamkele Hlomla) | ||||||||
2 | 1 | Tournament2022 Gauteng Schools Team Championships | Tournament2022 Gauteng Schools Team Championships | ||||||
date2022-08-27 | rnd4 | typeStandard | result1 | date2022-08-27 | rnd4 | typeStandard | result1 | ||
OpponentMoeti, T (Tlotlo) | OpponentMoeti, T (Tlotlo) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 5 | TournamentD4 Play Offs 2022 | Tournament2022 Gauteng Schools Team Championships | ||||||
date2022-07-30 | rnd2 | typeStandard | result1 | date2022-08-27 | rnd1 | typeStandard | result0.5 | ||
OpponentCoetzee, M (Mauritz) | OpponentChauke, S (Simamkele Hlomla) | ||||||||
2 | 1 | Tournament2022 Gauteng Schools Team Championships | Tournament2022 Gauteng Schools Team Championships | ||||||
date2022-08-27 | rnd4 | typeStandard | result1 | date2022-08-27 | rnd4 | typeStandard | result1 | ||
OpponentMoeti, T (Tlotlo) | OpponentMoeti, T (Tlotlo) |
# | Games | Start | End |
---|
# | Games | Start | End |
---|
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 4 | TournamentD4 Play Offs 2022 | TournamentD4 Play Offs 2022 | ||||||
date2022-07-30 | rnd2 | typeStandard | result1 | date2022-07-30 | rnd5 | typeStandard | result1 | ||
OpponentCoetzee, M (Mauritz) | OpponentBriers, F (Frederik) | ||||||||
2 | 1 | Tournament2022 Gauteng Schools Team Championships | Tournament2022 Gauteng Schools Team Championships | ||||||
date2022-08-27 | rnd4 | typeStandard | result1 | date2022-08-27 | rnd4 | typeStandard | result1 | ||
OpponentMoeti, T (Tlotlo) | OpponentMoeti, T (Tlotlo) |
# | Games | Start | End | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 4 | TournamentD4 Play Offs 2022 | TournamentD4 Play Offs 2022 | ||||||
date2022-07-30 | rnd2 | typeStandard | result1 | date2022-07-30 | rnd5 | typeStandard | result1 | ||
OpponentCoetzee, M (Mauritz) | OpponentBriers, F (Frederik) | ||||||||
2 | 1 | Tournament2022 Gauteng Schools Team Championships | Tournament2022 Gauteng Schools Team Championships | ||||||
date2022-08-27 | rnd4 | typeStandard | result1 | date2022-08-27 | rnd4 | typeStandard | result1 | ||
OpponentMoeti, T (Tlotlo) | OpponentMoeti, T (Tlotlo) |
# | Games | Start | End |
---|
# | Games | Start | End |
---|
Top 10 opponents most often played
# | Opponent | Main | Standard | Rapid | Blitz | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | ||
Aor | Prat | Aor | Prat | Aor | Prat | Aor | Prat | ||||||
1 | Oosthuizen ,V (Vaughn) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1128.7 | 1553.7 | 1118.3 | 1553.7 | 0 | 0 | 0 | 0 | ||||||
2 | Briers ,F (Frederik) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1197.8 | 1622.8 | 1159.8 | 1622.8 | 0 | 0 | 0 | 0 | ||||||
3 | Dreyer ,M (Maria Margaretha (Aretha)) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1103.6 | 678.6 | 1093 | 678.6 | 0 | 0 | 0 | 0 | ||||||
4 | Van Der Loo ,B (Benjamin Antonie) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1095.4 | 1520.4 | 1170 | 1520.4 | 0 | 0 | 0 | 0 | ||||||
5 | Padayachy ,V (Vidya) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1101 | 676 | 1067.1 | 676 | 0 | 0 | 0 | 0 | ||||||
6 | Moeti ,T (Tlotlo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
7 | Van Der Schyff ,C (Charlize) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1434.8 | 1009.8 | 1420.3 | 1009.8 | 0 | 0 | 0 | 0 | ||||||
8 | Coetzee ,M (Mauritz) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
1119.1 | 1544.1 | 1076.8 | 1544.1 | 0 | 0 | 0 | 0 | ||||||
9 | Chauke ,S (Simamkele Hlomla) | 1 | 0.5 | 0 | 1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1200 | 1200 | 1200 | 1200 | 0 | 0 | 0 | 0 | ||||||
10 | Rambritch ,R (Rishik) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
1180.1 | 755.1 | 1170.4 | 755.1 | 0 | 0 | 0 | 0 |
Norms
# | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
---|---|---|---|---|---|---|---|---|