PLAYER PAGE
Personal
Kay, I (Isaac)
Chess SA id
163014997FIDE id
?Date of birth
1963-12-12 (Adult)Gender
MaleRegion
Cape Town (WCT)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-08-23Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1334.6 | 1279.1 | 1451.9 | 1428 |
| Raw rating | 1334.6 | 1279.1 | 1451.9 | 1428 |
| Weighted rating | 1329.4 | 1278.1 | 1442.6 | 1428 |
| Weighted performance | 1006.3 | 0 | 0 | 0 |
| Floor | 902.2 | 902.2 | 951.9 | 928 |
| K-factor | 32 | 32 | 32 | 32 |
| Min/Max rating change allowed | 136.9 | 148.1 | 115.8 | 119.8 |
| Highest rating | 1402.22018-01-01 | 1402.22018-01-01 | 1451.92025-04-01 | 14282024-02-01 |
| Highest raw rating | 1402.22018-01-01 | 1402.22018-01-01 | 1451.92025-04-01 | 14282024-02-01 |
| Highest weighted rating | 1402.22018-01-01 | 1402.22018-01-01 | 1434.62025-08-01 | 1427.12025-08-01 |
| Highest weighted performance | 12332018-04-01 | 1231.72018-04-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1334.6 | 1279.1 | 1451.9 | 1428 |
| Analysis | ||||
| Rating | 1334.6 | 1279.1 | 1451.9 | 1428 |
| Raw rating | 1334.6 | 1279.1 | 1451.9 | 1428 |
| Weighted rating | 1329.4 | 1278.1 | 1442.6 | |
| Weighted performance | 1006.3 | 0 | 0 | |
| K-factor | 32 | 32 | 32 | 32 |
| Floor | 902.2 | 902.2 | 951.9 | 928 |
| Max/Min rating change allowed | 136.9 | 148.1 | 115.8 | 119.8 |
| 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 | 1334.6 | 1279.1 | 1451.9 | 1428 |
| New weighted rating | 1330.5 | 1278.2 | 1443.8 | 1428 |
| New weighted performance | 997.6 | 0 | 0 | 0 |
| Temp new rating | 1334.6 | 1279.1 | 1451.9 | 1428 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1334.6 | 1279.1 | 1451.9 | 1428 |
| New K-factor | 32 | 32 | 32 | 32 |
| New floor | 902.2 | 902.2 | 951.9 | 928 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 13 | 6 | 7 | 0 | |
| 6 | 0 | 6 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 100 | 81 | 19 | 0 |
| Games since | |||||||||||||||||
| Main19 | Standard6 | Rapid13 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Cape Town (WCT) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Male | -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 | 13 | 7 | 53.85 | 32.7 | 1408.2 | 1440.9 |
| Standard | 6 | 3 | 50 | 0 | 1286.7 | 1286.7 |
| Rapid | 7 | 4 | 57.14 | 60.7 | 1512.4 | 1573.1 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 39 | 17.5 | 44.87 | -43.6 | 1341.9 | 1298.3 |
| Standard | 26 | 10.5 | 40.38 | -81.7 | 1276 | 1194.2 |
| Rapid | 13 | 7 | 53.85 | 32.7 | 1473.8 | 1506.5 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2026-01-01 | 1334.6 | 1279.1 | 1451.9 | 1428 |
| 2025-11-30 | 1334.6 | 1279.1 | 1451.9 | 1428 |
| 2025-11-01 | 1334.6 | 1279.1 | 1451.9 | 1428 |
| 2025-09-30 | 1343.7 | 1277.8 | 1451.9 | 1428 |
| 2025-09-01 | 1343.7 | 1277.8 | 1451.9 | 1428 |
| 2025-08-01 | 1343.7 | 1277.8 | 1451.9 | 1428 |
| 2025-07-01 | 1343.7 | 1277.8 | 1451.9 | 1428 |
| 2025-06-01 | 1343.7 | 1277.8 | 1451.9 | 1428 |
| 2025-05-01 | 1343.7 | 1277.8 | 1451.9 | 1428 |
| 2025-04-01 | 1343.7 | 1277.8 | 1451.9 | 1428 |
| 2025-03-01 | 1312.2 | 1277.8 | 1423.5 | 1428 |
| 2025-02-01 | 1312.2 | 1277.8 | 1423.5 | 1428 |
| 2025-01-01 | 1312.2 | 1277.8 | 1423.5 | 1428 |
| 2024-12-01 | 1312.2 | 1277.8 | 1423.5 | 1428 |
| 2024-11-01 | 1312.2 | 1277.8 | 1423.5 | 1428 |
| 2024-10-01 | 1304.4 | 1277.8 | 1428 | 1428 |
| 2024-09-01 | 1304.4 | 1277.8 | 1428 | 1428 |
| 2024-11-01 | 1304.4 | 1277.8 | 1428 | 1428 |
| 2024-07-01 | 1304.4 | 1277.8 | 1428 | 1428 |
| 2024-06-01 | 1304.4 | 1277.8 | 1428 | 1428 |
| 2024-05-01 | 1304.4 | 1277.8 | 1428 | 1428 |
| 2024-04-01 | 1304.4 | 1277.8 | 1428 | 1428 |
| 2024-03-01 | 1304.4 | 1277.8 | 1428 | 1428 |
| 2024-02-01 | 1304.4 | 1277.8 | 1428 | 1428 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cape Town Chess Federation Club League 2025 (E) | 2025-08-16 | 2025-08-23 | Standard | Cape Town (WCT) | 6 | 6 | 3 | Yes | Analysis |
| 2 | Steinitz Festival 2025 (Open) | 2025-03-15 | 2025-03-15 | Rapid | Cape Town (WCT) | 7 | 7 | 4 | Yes | Analysis |
| 3 | UCT Open Chess Championship 2024 (Open Rapid) | 2024-10-12 | 2024-10-13 | Rapid | Cape Town (WCT) | 6 | 6 | 3 | Yes | Analysis |
| 4 | 2018 Western Province League (B) | 2018-08-04 | 2018-09-15 | Standard | Cape Town (WCT) | 11 | 3 | 1 | Yes | Analysis |
| 5 | 2018 Western Province League (D) | 2018-08-04 | 2018-09-15 | Standard | Cape Town (WCT) | 11 | 5 | 2 | Yes | Analysis |
| 6 | Eldo Smart Memorial Rapid Tournament 2018 | 2018-06-16 | 2018-06-16 | Rapid | Cape Town (WCT) | 7 | 0 | 0 | No | Analysis |
| 7 | Crossroads Open Chess Championship 2018 (B) | 2018-04-27 | 2018-04-29 | Standard | Cape Town (WCT) | 6 | 6 | 3.5 | Yes | Analysis |
| 8 | 2018 Cape of Good Hope Open Chess Championships (Prestige) | 2018-01-26 | 2018-01-28 | Standard | Cape Town (WCT) | 6 | 6 | 1 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentCape Town Chess Federation Club League 2025 | TournamentCape Town Chess Federation Club League 2025 | ||||||
| date2025-08-16 | rnd3 | typeStandard | result1 | date2025-08-23 | rnd5 | typeStandard | result1 | ||
| OpponentCholo, A (Athande) | OpponentMkonqo, M (Mahle) | ||||||||
| 2 | 2 | TournamentSteinitz Festival 2025 | TournamentSteinitz Festival 2025 | ||||||
| date2025-03-15 | rnd4 | typeRapid | result1 | date2025-03-15 | rnd5 | typeRapid | result1 | ||
| OpponentDe Villiers, C (Christiaan) | OpponentSpeelman, S (Sivuyile) | ||||||||
| 3 | 2 | TournamentUCT Open Chess Championship 2024 | TournamentSteinitz Festival 2025 | ||||||
| date2024-10-13 | rnd6 | typeRapid | result1 | date2025-03-15 | rnd1 | typeRapid | result1 | ||
| OpponentMaxwell, T (Tristan) | OpponentOosthuizen, E (Ethan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentCrossroads Open Chess Championship 2018 | TournamentCrossroads Open Chess Championship 2018 | ||||||
| date2018-04-27 | rnd1 | typeStandard | result1 | date2018-04-27 | rnd2 | typeStandard | result0.5 | ||
| OpponentMkentane, L (Lutho) | OpponentKapp, E (Ettiene) | ||||||||
| 2 | 1 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-09-08 | rnd10 | typeStandard | result1 | date2018-09-08 | rnd10 | typeStandard | result1 | ||
| OpponentWilliams, B (Brett) | OpponentWilliams, B (Brett) | ||||||||
| 3 | 1 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-09-01 | rnd7 | typeStandard | result1 | date2018-09-01 | rnd7 | typeStandard | result1 | ||
| OpponentMaxwell, CP (Christian) | OpponentMaxwell, CP (Christian) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSteinitz Festival 2025 | TournamentSteinitz Festival 2025 | ||||||
| date2025-03-15 | rnd4 | typeRapid | result1 | date2025-03-15 | rnd5 | typeRapid | result1 | ||
| OpponentDe Villiers, C (Christiaan) | OpponentSpeelman, S (Sivuyile) | ||||||||
| 2 | 2 | TournamentUCT Open Chess Championship 2024 | TournamentSteinitz Festival 2025 | ||||||
| date2024-10-13 | rnd6 | typeRapid | result1 | date2025-03-15 | rnd1 | typeRapid | result1 | ||
| OpponentMaxwell, T (Tristan) | OpponentOosthuizen, E (Ethan) | ||||||||
| 3 | 2 | TournamentUCT Open Chess Championship 2024 | TournamentUCT Open Chess Championship 2024 | ||||||
| date2024-10-12 | rnd2 | typeRapid | result1 | date2024-10-12 | rnd3 | typeRapid | result1 | ||
| OpponentBessesen, S (Sigi) | OpponentDu Plessis, B (Bennie) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSteinitz Festival 2025 | TournamentSteinitz Festival 2025 | ||||||
| date2025-03-15 | rnd4 | typeRapid | result1 | date2025-03-15 | rnd5 | typeRapid | result1 | ||
| OpponentDe Villiers, C (Christiaan) | OpponentSpeelman, S (Sivuyile) | ||||||||
| 2 | 2 | TournamentUCT Open Chess Championship 2024 | TournamentSteinitz Festival 2025 | ||||||
| date2024-10-13 | rnd6 | typeRapid | result1 | date2025-03-15 | rnd1 | typeRapid | result1 | ||
| OpponentMaxwell, T (Tristan) | OpponentOosthuizen, E (Ethan) | ||||||||
| 3 | 2 | TournamentUCT Open Chess Championship 2024 | TournamentUCT Open Chess Championship 2024 | ||||||
| date2024-10-12 | rnd2 | typeRapid | result1 | date2024-10-12 | rnd3 | typeRapid | result1 | ||
| OpponentBessesen, S (Sigi) | OpponentDu Plessis, B (Bennie) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-09-08 | rnd10 | typeStandard | result1 | date2018-09-08 | rnd10 | typeStandard | result1 | ||
| OpponentWilliams, B (Brett) | OpponentWilliams, B (Brett) | ||||||||
| 2 | 1 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-09-01 | rnd7 | typeStandard | result1 | date2018-09-01 | rnd7 | typeStandard | result1 | ||
| OpponentMaxwell, CP (Christian) | OpponentMaxwell, CP (Christian) | ||||||||
| 3 | 1 | Tournament2018 Western Province League | Tournament2018 Western Province League | ||||||
| date2018-08-18 | rnd5 | typeStandard | result1 | date2018-08-18 | rnd5 | typeStandard | result1 | ||
| OpponentSwartz, L (Lyndon) | OpponentSwartz, L (Lyndon) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentSteinitz Festival 2025 | TournamentSteinitz Festival 2025 | ||||||
| date2025-03-15 | rnd4 | typeRapid | result1 | date2025-03-15 | rnd5 | typeRapid | result1 | ||
| OpponentDe Villiers, C (Christiaan) | OpponentSpeelman, S (Sivuyile) | ||||||||
| 2 | 2 | TournamentUCT Open Chess Championship 2024 | TournamentSteinitz Festival 2025 | ||||||
| date2024-10-13 | rnd6 | typeRapid | result1 | date2025-03-15 | rnd1 | typeRapid | result1 | ||
| OpponentMaxwell, T (Tristan) | OpponentOosthuizen, E (Ethan) | ||||||||
| 3 | 2 | TournamentUCT Open Chess Championship 2024 | TournamentUCT Open Chess Championship 2024 | ||||||
| date2024-10-12 | rnd2 | typeRapid | result1 | date2024-10-12 | rnd3 | typeRapid | result1 | ||
| OpponentBessesen, S (Sigi) | OpponentDu Plessis, B (Bennie) | ||||||||
| # | 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 | Kapp ,E (Ettiene) | 2 | 0.5 | -212.5 | 2 | 0.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1257.8 | 1045.3 | 1258.2 | 1045.3 | 0 | 0 | 0 | 0 | ||||||
| 2 | Snyman ,J (Johannes) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1074.2 | 1499.2 | 1074.2 | 1499.2 | 0 | 0 | 0 | 0 | ||||||
| 3 | Williams ,B (Brett) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1223.2 | 1648.2 | 1215.7 | 1648.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Mkonqo ,M (Mahle) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1255.8 | 1680.8 | 1255.4 | 1680.8 | 0 | 0 | 0 | 0 | ||||||
| 5 | Flores Bartoli ,A (Andrew) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1656.8 | 1231.8 | 1656.8 | 1231.8 | 0 | 0 | 0 | 0 | ||||||
| 6 | Palmer ,RN (Reegan) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1388.3 | 963.3 | 1389.5 | 963.3 | 0 | 0 | 0 | 0 | ||||||
| 7 | Kebolo ,M (Munkia) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1210.7 | 1635.7 | 1200 | 1635.7 | 0 | 0 | 0 | 0 | ||||||
| 8 | Nieuwoudt ,D (Dawid) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1096 | 671 | 1096 | 671 | 0 | 0 | 0 | 0 | ||||||
| 9 | Kedama ,S (Sandiso) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1426.5 | 1001.5 | 1431.1 | 1001.5 | 0 | 0 | 0 | 0 | ||||||
| 10 | Jenkins ,T (Tauriq) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1600.9 | 1175.9 | 1600.9 | 1175.9 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

