PLAYER PAGE
Jaco May
183021986Cape Winelands (WCW)Personal
Main rating
| Rating | 894.5 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1294.4 (2018-04-01) |
| Min/Max +/- allowed | 145 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 722.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 894.5 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1294.4 (2018-04-01) |
| Min/Max +/- allowed | 145 |
Standard rating
| Rating | 858.2 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1294.4 (2018-04-01) |
| Min/Max +/- allowed | 145 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 702.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 858.2 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1294.4 (2018-04-01) |
| Min/Max +/- allowed | 145 |
Rapid rating
| Rating | 1041.6 |
| K-factor | 40 |
| Floor | 541.6 |
| Highest | 1200 (2018-02-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1041.6 |
| K-factor | 40 |
| Floor | 541.6 |
| Highest | 1200 (2018-02-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 761 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 761 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | SA Braille Open 2025 | Standard | 2025-03-22 | 2025-03-23 | Cape Winelands (WCW) | 6 | 859.2 | 6 | 2 | 1018.6 | 0 | Details |
| 2 | South African Braille Open 2024 | Standard | 2024-03-09 | 2024-03-09 | Cape Winelands (WCW) | 5 | 865.2 | 5 | 0.5 | 830.3 | 0 | Details |
| 3 | SA Braille South 2023 | Standard | 2023-03-18 | 2023-03-19 | Cape Winelands (WCW) | 5 | 842.3 | 5 | 1.5 | 963.6 | 0 | Details |
| 4 | Western Cape Closed Championship 2022 (Open) | Standard | 2022-09-24 | 2022-09-25 | Cape Winelands (WCW) | 6 | 857.3 | 5 | 0 | 794.5 | 0 | Details |
| 5 | Robertson Chess 2020 (Open) | Rapid | 2020-03-07 | 2020-03-07 | Cape Winelands (WCW) | 5 | 790.3 | 5 | 3 | 1310.9 | 0 | Details |
| 6 | Robertson Strategema 2019 (Open) | Rapid | 2019-10-05 | 2019-10-05 | Cape Winelands (WCW) | 5 | 776.4 | 5 | 1 | 902.2 | 0 | Details |
| 7 | SA Braille Worcester 2019 | Standard | 2019-03-23 | 2019-03-24 | Cape Winelands (WCW) | 5 | 805 | 4 | 0 | 647.4 | 0 | Details |
| 8 | Sa Braille Worcester Open 2018 | Standard | 2018-04-27 | 2018-04-28 | Cape Winelands (WCW) | 7 | 761 | 2 | 1.5 | 1282.5 | 0 | Details |
| 9 | Sa Braille 2016 | Standard | 2016-04-29 | 2016-04-30 | Boland (WB) | 5 | 730 | 4 | 1 | 768 | 0 | Details |
| 10 | Sa Braille 2015 | Standard | 2015-09-26 | 2015-09-27 | Boland (WB) | 5 | 740 | 5 | 2 | 828 | 0 | Details |
| 11 | Lyndon Bouah 2015 Worcester | Standard | 2015-05-16 | 2015-05-16 | Boland (WB) | 4 | 744 | 4 | 1 | 764 | 0 | Details |
| 12 | Sa Braille 2014 | Standard | 2014-09-30 | 2014-09-30 | Boland (WB) | 5 | 767 | 3 | 0 | 601 | 0 | Details |
| 13 | Boland Open 2014 - Open | Standard | 2014-08-30 | 2014-08-31 | Boland (WB) | 7 | 767 | 1 | 0 | 1016 | 0 | Details |
| 14 | Western Cape Clubs 2013 Citrusdal B-Section | Standard | 2013-10-12 | 2013-10-13 | West Coast (WCU) | 5 | 771 | 1 | 0 | 720 | 0 | Details |
| 15 | Marie Delport Herdenking - Afdeling A - Ope | Rapid | 2013-08-24 | 2013-08-24 | Boland (WB) | 5 | 751 | 4 | 0 | 667 | 0 | Details |
| 16 | Sa Braille 2013 Chess Tournament Alta Du Toit | Standard | 2013-02-23 | 2013-02-24 | Boland (WB) | 7 | 757 | 4 | 1 | 873 | 0 | Details |
| 17 | Boland Unie Prestige 2012 - Ope Afdeling | Rapid | 2012-07-28 | 2012-07-28 | Boland (WB) | 5 | 741 | 4 | 1 | 901 | 0 | Details |
| 18 | Sa Braille 2012 | Standard | 2012-04-27 | 2012-05-01 | Boland (WB) | 5 | 740 | 5 | 1 | 875 | 0 | Details |
| 19 | Boland Open 2012 - Open | Standard | 2012-04-02 | 2012-04-02 | Boland (WB) | 7 | 741 | 6 | 0.5 | 823 | 0 | Details |
| 20 | Boland Clubs 2011 C-Section Somerset-West | Standard | 2011-12-29 | 2011-12-29 | Boland (WB) | 7 | 774 | 5 | 1 | 549 | 0 | Details |
| 21 | Lyndon Bouah Braille 2011 (C-Section) | Standard | 2011-11-24 | 2011-11-24 | Boland (WB) | 7 | 813 | 5 | 0 | 543 | 0 | Details |
| 22 | 2011 Rotary Worcester Open - Open Section | Standard | 2011-08-31 | 2011-08-31 | Boland (WB) | 7 | 798 | 4 | 1 | 988 | 0 | Details |
| 23 | Sa Braille 2011 Worcester | Standard | 2011-08-24 | 2011-08-24 | Cape Winelands (WCW) | 7 | 800 | 4 | 1 | 857 | 0 | Details |
| 24 | Rotary Worcester Ope 2010 | Standard | 2010-08-14 | 2010-08-14 | Boland (WB) | 7 | 820 | 4 | 0 | 668 | 0 | Details |
| 25 | 8Th Kmga Boland Open 2010 (Senior) | Standard | 2010-01-22 | 2010-01-24 | Boland (WB) | 7 | 829 | 4 | 0 | 882 | 0 | Details |
| 26 | Lyndon Bouah Braille 2009 | Standard | 2009-11-04 | 2009-11-04 | Boland (WB) | 7 | 743 | 4 | 1 | 950 | 0 | Details |
| 27 | Rotary Worcester Ope 2009 Senior | Standard | 2009-08-28 | 2009-08-28 | Boland (WB) | 7 | 747 | 5 | 0 | 904 | 0 | Details |
| 28 | Kgma Malmesbury Open 2009 | Standard | 2009-08-03 | 2009-08-03 | Boland (WB) | 7 | 746 | 6 | 1 | 887 | 0 | Details |
| 29 | Braille Team Chess Tournament 2009 Group C | Standard | 2009-04-12 | 2009-04-12 | Boland (WB) | 4 | 779 | 4 | 0 | 700 | 0 | Details |
| 30 | Kma Boland Open Chess Tournament | Standard | 2009-02-14 | 2009-02-14 | Boland (WB) | 7 | 804 | 6 | 0 | 811 | 0 | Details |
| 31 | Lyndon Bouah Braille 2008 | Blitz | 2008-08-23 | 2008-08-23 | 0 | 842 | 5 | 0 | 718 | 0 | Details | |
| 32 | Worcester Ope 2008 Senior | Blitz | 2008-08-23 | 2008-08-23 | 0 | 0 | 5 | 0 | 926 | 0 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics (History)
| Games | 37 |
| Wins | 8 |
| Draws | 3 |
| Losses | 26 |
| White | 19 |
| Black | 18 |
| White wins | 4 |
| Black wins | 4 |
| Score | 9.5 |
| Percent | 25.7 |
| Dp | -206.8 |
| AOR | 1160.1 |
| Performance | 953.3 |
Rankings (Main)
| National | |
| Overall | 18432 |
| Gender | 13618 |
| Age group | 2422 |
| Gender/Age | 2056 |
| Provincial | |
| Overall | 5416 |
| Gender | 3889 |
| Age group | 604 |
| Gender/Age | 533 |
| Regional | |
| Overall | 835 |
| Gender | 555 |
| Age group | 68 |
| Gender/Age | 55 |
Rankings (Standard)
| National | |
| Overall | 13856 |
| Gender | 10181 |
| Age group | 1826 |
| Gender/Age | 1535 |
| Provincial | |
| Overall | 3939 |
| Gender | 2759 |
| Age group | 432 |
| Gender/Age | 376 |
| Regional | |
| Overall | 627 |
| Gender | 416 |
| Age group | 51 |
| Gender/Age | 41 |
Rankings (Rapid)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 6 |
| Score | 2 |
| Percent | 33.3 |
| Aor | 1160.3 |
| Dp | -141.7 |
| Prat | 1018.6 |
Performance (History)
| Games | 37 |
| Score | 9.5 |
| Percent | 25.7 |
| Aor | 1160.1 |
| Dp | -206.8 |
| Prat | 953.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Rossouw, J (Joan) | 4 | 3 | 1 | Robertson Strategema 2019 (Open) | SA Braille Open 2025 | Details |
| Overall | 2 | Bresler, C (Conrad) | 3 | 1 | 2 | SA Braille Worcester 2019 | South African Braille Open 2024 | Details |
| Overall | 3 | Bezuidenhout, S (Simone) | 2 | 0 | 2 | Sa Braille Worcester Open 2018 | SA Braille Worcester 2019 | Details |
| Overall | 4 | Richter, HL (Heinrich Lodewikus) | 2 | 1 | 1 | Robertson Chess 2020 (Open) | SA Braille South 2023 | Details |
| Overall | 5 | Meyer, L (Lukas) | 2 | 2 | 0 | Sa Braille Worcester Open 2018 | SA Braille Worcester 2019 | Details |
| Standard | 1 | Bresler, C (Conrad) | 3 | 1 | 2 | SA Braille Worcester 2019 | South African Braille Open 2024 | Details |
| Standard | 2 | Rossouw, J (Joan) | 3 | 2 | 1 | Western Cape Closed Championship 2022 (Open) | SA Braille Open 2025 | Details |
| Standard | 3 | Meyer, L (Lukas) | 2 | 2 | 0 | Sa Braille Worcester Open 2018 | SA Braille Worcester 2019 | Details |
| Standard | 4 | Bezuidenhout, S (Simone) | 2 | 0 | 2 | Sa Braille Worcester Open 2018 | SA Braille Worcester 2019 | Details |
