Sept 17 (Reuters) - World rankings on Tuesday (U.S. unlessstated, last week's positions in brackets): 1. (1) Tiger Woods 13.65 average points 2. (2) Adam Scott (Australia) 9.23 3. (3) Phil Mickelson 8.47 4. (4) Rory McIlroy (Northern Ireland) 7.68 5. (5) Justin Rose (England) 7.67 6. (6) Henrik Stenson (Sweden) 7.12 7. (7) Matt Kuchar 6.68 8. (8) Brandt Snedeker 6.28 9. (10) Steve Stricker 6.21 10. (9) Jason Dufner 5.99 11. (11) Graeme McDowell (Northern Ireland) 5.61 12. (24) Zach Johnson 5.38 13. (15) Jim Furyk 5.16 14. (13) Luke Donald (England) 5.12 15. (12) Keegan Bradley 5.06 16. ... More...