Ed must have went into the 3-for-1 to lose... because below pdn file draws.  < you can cut & paste pdn  to checkerboard >

[Event "1975 Florida Open - St Petersburg, FL - Rd7 Gm2.pdn"]
[Date "1975"]
[Black "Marion Tinsley"]
[White "Ed Scheidt"]
[Result "1/2-1/2"]
1. 10-15 21-17 2. 7-10
{Forms Opening "The Octopus" considered critical, a White advantaged game.} 17-14 3. 10x17 22x13 4. 11-16 23-19 {Tinsley's long-time favorite 23-19 break-up.} 5. 16x23 26x10 6. 6x15 13x6 7. 1x10 25-22 {This is a Tinsley move after 1-10 (instead of the early 30-26 vs DEO)} 8. 12-16 {More Tinsley... CTTW 12-16 then 30-26} 30-26 9. 8-12 {CTTW... pp 8-12, 27-23} 27-23 10. 4-8 {This 4-8 is a natural move and best! Ryan gives 3-7 but it's weaker if White goes 32-27} 32-27 {This sets up a 3 for 1 which Red has to move off. } 11. 16-20 {Gotta get off 3 for 1... with 16-20 or 8-11} 29-25 12. 8-11 22-17 13. 5-9 25-21 14. 9-14 17-13 15. 11-16 13-9 16. 3-7 9-5 17. 14-17 21x14 18. 10x17 5-1 19. 17-21 1-5 20. 21-25 5-9 21. 25-30 26-22 22. 16-19 23x16 23. 12x19 22-17 24. 7-11 17-13 25. 19-23 27x18 26. 20x27 31x24 27. 15x22 24-19 28. 30-26 9-14 29. 26-23 14-17 30. 23x16 17x26 31. 2-7 26-23 32. 11-15 28-24 33. 7-11 13-9 34. 16-12 23-19 35. 15-18 9-6 36. 11-16 19-15 37. 16-20 15x22 38. 20x27 {draws} 1/2-1/2

[Event "1975 Florida Open - St Petersburg, FL - Rd7 Gm2a.pdn"]
[Date "1975"]
[Black "Marion Tinsley"]
[White "Ed Scheidt"]
[Result "1/2-1/2"]
1. 10-15 21-17 2. 7-10 {Forms Opening "The Octopus" considered critical, a White advantaged game.} 17-14
3. 10x17 22x13 4. 11-16 23-19 {Tinsley's long-time favorite 23-19 break-up.} 5. 16x23 26x10 6. 6x15 13x6 7. 1x10 25-22 {This is a Tinsley move after 1-10 (instead of the early 30-26 vs DEO)} 8. 12-16 {More Tinsley... CTTW 12-16 then 30-26} 30-26 9. 8-12 {CTTW... pp 8-12, 27-23} 27-23 10. 4-8 {This 4-8 is a natural and best!  Ryan gives 3-7 but it's weaker then 32-27} 32-27 {This is pp on 37 2419 1524 2819 1014 1915 711 158 411 here Willie gives everything except 2925} 11. 16-20 {Got to get off 3for1 with 16-20 or 8-11} 29-25 12. 8-11 {only move to draw} 22-17 13. 5-9 {only move to draw} 25-21 14. 9-14 {only move to draw} 17-13 15. 3-7 13-9 16. 14-17 21x14 17. 10x17 9-5 18. 17-21 5-1 19. 21-25 26-22 20. 25-30 1-5 21. 11-16 23-18 22. 30-25 18x11 23. 25x18 5-9 24. 7-10 9-13 25. 10-15 13-17 26. 16-19 11-8 27. 12-16 8-4 28. 19-23 17-14 29. 23x32 14x23 30. 20x27 31x24 31. 16-20 23-19 32. 20x27 19x10 33. 27-31 1/2-1/2

1975 Florida Opens