Insert number of tests to be completed:

TEST: 1. Choice: A. Door Eliminated: B. Winner: A. You would win if you STAY
TEST: 2. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 3. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 4. Choice: B. Door Eliminated: A. Winner: B. You would win if you STAY
TEST: 5. Choice: C. Door Eliminated: B. Winner: A. You would win if you SWITCH
TEST: 6. Choice: A. Door Eliminated: B. Winner: A. You would win if you STAY
TEST: 7. Choice: A. Door Eliminated: B. Winner: C. You would win if you SWITCH
TEST: 8. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 9. Choice: A. Door Eliminated: C. Winner: B. You would win if you SWITCH
TEST: 10. Choice: A. Door Eliminated: B. Winner: C. You would win if you SWITCH
TEST: 11. Choice: A. Door Eliminated: B. Winner: C. You would win if you SWITCH
TEST: 12. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 13. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 14. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 15. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 16. Choice: C. Door Eliminated: B. Winner: A. You would win if you SWITCH
TEST: 17. Choice: C. Door Eliminated: B. Winner: A. You would win if you SWITCH
TEST: 18. Choice: C. Door Eliminated: B. Winner: A. You would win if you SWITCH
TEST: 19. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 20. Choice: C. Door Eliminated: B. Winner: A. You would win if you SWITCH
TEST: 21. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 22. Choice: B. Door Eliminated: A. Winner: C. You would win if you SWITCH
TEST: 23. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 24. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 25. Choice: B. Door Eliminated: A. Winner: B. You would win if you STAY
TEST: 26. Choice: A. Door Eliminated: C. Winner: B. You would win if you SWITCH
TEST: 27. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 28. Choice: C. Door Eliminated: B. Winner: A. You would win if you SWITCH
TEST: 29. Choice: A. Door Eliminated: C. Winner: B. You would win if you SWITCH
TEST: 30. Choice: A. Door Eliminated: B. Winner: A. You would win if you STAY
TEST: 31. Choice: A. Door Eliminated: C. Winner: B. You would win if you SWITCH
TEST: 32. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 33. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 34. Choice: A. Door Eliminated: B. Winner: C. You would win if you SWITCH
TEST: 35. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 36. Choice: A. Door Eliminated: C. Winner: B. You would win if you SWITCH
TEST: 37. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 38. Choice: B. Door Eliminated: A. Winner: B. You would win if you STAY
TEST: 39. Choice: C. Door Eliminated: B. Winner: A. You would win if you SWITCH
TEST: 40. Choice: A. Door Eliminated: C. Winner: B. You would win if you SWITCH
TEST: 41. Choice: B. Door Eliminated: A. Winner: B. You would win if you STAY
TEST: 42. Choice: B. Door Eliminated: A. Winner: C. You would win if you SWITCH
TEST: 43. Choice: A. Door Eliminated: B. Winner: C. You would win if you SWITCH
TEST: 44. Choice: B. Door Eliminated: A. Winner: C. You would win if you SWITCH
TEST: 45. Choice: A. Door Eliminated: C. Winner: A. You would win if you STAY
TEST: 46. Choice: A. Door Eliminated: B. Winner: A. You would win if you STAY
TEST: 47. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 48. Choice: B. Door Eliminated: A. Winner: C. You would win if you SWITCH
TEST: 49. Choice: C. Door Eliminated: B. Winner: C. You would win if you STAY
TEST: 50. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 51. Choice: A. Door Eliminated: B. Winner: C. You would win if you SWITCH
TEST: 52. Choice: A. Door Eliminated: B. Winner: A. You would win if you STAY
TEST: 53. Choice: A. Door Eliminated: B. Winner: A. You would win if you STAY
TEST: 54. Choice: A. Door Eliminated: C. Winner: A. You would win if you STAY
TEST: 55. Choice: A. Door Eliminated: C. Winner: B. You would win if you SWITCH
TEST: 56. Choice: C. Door Eliminated: B. Winner: A. You would win if you SWITCH
TEST: 57. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 58. Choice: A. Door Eliminated: B. Winner: A. You would win if you STAY
TEST: 59. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 60. Choice: A. Door Eliminated: C. Winner: B. You would win if you SWITCH
TEST: 61. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 62. Choice: A. Door Eliminated: C. Winner: B. You would win if you SWITCH
TEST: 63. Choice: B. Door Eliminated: A. Winner: C. You would win if you SWITCH
TEST: 64. Choice: C. Door Eliminated: B. Winner: C. You would win if you STAY
TEST: 65. Choice: B. Door Eliminated: A. Winner: B. You would win if you STAY
TEST: 66. Choice: A. Door Eliminated: C. Winner: A. You would win if you STAY
TEST: 67. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 68. Choice: B. Door Eliminated: C. Winner: B. You would win if you STAY
TEST: 69. Choice: B. Door Eliminated: A. Winner: C. You would win if you SWITCH
TEST: 70. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 71. Choice: A. Door Eliminated: C. Winner: A. You would win if you STAY
TEST: 72. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 73. Choice: A. Door Eliminated: B. Winner: C. You would win if you SWITCH
TEST: 74. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 75. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 76. Choice: C. Door Eliminated: A. Winner: C. You would win if you STAY
TEST: 77. Choice: A. Door Eliminated: B. Winner: C. You would win if you SWITCH
TEST: 78. Choice: A. Door Eliminated: C. Winner: A. You would win if you STAY
TEST: 79. Choice: C. Door Eliminated: A. Winner: C. You would win if you STAY
TEST: 80. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 81. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 82. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 83. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 84. Choice: C. Door Eliminated: A. Winner: C. You would win if you STAY
TEST: 85. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 86. Choice: B. Door Eliminated: A. Winner: B. You would win if you STAY
TEST: 87. Choice: A. Door Eliminated: C. Winner: B. You would win if you SWITCH
TEST: 88. Choice: C. Door Eliminated: A. Winner: C. You would win if you STAY
TEST: 89. Choice: A. Door Eliminated: C. Winner: B. You would win if you SWITCH
TEST: 90. Choice: B. Door Eliminated: C. Winner: B. You would win if you STAY
TEST: 91. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 92. Choice: C. Door Eliminated: A. Winner: B. You would win if you SWITCH
TEST: 93. Choice: B. Door Eliminated: A. Winner: C. You would win if you SWITCH
TEST: 94. Choice: B. Door Eliminated: C. Winner: B. You would win if you STAY
TEST: 95. Choice: A. Door Eliminated: C. Winner: A. You would win if you STAY
TEST: 96. Choice: B. Door Eliminated: A. Winner: C. You would win if you SWITCH
TEST: 97. Choice: A. Door Eliminated: C. Winner: B. You would win if you SWITCH
TEST: 98. Choice: B. Door Eliminated: C. Winner: A. You would win if you SWITCH
TEST: 99. Choice: C. Door Eliminated: B. Winner: A. You would win if you SWITCH
TEST: 100. Choice: B. Door Eliminated: A. Winner: B. You would win if you STAY
At the end of testing 100 times, You would have won 29 times (29.0%) if you stayed with my first chosen door every time. And would have won 71 times (71.0%) if you switched every time.