Hobacle wrote: ↑Fri Jul 30, 2021 12:49 pmCongratulations! You solved it!Spliffjiffer wrote: ↑Fri Jul 30, 2021 11:20 am Jesus Christ, this puzzle is absolutely amazing Hobacle !!!
congratulations that you were able to create such a masterpiece, just breathtaking !
a tip: without your tip i wouldnt have solved this...i still dont understand it honestly
so far only the solution with a Crytal 3.1 output after a short backtrack of my mainline:
[pgn]
[Event "?"]
[Site "?"]
[Date "2021.07.28"]
[Round "?"]
[White "Hobacle"]
[Black "Juli"]
[Result "0-1"]
[SetUp "1"]
[FEN "8/2p1r1P1/P1Pp1K2/b1pP4/1qBp2p1/3P1pPp/3N1P1B/k5BN b - -"]
1. ... Qxd2 2. Kxe7 Qg5+ 3. Kf7 Qf5+ 4. Ke7 Qg6 5. Kf8 Qf6+ 6. Kg8 Bb6 7.
Kh7 Qf7 8. Kh8 Qh5+ 9. Kg8 Ba7 10. Kf8 Qf5+ 11. Ke7 Qg6 12. Kf8 Qf6+ 13.
Kg8 Bb8 14. Kh7 Qf7 15. Kh8 Qh5+ 16. Kg8 Kb2 17. Kf8 Qf5+ 18. Ke7 Qg6 19.
Kf8 Qf6+ 20. Kg8 Kb1 21. Kh7 Qf7 22. Kh8 Qh5+ 23. Kg8 Kc1 24. Kf8 Qf5+ 25.
Ke7 Qg6 26. Kf8 Qf6+ 27. Kg8 Kd1 28. Kh7 Qf7 29. Kh8 Qh5+ 30. Kg8 Ke1 31.
Kf8 Qf5+ 32. Ke7 Qg6 33. Kf8 Qf6+ 34. Kg8 Kf1 35. Kh7 Qf7 36. Kh8 Qh5+ 37.
Kg8 Kg2 38. Kf8 Qf5+ 39. Ke7 Qg6 40. Kf8 Qf6+ 41. Kg8 Kxh1 42. Kh7 Qf7 43.
Kh8 Qh5+ 44. Kg8 Kg2 45. Kf8 Qf5+ 46. Ke7 Qg6 47. Kf8 Qf6+ 48. Kg8 Kf1 49.
Kh7 Qf7 50. Kh8 Qh5+ 51. Kg8 Ke1 52. Kf8 Qf5+ 53. Ke7 Qg6 54. Kf8 Qf6+ 55.
Kg8 Kd2 56. Kh7 Qf7 57. Kh8 Qh5+ 58. Kg8 Kc3 59. Kf8 Qf5+ 60. Ke7 Qg6 61.
Kf8 Qf6+ 62. Kg8 Kb4 63. Kh7 Qf7 64. Kh8 Qh5+ 65. Kg8 Ka5 66. Kf8 Qf5+ 67.
Ke7 Qg6 68. Kf8 Qf6+ 69. Kg8 Kb6 70. Kh7 Qf7 71. Kh8 Qh5+ 72. Kg8 Ka7 73.
Kf8 Qf5+ 74. Ke7 Qg6 75. Kf8 Qf6+ 76. Kg8 Ka8 77. Kh7 Qf7 78. Kh8 Qh5+ 79.
Kg8 Ba7 80. Kf8 Qf5+ 81. Ke7 Qg6 82. Kf8 Qf6+ 83. Kg8 Bb6 84. Kh7 Qf7 85.
Kh8 Qh5+ 86. Kg8 Ba5 87. Kf8 Qh6 88. Kf7 Qh7 89. Kf8 Bd2 90. g8=N
Bg5 91. Bb5 Ka7 92. Bc4 Kb6 93. Bb5 Kxb5 94. a7 Qf5+ 95. Kg7 Qc8 96. Nf6 Bxf6+ 97. Kxf6 c4 98. dxc4+ Kxc4 99. Kg5 d3
100. Kf4 d2 101. a8=Q Qxa8 102. Kxg4 d1=Q 103. Kf5 Qxd5+ 104. Kf4 Qe8 105.
Kg4 Qg6+ 106. Kxh3 Qgh5# 0-1
[/pgn]
Here is my solution:
[pgn][Event ""]
[Site ""]
[Date "2021.07.28"]
[Round "?"]
[White ""]
[Black ""]
[Result "0-1"]
[FEN "8/2p1r1P1/P1Pp1K2/b1pP4/1qBp2p1/3P1pPp/3N1P1B/k5BN b - - 0 1"]
[SetUp "1"]
1... Qxd2 $3 (1... Re8 $2 2. Ne4 $11 (2. Kf7 $2 2... Qxd2 3. Kxe8 Qg5)) (1...
Rxg7 $2 2. Kxg7 Qxd2 3. Kg6 $11) 2. Kxe7 (2. g8=Q Re5 3. Qg6 Bb6 4. Kf7 Qg5 5.
Qxg5 Rxg5 6. Ke7 (6. Kf6 Re5 $19) 6... Kb1 7. Kd7 Rg8 8. Ke7 Kc1 9. Kf7 Rg5 10.
Ke7 Kd1 11. Kd7 Rg8 12. Ke7 Ke1 13. Kf7 Rg5 14. Ke7 Kf1 15. Kd7 Rg8 16. Ke7 Kg2
17. Kf7 Rg5 18. Ke7 Kxh1 19. Kd7 Rg8 20. Ke7 Kg2 21. Kf7 Rg5 22. Ke7 Re5+ 23.
Kd7 Re1 24. Kc8 Rxg1 $19) 2... Qg5+ 3. Kf7 (3. Kd7 Qxg7+ 4. Kc8 Bb6 5. Kb7 Kb2
6. a7 Bxa7 7. Kxa7 Kc3 8. Kb7 Qe7 9. Kc8 Kb4 10. Kb7 Ka5 11. Ka7 Qe1 12. Kb7
Qe2 13. Ba6 (13. Kc8 Kb6 14. Kd8 Qe5 15. Kd7 Qf6 16. Ke8 Qg7 17. Kd8 Qf7 18.
Ba2 Qf6+ 19. Kd7 Qf5+ 20. Ke7 Qxd3 21. Kf6 Qc2 22. Kg5 d3 23. Kxg4 d2 24. Bb3
Qxb3 25. Kg5 d1=Q 26. g4 Qd2+ 27. Bf4 Qbxd5+ 28. Kh4 Qxf4 29. Ng3 Qdd4 30. Kxh3
Qxg4+ 31. Kh2 Qh4#) 13... Qb2+ $19) 3... Qf5+ 4. Ke7 Qg6 (4... Qc8 $2 5. a7 Bd2
6. Kf7 Qf5+ 7. Ke7 $11) 5. Kf8 Qf6+ (5... Bd2 $2 6. a7 Qf5+ 7. Ke7 Qc8 8. Kf7
$11) 6. Kg8 Bb6 (6... Bd2 $4 7. a7 $18) 7. Kh7 (7. a7 Bxa7 8. Ba6 Bb6 9. Kh7
Qf7 10. Kh8 (10. Bc8 c4 $19) 10... Qh5+ 11. Kg8 Qxd5+ $19) (7. Bb3 Kb2 8. Bd1
c4 $19) 7... Qf7 8. Kh8 (8. Kh6 Kb2 9. Kg5 Qxg7+ 10. Kf5 Kc3 $19) (8. Bb3 Kb2
9. Bd1 c4 $19) 8... Qh5+ 9. Kg8 Kb2 10. Kf8 Qf5+ 11. Ke7 Qg6 12. Kf8 Qf6+ 13.
Kg8 Kc3 14. Kh7 Qf7 15. Kh8 Qh5+ 16. Kg8 Ba7 17. Kf8 Qf5+ 18. Ke7 Qg6 19. Kf8
Qf6+ 20. Kg8 Bb8 21. Kh7 Qf7 22. Kh8 Qh5+ 23. Kg8 Kd2 $3 (23... Kb4 $2 24. Kf8
Qf5+ 25. Ke7 Qg6 26. Kf8 Qf6+ 27. Kg8 Ka5 28. Kh7 (28. Bb3 $2 28... Kxa6 29.
Bd1 c4 $19) 28... Qf7 29. Kh8 Qh5+ 30. Kg8 Kb6 31. Kf8 (31. Bb3 $2 31... Kxa6
32. Bd1 c4 $19) 31... Qf5+ 32. Ke7 Qg6 33. Kf8 Qf6+ 34. Kg8 Ka7 35. Kh7 Qf7 36.
Kh8 Qh5+ 37. Kg8 Ka8 38. Kf8 Qf5+ 39. Ke7 Qg6 40. Kf8 Qf6+ 41. Kg8 Ba7 42. Kh7
Qf7 43. Kh8 Qh5+ 44. Kg8 Kb8 (44... Bb6 45. Kf8 Qf5+ 46. Ke7 Qg6 47. Kf8 Qf6+
48. Kg8 Ba5 49. Kh7 Qf7 50. Kh8 Qh5+ 51. Kg8 Bd2 52. Kf8 $11) 45. Kf8 Qf5+ 46.
Ke7 Qg6 47. Kf8 Qf6+ 48. Kg8 Kc8 49. Kh7 Qf7 50. Kh8 {(50.Kh6 can make DTZ
longer but not necessary)} 50... Qh5+ 51. Kg8 Kd8 52. Kf8 $11 {50}) 24. Kf8 Qf5+
25. Ke7 Qg6 26. Kf8 Qf6+ 27. Kg8 Ke1 28. Kh7 Qf7 29. Kh8 Qh5+ 30. Kg8 Kf1 31.
Kf8 Qf5+ 32. Ke7 Qg6 33. Kf8 Qf6+ 34. Kg8 Kg2 35. Kh7 Qf7 36. Kh8 Qh5+ 37. Kg8
Qh6 $3 (37... Kxh1 $2 38. Kf8 Qf5+ 39. Ke7 Qg6 40. Kf8 Qf6+ 41. Kg8 Kg2 (41...
Qh6 42. Kf7 Qc1 $2 43. g8=Q Qxg1 44. Bxg1 Kxg1 45. Qxb8 Kxf2 46. a7 h2 47. Qb1
Kg2 48. a8=Q h1=Q 49. Qaa2+ f2 50. Qxf2+ $18) (41... Qe7 42. Kh8 Qe1 $2 43.
g8=Q Qxg1 44. Bxg1 Kxg1 45. Qxb8 Kxf2 46. a7 h2 47. a8=Q h1=Q+ 48. Kg8 Kg2 49.
Qxc7 f2 50. Qg7 f1=Q 51. c7 $18) 42. Kh7 Qf7 43. Kh8 Qh5+ 44. Kg8 Kf1 45. Kf8
Qf5+ 46. Ke7 Qg6 47. Kf8 Qf6+ 48. Kg8 Ke1 49. Kh7 Qf7 50. Kh8 Qh5+ 51. Kg8 Kd2
52. Kf8 Qf5+ 53. Ke8 Qg6+ (53... Qxd3 $2 54. Bxd3 Kxd3 55. g8=Q c4 56. Qxg4 c3
57. Qxf3+ Kd2 58. Qf4+ $18) 54. Kf8 Qf6+ 55. Kg8 Kc3 56. Kh7 Qf7 57. Kh8 Qh5+
58. Kg8 Kb4 59. Kf8 Qf5+ 60. Ke8 Qg6+ 61. Kf8 Qf6+ 62. Kg8 Ka5 63. Kh7 Qf7 64.
Kh8 Qh5+ 65. Kg8 Kb6 66. Kf8 Qf5+ 67. Ke7 Qg6 68. Kf8 Qf6+ 69. Kg8 Ka7 70. Kh7
Qf7 71. Kh8 Qh5+ 72. Kg8 Ka8 73. Kf8 Qf5+ 74. Ke7 Qg6 75. Kf8 Qf6+ 76. Kg8 Ba7
77. Kh7 Qf7 78. Kh8 Qh5+ 79. Kg8 Kb8 (79... Bb6 80. Kf8 Qf5+ 81. Ke7 Qg6 82.
Kf8 Qf6+ 83. Kg8 Ba5 84. Kh7 Qf7 85. Kh8 Qh5+ 86. Kg8 Bd2 (86... Be1 87. Kf8
Bxf2 $2 88. g8=Q $18) 87. Kf8 Bh6 $11) 80. Kf8 Qf5+ 81. Ke7 Qg6 82. Kf8 Qf6+
83. Kg8 Kc8 84. Kh7 Qf7 85. Kh6 $1 (85. Kh8 $2 85... Qh5+ 86. Kg8 Kd8 87. Bb5
c4 $19 {49.5}) 85... Kd8 86. Kh7 Qh5+ 87. Kg8 Ke8 $11 {50}) 38. Kf7 Qh7 39. Kf8
Qf5+ 40. Ke7 Qg6 41. Kf8 Qf6+ 42. Kg8 Kxh1 43. Kh7 Qf7 44. Kh8 Qh5+ 45. Kg8 Kg2
46. Kf8 Qf5+ 47. Ke7 Qg6 48. Kf8 Qf6+ 49. Kg8 Kf1 50. Kh7 Qf7 51. Kh8 Qh5+ 52.
Kg8 Ke1 53. Kf8 Qf5+ 54. Ke7 Qg6 55. Kf8 Qf6+ 56. Kg8 Kd2 57. Kh7 Qf7 58. Kh8
Qh5+ 59. Kg8 Kc3 60. Kf8 Qf5+ 61. Ke7 Qg6 62. Kf8 Qf6+ 63. Kg8 Kb4 64. Kh7 Qf7
65. Kh8 Qh5+ 66. Kg8 Ka5 67. Kf8 Qf5+ 68. Ke7 Qg6 69. Kf8 Qf6+ 70. Kg8 Kb6 71.
Kh7 Qf7 72. Kh8 Qh5+ 73. Kg8 Ka7 74. Kf8 Qf5+ 75. Ke7 Qg6 76. Kf8 Qf6+ 77. Kg8
Ka8 78. Kh7 Qf7 79. Kh8 Qh5+ 80. Kg8 Ba7 81. Kf8 Qf5+ 82. Ke7 Qg6 83. Kf8 Qf6+
84. Kg8 Bb6 $1 (84... Kb8 $2 85. Kh7 Qf7 86. Kh8 Qh5+ 87. Kg8 Kc8 88. Kf8 Qf5+
89. Ke7 Qg6 90. Kf8 Qf6+ 91. Kg8 Kd8 92. Kh7 Qf7 $11 {50}) 85. Kh7 Qf7 86. Kh8
Qh5+ 87. Kg8 Ba5 88. Kf8 Qf5+ 89. Ke7 Qg6 90. Kf8 Bd2 91. g8=N (91. Kg8 Bh6 92.
Kf8 Qxg7+ $19 {49.5!!!}) 91... Bg5 92. Bc4 Kb6 93. Bb5 Kxb5 94. a7 Qf5+ 95. Kg7 Qc8 96. Nf6 Bxf6+ 97. Kxf6 c4 98. dxc4+ Kxc4 99. Kg5 d3
100. Kf4 d2 101. a8=Q Qxa8 102. Kxg4 d1=Q 103. Kf5 Qxd5+ 104. Kf4 Qe8 105.
Kg4 Qg6+ 106. Kxh3 Qgh5# 0-1
[/pgn]
And I have a question, did you find 20...Kb1!!(equivalent is 37...Qh6!! in my line) on your own?
hello Hobacle,
i did find the triangulation completely by my own but everything after the king reached a8 everything was made by corechess.engine in the beginning and later i checked it with Crystal separately....we can say that i solved it until Ka8...and everything after that is pure computer-analysis...originally i took a deep thought when my king reached g2 (to take on h1...due to your tip of course)...i thought: what the hell else can i do than taking the knight...conclusion:nothing...so i thought about 5-10 minutes to optimize the move-count and and had the idea that it should be shorter if the black king would be on the h/g-complex because on the other side (e/f/g-complex) i need more time to get him to g8...so i took my moves back until king reached e1 and made the triangulation there(e2)...its the same of course (we can make the triangulation wherever we want to)....i needed about 1- 2 min to reach the position where the king is on a8 finally and switched on the engine...the rest u know already