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MatPlus.Net Forum General Blathy's monster is cooked-but where?
 
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(1) Posted by Rewan Demontay (Real Name: James Malcom) [Wednesday, Aug 5, 2020 18:28]

Blathy's monster is cooked-but where?


It should come as no suprise that Blathy's monster #292 is cooked, but where is the flaw in it?

(= 10+12 )



Tim Krabbe wrote, roughly translated from Dutch, this-"a mate in 292, which was later shown to be illegal (could not have arisen from the initial rank), and even worse, that White was able to mate in just 190 moves. -https://timkr.home.xs4all.nl/admag/lang1.htm

In an old Google Forum-https://groups.google.com/forum/#!msg/rec.games.chess.misc/7yQD4Z3QCxs/pH4JYZ6sibsJ-I found this bit by Anders Thulin-"Blathy's 292-mover (unless he created several) was cooked in 1903 or so in a prize cooking competition - it turned out to be a 180-mover instead."

I have found mention of a prize of 100 crowns to reduce the solution by at least 10 moves in the October, 1900 edition of the British Chess Magazine on page 422 that was a reprint of information from the April/May paper of Wiener Schachzeitung on page 95 of the Volume 3 edition. Looking at the Wiener source, as far as I can decipher, it said it would give any sent in solutions in the January 1, 1901 issue (the deadline was October 1, 1900), but I found no shorter solutions in the Volume 4 that has it.

British Magazine-https://books.google.com/booksid=GplJAAAAYAAJ&pg=PA472&lpg=PA472&dq=blathy+292+%22cook%22&source=bl&ots=7S7klUvGMZ&sig=ACfU3U13DsdRTYyS9LwrTbasLJMunoF4fQ&hl=en&sa=X&ved=2ahUKEwj3-u-mn53qAhVRZc0KHWirCLIQ6AEwAnoECAUQAQ#v=snippet&q=Blathy&f=false

Wiener 1900-https://books.google.com/books?id=vyQCAAAAYAAJ&q=winer#v=onepage&q=Bl%C3%A1thy&f=false

Wiener 1901-https://books.google.com/books?id=lRUKAAAAIAAJ&dq=editions:nRUq41-5TKwC&source=gbs_navlinks_s

But no where have I been able to find the actual short solution itself.

Who knows it, or more relevant research?

The only proposed and plausbile given shorter solution I've seen is this one in 179 moves, a little bit shorter than the number of moves the above mentioned 1903 cook had, by chess.com user by Ericacea- https://www.chess.com/blog/Ericacea/worlds-longest-chess-problem-shortened-a-bit- in which Black's h8 knight is captured on move 23 insted of move 137 as in Blathy's solution.

The Cook?-1. Qd7+ $1 Kb6 2. a5+ Ka7 3. Qd4+ Kb8 4. Qd8+ Ka7 5. Qb6+ Kb8 6. c3 Kc8 7. Qc5+ Kb8 8. Qe5+ Kc8 9. Qd5 Kc7 10. Qd7+ Kb8 11. Qd8+ Ka7 12. Qb6+ Kb8 13. e3 Kc8 14. Qc5+ Kb8 15. Qe5+ Kc8 16. Qd5 Kc7 17. Qd7+ Kb8 18. Qd8+ Ka7 19. Qb6+ Kb820. g3 Kc8 21. Qc5+ Kb8 22. Qe5+ Kc8 23. Qxh8 Kc7 24. Qe5+ Kc8 25. Qd5 Kb8 26. Qd8+ Ka7 27. Qb6+ Kb8 28. Ka3 Kc8 29. Qc5+ Kb8 30. Qe5+ Kc8 31. Qd5 Kc7 32. Qd7+ Kb8 33. Qd8+ Ka7 34. Qb6+ Kb8 35. Kb2 Kc8 36. Qc5+ Kb8 37. Qe5+ Kc8 38. Qd5 Kc7 39. Qd7+ Kb8 40. Qd8+ Ka7 41. Qb6+ Kb8 42. Kc2 Kc8 43. Qc5+ Kb8 44. Qe5+ Kc8 45. Qd5 Kc7 46. Qd7+ Kb8 47. Qd8+ Ka7 48. Qb6+ Kb8 49. Kd2 Kc8 50. Qc5+ Kb8 51. Qe5+ Kc8 52. Qd5 Kc7 53. Qd7+ Kb8 54. Qd8+ Ka7 55. Qb6+ Kb8 56. Ke2 Kc8 57. Qc5+ Kb8 58. Qe5+ Kc8 59. Qd5 Kc7 60. Qd7+ Kb8 61. Qd8+ Ka7 62. Qb6+ Kb8 63. Kf2 Kc8 64. Qc5+ Kb8 65. Qe5+ Kc8 66. Qd5 Kc7 67. Qd7+ Kb8 68. Qd8+ Ka7 69. Qb6+ Kb8 70. Kg2 Kc8 71. Qc5+ Kb8 72. Qe5+ Kc8 73. Qd5 Kc7 74. Qd7+ Kb8 75. Qd8+ Ka7 76. Qb6+ Kb8 77. h3 gxh3+ 78. Kxh3 Kc8 79. Qc5+ Kb8 80. Qe5+ Kc8 81. Qd5 Kc7 82. Qd7+ Kb8 83. Qd8+ Ka7 84. Qb6+ Kb8 85. g4 Kc8 86. Qc5+ Kb8 87. Qe5+ Kc8 88. Qd5 Kc7 89. Qd7+ Kb8 90. Qd8+ Ka7 91. Qb6+ Kb8 92. gxh5 gxh5 93. Kg2 Kc8 94. Qc5+ Kb8 95. Qe5+ Kc8 96. Qd5 Kc7 97. Qd7+ Kb8 98. Qd8+ Ka7 99. Qb6+ Kb8 100. Kf2 Kc8 101. Qc5+ Kb8 102. Qe5+ Kc8 103. Qd5 Kc7 104. Qd7+ Kb8 105. Qd8+ Ka7 106. Qb6+ Kb8 107. Ke2 Kc8 108. Qc5+ Kb8 109. Qe5+ Kc8 110. Qd5 Kc7 111. Qd7+ Kb8 112. Qd8+ Ka7 113. Qb6+ Kb8 114. Kd2 Kc8 115. Qc5+ Kb8 116. Qe5+ Kc8 117. Qd5 Kc7 118. Qd7+ Kb8 119. Qd8+ Ka7 120. Qb6+ Kb8 121. Kc2 Kc8 122. Qc5+ Kb8 123. Qe5+ Kc8 124. Qd5 Kc7 125. Qd7+ Kb8 126. Qd8+ Ka7 127. Qb6+ Kb8 128. Kb2 Kc8 129. Qc5+ Kb8 130. Qe5+ Kc8 131. Qd5 Kc7 132. Qd7+ Kb8 133. Qd8+ Ka7 134. Qb6+ Kb8 135. Ka3 Kc8 136. Qc5+ Kb8 137. Qe5+ Kc8 138. Qd5 Kc7 139. Qd7+ Kb8 140. Qd8+ Ka7 141. Qb6+ Kb8 142. Kb4 Kc8 143. Qc5+ Kb8 144. Kxc4 Qa7 145. Qxa7+ Kxa7 146. Kc5 b6+ 147. axb6+ Kb7 148. c4 a5 149. Kb5 a4 150. Kxa4 Kxb6 151. Kb4 Kc6 152. c5 Kd5 153. Kb5 Kxe6 154. Kc6 Kf7 155. Kd7 e5 156. c6 Ne7 157. c7 Nd5 158. c8=Q Nb6+ 159. Kd8 Nxc8 160. Kxc8 Ke8 161. Kc7 Ke7 162. Kc6 Ke6 163. Kc5 Ke7 164. Kd5 Kf7 165. Kxe5 Kg7 166. Kxe4 Kg6 167. Kf4 Kf7 168. Kf5 Kg7 169. e4 Kf7 170. g6+ Ke7 171. e5 Kf8 172. e6 Ke7 173. g7 Kd6 174. g8=Q Kc5 175. e7 Kd4 176. e8=Q Kc5 177. Qe5+ Kb4 178. Qgb8+ Kc4 179. Qbb5#
 
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MatPlus.Net Forum General Blathy's monster is cooked-but where?