3 problem(s) found in 2415 milliseconds (displaying 3 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND S='Probleemblad' AND K='50-Züge-Regel'] [download as LaTeX]
R: 1. Lb1-a2 Kb2-a3 2. Tb4-b6 Ka3-b2 3. Tb6-a6 Kb2-a3 4. Ta4-b4 Kc1-b2 5. Tb4-b6 Kd1-c1 6. Ta2-a4 Kc1-d1 7. Ta4-b4 Kd1-c1 8. Tb2-a2 Ke1-d1 9. La2-b1 Ke2-e1 10. Tb1-b2 Ta6-a7 11. Th1-b1 Tb6-a6 12. Lb1-a2 Ta6-b6 13. Ta2-a4 Ta7-a6 14. Tb2-a2 Ta6-a7 15. La2-b1 Tb6-a6 16. Tb1-b2 Tb4-b6 17. Tc1-b1 Ta4-b4 18. Lb1-a2 Ta2-a4 19. Td1-c1 Tb2-a2 20. La2-b1 Tb1-b2 21. Tf1-d1 Te1-b1 22. Tg1-f1 Kd1-e2 23. Tf1-g1 Kc1-d1 24. Tg1-h1 Td1-e1 25. Te1-f1 Kb2-c1 26. Te6-e1 Te1-d1 27. Th1-g1 Te4-e1 28. Te1-h1 Kc1-b2 29. Te3-e1+ Kd1-c1 30. Kg8-h8 Ke1-d1 31. Td3-e3+ Kf1-e1 32. Kf8-g8 Kg1-f1 33. Ke8-f8 Te1-e4 34. Te3-d3 Tf1-e1 35. Te1-e3 Kh1-g1 36. Tb1-e1 Tc1-f1 37. Tb2-b1 Td1-c1 38. Lb1-a2 Kg1-h1 39. Ta2-b2 Tc1-d1 40. Ta4-a2 Td1-c1 41. Tb4-a4 Tc1-d1 42. Tb6-b4 Td1-c1 43. Ta6-b6 Tc1-d1 44. Ta8-a6 Tf1-c1 45. Td8-a8 Tc8-c7 46. Te5-e6 Ta8-c8 47. Tc8-d8 Tb8-a8 48. Kd8-e8 Ta8-b8 49. Kc7-d8 Tb8-a8 50. Kb6-c7 Ta8-b8 51. Kb5-b6 c7-c6+
Cook: (Henrik Juel):
R: 1. Lb1-a2 Kb2-a3 2. Tb4-b6 Ka3-b2 3. Tb6-a6 Kb2-a3 4. Ta4-b4 Kc1-b2 5. Ta2-a4 Kd1-c1 6. Tb2-a2 Ke1-d1 7. La2-b1 Ke2-e1 8. Tb1-b2 Ta6-a7 9. Th1-b1 Ta7-a6 10. Lb1-a2 Ta6-a7 11. Tb4-b6 Ta7-a6 12. Ta4-b4 Ta6-a7 13. Ta2-a4 Ta7-a6 14. Tb2-a2 Ta6-a7 15. La2-b1 Tb6-a6 16. Tb1-b2 Tb4-b6 17. Td1-b1 Ta4-b4 18. Lb1-a2 Ta2-a4 19. Tg1-d1 Tb2-a2 20. La2-b1 Tb1-b2 21. Kg8-h8 Te1-b1 22. Kh8-g8 Kd1-e2 23. Kg8-h8 Kc1-d1 24. Kf8-g8 Td1-e1 25. Te1-g1 Kb2-c1 26. Te5-e1 Tb1-d1 27. Te1-h1 Kc1-b2 28. Te3-e1+ Kd1-c1 29. Td5-e5 Ke1-d1 30. Tc3-e3+ Kf1-e1 31. Ke8-f8 Kg1-f1 32. Te3-c3 Tf1-b1 33. Te1-e3 Kh1-g1 34. Tb1-e1 Kg1-h1 35. Tb2-b1 Kh1-g1 36. Lb1-a2 Kg1-h1 37. Ta2-b2 Kh1-g1 38. Ta4-a2 Kg1-h1 39. Tb4-a4 Kh1-g1 40. Tb6-b4 Kg1-h1 41. Ta6-b6 Kh1-g1 42. Ta8-a6 Kg1-h1 43. Td8-a8 Tc8-c7 44. Te5-d5 Ta8-c8 45. Tc8-d8 Kh1-g1 46. Kd8-e8 Kg1-h1 47. Kc7-d8 Kh1-g1 48. Kb6-c7 Kg1-h1 49. Kb5-b6 c7-c6+ 50. La2-b1
Cook: (Henrik Juel):
R: 1. Lb1-a2 Kb2-a3 2. Tb4-b6 Ka3-b2 3. Tb6-a6 Kb2-a3 4. Ta4-b4 Kc1-b2 5. Ta2-a4 Kd1-c1 6. Tb2-a2 Ke1-d1 7. La2-b1 Ke2-e1 8. Tb1-b2 Ta6-a7 9. Th1-b1 Ta7-a6 10. Lb1-a2 Ta6-a7 11. Tb4-b6 Ta7-a6 12. Ta4-b4 Ta6-a7 13. Ta2-a4 Ta7-a6 14. Tb2-a2 Ta6-a7 15. La2-b1 Tb6-a6 16. Tb1-b2 Tb4-b6 17. Td1-b1 Ta4-b4 18. Lb1-a2 Ta2-a4 19. Tg1-d1 Tb2-a2 20. La2-b1 Tb1-b2 21. Kg8-h8 Te1-b1 22. Kh8-g8 Kd1-e2 23. Kg8-h8 Kc1-d1 24. Kf8-g8 Td1-e1 25. Te1-g1 Kb2-c1 26. Te5-e1 Tb1-d1 27. Te1-h1 Kc1-b2 28. Te3-e1+ Kd1-c1 29. Td5-e5 Ke1-d1 30. Tc3-e3+ Kf1-e1 31. Ke8-f8 Kg1-f1 32. Te3-c3 Tf1-b1 33. Te1-e3 Kh1-g1 34. Tb1-e1 Kg1-h1 35. Tb2-b1 Kh1-g1 36. Lb1-a2 Kg1-h1 37. Ta2-b2 Kh1-g1 38. Ta4-a2 Kg1-h1 39. Tb4-a4 Kh1-g1 40. Tb6-b4 Kg1-h1 41. Ta6-b6 Kh1-g1 42. Ta8-a6 Kg1-h1 43. Td8-a8 Tc8-c7 44. Te5-d5 Ta8-c8 45. Tc8-d8 Kh1-g1 46. Kd8-e8 Kg1-h1 47. Kc7-d8 Kh1-g1 48. Kb6-c7 Kg1-h1 49. Kb5-b6 c7-c6+ 50. La2-b1
Keywords: 50 move rule
Genre: Retro
FEN: 7K/rprppppp/RRp5/N1p5/2P5/kP3P2/B1PP1PPP/N7
Input: Gerd Wilts, 2000-08-13
Last update: Mario Richter, 2022-03-22 more...
Genre: Retro
FEN: 7K/rprppppp/RRp5/N1p5/2P5/kP3P2/B1PP1PPP/N7
Input: Gerd Wilts, 2000-08-13
Last update: Mario Richter, 2022-03-22 more...
1. cxb6 d6 2. bxc5 Txb8#
1. La7 Lxa7 2. 0-0-0? Tb8#
Castling is impossible because, if black can still castle, the diagram position is draw due to the 50-move rule!
White captures: axb, bxc, exf. Black captures: hxg, gxf, exd, dxc. Promotions: a1=T, b1=T, h8=X. The position can only be unblocked by unpromoting White piece on h8. This can only be wRb5. wK must go to c6 to unpin wR. The journey is via g3, h2, e1, b2, & a3.The 50 white moves are: 34 by wK (screens on c8 [with careful step on a2 to let bB pass] then g8), 11 by wB6 (to e3 to exchange place with bB then screen on a7), 3 by wR (promotion on h8), 2 by wBa4.
1. La7 Lxa7 2. 0-0-0? Tb8#
Castling is impossible because, if black can still castle, the diagram position is draw due to the 50-move rule!
White captures: axb, bxc, exf. Black captures: hxg, gxf, exd, dxc. Promotions: a1=T, b1=T, h8=X. The position can only be unblocked by unpromoting White piece on h8. This can only be wRb5. wK must go to c6 to unpin wR. The journey is via g3, h2, e1, b2, & a3.The 50 white moves are: 34 by wK (screens on c8 [with careful step on a2 to let bB pass] then g8), 11 by wB6 (to e3 to exchange place with bB then screen on a7), 3 by wR (promotion on h8), 2 by wBa4.
Keywords: Non-standard material (tt), 50 move rule, Cant Castler
Genre: Retro, h#
Computer test: Popeye WINDOWS-32Bit-Version 3.65 (2048 KB) Popeye 4.61 (also)
FEN: rb2k3/2p2p1K/1B6/1RPP1PP1/B1Prbrp1/1Prp1p2/2p2P2/N7
Reprints: Probleemblad , p. 220-227, 12/2010
Input: Gerd Wilts, 2001-02-11
Last update: A.Buchanan, 2020-10-10 more...
Genre: Retro, h#
Computer test: Popeye WINDOWS-32Bit-Version 3.65 (2048 KB) Popeye 4.61 (also)
FEN: rb2k3/2p2p1K/1B6/1RPP1PP1/B1Prbrp1/1Prp1p2/2p2P2/N7
Reprints: Probleemblad , p. 220-227, 12/2010
Input: Gerd Wilts, 2001-02-11
Last update: A.Buchanan, 2020-10-10 more...
Cook: R: 1. Lb1-a2 Db5-b6 2. Ta2-a3 Ka3-b4 3. Rb2-a2 Db4-b5 4. La2-b1 Dc3-b4 5. Tb1-b2 Kb2-a3 6. Th1-b1 Dd3-c3 7. Tb6-a6 Df1-d3 8. Tb4-b6 Kc1-b2 9. Ta4-b4 Kd1-c1 10. Lb1-a2 Ke2-d1 -11.Ra2-a4 Ra6-a7 -12.Rb2-a2 Rb6-a6 -13.Ba2-b1 Rb4-b6 -14.Rb1-b2 Dg1-f1 -15.Rf1-b1 Ra4-b4 -16.Bb1-a2 Ra2-a4 17.Kg8-h8 Rb2-a2 -18.Ba2-b1 Rb1-b2 -19.Kf8-g8 Re1-b1 -20.Ke8-f8 Kd1-e2 -21.Bb1-a2 Kc1-d1 -22.Ba2-b1 Kb2-c1 -23.Bb1-a2 Re2-e1 -24.Rd1-f1 Re1-e2 -25.Rc1-d1 Df1-g1 -26.Rd1-c1 De2-f1 -27.Rc1-d1 Rg1-e1 28.Rf1-c1 De1-e2 -29.Kf8-e8 Kc1-b2 -30.Ba2-b1 Kd1-c1 -31.Ke8-f8 Ke2-d1 -32.Kf8-e8 Db1-e1 -33.Ke8-f8 Db2-b1 -34.Rb1-f1 Df6-b2 -35.Rb2-b1 Dg5-f6 -36.Bb1-a2 Dh5-g5 -37.Ra2-b2 Dg5-h5 -38.Ra4-a2 Dh5-g5 -39.Rb4-a4 Dg5-h5 -40.Rb6-b4 Df5-g5 -41.Ra6-b6 Dg5-f5 -42.Ra8-a6 Dh5-g5 -43.Rd8-a8 Rc8-c7 -44.Ba2-b1 Ra8-c8 -45.Rb8-d8 Ra6-a8 -46.Kd8-e8 Rb6-a6 -47.Kc7-d8 Rb4-b6 -48.Kb6-c7 Ra4-b4 -49.Kb5-b6 c7-c6!
Keywords: 50 move rule
Genre: Retro
FEN: 7K/rprppppp/Rqp5/N1p5/1kP5/RP2P3/B1PP1PPP/N7
Input: Gerd Wilts, 2003-08-15
Last update: James Malcom, 2022-01-21 more...
Genre: Retro
FEN: 7K/rprppppp/Rqp5/N1p5/1kP5/RP2P3/B1PP1PPP/N7
Input: Gerd Wilts, 2003-08-15
Last update: James Malcom, 2022-01-21 more...
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The problems of this query have been registered by the following contributors:
Gerd Wilts (3)
TV: Cooked by H. Juel, who found a 49.5 move retraction. (2001-09-21)
James Malcom: What is the author's solution and the cook? (2022-01-21)
Henrik Juel: Thanks for providing the retroplays, Mario (2022-03-22)
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