Die Schwalbe

5 problem(s) found in 4690 milliseconds (displaying 5 problem(s)). [COMMENTDATE>=20200919 AND NOT CPLUS AND A='Heer, Joost'] [download as LaTeX]

1 - P1102379
Joost de Heer
C0326 StrateGems 04-06/2010
P1102379
(6+7) cooked
ser-s#24
1. gxf8=T 2. Txf7 3. Tb7 4. f7 5. f8=T 6. Tf6 7. Tfb6 8. f6 9. f7 10. f8=T 11. Tf5 12. Txa5 13. f5 14. f6 15. f7 16. f8=T 17. Tf3 18. Tc3 19. f4 20. f5 21. f6 22. f7 23. f8=T 24. Tf2 Txa5#
play all play one stop play next play all
Cook: 1. Kb5 2. gxf8=T 3. Txf7 4. Ta7 5. Ta6 6. f7 7. f8=T 8. Tff6 9. Tfc6 10. f6 11. f7 12. f8=T 13. Td8 14. Td2 15. f5 16. f6 17. f7 18. f8=T 19. Tf3 20. Tc3 Tb4#
Joost de Heer: 1. gxf8=R 2. Rxf7 3. Rb7 5. f8=R 7. Rfb6 10. f8=R 12. Rxa5 16. f8=R 18. Rc3 23. f8=R 24. Rf2 Rxa5#

5 rook-promotions on the same square, zugzwang-selfmate. (2010-04-05)
SBD: Nice direct return of the f2 pawn as a rook to f2. (2010-04-06)
Joost de Heer: Cooked by Wilfried Seehofer, correction will appear in next SG. (2010-04-25)
Joost de Heer: Correction never appeared, as far as I know:

bPc4 to d4, -bSb3, +bBc3, solution unchanged (apart from 18. Rd3) (2012-07-31)
Joost de Heer: The correction is also cooked with a mate with the white king on a1. (2023-01-10)
comment
Keywords: Seriesmover, konsekutive Umwandlungen 5 (TTTTT)
Genre: Fairies
FEN: 5n2/5pP1/K4P2/p4P2/r1p2P2/kn6/5P2/8
Input: Frank Müller, 2010-04-02
Last update: Mario Richter, 2023-01-11 more...
2 - P1240553
Joost de Heer
F287 Probleemblad 11-12/2001
P1240553
(6+9)
ser-h=12
1. axb1=L 2. f1=D 3. Df7 4. exd1=S 5. Sb2 6. d1=T 7. Td6 8. Txa6 9. Ta1 10. Ka3 11. Da2 12. b3 g3=
play all play one stop play next play all
Anton Baumann: C+ Gustav 4.2a (2022-03-03)
comment
Keywords: Seriesmover, Allumwandlung
Genre: Fairies
FEN: 8/8/R7/1K6/1p4p1/1kp5/p1ppppP1/1RBB4
Input: Erich Bartel, 2012-06-03
Last update: Alfred Pfeiffer, 2017-08-10 more...
3 - P1242069
Joost de Heer
C0037 StrateGems (20) 10-12/2002
5. Lob
Richter: Jeremy Morse
P1242069
(3+9)
ser-h=16
1. f1=S 2. h1=D 3. Dxg2 4. Df2 5. g2 6. g1=T 7. Tg2 8. Sd2 9. Sc4 10. Sa3 11. Ka2 12. b1=L 13. Db2 14. Da1 15. Tb2 16. c2+ Kc1=
play all play one stop play next play all
Anton Baumann: C+ Gustav 4.2a (2021-12-28)
comment
Keywords: Seriesmover, Allumwandlung
Genre: Fairies
FEN: 8/8/8/p7/Rp6/1pp3p1/1p3pPp/1k1K4
Input: Erich Bartel, 2012-06-17
Last update: Alfred Pfeiffer, 2017-08-10 more...
4 - P1378638
Joost de Heer
MatPlus.net Forum 25/07/2020
P1378638
(4+5)
Unknown Russian composer
Promotion to king or queen, depending on location (-:
#1
Joost de Heer: In russian draughts, a piece promoting to a draughts king may continue the capture as a king if possible.
Solution: 1. e7# (double check by e7xd8=DKxb6xf2/g1 and e7xf8=DKxh6xd2/c1). (2022-01-19)
comment
Keywords: Draughts / Checkers (Russian), Joke, Joke promotion (DR)
Pieces: ku = Draughts King (DK)
Genre: Fairies
FEN: 3n1n2/2p3p1/4P3/8/8/4kP2/4P3/3K4
Input: A.Buchanan, 2020-07-31
Last update: A.Buchanan, 2023-08-11 more...
5 - P1379460
Joost de Heer
F190 Problemesis 35 2003
P1379460
(6+4) cooked
ser-!=24
1. b3 2. e7 3. exf8=S 4. Se6 5. Sd8 6. c8=D 7. Dxc3 8. Dh8 9. c4 10. b4 11. b5 12. b6 13. b7 14. b8=T 15. Tb7 16. Tg7 17. Sf7 18. c5 19. c6 20. c7 21. c8=L 22. Lf5 23. Lh7 24. g6!=
play all play one stop play next play all
Cook: 1. b4 2. b5 3. b6 4. b7 5. b8=S 6. Sc6 7. Sd8 8. c8=T 9. Txc3 10. Tc7 11. c4 12. c5 13. c6 14. Tg7 15. c7 16. c8=L 17. Sf7 18. e7 19. exf8=S 20. Lf5 21. Lh7 22. Sg6 23. Sgh8 24. g6!=
1. bxc3 2. c4 3. c5 4. c4 5. c6 6. e7 7. exf8=S 8. Se6 9. Sd8 10. c8=D 11. c7 12. Dh3 13. Dh8 14. c8=T 15. Tc7 16. Tg7 17. Sf7 18. c5 19. c6 20. c7 21. c8=L 22. Lf5 23. Lh7 24. g6!=
Joost de Heer: Vaclav, is this correct with b2 on b3 and ser-!=23? I wanted to add the first move to get an extra unpin. (2020-10-01)
Vaclav Kotesovec: This version Pb2-b3, ser-!=23 is C+, Gustav 4.2c 64 Bit (Lösezeit: 23 : 19 : 40,60 h, Hashtables: 120000 MB) (2023-02-12)
Joost de Heer: Thanks for testing this, Vaclav! (2023-02-12)
more ...
comment
Keywords: Seriesmover, Allumwandlung
Genre: Fairies
Computer test: V. Kotesovec: cooks found by Gustav 4.1 d 64 Bit (Lösezeit: 08 : 11 : 56 : 47,12 d, Hashtables: 53247 MB)
FEN: 4knK1/2P5/4P3/6P1/8/2b5/bPP5/8
Input: Vaclav Kotesovec, 2020-08-29
Last update: Vaclav Kotesovec, 2023-02-13 more...
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The problems of this query have been registered by the following contributors:

Frank Müller (1)
Erich Bartel (2)
A.Buchanan (1)
Vaclav Kotesovec (1)