13 problem(s) found in 4576 milliseconds (displaying 13 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND S='PDB Website' AND A='Malcom, James'] [download as LaTeX]
1. hxg8=sB! g7#
Keywords: Joke, Joke promotion, under-promotion (b)
Genre: s#
FEN: 6nk/7P/6PK/6PP/8/8/8/8
Input: James Malcom, 2020-04-14
Last update: James Malcom, 2020-06-02 more...
Genre: s#
FEN: 6nk/7P/6PK/6PP/8/8/8/8
Input: James Malcom, 2020-04-14
Last update: James Malcom, 2020-06-02 more...
1. dxc7ep! b4 2. c8=D,T#
R: 1. ... c8-c6?! and earlier c8=sB?!
Supersession of P1380851
Superseded by P1380851
The 2018 FIDE laws state: "3.7.2 on its first move the pawn may move as in 3.7.1 or alternatively it may advance two squares along the same file, provided that both squares are unoccupied."
Hence Black's newborn 8th rank pawn, which has never been moved before, reserves the right to commence a double-step on its first move, and likewise White receives the right to capture it en passant as they do with a 7th rank pawn.
R: 1. ... c8-c6?! and earlier c8=sB?!
Supersession of P1380851
Superseded by P1380851
The 2018 FIDE laws state: "3.7.2 on its first move the pawn may move as in 3.7.1 or alternatively it may advance two squares along the same file, provided that both squares are unoccupied."
Hence Black's newborn 8th rank pawn, which has never been moved before, reserves the right to commence a double-step on its first move, and likewise White receives the right to capture it en passant as they do with a 7th rank pawn.
Henrik Juel: This un-dummy-pawn is like a pawn created on c8 by the Einstein condition
The retroplay looks wrong, what about 1... d8-d6!? 2.d7-d8=sB!? c6xYb5 (2020-04-30)
James Malcom: That makes much more sense Henrik. I have edited it accordingly. (2020-04-30)
A.Buchanan: You don't like Adrian's (: haha? What about :) then? In heraldic terms, it would be described as "regardant". See 270 on https://www.heraldica.org/cgi-bin/atlas.pl?12. I don't know the word for "non-regardant", which is the default direction for the head, e.g. most of the others on that page.
We could replace wBa6a7 with wSa6, but alas having the 3rd knight is non-thematic & distracting. The other thing I would've liked to do is empty b2 so the promotion is forced to be to D. Such a tiny problem should have precision promotion. Needs more thinking. (2020-05-01)
James Malcom: UPDATE: The position has been edited to have one less piece and a precise queen promotion. (2020-10-12)
A.Buchanan: There is dialogue here which is now orphaned by a change of diagram with new matrix. Suggest we revert to the older diagram and mark it superseded by a new PDB entry here (2020-10-12)
James Malcom: I agree-it is now done. (2020-10-12)
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The retroplay looks wrong, what about 1... d8-d6!? 2.d7-d8=sB!? c6xYb5 (2020-04-30)
James Malcom: That makes much more sense Henrik. I have edited it accordingly. (2020-04-30)
A.Buchanan: You don't like Adrian's (: haha? What about :) then? In heraldic terms, it would be described as "regardant". See 270 on https://www.heraldica.org/cgi-bin/atlas.pl?12. I don't know the word for "non-regardant", which is the default direction for the head, e.g. most of the others on that page.
We could replace wBa6a7 with wSa6, but alas having the 3rd knight is non-thematic & distracting. The other thing I would've liked to do is empty b2 so the promotion is forced to be to D. Such a tiny problem should have precision promotion. Needs more thinking. (2020-05-01)
James Malcom: UPDATE: The position has been edited to have one less piece and a precise queen promotion. (2020-10-12)
A.Buchanan: There is dialogue here which is now orphaned by a change of diagram with new matrix. Suggest we revert to the older diagram and mark it superseded by a new PDB entry here (2020-10-12)
James Malcom: I agree-it is now done. (2020-10-12)
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Keywords: En passant as key, Joke, Joke promotion (b), Tolerated dual promotion (D/T), Promotion (D/T), Superseded by (P1380851)
Genre: 2#, Retro
FEN: k7/PN1N4/PKpP4/1p6/8/8/8/8
Input: James Malcom, 2020-04-30
Last update: A.Buchanan, 2022-09-18 more...
Genre: 2#, Retro
FEN: k7/PN1N4/PKpP4/1p6/8/8/8/8
Input: James Malcom, 2020-04-30
Last update: A.Buchanan, 2022-09-18 more...
1. cxb8=sT! Ta8 2. c7 Tb8,Lb8 3. cxb8=sT#
1. ... bxc6? 2. Dxc6#!
An old idea of mine finally realized between 12:00 PM and 1:00 PM. Dedicated to Gerd Wilts for his initiation of the update that allows promotion to foreign pieces.
1. ... bxc6? 2. Dxc6#!
An old idea of mine finally realized between 12:00 PM and 1:00 PM. Dedicated to Gerd Wilts for his initiation of the update that allows promotion to foreign pieces.
Henrik Juel: 1:00 AM, I guess
With 24 hour notation, between 24 and 01 (2022-02-26)
Henrik Juel: Nice double white promotion to sT (2022-02-26)
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With 24 hour notation, between 24 and 01 (2022-02-26)
Henrik Juel: Nice double white promotion to sT (2022-02-26)
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Keywords: Joke, Joke promotion (tt)
Genre: 3#
FEN: 1qk1K3/bpP5/1pP1N3/1P6/2Q5/8/8/8
Input: James Malcom, 2020-05-03
Last update: James Malcom, 2022-02-26 more...
Genre: 3#
FEN: 1qk1K3/bpP5/1pP1N3/1P6/2Q5/8/8/8
Input: James Malcom, 2020-05-03
Last update: James Malcom, 2022-02-26 more...
Henrik Juel: Missing Joke keyword, I guess (2020-05-11)
A.Buchanan: Curious that retro a7-a8=sT discomforts the animation still - maybe you should report to Gerd? (I trouble him with enough stuff already - don't want to be the only one emailing him! :-) (2020-05-11)
A.Buchanan: Maybe +sBe7f7 to refute R. ... e8=sK/fxe8=sK :-) Note this "cook" is actually prevented in the original. (2020-05-11)
A.Buchanan: Oops and a more major cook R: 1. Se8/g8-f6+ (2020-05-11)
James Malcom: This problem was only half-finished before I fell asleep. It’s fixed now. (2020-05-11)
A.Buchanan: Great! You could save another piece I think -sLg6, -sBf7, + sDf7. This also removes the obtrusive promotion (2020-05-11)
James Malcom: Yes, that is true. Position edited. (2020-05-11)
James Malcom: I see nothing wrong with fiddling if it improves economy. (2020-05-11)
A.Buchanan: If promotion to Bl unit is allowed, can’t Bl just have played e8xd7+ or g8xh7+? Can replace bPd7 with bR but eliminating bPh7 is more complicated. Need +wPh7 +bPg6h6. And also bRb7 to prevent discovered check by bPc8 prior to e7-e8=bK. I think that’s watertight now! :-) (2020-10-13)
A.Buchanan: The issue is that there are two or three levels of Bl promotion joke: this problem relies on the "basic" joke where black officers can be created. But where's the line to stop us promoting to Bl pawn or king? If we go that far, then a position like this 2kr3K/1r1r1qrR/7p/8/8/8/8/8 is required. Oh dear: sorry to have brought it up :( (2020-10-13)
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A.Buchanan: Curious that retro a7-a8=sT discomforts the animation still - maybe you should report to Gerd? (I trouble him with enough stuff already - don't want to be the only one emailing him! :-) (2020-05-11)
A.Buchanan: Maybe +sBe7f7 to refute R. ... e8=sK/fxe8=sK :-) Note this "cook" is actually prevented in the original. (2020-05-11)
A.Buchanan: Oops and a more major cook R: 1. Se8/g8-f6+ (2020-05-11)
James Malcom: This problem was only half-finished before I fell asleep. It’s fixed now. (2020-05-11)
A.Buchanan: Great! You could save another piece I think -sLg6, -sBf7, + sDf7. This also removes the obtrusive promotion (2020-05-11)
James Malcom: Yes, that is true. Position edited. (2020-05-11)
James Malcom: I see nothing wrong with fiddling if it improves economy. (2020-05-11)
A.Buchanan: If promotion to Bl unit is allowed, can’t Bl just have played e8xd7+ or g8xh7+? Can replace bPd7 with bR but eliminating bPh7 is more complicated. Need +wPh7 +bPg6h6. And also bRb7 to prevent discovered check by bPc8 prior to e7-e8=bK. I think that’s watertight now! :-) (2020-10-13)
A.Buchanan: The issue is that there are two or three levels of Bl promotion joke: this problem relies on the "basic" joke where black officers can be created. But where's the line to stop us promoting to Bl pawn or king? If we go that far, then a position like this 2kr3K/1r1r1qrR/7p/8/8/8/8/8 is required. Oh dear: sorry to have brought it up :( (2020-10-13)
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Keywords: Castling in the retro play, Promotion in the retro play (t), Rex solus (w), Joke, Joke promotion, Type C
Genre: Retro
FEN: 2kr3K/1p1ppqrp/8/8/8/8/8/8
Input: James Malcom, 2020-05-11
Last update: Alfred Pfeiffer, 2020-10-14 more...
Genre: Retro
FEN: 2kr3K/1p1ppqrp/8/8/8/8/8/8
Input: James Malcom, 2020-05-11
Last update: Alfred Pfeiffer, 2020-10-14 more...
5 - P1380882
James Malcom
Andrew Buchanan
PDB Website 14/10/2020
after Josef Cumpe
(2+7)
Last two moves?
(-:
James Malcom
Andrew Buchanan
PDB Website 14/10/2020
after Josef Cumpe
(2+7)
Last two moves?
(-:
R: 1. ... 0-0-0+ 2. a7-a8=sT
See P1234039, P1375777 and P1380852.
The joke here is that pawns may promote to *any* unit (friend or enemy; officer, king or pawns).
Henrik Juel: R: 1... 0-0-0+ 2.a7-a8=sT
not 2.e7-e8=sK, because then sTa8 would have moved, and castling not allowed (2020-10-14)
A.Buchanan: Exactly, Henrik. Also: sB on 7th rank could retract to 8th rank, so we need sT instead (2020-10-14)
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The joke here is that pawns may promote to *any* unit (friend or enemy; officer, king or pawns).
Henrik Juel: R: 1... 0-0-0+ 2.a7-a8=sT
not 2.e7-e8=sK, because then sTa8 would have moved, and castling not allowed (2020-10-14)
A.Buchanan: Exactly, Henrik. Also: sB on 7th rank could retract to 8th rank, so we need sT instead (2020-10-14)
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Keywords: Last Moves? (2), Type C, Castling in the retro play, Non-standard material (tt), Joke, Joke promotion (t), Promotion in the retro play (t), Minimal, Castling (sg)
Genre: Retro
FEN: 2kr3K/1r1r1qrR/7p/8/8/8/8/8
Input: A.Buchanan, 2020-10-14
Last update: A.Buchanan, 2023-08-15 more...
Genre: Retro
FEN: 2kr3K/1r1r1qrR/7p/8/8/8/8/8
Input: A.Buchanan, 2020-10-14
Last update: A.Buchanan, 2023-08-15 more...
1. h8=T+! Sh6 2. exd8=K! b3 3. a8=sS! b2 4. b8=sL! La7 5. e4 Lb8 6. e5 La7 7. e6 Lb8 8. e7 La7 9. e8=B! Lb8 10. Ta4 La7 11. Txa7 g4#
A rather... complicated "joke."
A rather... complicated "joke."
A.Buchanan: If one allows promotion to sB (and there seems no reason to disallow it since promotion to pawn, king and foreign units are allowed) then the problem is cooked. There is no universally agreed notion of how a pawn can move if it starts on the first rank. Does it get a double hop, and if so on which rank? But the problem is unsound in any case. (2022-02-10)
James Malcom: That is if, yes. But I don't think this problem ought to be left as is: a demonstration of the levels of absurdity and tomfoolery old rules used to allow. Promotion to a piece of another color and dummies were loopholes, yes, but promotion to a black pawn was never included, not even implicitly. All pawns are pieces, but not all pieces are pawns. (2022-02-10)
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James Malcom: That is if, yes. But I don't think this problem ought to be left as is: a demonstration of the levels of absurdity and tomfoolery old rules used to allow. Promotion to a piece of another color and dummies were loopholes, yes, but promotion to a black pawn was never included, not even implicitly. All pawns are pieces, but not all pieces are pawns. (2022-02-10)
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Keywords: Joke promotion (Ksl), Dummy Pawn, konsekutive Umwandlungen 5 (TKslB), under-promotion key (T), Excelsior white, Golden Age (Dummy Pawn), Illegal position (no wK), Joke
Genre: s#, Fairies
Computer test: Difficult to test at the moment because no engine allows both normal and adversarial promotion.
FEN: 2Rr2n1/PPpBP2P/1pP5/1N4pk/1p4Rb/6pP/4P1P1/1Q6
Input: James Malcom, 2020-11-14
Last update: A.Buchanan, 2023-12-11 more...
Genre: s#, Fairies
Computer test: Difficult to test at the moment because no engine allows both normal and adversarial promotion.
FEN: 2Rr2n1/PPpBP2P/1pP5/1N4pk/1p4Rb/6pP/4P1P1/1Q6
Input: James Malcom, 2020-11-14
Last update: A.Buchanan, 2023-12-11 more...
1. b1=B! Lxa3 2. c1=B! Dxc3#
Keywords: Dummy Pawn, Golden Age (Dummy Pawn), konsekutive Umwandlungen 2 (bb)
Genre: h#
Computer test: Popeye 4.79
FEN: 8/8/8/8/p2Q4/r1pKP3/ppp1P3/k1Bb4
Input: James Malcom, 2021-01-04
Last update: A.Buchanan, 2023-08-04 more...
Genre: h#
Computer test: Popeye 4.79
FEN: 8/8/8/8/p2Q4/r1pKP3/ppp1P3/k1Bb4
Input: James Malcom, 2021-01-04
Last update: A.Buchanan, 2023-08-04 more...
8 - P1396159
Tivadar Kardos
James Malcom
Andrew Buchanan
PDB Website 24/11/2021
TK, correction JM & AB
(6+15) C+
h#3
Tivadar Kardos
James Malcom
Andrew Buchanan
PDB Website 24/11/2021
TK, correction JM & AB
(6+15) C+
h#3
1. dxe3ep+ Kxc4 2. Lc3 Sxc2 3. Ta5 axb3#
R: 1. e2-e4 Tf3-d3+ 2. Ke4-d5
See P0003211
Example Proof Game: 1. b3 a5 2. c4 a4 3. Na3 b5 4. d4 c5 5. Bg5 h6 6. f4 hxg5 7. Nf3 gxf4 8. Qd3 bxc4 9. Nc2 axb3 10. Rc1 Bb7 11. Na1 Nf6 12. Rc3 Nh5 13. Qe3 fxe3 14. Nd2 exd2+ 15. Kf2 Nf4 16. Rg1 Nh3+ 17. gxh3 Bh1 18. Rcg3 Ra6 19. Rg6 Rf6+ 20. Ke3 Rh5 21. Bg2 Nc6 22. Be4 Na5 23. Bc2 bxc2 24. R1g4 Rf3+ 25. Ke4 Nb3 26. Rd6 exd6 27. Rf4 Qh4 28. Rg4 Qe1 29. Rf4 Kd8 30. Rg4 Kc7 31. Rf4 Kb6 32. Rg4 Ka5 33. Rf4 Ka4 34. Rg4 Rhf5 35. Rh4 g5 36. Rg4 Bg7 37. Rh4 Be5 38. Rf4 cxd4 39. Rg4 f6 40. Rh4 Qf1 41. Rf4 gxf4 42. Kd5 Rd3+ 43. e4
R: 1. e2-e4 Tf3-d3+ 2. Ke4-d5
See P0003211
Example Proof Game: 1. b3 a5 2. c4 a4 3. Na3 b5 4. d4 c5 5. Bg5 h6 6. f4 hxg5 7. Nf3 gxf4 8. Qd3 bxc4 9. Nc2 axb3 10. Rc1 Bb7 11. Na1 Nf6 12. Rc3 Nh5 13. Qe3 fxe3 14. Nd2 exd2+ 15. Kf2 Nf4 16. Rg1 Nh3+ 17. gxh3 Bh1 18. Rcg3 Ra6 19. Rg6 Rf6+ 20. Ke3 Rh5 21. Bg2 Nc6 22. Be4 Na5 23. Bc2 bxc2 24. R1g4 Rf3+ 25. Ke4 Nb3 26. Rd6 exd6 27. Rf4 Qh4 28. Rg4 Qe1 29. Rf4 Kd8 30. Rg4 Kc7 31. Rf4 Kb6 32. Rg4 Ka5 33. Rf4 Ka4 34. Rg4 Rhf5 35. Rh4 g5 36. Rg4 Bg7 37. Rh4 Be5 38. Rf4 cxd4 39. Rg4 f6 40. Rh4 Qf1 41. Rf4 gxf4 42. Kd5 Rd3+ 43. e4
Henrik Juel: Black pawns captured all 10 missing white men, and White captured g2xSh3
Last move was not e3-e4 (because of the check from Lh1), but e2-e4
HC+ Popeye 4.61 (2021-11-24)
A.Buchanan: I’d like to claim that Popeye + Retractor + example proof game means this problem is C+. If not, what more would be required. (2021-11-24)
Henrik Juel: I guess that suffices (2021-11-24)
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Last move was not e3-e4 (because of the check from Lh1), but e2-e4
HC+ Popeye 4.61 (2021-11-24)
A.Buchanan: I’d like to claim that Popeye + Retractor + example proof game means this problem is C+. If not, what more would be required. (2021-11-24)
Henrik Juel: I guess that suffices (2021-11-24)
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Keywords: En passant as key, Checking key
Genre: h#, Retro
Computer test: C+ Popeye 4.61 for forward play Retractor 2.0 for retraction Lichess to check demo game
FEN: 8/3p4/3p1p2/3Kbr2/k1ppPp2/1n1r3P/P1pp3P/N4q1b
Input: James Malcom, 2021-11-24
Last update: A.Buchanan, 2023-07-13 more...
Genre: h#, Retro
Computer test: C+ Popeye 4.61 for forward play Retractor 2.0 for retraction Lichess to check demo game
FEN: 8/3p4/3p1p2/3Kbr2/k1ppPp2/1n1r3P/P1pp3P/N4q1b
Input: James Malcom, 2021-11-24
Last update: A.Buchanan, 2023-07-13 more...
SCHRECKE: Die Idee ist als Miniatur darstellbar!
W: Kh4,Ta1,Ld1,Sg1 (4) - S: Kh2,Be2,Bf2 (3)
Lösung: 1.e1B Lf3 2.f:g1B Ta2# (2022-01-25)
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W: Kh4,Ta1,Ld1,Sg1 (4) - S: Kh2,Be2,Bf2 (3)
Lösung: 1.e1B Lf3 2.f:g1B Ta2# (2022-01-25)
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Keywords: Dummy Pawn, Golden Age (Dummy Pawn)
Genre: h#
Computer test: C+, popeye 4.87, bedingung UWnur D T L S B
FEN: 8/8/8/8/3RP2K/4P3/5ppk/7B
Input: James Malcom, 2022-01-16
Last update: A.Buchanan, 2023-08-04 more...
Genre: h#
Computer test: C+, popeye 4.87, bedingung UWnur D T L S B
FEN: 8/8/8/8/3RP2K/4P3/5ppk/7B
Input: James Malcom, 2022-01-16
Last update: A.Buchanan, 2023-08-04 more...
10 - P1398666
James Malcom
Michael Schreckenbach
Andrew Buchanan
PDB Website 26/01/2022
(4+3) C+
h#2 (-:
James Malcom
Michael Schreckenbach
Andrew Buchanan
PDB Website 26/01/2022
(4+3) C+
h#2 (-:
1. g1=B Lf3 2. e1=B Te2#
AB: economy record for 2 Dummy Pawns in h#. Miniature. Aimless promotion.
Henrik Juel: wPg3 prevents cooks like 1.Kg1 Kg3 2.e1=DTLSB Txe1# (2022-01-27)
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Henrik Juel: wPg3 prevents cooks like 1.Kg1 Kg3 2.e1=DTLSB Txe1# (2022-01-27)
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Keywords: Dummy Pawn, Golden Age (Dummy Pawn), Miniature, Tempo Move (Promotion)
Genre: h#
Computer test: C+ Popeye 4.79
FEN: 8/8/8/8/4R2K/6P1/4p1pk/7B
Input: A.Buchanan, 2022-01-27
Last update: A.Buchanan, 2023-08-04 more...
Genre: h#
Computer test: C+ Popeye 4.79
FEN: 8/8/8/8/4R2K/6P1/4p1pk/7B
Input: A.Buchanan, 2022-01-27
Last update: A.Buchanan, 2023-08-04 more...
James Malcom: I had a thought looking at this again. Does n7/1P2P3/Q3P3/1r6/N1k1KP2/Pr6/B2p1p2/n7 work to save another piece? (2022-04-02)
A.Buchanan: James, yes your version does save another unit for your lovely idea. Beyond this, a version n7/1P2P3/Q7/Br6/2kPKP2/1r6/B2p1p2/n7 saves another unit, and forces a unique order on the Black promotions too. To avoid distracting unachievable threats, set NoThreat as well as the usual NoShortVariations. Your composition has driven me finally to report a long-standing Olive bug that cruelly punishes we Dummy Pawn enthusiasts: https://github.com/dturevski/olive-gui/issues/54. (2022-04-03)
James Malcom: Thanks for the verification and shaving off a unit, Andrew. (2022-04-03)
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A.Buchanan: James, yes your version does save another unit for your lovely idea. Beyond this, a version n7/1P2P3/Q7/Br6/2kPKP2/1r6/B2p1p2/n7 saves another unit, and forces a unique order on the Black promotions too. To avoid distracting unachievable threats, set NoThreat as well as the usual NoShortVariations. Your composition has driven me finally to report a long-standing Olive bug that cruelly punishes we Dummy Pawn enthusiasts: https://github.com/dturevski/olive-gui/issues/54. (2022-04-03)
James Malcom: Thanks for the verification and shaving off a unit, Andrew. (2022-04-03)
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Keywords: Dummy Pawn, Golden Age (Dummy Pawn), Superseded by (P1411297)
Genre: Fairies, r#
Computer test: Henrik Juel: C+ Popeye 4.87 (2022-04-02)
FEN: n7/1P2P3/Q7/Br6/2kPKP2/1r6/B2p1p2/n7
Input: James Malcom, 2022-04-02
Last update: A.Buchanan, 2023-12-14 more...
Genre: Fairies, r#
Computer test: Henrik Juel: C+ Popeye 4.87 (2022-04-02)
FEN: n7/1P2P3/Q7/Br6/2kPKP2/1r6/B2p1p2/n7
Input: James Malcom, 2022-04-02
Last update: A.Buchanan, 2023-12-14 more...
1. cxd8=B+ Kd6 2. e8=B+ Ke6 3. Lc4+ Kxf6 4. Le7+ Kxg6 5. g8=B Txh3#
Improvement in move number and economy over P1379580.
Improvement in move number and economy over P1379580.
SCHRECKE: Here is a s#7 with 4 dummy pawns: QnRn1B1K/P1P1P1P1/k1N5/3p2p1/2PPB1P1/8/4p1pR/4Nbrr
1. axb8=B+! Kb6 2. Da7+ Kxc6 3. cxd8=B+ Kd6 4. e8=B+ Ke6 5. Lxd5+ Kf6 6. Le7+ Kg6 7. g8=B Txh2#
Who makes it better? (2023-06-07)
James Malcom: Wonderfully done. I had an illegal scheme for four I never realized, but now it is done: 1RrRq1BK/pP1P1PP1/Pk2N1N1/p3p1p1/p2PP1P1/3Q3p/6pr/6Bb
I see no improvements to yours, yet. (2023-06-07)
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1. axb8=B+! Kb6 2. Da7+ Kxc6 3. cxd8=B+ Kd6 4. e8=B+ Ke6 5. Lxd5+ Kf6 6. Le7+ Kg6 7. g8=B Txh2#
Who makes it better? (2023-06-07)
James Malcom: Wonderfully done. I had an illegal scheme for four I never realized, but now it is done: 1RrRq1BK/pP1P1PP1/Pk2N1N1/p3p1p1/p2PP1P1/3Q3p/6pr/6Bb
I see no improvements to yours, yet. (2023-06-07)
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Keywords: Dummy Pawn (x3), Golden Age (Dummy Pawn), Construction record
Genre: s#
Computer test: Popeye 4.69
FEN: 2Rn1B1K/2P1P1P1/P1k2NN1/6p1/6P1/7R/6pr/5BQb
Input: James Malcom, 2023-06-06
Last update: A.Buchanan, 2023-08-04 more...
Genre: s#
Computer test: Popeye 4.69
FEN: 2Rn1B1K/2P1P1P1/P1k2NN1/6p1/6P1/7R/6pr/5BQb
Input: James Malcom, 2023-06-06
Last update: A.Buchanan, 2023-08-04 more...
1. axb8=B+! Kb6 2. Da7+ Kxc6 3. cxd8=B+ Kd6 4. e8=B+ Ke6 5. Lxd5+ Kf6 6. Le7+ Kg6 7. g8=B Txh2#
Commented on P1410177
Commented on P1410177
SCHRECKE: Dear James, the authors should be Malcolm/Schreckenbach. (2023-07-11)
James Malcom: Done. (2023-07-12)
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James Malcom: Done. (2023-07-12)
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Keywords: Dummy Pawn (x4), Construction record
Genre: s#
Computer test: Popeye 4.69
FEN: QnRn1B1K/P1P1P1P1/k1N5/3p2p1/2PPB1P1/8/4p1pR/4Nbrr
Input: James Malcom, 2023-07-11
Last update: James Malcom, 2023-07-12 more...
Genre: s#
Computer test: Popeye 4.69
FEN: QnRn1B1K/P1P1P1P1/k1N5/3p2p1/2PPB1P1/8/4p1pR/4Nbrr
Input: James Malcom, 2023-07-11
Last update: James Malcom, 2023-07-12 more...
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The problems of this query have been registered by the following contributors:
James Malcom (11)A.Buchanan (2)
James Malcom: The newly born black pawn is not a dummy pawn, in my opinion. Unlike the dummy, it still has the right to move foward in principal. Since it is new and has never moved, it sill has the right to make a double-step if allowed, as in Horde Chess (https://lichess.org/variant/horde). (2020-04-14)
Henrik Juel: I see your point, James (2020-04-15)
James Malcom: Seems that Gerd might have missed including pawns promoting to opposite color pawns the new update. I'll email him tomorrow morning. With accordance to the rules, they have 4 first moves as a 7th rank pawn does. (2020-05-03)
Gerd Wilts: Promotions to pawns are now also supported. (2020-05-03)
James Malcom: Many thanks Gerd! (2020-05-03)
A.Buchanan: I had missed these 6 miniatures: they are terrific! Can I ask to replace Sg8 in this one with L so that it's not giving check in the starting position. I guess it's kind of crass though economical to replace with pawn! (2020-10-13)
A.Buchanan: Dummy pawns can in principle move imho: it's just that they're usually blocked by the edge of the board. If one was teleported somewhere else on the board by some mechanism, then they would just start moving. So completely different kind of animal from a dummy, which genuinely cannot move :D (2020-10-13)
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