4 problem(s) found in 2732 milliseconds (displaying 4 problem(s)). [COMMENTDATE>=20200919 AND NOT A='Martin, Ernst Otto' AND S='Variant Chess'] [download as LaTeX]
a) Yes
b) Perhaps not, on the grounds that after Black's KxQ White's recapture KxK will allow his own king to be eaten by the monster and this is surely only a draw? But White needn't recapture, he can withdraw his king by say Kg5 and let the monster do his work for him. So again the answer is yes.
Loch Ness Chess: Die lange schwarze Diagonale a1-h8 repräsentiert jenes dunkle und mysteriöse Loch Ness, und wenn ein Stein, der auf dieser Diagonalen steht, nicht mehr beobachtet ist, taucht das Ungeheuer auf und verschlingt den Stein mit Haut und Haaren. Also: Verliert ein Stein, der auf der Diagonalen a1-h8 steht, alle Beobachtungen, verschwindet er vom Brett.
b) Perhaps not, on the grounds that after Black's KxQ White's recapture KxK will allow his own king to be eaten by the monster and this is surely only a draw? But White needn't recapture, he can withdraw his king by say Kg5 and let the monster do his work for him. So again the answer is yes.
Loch Ness Chess: Die lange schwarze Diagonale a1-h8 repräsentiert jenes dunkle und mysteriöse Loch Ness, und wenn ein Stein, der auf dieser Diagonalen steht, nicht mehr beobachtet ist, taucht das Ungeheuer auf und verschlingt den Stein mit Haut und Haaren. Also: Verliert ein Stein, der auf der Diagonalen a1-h8 steht, alle Beobachtungen, verschwindet er vom Brett.
Keywords: Loch Ness Chess
Genre: Fairies
FEN: 6k1/6Q1/6K1/8/8/8/8/8
Input: Hans Gruber, 2011-10-09
Last update: A.Buchanan, 2021-05-02 more...
Genre: Fairies
FEN: 6k1/6Q1/6K1/8/8/8/8/8
Input: Hans Gruber, 2011-10-09
Last update: A.Buchanan, 2021-05-02 more...
2 - P1213479
Edgar D. Holladay
64 Variant Chess 14 04-09/1994
(3+1)
h#3 0.1.1...
wSL=Drache
b) wDCb6->a6
c) wKb3->a7
d) wKb3->a8
Edgar D. Holladay
64 Variant Chess 14 04-09/1994
(3+1)
h#3 0.1.1...
wSL=Drache
b) wDCb6->a6
c) wKb3->a7
d) wKb3->a8
a) 1. ... Kc3 2. Kb5 DCc4+ 3. Ka4 b3#
b) 1. ... Kc4 2. Kb6 DCc5+ 3. Ka5 b2-b4#
c) 1. ... DCd5+ 2. Kb5 DCc3+ 3. Ka5 b2-b4#
d) 1. ... b2-b4 2. Kb5 DCc4+ 3. Ka6 b5#
Meeraner, Urform, auf 2 Phasen verteilt, Themafigur: wB
b) 1. ... Kc4 2. Kb6 DCc5+ 3. Ka5 b2-b4#
c) 1. ... DCd5+ 2. Kb5 DCc3+ 3. Ka5 b2-b4#
d) 1. ... b2-b4 2. Kb5 DCc4+ 3. Ka6 b5#
Meeraner, Urform, auf 2 Phasen verteilt, Themafigur: wB
Keywords: Rex solus (s), Pawn mate, Ideal mate, Chameleon Echo (2 x 2), Meerane-Thema
Pieces: = Dragon (DC)
Genre: Fairies
Computer test: a)-d) C+ Alybadix
FEN: 8/8/1*3Nk5/8/8/1K6/1P6/8
Input: Hans Gruber, 2011-10-09
Last update: Gunter Jordan, 2022-12-01 more...
Pieces: = Dragon (DC)
Genre: Fairies
Computer test: a)-d) C+ Alybadix
FEN: 8/8/1*3Nk5/8/8/1K6/1P6/8
Input: Hans Gruber, 2011-10-09
Last update: Gunter Jordan, 2022-12-01 more...
Datum eigentlich: "Spring 1998"
1. Kd7 b4 2. Kc6 b5+ 3. Kxb5 [Bb7] b8=D+ 4. Ka6 Db6#
1. Kd7 b4 2. Kc6 b5+ 3. Kxb5 [Bb7] b8=D+ 4. Ka6 Db6#
4 - P1377604
John Derek Beasley
14 Variant Chess 20, p. 215, 1996
(3+4)
White to play and win
Grashopper Chess
b) wBa7->b7
wDU,sDU=Grashüpfer
John Derek Beasley
14 Variant Chess 20, p. 215, 1996
(3+4)
White to play and win
Grashopper Chess
b) wBa7->b7
wDU,sDU=Grashüpfer
a) 1. a8=G#
b) 1. b8=sG! Gh8 2. Kf1 Gf8 3. Ge8 Gd8 4. Gc8 Gb8 5. Ga8#
b) 1. b8=sG! Gh8 2. Kf1 Gf8 3. Ge8 Gd8 4. Gc8 Gb8 5. Ga8#
A.Buchanan: Why not sBh3 on h2, removing sTh2? (2020-10-21)
Arnold Beine: Then there is a solution in b) without joke: 1.Kf1 Ga8 2.bxa8=L#. (2020-10-21)
A.Buchanan: Thanks Arnold - I had a blind spot there, but knew there had to be a reason. In a), 1. a8=sG! also wins but not so quickly. More interestingly, I think b) 1. Kf1 Ga8 2. b8=Q! Gc8 3. Qxc8! wins the pawn or 2. ... Rg7 3. Gxa8+! R~ 4. Qb7++! Maybe someone can check this indeed win for White. (2020-10-22)
Arnold Beine: There is no need for checking 2.b8=Q!??, because Q-promotions are not allowed in Grashopper Chess. (2020-10-23)
A.Buchanan: Thanks so now we’ve found an explanation of why it is defined to be grasshopper chess! A lot of time and effort can be saved in chess composition if the default format is “no-cook chess” - a fairy format in which all unintended solutions and defences are by definition illegal! :) (2020-10-24)
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Arnold Beine: Then there is a solution in b) without joke: 1.Kf1 Ga8 2.bxa8=L#. (2020-10-21)
A.Buchanan: Thanks Arnold - I had a blind spot there, but knew there had to be a reason. In a), 1. a8=sG! also wins but not so quickly. More interestingly, I think b) 1. Kf1 Ga8 2. b8=Q! Gc8 3. Qxc8! wins the pawn or 2. ... Rg7 3. Gxa8+! R~ 4. Qb7++! Maybe someone can check this indeed win for White. (2020-10-22)
Arnold Beine: There is no need for checking 2.b8=Q!??, because Q-promotions are not allowed in Grashopper Chess. (2020-10-23)
A.Buchanan: Thanks so now we’ve found an explanation of why it is defined to be grasshopper chess! A lot of time and effort can be saved in chess composition if the default format is “no-cook chess” - a fairy format in which all unintended solutions and defences are by definition illegal! :) (2020-10-24)
more ...
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Keywords: Grasshopper Chess, Joke, Joke promotion (sG)
Pieces: = Grasshopper (G)
Genre: Fairies, Studies
FEN: 6*2Q1/P7/8/8/8/7p/6*2qr/4K2k
Reprints: 6.2 51 Flights Of Chess Fancy 2009
Input: James Malcom, 2020-07-06
Last update: James Malcom, 2020-10-22 more...
Pieces: = Grasshopper (G)
Genre: Fairies, Studies
FEN: 6*2Q1/P7/8/8/8/7p/6*2qr/4K2k
Reprints: 6.2 51 Flights Of Chess Fancy 2009
Input: James Malcom, 2020-07-06
Last update: James Malcom, 2020-10-22 more...
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Alfred Pfeiffer: Autor ist vermutlich John Derek Beasley, Herausgeber von "Variant Chess" und Erfinder von Loch Ness Chess. (2014-03-24)
A.Buchanan: @Alfred: good enough for me (2021-05-02)
A.Buchanan: JDB confirms personally: "Yes, though I had long forgotten it. The good Loch Ness Monster probllem is the last one on the same page of Variant Chess 56 (accessible on www.jsbeasley.co.uk or on George Jelliss's excellent site www.mayhematics.com, look for page 36). You may also be interested in item 6.10 in my little vanity-book 51 Flights of Chess Fancy, also accessible on www.jsbeasley.co.uk." (2021-05-02)
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