Original Problems (page 77)
Original fairy problems published during 2012 will participate in the informal tourney JF-2012.
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No.136 – hs#9 by Michael Grushko – Surprising echo-model mates in both phases! (JV)
PWC – When a capture is made, the captured unit (except a King) is replaced on the square the capturing unit just leaves. A Pawn is immovable on its 1st rank.
Einstein chess: all units (Ks excluded) change their type when they move, according to a precise pattern. For non-capture moves: Q>R, R>B, B>S, S>P, P remains P. For capture-moves: R>Q, B>R, S>B, P>S, Qremains Q.
Republican Chess Type 2 : There are no Kings : if the side which has played can put the opposite King on a square where it would be legally mate, then the opposite King is put on such a square. The opposite side can then put itself the other King on a square where it is mated.
You can ?lick on “Solutions” to show or hide the solutions!
No.136 Michael Grushko
original – 27.09.2012
Dedicated to Peko A.Petkov
Republican Chess Type 2
Solution: (click to show/hide)
Set-play: 1…Bd5*b7=R [+wPd5] 2.d5-d6 Rb7-e7=B 3.d6*e7=S [+bBd6] Bd6*e7=R [+wSd6] 4.Sd6-f7=P Re7-e8=B 5.f7*e8=S [+bBf7] Bf7-h5=S 6.Sf6*h5=B [+bSf6] Sf6*e8=B [+wSf6] 7.Bh5*e8=R [+bBh5] Bh5*e8=R [+wRh5] 8.Sf6*e8=B [+bRf6] Rf6- g6=B 9.Be8*g6=R [+bBe8][+bKh8] + Be8-f7=S [+wKh6] #
Real solution: 1.Sf6*d5=B [+bBf6] Bf6-e7=S 2.Bd5-e4=S Se7-c8=P 3.b7*c8=S [+bPb7] b7-b6 4.Sc8*b6=B [+bPc8] c8-c5 5.Bb6*c5=R [+bPb6] b6*c5=S [+wRb6] 6.Rb6- b1=B Sc5*e4=B [+wSc5] 7.Bb1*e4=R [+bBb1] Bb1*e4=R [+wRb1] 8.Sc5*e4=B [+bRc5] Rc5-c2=B 9.Be4*c2=R [+bBe4][+bKe1] + Be4-d3=S [+wKc1] #
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