py_20130402
Click in the right part of the chessboard to move forward, left to move backward... or directly on the move in the solution
serial h#3 with Roses
Gerard SMITSThe Problemist 2009
white Pf4f3h2 Ka2 WRd4e1
black Bf5 Kh4 Qb4 Pa5c5a4c2e6h3h6h7 Rg2h5 BRb5
: Knight can make several successive jumps with a "rounded" path
example: the Rose d4 can go to g1 via e2 or to a7 via c6 or a1 via b3 or capture f5 or e6
if the Bf5 was absent, the bK would be in check by the Rose d4 via f5 and
if the Rg2 was not there, the bK would be in check by the e1 Rose
{}
1.Qb4*e1 {Unpin Rg2}
2.Rg2-d2 3.Rd2-d3 WRd4*c2 #{by b4-c6-e7-g6}
1.Qb4*d4 {unpin Bf5}
2.Bf5-d3 3.Bd3-e2 WRe1*c2 #
{again by b4-c6-e7-g6Funny enough, the same mat is administered, but not by the same piece !}
hs#2,5 Take&Make - Anti-Andernach
Petko A. PETKOVProbleemblad, 20111° Prix
white Qf8 Pb4g6 Ke5 Ra8 Se4a5
black Pc7e6h6 Kd7 Bd3 Rd4h4 Ne3
hs#2,5 Take&Make(7+8)Anti-Andernach
b) ♘a5-->g8c) ♙b4-->f6🨨e3: Nightrider
{}
a) {}
1...Rd4-c4=w 2.Se4-f6[+bSf6] Ne3*c4-c1 3.Qf8*f6-h7 + Bd3*g6-g7 #{double check by Bg7 and NIc1}
b) wSa5-->g8{Na5-->g8}
1...Ne3-c4=w 2.Se4-c5[+bSc5] Bd3*c4-b2 3.Qf8*c5-a4 + Rd4*b4-b5 #{double check}
c) wPb4-->f6{b4-->f6}
1...Bd3-c4=w 2.Se4-d6[+bSd6] Rd4*c4-e2 3.Qf8*d6-b5 + Ne3*a5-c6 #{and again a double check !A well-deserved first prize}
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