MESON Chess Problem Database

Problem Display
PID: 77870 (8/1p1p1R2/1B1P3b/4p3/1N1pkPP1/2p2r2/2P5/3N2KQ w - - 0 1)

Buchner, Richard

Buchner, Rudolf

3rd HM., Munchner Post, 1925-1926

8/1p1p1R2/1B1P3b/4p3/1N1pkPP1/2p2r2/2P5/3N2KQ

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf4
      • 2.Qh7#
    • 1...Bg5
      • 2.Qh7#
    • 1...Bg7
      • 2.Qh7#
    • 1...Bf8
      • 2.Qh7#
    • 1...d3
      • 2.Sf2#
      • 2.Sxc3#
      • 2.cxd3#
    • 1...exf4
      • 2.Re7#
  • Tries
    • 1.Rf6?
      • 1...Bxf4
        • 2.Qh7#
      • 1...Bg5
        • 2.Qh7#
      • 1...Bg7
        • 2.Qh7#
      • 1...Bf8
        • 2.Qh7#
      • 1...d3
        • 2.Sf2#
        • 2.Sxc3#
        • 2.cxd3#
      • 1...exf4!
    • 1.Rf8?
      • 1...Bxf4
        • 2.Qh7#
      • 1...exf4
        • 2.Re8#
      • 1...Bg5
        • 2.Qh7#
      • 1...Bg7
        • 2.Qh7#
      • 1...d3
        • 2.Sf2#
        • 2.Sxc3#
        • 2.cxd3#
      • 1...Bxf8!
    • 1.g5?
      • 1...Bxg5
        • 2.Qh7#
      • 1...Bg7
        • 2.Qh7#
      • 1...Bf8
        • 2.Qh7#
      • 1...d3
        • 2.Sf2#
        • 2.Sxc3#
        • 2.cxd3#
      • 1...exf4!
  • Keys
    • 1.Kg2!
      • 1...Rf2+
        • 2.Kxf2#
      • 1...Rg3+
        • 2.Kxg3#
      • 1...Rxf4
        • 2.Qe1#
      • 1...Bxf4
        • 2.Qh7#
      • 1...exf4
        • 2.Re7#
      • 1...Rf1
        • 2.Kxf1#
      • 1...Rd3
        • 2.cxd3#
      • 1...Re3
        • 2.Sf2#
      • 1...Rh3
        • 2.Kxh3#
      • 1...Bg5
        • 2.Qh7#
      • 1...Bg7
        • 2.Qh7#
      • 1...Bf8
        • 2.Qh7#
      • 1...d3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • B(f);OGATE,XP(F)::QAB(C)
    • B(f);OGATE::QAB(C)
    • P(e);OGATEB,SBLOCK,XP(F)::R(J)
  • Tries
    • Try
      • R(J);
      • Vars
        • B(f);OGATE,XP(F)::QAB(C)
        • B(f);OGATE::QAB(C)
      • Refutation
        • P(e);XP(F)
    • Try
      • R(J);
      • Vars
        • B(f);OGATE,XP(F)::QAB(C)
        • P(e);OGATEB,SBLOCK,XP(F)::R(J)
        • B(f);OGATE::QAB(C)
      • Refutation
        • B(f);XR(J)
    • Try
      • P(G);
      • Vars
        • B(f);OGATE,XP(G)::QAB(C)
        • B(f);OGATE::QAB(C)
      • Refutation
        • P(e);XP(F)
  • Actual
    • K(B);N_PINR(b),P-FLIGHT
    • Vars
      • R(b);CHECK::QAB(C)+K(B),XR(b)
      • R(b);N_GUARD,XP(F)::QAR(C)
      • B(f);OGATE,XP(F)::QAB(C)
      • P(e);OGATEB,SBLOCK,XP(F)::R(J)
      • R(b);::QAB(C)+K(B),XR(b)
      • R(b);OGATE::P(D),XR(b)
      • R(b);N_GUARD,SBLOCK::S(A)
      • B(f);OGATE::QAB(C)
      • P(c);N_GUARD,S_CUTR(b)::S(A),XP(a)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).