MESON Chess Problem Database

Problem Display
PID: 136750 (K7/1R3Bb1/p1kP4/2P1Pp2/1P2n3/P2p4/6R1/7Q w - - 0 1)

Paslack, Rainer

Die Schwalbe, 2010

K7/1R3Bb1/p1kP4/2P1Pp2/1P2n3/P2p4/6R1/7Q

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Rxd2#
    • 1...Sf2
      • 2.Rxf2#
    • 1...Sg3
      • 2.Rxg3#
    • 1...Sxc5
      • 2.Rc2#
    • 1...Sg5
      • 2.Rxg5#
    • 1...Sxd6
      • 2.Rg6#
  • Tries
    • 1.Bc4?
      • threat
        • 2.Rc7#
      • 1...Sxd6
        • 2.Rg6#
      • 1...Sxc5!
    • 1.Be6?
      • threat
        • 2.Rb6#
      • 1...Sxc5
        • 2.Rc2#
      • 1...Sxd6!
    • 1.b5+?
      • 1...axb5
        • 2.Rc7#
      • 1...Kxc5!
  • Keys
    • 1.a4!
      • threat
        • 2.Rc7#
      • 1...Sxc5
        • 2.Rc2#
      • 1...Sxd6
        • 2.Rg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • S(b);OGATEB::QAB(A)+R(B),XS(b)
    • S(b);OGATEB,XP(E)::QAB(A)+R(B)
    • S(b);OGATEB,XP(G)::QAB(A)+R(B)
  • Tries
    • Try
      • B(I);
      • Threat
        • R1(H)
      • Vars
        • S(b);OGATEB,XP(G)::QAB(A)+R(B)
      • Refutation
        • S(b);XP(E)
    • Try
      • B(I);
      • Threat
        • R1(H)
      • Vars
        • S(b);OGATEB,XP(E)::QAB(A)+R(B)
      • Refutation
        • S(b);XP(G)
    • Try
      • P(D);CHECK
      • Vars
        • P(d);SBLOCK,XP(D)::R1(H)
      • Refutation
        • K(e);P-FLIGHT,XP(E)
  • Actual
    • P(C);
    • Threat
      • R1(H)
    • Vars
      • S(b);OGATEB,XP(E)::QAB(A)+R(B)
      • S(b);OGATEB,XP(G)::QAB(A)+R(B)
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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).