MESON Chess Problem Database

Problem Display
PID: 276506 (3bBR2/3r1Ppp/3QP1kr/6Np/4P2p/5P1K/8/6R1 w - - 0 1)

Macleod, Norman Alasdair

Mat, 1981

3bBR2/3r1Ppp/3QP1kr/6Np/4P2p/5P1K/8/6R1

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.exd7#
    • 1...Ra7
      • 2.e7#
    • 1...Rb7
      • 2.e7#
    • 1...Rc7
      • 2.e7#
    • 1...Rxf7
      • 2.e7#
    • 1...Ba5
      • 2.exd7#
    • 1...Bxg5
      • 2.exd7#
    • 1...Bb6
      • 2.exd7#
  • Keys
    • 1.Rh8!
      • 1...Kf6
        • 2.exd7#
      • 1...Rxd6
        • 2.f8Q#
        • 2.f8R#
      • 1...Rxf7
        • 2.e7#
      • 1...Bxg5
        • 2.exd7#
      • 1...Re7
        • 2.Sxh7#
      • 1...Ra7
        • 2.e7#
      • 1...Rb7
        • 2.e7#
      • 1...Rc7
        • 2.e7#
      • 1...Ba5
        • 2.Sxh7#
        • 2.exd7#
      • 1...Bb6
        • 2.exd7#
      • 1...Bf6
        • 2.f8S#
      • 1...Bc7
        • 2.Sxh7#
      • 1...Be7
        • 2.f8Q#
        • 2.f8R#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(c);P-FLIGHT,S_CUTB(h)::QAR(F)+P(G),XR(e)
    • R(e);N_GUARD::QAR(F)+P(G)
    • R(e);N_GUARD,P_SPINR(e),XP(H)::QAR(F)+P(G)
    • B(h);N_GUARD::QAR(F)+P(G),XR(e)
    • B(h);N_GUARD,P_SPINB(h),XS(E)::QAR(F)+P(G),XR(e)
  • Actual
    • R(J);
    • Vars
      • K(c);P-FLIGHT,S_CUTB(h)::QAR(F)+P(G),XR(e)
      • R(e);N_GUARD,XQ(F)::P=Q
      • R(e);N_GUARD,P_SPINR(e),XP(H)::QAR(F)+P(G)
      • B(h);N_GUARD,P_SPINB(h),XS(E)::QAR(F)+P(G),XR(e)
      • R(e);S_CUTB(h)::R(A)+S(E),XP(g)
      • R(e);N_GUARD::QAR(F)+P(G)
      • B(h);N_GUARD::QAR(F)+P(G),XR(e)
      • B(h);SBLOCK::P=S
      • B(h);N_GUARD::R(A)+S(E),XP(g)
      • B(h);S_CUTR(e)::P=Q
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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).