MESON Chess Problem Database

Problem Display
PID: 164115 (1K6/5B2/2p3Qp/5r1r/nR1pkB2/1np2NP1/p3Pp2/3N2b1 w - - 0 1)

Handloser, Ralf Chris

Best Problems, 2015

1K6/5B2/2p3Qp/5r1r/nR1pkB2/1np2NP1/p3Pp2/3N2b1

#2

9 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Sxf2#
    • 1...Sa1
      • 2.Rxd4#
    • 1...Sc1
      • 2.Rxd4#
    • 1...Sd2
      • 2.Rxd4#
    • 1...Sa5
      • 2.Rxd4#
    • 1...Sbc5
      • 2.Rxd4#
    • 1...Sb2
      • 2.Sxc3#
    • 1...Sac5
      • 2.Sxc3#
    • 1...Sb6
      • 2.Sxc3#
  • Tries
    • 1.Se5?
      • threat
        • 2.Qxc6#
      • 1...Sb6
        • 2.Sxc3#
      • 1...c5
        • 2.Qc6#
      • 1...Sa5!
    • 1.Be5?
      • threat
        • 2.Qxc6#
      • 1...Sa5
        • 2.Rxd4#
      • 1...c5
        • 2.Qc6#
      • 1...Sb6!
  • Keys
    • 1.Be8!
      • threat
        • 2.Bxc6#
      • 1...Kd5
        • 2.Qxc6#
      • 1...Sa5
        • 2.Rxd4#
      • 1...Sb6
        • 2.Sxc3#
      • 1...c5
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • B(a);N_GUARD::S(A),XP(c)
    • S(d);N_GUARD::R1(E),XP(g)
    • S(f);N_GUARD::S(A),XP(e)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB(G),XP(k)
      • Vars
        • S(f);N_GUARD::S(A),XP(e)
        • P(k);::QAB(G)
      • Refutation
        • S(d);
    • Try
      • B(F);
      • Threat
        • QAB(G),XP(k)
      • Vars
        • S(d);N_GUARD::R1(E),XP(g)
        • P(k);::QAB(G)
      • Refutation
        • S(f);
  • Actual
    • B(H);
    • Threat
      • B(H),XP(k)
    • Vars
      • K(h);N_SPINP(g),N_SPINR(i),S_FLIGHT::QAB1(G),XP(k)
      • S(d);N_GUARD::R1(E),XP(g)
      • S(f);N_GUARD::S(A),XP(e)
      • P(k);::B(H)
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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).