MESON Chess Problem Database

Problem Display
PID: 158703 (6nB/4pK1Q/4P3/5P2/8/1p2k2N/1R1Np3/nBbb4 w - - 0 1)

Morse, Christopher Jeremy

The Problemist Supplement, 2015

6nB/4pK1Q/4P3/5P2/8/1p2k2N/1R1Np3/nBbb4

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sh6+
      • 2.Qxh6#
  • Tries
    • 1.Qh4?
      • threat
        • 2.Bd4#
        • 2.Qf2#
        • 2.Qg3#
        • 2.Qg5#
        • 2.Qd4#
        • 2.Qe4#
        • 2.Qf4#
      • 1...Sh6+
        • 2.Qxh6#
      • 1...Bxb2
        • 2.Qg5#
        • 2.Qf4#
      • 1...Bxd2
        • 2.Qf2#
        • 2.Qg3#
        • 2.Qe4#
        • 2.Qf4#
      • 1...Bc2
        • 2.Qd4#
      • 1...e1Q
        • 2.Qe4#
      • 1...e1S
        • 2.Qf2#
        • 2.Qe4#
      • 1...e1B
        • 2.Qe4#
      • 1...e1R
        • 2.Qf2#
        • 2.Qe4#
      • 1...Sf6
        • 2.Qf2#
        • 2.Qf4#
      • 1...Sc2!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qc3#
        • 2.Qd4#
        • 2.Qe5#
        • 2.Qg1#
        • 2.Qg3#
        • 2.Qg5#
      • 1...Sh6+
        • 2.Qxh6#
      • 1...Bxb2
        • 2.Qg5#
      • 1...Bxd2
        • 2.Qg3#
      • 1...Bc2
        • 2.Qd4#
      • 1...Sc2
        • 2.Qc3#
      • 1...Sf6
        • 2.Qg1#
      • 1...e1Q
        • 2.Qe5#
      • 1...e1S
        • 2.Qe5#
      • 1...e1B
        • 2.Qe5#
      • 1...e1R
        • 2.Qe5#

This is a version of 158702

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • S(h);CHECK,N_GUARD::QAB(H),XS(h)
  • Tries
    • Try
      • Q(H);
      • Threat
        • DUALS(7)
      • Vars
        • S(h);CHECK,N_GUARD::QAB(H),XS(h)
        • B(c);::QAB1(H)
        • P(d);::QAR1(H)
      • Refutation
        • S(a);
  • Actual
    • Q(H);
    • Threat
      • DUALS(6)
    • Vars
      • S(h);CHECK,N_GUARD::QAB(H),XS(h)
      • B(b);XR(B)::QAB(H)
      • B(b);XS(C)::QAR2(H)
      • B(c);::QAB1(H)
      • S(a);::QAR2(H)
      • S(h);::QAB(H)
      • P(d);::QAR2(H)
HTML5 logo

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).