MESON Chess Problem Database

Problem Display
PID: 192869 (K7/5B2/2p5/1p4Q1/N7/NR6/k1r2rR1/b7 w - - 0 1)

Coello Alonso, Jose Antonio

BCPS Website, 2019

K7/5B2/2p5/1p4Q1/N7/NR6/k1r2rR1/b7

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Rc3#
    • 1...Rb2
      • 2.Sc3#
    • 1...Rc3
      • 2.Rxc3#
    • 1...Rf1
      • 2.Rf3#
    • 1...Rxg2
      • 2.Rc3#
    • 1...Rf3
      • 2.Rxf3#
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qb1#
      • 1...Rxc1
        • 2.Rc3#
      • 1...Rb2
        • 2.Sc3#
      • 1...Rf1
        • 2.Rf3#

This is a version of 192868

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(c);P_SPINR(d)::B(F)+R(C)
    • R(c);N_GUARD,S_CUTB(a)::S(D)
    • R(c);P_SPINR(d)::B(F)+R(C),XR(c)
    • R(d);P_SPINR(c)::B(F)+R(C)
    • R(d);N_GUARD,XR(A)::B(F)+R(C)
    • R(d);P_SPINR(c)::B(F)+R(C),XR(d)
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • R(c);P_SPINR(d),XQ(E)::B(F)+R(C)
      • R(c);N_GUARD,S_CUTB(a)::S(D)
      • R(d);P_SPINR(c)::B(F)+R(C)
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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).