MESON Chess Problem Database

Problem Display
PID: 256376 (2R3b1/r1b2nB1/3Q1N2/p7/8/2knp1R1/Pp1r1p1K/1B3N2 w - - 0 1)

Musante, Horacio Luis

Probleemblad, 1947

2R3b1/r1b2nB1/3Q1N2/p7/8/2knp1R1/Pp1r1p1K/1B3N2

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Qc5#
    • 1...Se1
      • 2.Qc5#
    • 1...Sb4
      • 2.Qc5#
    • 1...Sf4
      • 2.Qc5#
    • 1...Sc5
      • 2.Qxc5#
    • 1...e2
      • 2.Qc5#
  • Tries
    • 1.Bxd3?
      • threat
        • 2.Se4#
      • 1...Rxd3
        • 2.Qc5#
      • 1...Sxd6!
    • 1.Rxc7+?
      • 1...Sc5
        • 2.Qxc5#
      • 1...Rxc7!
  • Keys
    • 1.Rg4!
      • threat
        • 2.Sd5#
      • 1...Sf4
        • 2.Qc5#
      • 1...Sfe5
        • 2.Qd4#
      • 1...Sde5
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • S(e);N_GUARD,P_SPINP(f)::QAR2(F)
    • S(e);N_GUARD,N_SPINB(i),P_SPINP(f)::QAR2(F),XS(e)
    • P(f);P_SPINS(e)::QAR2(F)
  • Tries
    • Try
      • B(A);XS(e)
      • Threat
        • B(H)+S(G),DCHECK
      • Vars
        • R(b);SBLOCK,XB(A)::QAR2(F)
      • Refutation
        • S(j);XQ(F)
    • Try
      • R(I);CHECK,XB(i)
      • Vars
        • S(e);N_GUARD,P_SPINP(f),P_SPINS(e)::QAR2(F),XS(e)
      • Refutation
        • R(h);XR(I)
  • Actual
    • R(E);P_SPINQ(F)
    • Threat
      • B(H)+S(G),DCHECK
    • Vars
      • S(e);N_PINQ(F)::QAR2(F)
      • S(j);N_PINQ(F)::QAB1(F)
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).