MESON Chess Problem Database

Problem Display
PID: 266316 (R4r1Q/pk1P4/1P5r/P7/4N3/8/K4pRB/7B w - - 0 1)

Bottacchi, Antonio

Realismo e romanticismo nell'arte problemistica di Antonio B, 2005

R4r1Q/pk1P4/1P5r/P7/4N3/8/K4pRB/7B

#2

10 + 5

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Rxa7#
    • 1...Rf3
      • 2.Qc8#
    • 1...Rf4
      • 2.Qc8#
    • 1...Rf5
      • 2.Qc8#
    • 1...Rf6
      • 2.Qc8#
    • 1...Rf7
      • 2.Qc8#
    • 1...Rc8
      • 2.Qxc8#
      • 2.dxc8Q#
  • Tries
    • 1.Sc5+?
      • 1...Kxa8
        • 2.Rg6#
        • 2.Qxf8#
        • 2.b7#
      • 1...Kc6!
    • 1.Rg6?
      • threat
        • 2.Sc5#
        • 2.Rxa7#
      • 1...Kxa8
        • 2.Sd2#
        • 2.Sxf2#
        • 2.Sc3#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sf6#
      • 1...Rxh2
        • 2.Sc5#
      • 1...Rxg6
        • 2.Sc5#
      • 1...Rxa8
        • 2.Sc5#
      • 1...axb6
        • 2.Sc5#
        • 2.Sf6#
      • 1...Rf6
        • 2.Sc5#
        • 2.Qc8#
      • 1...a6
        • 2.Sc5#
        • 2.Sd6#
        • 2.Sf6#
        • 2.Ra7#
      • 1...Ka6!
  • Keys
    • 1.Rg5!
      • threat
        • 2.Sc5#
      • 1...Ka6
        • 2.Rxa7#
      • 1...Kc6
        • 2.Sf6#
      • 1...Kxa8
        • 2.Sf6#
      • 1...Rc6
        • 2.Rxa7#
      • 1...Rf3
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(b);SBLOCK::R1(I),XP(c)
    • R(e);OGATE::QAB1(J)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(C);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XB(D)::B(A)+S(E),DCHECK
        • R(b);XR(C)::B(A)+S(E),DCHECK
        • R(e);XR(I)::B(A)+S(E),DCHECK
      • Refutation
        • K(d);P_SPINP(c),S_FLIGHT
  • Actual
    • R(C);
    • Threat
      • B(A)+S(E),DCHECK
    • Vars
      • K(d);N_GUARD,P_SPINP(c),S_FLIGHT::R1(I),XP(c)
      • K(d);N_GUARD,S_FLIGHT::B(A)+S(E)
      • K(d);N_GUARD,P_SPINR(e),S_FLIGHT,XR(I)::B(A)+S(E)
      • R(b);SBLOCK::R1(I),XP(c)
      • R(e);OGATE::QAB1(J)
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).