MESON Chess Problem Database

Problem Display
PID: 270836 (1Q6/4N1Nb/3nB3/8/4n2k/6R1/2Kb1B2/8 w - - 0 1)

Manning, Rob T

Sunday Referee, 1932

(First published on Sun May 22 1932)

1Q6/4N1Nb/3nB3/8/4n2k/6R1/2Kb1B2/8

#2

7 + 5

15239 Valois Notebooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bg5
      • 2.Rh3#
    • 1...Bg6
      • 2.Sxg6#
    • 1...Bg8
      • 2.Sg6#
    • 1...Sc3+
      • 2.Rg6#
    • 1...Sc5+
      • 2.Rg6#
    • 1...Sg5+
      • 2.Rd3#
    • 1...Sf6+
      • 2.Rg6#
  • Tries
    • 1.Rg6+?
      • 1...Sg3
        • 2.Bxg3#
      • 1...Sxf2!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Sef5#
        • 2.Sg6#
      • 1...Sxf2+
        • 2.Sef5#
      • 1...Sxg3+
        • 2.Sg6#
      • 1...Sg5+
        • 2.Rd3#
      • 1...Sf6+
        • 2.Rg6#
      • 1...Bg5
        • 2.Rh3#
      • 1...Bf5
        • 2.Sexf5#
        • 2.Sg6#
      • 1...Bg6
        • 2.Sef5#
        • 2.Sxg6#
      • 1...Sf5
        • 2.Sexf5#
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(a);SBLOCK::B(B)+R(C),DCHECK
    • B(e);N_GUARD::S(E),XB(e)
    • B(e);N_GUARD::S(E)
    • S(b);CHECK,N_GUARD::B(B)+R(C)
    • S(b);CHECK,N_GUARD,SBLOCK::B(B)+R(C)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • S(b);N_GUARD,P_PINR(C),P_SPINS(b)::B(B),XS(b)
      • Refutation
        • S(b);P_PINR(C),XB(B)
  • Actual
    • Q(G);
    • Threat
      • DUALS(2)
    • Vars
      • S(b);CHECK,XB(B)::QAB(G)+S(E),DCHECK
      • S(b);CHECK,P_SPINS(b),XR(C)::QAB(G)+S(E),DCHECK
      • S(b);CHECK,N_GUARD,SBLOCK::B(B)+R(C)
      • S(b);CHECK,N_GUARD::B(B)+R(C)
      • B(a);SBLOCK::B(B)+R(C),DCHECK
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).