MESON Chess Problem Database

Problem Display
PID: 74783 (4bN2/Q2pP2r/2k2qRr/2p2Np1/P7/2P2R2/8/5KBB w - - 0 1)

Gamage, Frederick

Chess Problem, 1945

4bN2/Q2pP2r/2k2qRr/2p2Np1/P7/2P2R2/8/5KBB

#2

11 + 8

5397 Frederick Gamage (Prcic) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6
      • 2.Rh3#
  • Tries
    • 1.Rd3+?
      • 1...d5
        • 2.Bxd5#
      • 1...Rxh1!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qxc5#
      • 1...Qxf3+
        • 2.Bxf3#
      • 1...Kd5
        • 2.Qxc5#
      • 1...Kxd6
        • 2.Qxc5#
      • 1...Qxc3
        • 2.Qb7#
      • 1...Qxd6
        • 2.Rh3#
      • 1...Qd4
        • 2.Qb7#
      • 1...Qe5
        • 2.Qb7#
      • 1...Qf5
        • 2.Qb7#
      • 1...c4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • Q(d);S_CUTP(f)::B(C)+R(E)
  • Tries
    • Try
      • R(E);CHECK,P_SPINS(G)
      • Vars
        • P(f);P_SPINP(f)::B(C),XP(f)
      • Refutation
        • R(e);P_PINB(B),XB(C)
  • Actual
    • S(G);N_PINQ(d),P_SPINR(E)
    • Threat
      • QAR1(I),XP(a)
    • Vars
      • Q(d);CHECK,OGATE,P_SPINQ(d),XR(E)::B(C),XQ(d)
      • K(c);S_FLIGHT::QAR1(I),XP(a)
      • K(c);P-FLIGHT,P_SPINQ(d),XS(G)::QAB1(I),XP(a)
      • Q(d);N_PINR(E),XP(D)::QAB1(I)
      • Q(d);N_PINR(E),P_SPINQ(d),XS(G)::B(C)+R(E)
      • Q(d);N_PINR(E)::QAB1(I)
      • Q(d);::QAB1(I)
      • P(a);::QAR1(I)
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).