MESON Chess Problem Database

Problem Display
PID: 74541 (2b2r1n/KppQ3r/1R2np2/7p/4pk2/4N3/1B1PPb2/5NR1 w - - 0 1)

Gamage, Frederick

1st HM., 03. Hochberg MT, 1944

2b2r1n/KppQ3r/1R2np2/7p/4pk2/4N3/1B1PPb2/5NR1

#2

9 + 12

5397 Frederick Gamage (Prcic) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Sd5#
    • 1...Sg5
      • 2.Sg2#
      • 2.Sd5#
    • 1...Sg7
      • 2.Sd5#
      • 2.Qxc7#
    • 1...Sd8
      • 2.Sd5#
    • 1...h4
      • 2.Rg4#
    • 1...f5
      • 2.Sd5#
    • 1...cxb6
      • 2.Qd6#
    • 1...c5
      • 2.Qd6#
    • 1...c6
      • 2.Qd6#
  • Tries
    • 1.Qxh7?
      • threat
        • 2.Sd5#
        • 2.Qf5#
      • 1...Bxg1
        • 2.Qf5#
      • 1...Bxe3
        • 2.dxe3#
      • 1...Bg3
        • 2.Qf5#
      • 1...Sd4
        • 2.Qxc7#
      • 1...Rd8
        • 2.Qf5#
      • 1...Sc5
        • 2.Sd5#
        • 2.Qh6#
        • 2.Qxc7#
      • 1...Sg5
        • 2.Sd5#
        • 2.Qxc7#
      • 1...Sg7
        • 2.Sd5#
        • 2.Qh6#
      • 1...Sd8
        • 2.Sd5#
        • 2.Qh6#
        • 2.Qxc7#
      • 1...f5
        • 2.Sd5#
      • 1...c6
        • 2.Qf5#
      • 1...Sg6!
  • Keys
    • 1.Rb5!
      • threat
        • 2.Rf5#
      • 1...Bxe3+
        • 2.dxe3#
      • 1...Sd4
        • 2.Sg2#
      • 1...Sc5
        • 2.Sd5#
      • 1...Sg7
        • 2.Qxc7#
      • 1...f5
        • 2.Be5#
      • 1...c5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • S(e);::S(F)
    • P(d);N_GUARD::R1(B)
    • P(f);SBLOCK::S(F)
    • P(h);N_GUARD,XR(G)::QAB(I)
    • P(h);N_GUARD::QAB(I)
  • Tries
    • Try
      • Q(I);XR(i)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XR(B)::QAR1(I)
        • B(a);OGATE,P_PINR(G),XS(F)::P(D),XB(a)
        • B(a);::QAR1(I)
        • S(e);N_GUARD::QAB(I),XP(h)
        • R(k);::QAR1(I)
        • P(f);::S(F)
        • P(h);::QAR1(I)
      • Refutation
        • S(l);
  • Actual
    • R(G);P_SPINS(F)
    • Threat
      • R1(G)
    • Vars
      • B(a);CHECK,OGATE,XS(F)::P(D),XB(a)
      • S(e);N_PINS(F)::S(F)
      • S(e);N_GUARD,S_CUTR(i)::QAB(I),XP(h)
      • P(f);N_GUARD::B(C)
      • P(h);N_GUARD,N_PINS(F)::QAB(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).