MESON Chess Problem Database

Problem Display
PID: 2248 (8/4K3/4Q3/5pBp/6k1/4R3/4n2P/5N1r w - - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

8/4K3/4Q3/5pBp/6k1/4R3/4n2P/5N1r

#2

6 + 5

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Rg3#
    • 1...Sg1
      • 2.Rg3#
    • 1...Sc3
      • 2.Rg3#
    • 1...Sg3
      • 2.Rxg3#
    • 1...Sd4
      • 2.Rg3#
    • 1...Sf4
      • 2.Rg3#
  • Tries
    • 1.Kf6?
      • threat
        • 2.Qxf5#
      • 1...Rxf1
        • 2.h3#
      • 1...Sg3
        • 2.Rxg3#
      • 1...Sd4
        • 2.Rg3#
      • 1...h4!
    • 1.Qh6?
      • 1...Rxf1
        • 2.h3#
      • 1...Rxh2
        • 2.Sxh2#
      • 1...Sg3
        • 2.Rxg3#
      • 1...Rg1
        • 2.h3#
      • 1...Sc1
        • 2.Rg3#
      • 1...Sg1
        • 2.Rg3#
      • 1...Sc3
        • 2.Rg3#
      • 1...Sd4
        • 2.Rg3#
      • 1...Sf4
        • 2.Rg3#
      • 1...h4
        • 2.Qxh4#
      • 1...f4!
  • Keys
    • 1.Qg6!
      • 1...Rxf1
        • 2.h3#
      • 1...Rxh2
        • 2.Sxh2#
      • 1...Sg3
        • 2.Rxg3#
      • 1...f4
        • 2.Bf6#
      • 1...Rg1
        • 2.h3#
      • 1...Sc1
        • 2.Rg3#
      • 1...Sg1
        • 2.Rg3#
      • 1...Sc3
        • 2.Rg3#
      • 1...Sd4
        • 2.Rg3#
      • 1...Sf4
        • 2.Rg3#
      • 1...h4
        • 2.Bh6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::R1(C)
    • S(b);N_GUARD::R1(C),XS(b)
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Threat
        • QAB1(E),XP(d)
      • Vars
        • R(a);N_GUARD,XS(A)::P(B)
        • S(b);N_GUARD::R1(C),XS(b)
        • S(b);N_GUARD::R1(C)
      • Refutation
        • P(e);
    • Try
      • Q(E);N_PINP(d)
      • Vars
        • R(a);N_GUARD,XS(A)::P(B)
        • R(a);XP(B)::S(A),XR(a)
        • S(b);N_GUARD::R1(C),XS(b)
        • R(a);N_GUARD::P(B)
        • S(b);N_GUARD::R1(C)
        • P(e);OGATE::QAR1(E),XP(e)
      • Refutation
        • P(d);
  • Actual
    • Q(E);N_PINP(d)
    • Vars
      • R(a);N_GUARD,XS(A)::P(B)
      • R(a);XP(B)::S(A),XR(a)
      • S(b);N_GUARD::R1(C),XS(b)
      • P(d);SBLOCK::QAR(E)+B(D)
      • R(a);N_GUARD::P(B)
      • S(b);N_GUARD::R1(C)
      • P(e);SBLOCK::QAR(E)+B(D)
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).