MESON Chess Problem Database

Problem Display
PID: 172 (2B1K1Rn/3n4/Qb3k2/1R3N2/8/8/8/8 w - - 0 1)

ten Cate, Pieter

De Maasbode, 1950

2B1K1Rn/3n4/Qb3k2/1R3N2/8/8/8/8

#2

6 + 4

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qxb6#
    • 1...Sc5
      • 2.Qa1#
  • Tries
    • 1.Sh4?
      • 1...Ke6
        • 2.Qxb6#
      • 1...Sg6
        • 2.Rxg6#
      • 1...Sc5
        • 2.Qa1#
      • 1...Sb8
        • 2.Rf5#
      • 1...Sf8
        • 2.Rf5#
      • 1...Sf7
        • 2.Rg6#
      • 1...Se5!
    • 1.Qa1+?
      • 1...Ke6
        • 2.Bxd7#
        • 2.Qe5#
      • 1...Se5
        • 2.Rxb6#
        • 2.Qxe5#
      • 1...Bd4!
  • Keys
    • 1.Se7!
      • 1...Ke6
        • 2.Qxb6#
      • 1...Sg6
        • 2.Rxg6#
      • 1...Sc5
        • 2.Qa1#
      • 1...Se5
        • 2.Sd5#
      • 1...Sb8
        • 2.Rf5#
      • 1...Sf8
        • 2.Rf5#
      • 1...Sf7
        • 2.Rg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,P_SPINS(c)::QAR(C),XB(a)
    • S(c);N_GUARD::QAB(C)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(b);P-FLIGHT,P_SPINS(c)::QAR(C),XB(a)
        • S(d);N_GUARD::R1(F),XS(d)
        • S(c);N_GUARD::QAB(C)
        • S(c);::R1(A)
        • S(d);N_GUARD::R1(F)
      • Refutation
        • S(c);
    • Try
      • Q(C);CHECK,N_PINB(a)
      • Refutation
        • B(a);P_SPINB(a)
  • Actual
    • S(B);
    • Vars
      • K(b);P-FLIGHT,P_SPINS(c)::QAR(C),XB(a)
      • S(d);N_GUARD::R1(F),XS(d)
      • S(c);N_GUARD::QAB(C)
      • S(c);SBLOCK::S(B)
      • S(c);::R1(A)
      • S(d);N_GUARD::R1(F)
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).