MESON Chess Problem Database

Problem Display
PID: 24566 (5KR1/1B6/8/5kP1/5P2/6b1/4Q3/3n4 w - - 0 1)

Fritz, Jindrich

Svobodne Slovo, 1950

5KR1/1B6/8/5kP1/5P2/6b1/4Q3/3n4

#2

6 + 3

5510 Vybrane Sachove Problemy 1979

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf4
      • 2.Qe4#
    • 1...Bxf4
      • 2.Bc8#
  • Tries
    • 1.Bf3?
      • threat
        • 2.Qe4#
        • 2.Qe5#
      • 1...Kxf4
        • 2.Qe4#
      • 1...Bxf4
        • 2.Bg4#
        • 2.Qe4#
      • 1...Sf2
        • 2.Qe5#
      • 1...Sc3
        • 2.Qe5#
      • 1...Se3!
    • 1.Qd3+?
      • 1...Kxf4
        • 2.Qe4#
      • 1...Ke6
        • 2.Bc8#
        • 2.Rg6#
        • 2.Qd5#
      • 1...Kg4!
    • 1.Qf3?
      • threat
        • 2.Bc8#
      • 1...Ke6
        • 2.Qd5#
      • 1...Bxf4!
    • 1.Qe6+?
      • 1...Kxf4
        • 2.Qe4#
      • 1...Kxe6!
  • Keys
    • 1.Rg6!
      • threat
        • 2.Rf6#
      • 1...Kxf4
        • 2.Qe4#
      • 1...Kxg6
        • 2.Be4#
      • 1...Bxf4
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT,XP(B)::QAR1(A)
    • B(b);SBLOCK,XP(B)::B(D)
  • Tries
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);P-FLIGHT,XP(B)::QAR1(A)
        • S(a);::QAR1(A)
      • Refutation
        • S(a);
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT,XP(B)::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • B(D)
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
      • Refutation
        • B(b);P_SPINB(b),XP(B)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT,XP(B)::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT,XQ(A)
  • Actual
    • R(F);
    • Threat
      • R1(F)
    • Vars
      • K(c);P-FLIGHT,XP(B)::QAR1(A)
      • K(c);S_FLIGHT,XR(F)::B(D)
      • B(b);SBLOCK,XP(B)::QAB1(A)
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).