MESON Chess Problem Database

Problem Display
PID: 9809 (rkNR4/8/b7/8/5K2/5Q2/8/8 w - - 0 1)

Mach, Julius Zdenek

Deutsche Schachbund, 1910

rkNR4/8/b7/8/5K2/5Q2/8/8

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Tries
    • 1.Sd6+?
      • 1...Ka7
        • 2.Qf2#
        • 2.Qe3#
      • 1...Bc8
        • 2.Qb7#
      • 1...Kc7!
    • 1.Qc6?
      • 1...Bxc8
        • 2.Qb6#
      • 1...Bf1
        • 2.Qb6#
      • 1...Be2
        • 2.Qb6#
      • 1...Bd3
        • 2.Qb6#
      • 1...Bc4
        • 2.Qb6#
      • 1...Bb5
        • 2.Qb6#
      • 1...Bb7
        • 2.Qd6#
      • 1...Ra7!
    • 1.Qf2?
      • 1...Kb7
        • 2.Qb6#
      • 1...Kc7
        • 2.Qb6#
      • 1...Bxc8
        • 2.Qb6#
      • 1...Ra7
        • 2.Qxa7#
      • 1...Bf1
        • 2.Qb6#
      • 1...Be2
        • 2.Qb6#
      • 1...Bd3
        • 2.Qb6#
      • 1...Bc4
        • 2.Qb6#
      • 1...Bb5
        • 2.Qb6#
      • 1...Bb7!
  • Keys
    • 1.Qe3!
      • 1...Kb7
        • 2.Qb6#
      • 1...Kc7
        • 2.Qb6#
      • 1...Bxc8
        • 2.Qb6#
      • 1...Ra7
        • 2.Qxa7#
      • 1...Bb7
        • 2.Qe5#
      • 1...Bf1
        • 2.Qb6#
      • 1...Be2
        • 2.Qb6#
      • 1...Bd3
        • 2.Qb6#
      • 1...Bc4
        • 2.Qb6#
      • 1...Bb5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • B(a);P_SPINB(a)::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • B(a);N_GUARD,P_SPINB(a),XS(C)::QAR2(A)
        • B(a);N_GUARD::QAR2(A)
        • B(a);SBLOCK::QAB(A)
      • Refutation
        • R(b);
    • Try
      • Q(A);
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
        • K(c);S_FLIGHT::QAB1(A)
        • B(a);N_GUARD,P_SPINB(a),XS(C)::QAR2(A)
        • R(b);N_GUARD::QAB1(A),XR(b)
        • B(a);N_GUARD::QAR2(A)
      • Refutation
        • B(a);
  • Actual
    • Q(A);
    • Vars
      • K(c);P-FLIGHT::QAR1(A)
      • K(c);S_FLIGHT::QAB1(A)
      • B(a);N_GUARD,P_SPINB(a),XS(C)::QAR2(A)
      • R(b);N_GUARD::QAB1(A),XR(b)
      • B(a);SBLOCK::QAB(A)
      • B(a);N_GUARD::QAR2(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).