MESON Chess Problem Database

Problem Display
PID: 39542 (KN1Q2B1/p7/r2n4/p1k5/1n6/2N1Pp1b/1R1p4/3q4 w - - 0 1)

Vesz, Tibor

11th Comm., BCF 022. Ty., 1936-1937

KN1Q2B1/p7/r2n4/p1k5/1n6/2N1Pp1b/1R1p4/3q4

#2

7 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Sa4#
    • 1...Sc6
      • 2.Sxa6#
    • 1...Sc4
      • 2.Qd4#
    • 1...Se4
      • 2.Qd4#
    • 1...Sb5
      • 2.Se4#
    • 1...Sb7
      • 2.Qd4#
    • 1...Sf7
      • 2.Qd4#
    • 1...Sc8
      • 2.Qd4#
    • 1...Se8
      • 2.Qd4#
  • Tries
    • 1.Sxa6+?
      • 1...Kc6
        • 2.Qc7#
      • 1...Sxa6!
    • 1.Qxa5+?
      • 1...Sb5
        • 2.Se4#
      • 1...Rxa5!
    • 1.Qc7+?
      • 1...Sc6
        • 2.Sxa6#
      • 1...Rc6!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qd4#
      • 1...Kb6
        • 2.Qxd6#
      • 1...Sc2
        • 2.Sa4#
        • 2.Qe5#
      • 1...Sc6
        • 2.Sxa6#
      • 1...Sb5
        • 2.Se4#
      • 1...Sf5
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • S(e);S_CUTQ(a)::S(B)
    • S(e);N_GUARD,SBLOCK::S(E),XR(h)
    • S(i);OGATE::QAB1(F)
    • S(i);N_GUARD,SBLOCK::S(B)
  • Tries
    • Try
      • S(E);CHECK,XR(h)
      • Vars
        • K(g);P-FLIGHT::QAR1(F)
      • Refutation
        • S(e);XS(E)
    • Try
      • Q(F);CHECK,XP(f)
      • Vars
        • S(i);P_SPINS(i)::S(B)
      • Refutation
        • R(h);XQ(F)
    • Try
      • Q(F);CHECK
      • Vars
        • S(e);P_SPINS(e)::S(E),XR(h)
      • Refutation
        • R(h);P_SPINR(h)
  • Actual
    • Q(F);
    • Threat
      • QAB1(F)
    • Vars
      • K(g);P_SPINS(e),S_FLIGHT::QAR2(F),XS(i)
      • S(e);N_GUARD,SBLOCK::S(E),XR(h)
      • S(i);N_GUARD,SBLOCK::S(B)
      • S(i);S_CUTB(d)::S(E)
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).