MESON Chess Problem Database

Problem Display
PID: 56750 (8/8/1p6/nNkpQ3/K7/8/8/8 w - - 0 1)

de Villeneuve-Esclapon, Jean

Bulletin de la FFE, 1924

8/8/1p6/nNkpQ3/K7/8/8/8

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qc3#
      • 2.Qd4#
    • 1...Kc6
      • 2.Qc7#
    • 1...Sb3
      • 2.Qc3#
      • 2.Qc7#
    • 1...Sc4
      • 2.Qc7#
    • 1...Sc6
      • 2.Qc3#
    • 1...Sb7
      • 2.Qc3#
      • 2.Qc7#
  • Tries
    • 1.Qh2?
      • 1...Kc4
        • 2.Qc2#
      • 1...Kc6
        • 2.Qc7#
      • 1...Sb3
        • 2.Qc7#
        • 2.Qc2#
      • 1...Sc4
        • 2.Qc7#
      • 1...Sc6
        • 2.Qc2#
      • 1...Sb7
        • 2.Qc7#
        • 2.Qc2#
      • 1...d4!
    • 1.Qg3?
      • 1...Kc4
        • 2.Qc3#
      • 1...Kc6
        • 2.Qc7#
      • 1...Sb3
        • 2.Qc7#
        • 2.Qc3#
      • 1...Sc4
        • 2.Qc7#
      • 1...Sc6
        • 2.Qc3#
      • 1...Sb7
        • 2.Qc7#
        • 2.Qc3#
      • 1...d4!
    • 1.Qf4?
      • 1...Kc6
        • 2.Qc7#
      • 1...Sb3
        • 2.Qc7#
      • 1...Sc4
        • 2.Qc7#
      • 1...Sc6
        • 2.Qc1#
      • 1...Sb7
        • 2.Qc1#
        • 2.Qc7#
      • 1...d4!
    • 1.Qg7?
      • 1...Kc4
        • 2.Qc3#
        • 2.Qd4#
      • 1...Kc6
        • 2.Qc7#
      • 1...Sc4
        • 2.Qc7#
      • 1...Sb3
        • 2.Qc3#
        • 2.Qc7#
      • 1...Sc6
        • 2.Qc3#
      • 1...Sb7
        • 2.Qc3#
        • 2.Qc7#
      • 1...d4!
    • 1.Qh8?
      • 1...Kc4
        • 2.Qc3#
        • 2.Qd4#
      • 1...Kc6
        • 2.Qc8#
      • 1...Sc4
        • 2.Qc8#
      • 1...Sb3
        • 2.Qc3#
        • 2.Qc8#
      • 1...Sc6
        • 2.Qc3#
      • 1...Sb7
        • 2.Qc3#
        • 2.Qc8#
      • 1...d4!
    • 1.Qe7+?
      • 1...Kc6
        • 2.Sd4#
        • 2.Sa7#
        • 2.Qc7#
      • 1...Kc4!
  • Keys
    • 1.Qf5!
      • 1...Kc4
        • 2.Qc2#
      • 1...Kc6
        • 2.Qc8#
      • 1...Sc4
        • 2.Qc8#
      • 1...Sb3
        • 2.Qc2#
        • 2.Qc8#
      • 1...Sc6
        • 2.Qc2#
      • 1...Sb7
        • 2.Qc2#
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINP(c),P-FLIGHT::QAR1(C)
    • S(a);N_GUARD,SBLOCK::QAR2(C)
  • Tries
    • Try
      • Q(C);N_PINP(c)
      • Vars
        • K(b);P-FLIGHT::QAR2(C)
        • K(b);P-FLIGHT::QAR1(C)
        • S(a);N_GUARD,SBLOCK::QAR2(C)
        • S(a);N_GUARD,SBLOCK::QAR(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);N_PINP(c)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
        • S(a);N_GUARD,SBLOCK::QAR2(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);N_PINP(c)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
        • S(a);N_GUARD::QAR2(C)
        • S(a);N_GUARD,SBLOCK::QAR2(C)
        • S(a);N_GUARD,SBLOCK::QAR(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);N_PINP(c)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
        • S(a);N_GUARD,SBLOCK::QAR2(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);N_PINP(c)
      • Vars
        • K(b);P-FLIGHT::QAR2(C)
        • S(a);N_GUARD,SBLOCK::QAR(C)
        • S(a);N_GUARD,SBLOCK::QAR2(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);CHECK,N_PINP(c)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(b);N_SPINP(c),P-FLIGHT::QAR2(C)
      • S(a);N_GUARD,SBLOCK::QAR(C)
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).