MESON Chess Problem Database

Problem Display
PID: 11617 (K7/8/8/1k6/1NN5/B7/Q7/5B2 w - - 0 1)

Zappas, Byron

Ekakstika Chronika, 1970

K7/8/8/1k6/1NN5/B7/Q7/5B2

#2

6 + 1

102 Probleemblad 1977
3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Tries
    • 1.Bg2?
      • 1...Ka4
        • 2.Bc6#
      • 1...Kc5!
    • 1.Bh3?
      • 1...Ka4
        • 2.Bd7#
      • 1...Kc5!
    • 1.Bb2?
      • threat
        • 2.Qa5#
      • 1...Kc5
        • 2.Qa5#
      • 1...Kxb4!
    • 1.Qa1?
      • 1...Kc5
        • 2.Qe5#
      • 1...Ka4!
    • 1.Qb2?
      • 1...Kc5
        • 2.Qe5#
      • 1...Ka4!
    • 1.Qd2?
      • 1...Kc5
        • 2.Qd5#
      • 1...Ka4!
    • 1.Qe2?
      • 1...Kc5
        • 2.Qe5#
      • 1...Ka4!
    • 1.Qg2?
      • threat
        • 2.Qc6#
      • 1...Kc5
        • 2.Qd5#
      • 1...Ka4!
    • 1.Qh2?
      • 1...Kc5
        • 2.Qe5#
      • 1...Ka4!
  • Keys
    • 1.Sd5!
      • 1...Ka4
        • 2.Sc3#
      • 1...Ka6
        • 2.Sc7#
      • 1...Kc6
        • 2.Se5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(C);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT,XS(D)
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::S(D)
      • K(a);S_FLIGHT::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).