MESON Chess Problem Database

Problem Display
PID: 208723 (K7/8/2R5/1kp1P1Q1/8/8/2B5/8 w - - 0 1)

Dukic, Milenko

Land og Folk, 1978

K7/8/2R5/1kp1P1Q1/8/8/2B5/8

#2

5 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qe3?
      • threat
        • 2.Qxc5#
      • 1...Kb4
        • 2.Qxc5#
      • 1...Kc4
        • 2.Qxc5#
      • 1...Ka5
        • 2.Qxc5#
      • 1...c4
        • 2.Qc5#
        • 2.Qb6#
      • 1...Kxc6!
    • 1.Qg1?
      • threat
        • 2.Qxc5#
      • 1...Kb4
        • 2.Qxc5#
      • 1...Kc4
        • 2.Qxc5#
      • 1...Ka5
        • 2.Qxc5#
      • 1...c4
        • 2.Qc5#
        • 2.Qb6#
      • 1...Kxc6!
    • 1.e6?
      • threat
        • 2.Qxc5#
      • 1...Kb4
        • 2.Qxc5#
      • 1...Kc4
        • 2.Qxc5#
      • 1...Ka5
        • 2.Qxc5#
      • 1...Kxc6!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qxc5#
      • 1...Kb4
        • 2.Qxc5#
      • 1...Kc4
        • 2.Qxc5#
      • 1...Ka5
        • 2.Qxc5#
      • 1...Kxc6
        • 2.Qb7#
      • 1...c4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR1(C),XP(b)
      • Vars
        • K(a);P-FLIGHT::QAB1(C),XP(b)
        • K(a);P_SPINP(b),S_FLIGHT::QAR1(C),XP(b)
        • K(a);P-FLIGHT::QAR2(C),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XR(D)
    • Try
      • Q(C);
      • Threat
        • QAR1(C),XP(b)
      • Vars
        • K(a);P-FLIGHT::QAB1(C),XP(b)
        • K(a);P_SPINP(b),S_FLIGHT::QAR1(C),XP(b)
        • K(a);P-FLIGHT::QAR2(C),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XR(D)
    • Try
      • P(B);P_PINP(b)
      • Threat
        • QAR1(C),XP(b)
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAB1(C),XP(b)
        • K(a);S_FLIGHT::QAR1(C),XP(b)
        • K(a);P-FLIGHT::QAR2(C),XP(b)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT,XR(D)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C),XP(b)
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b)::QAB1(C),XP(b)
      • K(a);P_SPINP(b),S_FLIGHT::QAR1(C),XP(b)
      • K(a);P-FLIGHT::QAR2(C),XP(b)
      • K(a);S_FLIGHT,XR(D)::QAB1(C)
      • P(b);::QAR1(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).