MESON Chess Problem Database

Problem Display
PID: 23751 (8/8/8/8/K4Q2/2B5/kp2N3/1n6 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1996

8/8/8/8/K4Q2/2B5/kp2N3/1n6

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qb8?
      • threat
        • 2.Qxb2#
      • 1...Ka1
        • 2.Qxb2#
      • 1...Sxc3+!
    • 1.Qb4?
      • threat
        • 2.Qxb2#
      • 1...Ka1
        • 2.Qxb2#
      • 1...Sxc3+!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qxb2#
      • 1...Sxc3+
        • 2.Sxc3#
      • 1...Ka1
        • 2.Qxb2#
      • 1...bxc1Q
        • 2.Sxc1#
      • 1...bxc1S
        • 2.Sxc1#
      • 1...bxc1B
        • 2.Sxc1#
      • 1...bxc1R
        • 2.Sxc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAR1(D),XP(c)
      • Vars
        • K(b);P-FLIGHT,P_SPINP(c)::QAB1(D),XP(c)
      • Refutation
        • S(a);CHECK,XB(B)
    • Try
      • Q(D);
      • Threat
        • QAR1(D),XP(c)
      • Vars
        • K(b);P-FLIGHT,P_SPINP(c)::QAB1(D),XP(c)
      • Refutation
        • S(a);CHECK,XB(B)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D),XP(c)
    • Vars
      • S(a);CHECK,XB(B)::S(A),XS(a)
      • K(b);P-FLIGHT,P_SPINP(c),P_SPINS(a)::QAB1(D),XP(c)
      • P(c);XQ(D)::S(A),XQ(c)
      • P(c);XQ(D)::S(A),XS(c)
      • P(c);XQ(D)::S(A),XB(c)
      • P(c);XQ(D)::S(A),XR(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).