MESON Chess Problem Database

Problem Display
PID: 110159 (8/N4K2/3pRp2/4b3/2p1k1pP/2p1P1P1/2P3P1/4Q1B1 w - - 0 1)

Labai, Zoltan

Sachove umeni (Ceskoslovensky sach), 1973

8/N4K2/3pRp2/4b3/2p1k1pP/2p1P1P1/2P3P1/4Q1B1

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.e4#
    • 1...Kf5
      • 2.e4#
  • Tries
    • 1.Sb5?
      • 1...Kf5
        • 2.e4#
      • 1...d5
        • 2.Sd6#
      • 1...f5
        • 2.Sxc3#
      • 1...Kd5!
    • 1.Qd1?
      • 1...d5
        • 2.Qxg4#
      • 1...f5
        • 2.Qd4#
      • 1...Kf5!
    • 1.Qf1?
      • 1...d5
        • 2.Qf4#
      • 1...f5
        • 2.Qxc4#
      • 1...Kd5!
  • Keys
    • 1.Qe2!
      • 1...Kd5
        • 2.e4#
      • 1...Kf5
        • 2.e4#
      • 1...d5
        • 2.Qxg4#
      • 1...f5
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINB(e),OGATE,S_FLIGHT::P(E)
  • Tries
    • Try
      • S(I);
      • Vars
        • K(c);N_SPINB(e),OGATE,S_FLIGHT::P(E)
        • P(f);SBLOCK::S(I)
        • P(g);SBLOCK::S(I),XP(a)
      • Refutation
        • K(c);N_SPINB(e),S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(f);SBLOCK::QAR2(A),XP(d)
        • P(g);SBLOCK::QAR1(A)
      • Refutation
        • K(c);N_SPINB(e),S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(f);SBLOCK::QAR1(A)
        • P(g);SBLOCK::QAR2(A),XP(b)
      • Refutation
        • K(c);N_SPINB(e),S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(c);N_SPINB(e),OGATE,S_FLIGHT::P(E)
      • P(f);SBLOCK::QAR2(A),XP(d)
      • P(g);SBLOCK::QAR2(A),XP(b)
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).