MESON Chess Problem Database

Problem Display
PID: 93571 (8/R3p3/1B6/1bb3K1/3k1N2/1Q4p1/5P2/5n2 w - - 0 1)

Kondelik, Karel

Humoristicke listy, 1887

8/R3p3/1B6/1bb3K1/3k1N2/1Q4p1/5P2/5n2

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qd5#
    • 1...Ke5
      • 2.Qd5#
  • Tries
    • 1.Bxc5+?
      • 1...Ke4
        • 2.Rxe7#
        • 2.Qd5#
      • 1...Ke5
        • 2.Rxe7#
        • 2.Qd5#
        • 2.Qe6#
      • 1...Kxc5!
    • 1.Rd7+?
      • 1...Ke4
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#
        • 2.Qe6#
      • 1...Bxd7!
    • 1.Qc3+?
      • 1...Ke4
        • 2.f3#
      • 1...Kxc3!
    • 1.Qd3+?
      • 1...Ke5
        • 2.Qd5#
      • 1...Bxd3!
  • Keys
    • 1.Kf5!
      • threat
        • 2.Se6#
      • 1...Bd3+
        • 2.Qxd3#
      • 1...Bd7+
        • 2.Rxd7#
      • 1...Se3+
        • 2.fxe3#
      • 1...e6+
        • 2.Sxe6#
      • 1...Bc4
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • K(c);N_SPINB(e),P-FLIGHT::QAB1(B)
    • K(c);N_SPINB(e),S_FLIGHT::QAR1(B)
  • Tries
    • Try
      • B(E);CHECK,XB(e)
      • Refutation
        • K(c);S_FLIGHT,XB(E)
    • Try
      • R(F);CHECK
      • Vars
        • K(c);N_SPINB(e),P-FLIGHT::QAB1(B)
      • Refutation
        • B(d);XR(F)
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);N_SPINB(e),P-FLIGHT::P(A)
      • Refutation
        • K(c);N_SPINB(e),S_FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);N_SPINB(e),OGATE,S_FLIGHT::QAR1(B)
      • Refutation
        • B(d);XQ(B)
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • S(C)
    • Vars
      • B(d);CHECK,N_GUARD::QAR1(B),XB(d)
      • B(d);CHECK,N_GUARD::R(F),XB(d)
      • S(a);CHECK,OGATE::P(A),XS(a)
      • P(f);CHECK::S(C),XP(f)
      • B(d);SBLOCK::QAB(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).