MESON Chess Problem Database

Problem Display
PID: 93852 (8/3p4/5p2/4kp1K/1R1NrN2/6Q1/8/4R3 w - - 0 1)

Palkoska, Emil

Ceske listy sachove, 1898

8/3p4/5p2/4kp1K/1R1NrN2/6Q1/8/4R3

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Sd3#
      • 2.Sg6#
    • 1...d6
      • 2.Sf3#
      • 2.Sc6#
  • Tries
    • 1.Rb5+?
      • 1...Kxd4
        • 2.Qd3#
      • 1...d5
        • 2.Rxd5#
      • 1...Kd6!
  • Keys
    • 1.Qc3!
      • 1...Kxf4
        • 2.Se2#
      • 1...Kd6
        • 2.Sxf5#
      • 1...Rxe1
        • 2.Sb5#
      • 1...Re2
        • 2.Sb5#
      • 1...Re3
        • 2.Sb5#
      • 1...d5
        • 2.Qc7#
      • 1...d6
        • 2.Sde6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(b);N_SPINR(a),S_FLIGHT,XS(D)::QAR1(B)
        • P(e);P_SPINP(e)::R1(C),XP(e)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(b);N_SPINR(a),S_FLIGHT,XS(E)::S(D)
      • K(b);N_SPINR(a),S_FLIGHT::S(D),XP(c)
      • R(a);N_SPINR(a),XR(A)::QAB(B)+S(D)
      • R(a);::QAB(B)+S(D)
      • P(e);N_GUARD::QAB(B)
      • P(e);SBLOCK::QAB(B)+S(D)
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).