MESON Chess Problem Database

Problem Display
PID: 10048 (8/6p1/2N3P1/3p1NkP/R5P1/6R1/5K2/Q7 w - - 0 1)

Kaiser, Gerhard

Kuntsche, Werner

Schach, 1961

8/6p1/2N3P1/3p1NkP/R5P1/6R1/5K2/Q7

#2

9 + 3

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Tries
    • 1.Sxg7?
      • 1...Kh4
        • 2.Qf6#
      • 1...Kh6
        • 2.g5#
      • 1...d4!
    • 1.Scd4?
      • threat
        • 2.Sf3#
        • 2.Se6#
      • 1...Kf4
        • 2.Se6#
      • 1...Kf6!
    • 1.Qe1?
      • threat
        • 2.Qe7#
      • 1...Kf6
        • 2.Qe7#
      • 1...d4!
    • 1.Qa3?
      • threat
        • 2.Qe7#
      • 1...Kf6
        • 2.Qe7#
      • 1...d4!
  • Keys
    • 1.Sfd4!
      • 1...Kf4
        • 2.Se6#
      • 1...Kh4
        • 2.Sf3#
      • 1...Kf6
        • 2.g5#
      • 1...Kh6
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);XP(c)
      • Vars
        • K(b);S_FLIGHT::QAB(A)
        • K(b);OGATE,S_FLIGHT::P(E)
      • Refutation
        • P(a);
    • Try
      • S(H);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT::R(D)+S(H),DCHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • P(a);
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • P(a);
  • Actual
    • S(F);
    • Vars
      • K(b);S_FLIGHT::R(D)+S(F),DCHECK
      • K(b);S_FLIGHT::S(F)
      • K(b);OGATE,S_FLIGHT::P(E)
      • K(b);S_FLIGHT::QAB(A)
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).