MESON Chess Problem Database

Problem Display
PID: 121064 (Q7/3K2B1/6p1/p2N1n1q/Rp2kPP1/3r2r1/3P4/1B3R2 w - - 0 1)

Goldschmidt, Josef

Palestine Post, 1947

Q7/3K2B1/6p1/p2N1n1q/Rp2kPP1/3r2r1/3P4/1B3R2

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Sc3#
      • 2.Sf6#
    • 1...Sd6
      • 2.Sc3#
  • Tries
    • 1.Rxb4+?
      • 1...Sd4
        • 2.Sc3#
        • 2.Sf6#
        • 2.Rxd4#
      • 1...axb4!
    • 1.Qc6?
      • threat
        • 2.Qe6#
      • 1...Sxg7
        • 2.Qc4#
      • 1...Sd4
        • 2.Sc3#
        • 2.Sf6#
      • 1...Sh4
        • 2.Qc4#
      • 1...Sd6
        • 2.Sc3#
      • 1...Sh6
        • 2.Qc4#
      • 1...Se7
        • 2.Qc4#
      • 1...Se3!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qe6#
      • 1...Kxd5
        • 2.Qc6#
      • 1...Sxg7
        • 2.Qc4#
      • 1...Se3
        • 2.Qxd3#
      • 1...Sd4
        • 2.Sf6#
      • 1...Sh4
        • 2.Qc4#
      • 1...Sd6
        • 2.Sc3#
      • 1...Sh6
        • 2.Qc4#
      • 1...Se7
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(f);N_PINS(G)::QAB(J)+S(G),DCHECK
  • Tries
    • Try
      • R(D);CHECK,XP(c)
      • Refutation
        • P(e);XR(D)
    • Try
      • Q(J);
      • Threat
        • QAR2(J)
      • Vars
        • S(f);N_GUARD,XB(I)::QAR2(J)
        • S(f);N_GUARD::QAR2(J)
        • S(f);N_PINS(G)::QAB(J)+S(G),DCHECK
      • Refutation
        • S(f);
  • Actual
    • Q(J);
    • Threat
      • QAR2(J)
    • Vars
      • K(d);N_SPINP(c),N_SPINR(a),OGATEB,S_FLIGHT,XS(G)::QAB1(J)
      • S(f);N_GUARD,XB(I)::QAR2(J)
      • S(f);S_CUTR(b)::QAB1(J),XR(a)
      • S(f);N_PINS(G),N_SPINP(c),SBLOCK::S(G)
      • S(f);N_GUARD::QAR2(J)
      • S(f);N_PINS(G)::S(G)
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).