Problem Display
PID: 6036 (8/2K1k1P1/2p5/2p3P1/2Q5/8/8/8 w - - 0 1)

Goldschmidt, Ervin

Magyar Sakkvilag, 1926

8/2K1k1P1/2p5/2p3P1/2Q5/8/8/8

#2

4 + 3


3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION


  • SOUND
  • Sets
    • 1...Ke8
      • 2.Qe6#
  • Tries
    • 1.Kc8?
      • 1...Ke8
        • 2.Qe6#
      • 1...Kd6!
    • 1.Qa2?
      • 1...Ke8
        • 2.Qe6#
      • 1...c4!
    • 1.Qb3?
      • 1...Ke8
        • 2.Qe6#
      • 1...c4!
    • 1.Qd5?
      • threat
        • 2.Qd7#
      • 1...Ke8
        • 2.Qe6#
        • 2.Qd7#
      • 1...cxd5!
    • 1.Qg4?
      • threat
        • 2.Qd7#
      • 1...Ke8
        • 2.Qe6#
        • 2.Qd7#
      • 1...Kf7!
    • 1.Qxc5+?
      • 1...Ke6
        • 2.g8Q#
        • 2.g8B#
      • 1...Ke8
        • 2.Qf8#
        • 2.g8Q#
      • 1...Kf7!
    • 1.g6?
      • threat
        • 2.Qf7#
      • 1...Ke8
        • 2.Qe2#
        • 2.Qe6#
        • 2.Qf7#
        • 2.Qe4#
      • 1...Kf6!
  • Keys
    • 1.g8B!
      • threat
        • 2.Qf7#
      • 1...Ke8
        • 2.Qf7#
      • 1...Kf8
        • 2.Qf7#

FEATURES


  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR2(A)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR2(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(c);P-FLIGHT::QAR2(A)
      • Refutation
        • P(a);
    • Try
      • Q(A);
      • Vars
        • K(c);P-FLIGHT::QAR2(A)
      • Refutation
        • P(a);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Refutation
        • P(b);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);CHECK,XP(a)
      • Vars
        • K(c);P-FLIGHT::P=Q
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • P(B);
      • Threat
        • QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • P(D);
    • Threat
      • QAR1(A)
    • Vars
      • K(c);P-FLIGHT::QAB1(A)
      • K(c);S_FLIGHT::QAR1(A)


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).