Problem Display
PID: 192610 (4R1K1/3k4/8/b7/8/5B2/7Q/8 w - - 0 1)

Mlynka, Karol

Sachova skladba, 2010

4R1K1/3k4/8/b7/8/5B2/7Q/8

#2

4 + 2


5454 Near Snap 2022

SOLUTION


  • SOUND
  • Tries
    • 1.Qd6+?
      • 1...Kxe8
        • 2.Bh5#
        • 2.Bc6#
      • 1...Kxd6!
    • 1.Qh6?
      • threat
        • 2.Qc6#
      • 1...Kc7
        • 2.Qc6#
      • 1...Kxe8!
    • 1.Qh7+?
      • 1...Kd6
        • 2.Qe7#
      • 1...Kxe8!
  • Keys
    • 1.Qh4!
      • threat
        • 2.Qe7#
      • 1...Kd6
        • 2.Qe7#
      • 1...Kc7
        • 2.Qd8#
      • 1...Kxe8
        • 2.Bc6#
      • 1...Bd8
        • 2.Qxd8#
      • 1...Bb4
        • 2.Qd8#

Anticipated by 231425(1927)

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(b);P-FLIGHT::QAB1(A)
      • K(b);S_FLIGHT,XR(C)::B(B)
      • B(a);N_GUARD::QAR1(A),XB(a)
      • B(a);N_GUARD::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).