Problem Display
PID: 39112 (6k1/2r5/2bP2K1/4Qp2/8/8/8/8 w - - 0 1)

Baier, Silvio

Rochade Europa, 2001

6k1/2r5/2bP2K1/4Qp2/8/8/8/8

#2

3 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Kf8
      • 2.Qh8#
    • 1...Rd7
      • 2.Qe8#
    • 1...Rg7+
      • 2.Qxg7#
    • 1...Rc8
      • 2.Qg7#
    • 1...Bh1
      • 2.Qe8#
    • 1...Bg2
      • 2.Qe8#
    • 1...Bf3
      • 2.Qe8#
    • 1...Be4
      • 2.Qe8#
    • 1...Bd5
      • 2.Qe8#
    • 1...Bb7
      • 2.Qe8#
    • 1...Bd7
      • 2.Qg7#
    • 1...Ba8
      • 2.Qe8#
    • 1...Be8+
      • 2.Qxe8#
  • Tries
    • 1.dxc7?
      • threat
        • 2.Qg7#
      • 1...Be8+
        • 2.Qxe8#
      • 1...Kf8!
  • Keys
    • 1.d7!
      • threat
        • 2.Qg7#
        • 2.Qe8#
      • 1...Kf8
        • 2.Qg7#
        • 2.Qe8#
      • 1...Rxd7
        • 2.Qe8#
      • 1...Bxd7
        • 2.Qg7#
      • 1...Rc8
        • 2.Qg7#

There are these versions: 160990

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 10
  • Sets
    • K(d);P-FLIGHT::QAR2(A)
    • R(c);S_CUTB(b)::QAR2(A)
    • R(c);CHECK,N_GUARD::QAR1(A),XR(c)
    • R(c);N_GUARD::QAR1(A)
    • B(b);N_GUARD::QAR2(A)
    • B(b);S_CUTR(c)::QAR1(A)
    • B(b);CHECK,N_GUARD::QAR2(A),XB(b)
  • Tries
    • Try
      • P(B);XR(c)
      • Threat
        • QAR1(A)
      • Vars
        • B(b);CHECK,N_GUARD::QAR2(A),XB(b)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • P(B);
    • Threat
      • DUALS(2)
    • Vars
      • R(c);XP(B)::QAR2(A)
      • B(b);XP(B)::QAR1(A)
      • R(c);::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).