MESON Chess Problem Database

Problem Display
PID: 187848 (8/6R1/8/K1pk1P1p/P2b3P/2pNp3/2B1P2B/6Q1 w - - 0 1)

Berger, Johann Nepomuk

Vasarnapi Ujsag, 1910

8/6R1/8/K1pk1P1p/P2b3P/2pNp3/2B1P2B/6Q1

#2

10 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sb4#
    • 1...Kc6
      • 2.Qh1#
      • 2.Qg2#
    • 1...c4
      • 2.Qh1#
      • 2.Qg2#
  • Tries
    • 1.Bb3+?
      • 1...Kc6
        • 2.Rc7#
        • 2.Qh1#
        • 2.Qg2#
      • 1...c4
        • 2.Qh1#
        • 2.Qg2#
      • 1...Ke4!
    • 1.Rd7+?
      • 1...Kc4
        • 2.Qg8#
      • 1...Ke4
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sf2#
        • 2.Sb4#
        • 2.Sxc5#
        • 2.Se5#
      • 1...Kc6!
  • Keys
    • 1.Qd1!
      • 1...Kc4
        • 2.Bb3#
      • 1...Ke4
        • 2.Sb4#
      • 1...Kc6
        • 2.Qh1#
      • 1...Bxg7
        • 2.Se5#
      • 1...Be5
        • 2.Sxe5#
      • 1...Bf6
        • 2.Se5#
      • 1...c4
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::B(B)+S(E)
  • Tries
    • Try
      • B(B);CHECK
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • R(J);CHECK
      • Vars
        • K(e);S_FLIGHT::QAB(A)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(e);S_FLIGHT::B(B)
      • K(e);S_FLIGHT::B(B)+S(E)
      • K(e);S_FLIGHT::QAB(A)
      • B(c);XR(J)::QAR(A)+S(E)
      • B(c);::QAR(A)+S(E),XB(c)
      • B(c);::QAR(A)+S(E)
      • P(d);SBLOCK::QAB(A)
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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).