MESON Chess Problem Database

Problem Display
PID: 175707 (7K/1Q6/1PN1P3/2pp4/8/3k2P1/1P1p1P2/3B4 w - - 0 1)

Wild, Otto

Nove parizske mody, 1898

7K/1Q6/1PN1P3/2pp4/8/3k2P1/1P1p1P2/3B4

#2

9 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qa6#
    • 1...Ke4
      • 2.Qh7#
    • 1...c4
      • 2.Qh7#
    • 1...d4
      • 2.Se5#
  • Tries
    • 1.Sb4+?
      • 1...Kd4
        • 2.Qxd5#
      • 1...Ke4
        • 2.Qxd5#
      • 1...cxb4
        • 2.Qxd5#
      • 1...Kc4!
    • 1.Qa7?
      • 1...Kc4
        • 2.Qa6#
      • 1...Ke4
        • 2.Qh7#
      • 1...c4
        • 2.Qh7#
      • 1...d4!
    • 1.g4?
      • 1...Kc4
        • 2.Qa6#
      • 1...d4
        • 2.Se5#
      • 1...c4
        • 2.Qh7#
      • 1...Ke4!
  • Keys
    • 1.Kg8!
      • 1...Kc4
        • 2.Qa6#
      • 1...Ke4
        • 2.Qh7#
      • 1...c4
        • 2.Qh7#
      • 1...d4
        • 2.Se5#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB(H)
    • P(c);SBLOCK::QAB(H)
    • P(d);SBLOCK::S(F)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(H),XP(d)
        • K(b);P_SPINP(d),S_FLIGHT::QAB1(H),XP(d)
        • P(c);XS(F)::QAR2(H),XP(d)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT::QAB(H)
        • P(c);SBLOCK::QAB(H)
      • Refutation
        • P(d);
    • Try
      • P(D);
      • Vars
        • K(b);S_FLIGHT::QAB(H)
        • P(d);SBLOCK::S(F)
        • P(c);SBLOCK::QAB(H)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • K(I);P-FLIGHT
    • Vars
      • K(b);S_FLIGHT::QAB(H)
      • P(c);SBLOCK::QAB(H)
      • P(d);SBLOCK::S(F)
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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).