MESON Chess Problem Database

Problem Display
PID: 181859 (7Q/pKN4B/P1Ppp3/4P3/3k4/1P4p1/3B2P1/8 w - - 0 1)

Havasi, Artur

Magyar Sakklap, 1905

7Q/pKN4B/P1Ppp3/4P3/3k4/1P4p1/3B2P1/8

#2

10 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Sxe6#
  • Tries
    • 1.Qa8?
      • 1...Kc5
        • 2.Qxa7#
      • 1...Kxe5
        • 2.Qh8#
      • 1...dxe5
        • 2.Qxa7#
      • 1...d5!
    • 1.Qd8?
      • threat
        • 2.Qxd6#
      • 1...Kc5
        • 2.Qxd6#
      • 1...Kxe5
        • 2.Qh8#
      • 1...d5!
    • 1.Qf8?
      • threat
        • 2.Qxd6#
      • 1...Kc5
        • 2.Qxd6#
      • 1...Kxe5
        • 2.Bc3#
        • 2.Qg7#
        • 2.Qf4#
        • 2.Qh8#
      • 1...dxe5
        • 2.Qb4#
        • 2.Qd6#
      • 1...d5!
    • 1.exd6+?
      • 1...Kc5
        • 2.Qe5#
      • 1...e5!
  • Keys
    • 1.Qb8!
      • 1...Kc5
        • 2.Qxa7#
      • 1...Kxe5
        • 2.Qh8#
      • 1...dxe5
        • 2.Qxa7#
      • 1...d5
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::S(H),XP(d)
  • Tries
    • Try
      • Q(J);
      • Vars
        • K(b);S_FLIGHT::QAB(J),XP(e)
        • K(b);OGATEB,S_FLIGHT,XP(D)::QAB(J)
        • P(c);SBLOCK,XP(D)::QAB(J),XP(e)
      • Refutation
        • P(c);
    • Try
      • Q(J);P_PINP(c)
      • Threat
        • QAR2(J),XP(c)
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::QAB1(J),XP(c)
        • K(b);N_SPINP(c),OGATEB,S_FLIGHT,XP(D)::QAB(J)
      • Refutation
        • P(c);
    • Try
      • Q(J);
      • Threat
        • QAR2(J),XP(c)
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT::QAB1(J),XP(c)
      • Refutation
        • P(c);
    • Try
      • P(D);CHECK,XP(c)
      • Vars
        • K(b);S_FLIGHT::QAR2(J)
      • Refutation
        • P(d);P_SPINP(d)
  • Actual
    • Q(J);
    • Vars
      • K(b);S_FLIGHT::QAB(J),XP(e)
      • K(b);OGATEB,S_FLIGHT,XP(D)::QAB(J)
      • P(c);SBLOCK,XP(D)::QAB(J),XP(e)
      • P(c);SBLOCK::S(H),XP(d)
HTML5 logo

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).