MESON Chess Problem Database

Problem Display
PID: 35645 (1Nbk4/2pppB2/pQ4K1/8/r2B4/8/8/8 w - - 0 1)

Reitman, Mark

Die Schwalbe, 1996

1Nbk4/2pppB2/pQ4K1/8/r2B4/8/8/8

#2

5 + 7

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...cxb6
      • 2.Bxb6#
    • 1...e5
      • 2.Qf6#
    • 1...e6
      • 2.Bf6#
  • Tries
    • 1.Qd6?
      • threat
        • 2.Sc6#
      • 1...cxd6
        • 2.Bb6#
      • 1...exd6
        • 2.Bf6#
      • 1...Bb7
        • 2.Qxd7#
      • 1...c6
        • 2.Sxc6#
        • 2.Bb6#
      • 1...Rc4!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qh8#
      • 1...exf6
        • 2.Bxf6#
      • 1...c5
        • 2.Qb6#
      • 1...c6
        • 2.Bb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • P(c);N_SPINP(c),OGATE,XQ(B)::B(A),XP(c)
    • P(e);OGATEB::QAB(B)
    • P(e);OGATEB::B(A)
  • Tries
    • Try
      • Q(B);N_PINP(c),P_PINP(d)
      • Threat
        • S(E)
      • Vars
        • P(c);N_SPINP(d),OGATEB,XQ(B)::B(A)
        • P(e);N_SPINP(d),OGATEB,XQ(B)::B(A)
        • B(f);N_GUARD::QAR1(B),XP(d)
      • Refutation
        • R(a);
  • Actual
    • Q(B);N_PINP(c),P_PINP(e)
    • Threat
      • QAR(B)
    • Vars
      • P(e);N_SPINP(e),OGATE,XQ(B)::B(A),XP(e)
      • P(c);OGATEB::QAB(B)
      • P(c);OGATEB::B(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).