MESON Chess Problem Database

Problem Display
PID: 273482 (2R5/P2pPK1B/1p3p1b/qP1kp3/p2r4/B1pr4/2NQPR2/3N3b w - - 0 1)

Kish, Alexander

Die Schwalbe, 1932

2R5/P2pPK1B/1p3p1b/qP1kp3/p2r4/B1pr4/2NQPR2/3N3b

#2

12 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rf3
      • 2.e4#
    • 1...Rf4
      • 2.Sde3#
    • 1...e4
      • 2.Rf5#
  • Tries
    • 1.Rc5+?
      • 1...Kd6
        • 2.Rxf6#
        • 2.e8S#
      • 1...bxc5!
  • Keys
    • 1.Rxf6!
      • threat
        • 2.Rd6#
      • 1...e4
        • 2.Rf5#
      • 1...Qb4
        • 2.a8Q#
        • 2.a8B#
      • 1...Rf3
        • 2.e4#
      • 1...Rb4
        • 2.Sxc3#
      • 1...Rf4
        • 2.Sde3#
      • 1...d6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(c);P_SPINR(e),S_CUTB(a)::P(D)
    • R(e);P_SPINR(c),S_CUTB(k)::S(A)
    • P(h);OGATEB,SBLOCK::R(E)
  • Tries
    • Try
      • R(L);CHECK
      • Refutation
        • P(i);XR(L)
  • Actual
    • R(E);XP(j)
    • Threat
      • R1(E)
    • Vars
      • P(h);OGATEB,SBLOCK::R(E)
      • Q(f);N_GUARD::P=Q
      • R(c);P_PINR(E),P_SPINR(e),S_CUTB(a)::P(D)
      • R(e);P_SPINR(c),S_CUTQ(f)::S(A),XP(b)
      • R(e);P_PINR(E),P_SPINR(c),S_CUTB(k)::S(A)
      • P(l);::R1(E),XP(l)
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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).