MESON Chess Problem Database

Problem Display
PID: 150946 (1Qb2q2/K3p1N1/2p2n1r/n1R1N2p/1P1k3r/3P1B2/5P2/3R4 w - - 0 1)

Paslack, Rainer

1/2 Prize, Freie Presse, 2010-2011

1Qb2q2/K3p1N1/2p2n1r/n1R1N2p/1P1k3r/3P1B2/5P2/3R4

#2

10 + 10

23 Die Schwalbe 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.dxe4#
    • 1...Bf5
      • 2.Sxf5#
    • 1...Ba6
      • 2.Sf5#
      • 2.Se6#
    • 1...Be6
      • 2.Sxe6#
    • 1...Bb7
      • 2.Sf5#
      • 2.Se6#
    • 1...Sb3
      • 2.Sxc6#
      • 2.Rc4#
    • 1...Sc4
      • 2.Rxc4#
    • 1...Sb7
      • 2.Sxc6#
      • 2.Rc4#
    • 1...Se4
      • 2.dxe4#
  • Tries
    • 1.Sg6?
      • threat
        • 2.Qe5#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Re4
        • 2.dxe4#
      • 1...Sd7
        • 2.Se6#
      • 1...e5
        • 2.Qxe5#
      • 1...Sg4!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Qe5#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Sg4
        • 2.Qf4#
      • 1...Re4
        • 2.dxe4#
      • 1...Sd7
        • 2.Sf5#
      • 1...e5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(b);OGATE::R(A)+P(C),XR(b)
    • B(i);N_GUARD::S(I),XB(i)
    • S(c);N_GUARD::R1(F),XS(c)
    • S(f);OGATE::R(A)+P(C),XS(f)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAB1(J)
      • Vars
        • S(c);N_GUARD::R1(F),XS(c)
        • R(b);OGATE::R(A)+P(C),XR(b)
        • S(f);S_CUTB(i)::S(I)
        • P(h);::QAB1(J),XP(h)
      • Refutation
        • S(f);
  • Actual
    • S(G);
    • Threat
      • QAB1(J)
    • Vars
      • S(c);N_GUARD::R1(F),XS(c)
      • S(f);N_GUARD,S_CUTR(b)::QAR2(J)
      • R(b);OGATE::R(A)+P(C),XR(b)
      • S(f);S_CUTB(i)::S(I)
      • P(h);::QAB1(J),XP(h)
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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).