MESON Chess Problem Database

Problem Display
PID: 16818 (3BB3/b2pr1p1/5n1p/qRn1rNkP/3p2P1/3p2PP/8/4QRK1 w - - 0 1)

Kiss, Janos

1st Prize, Raketa, 1943

3BB3/b2pr1p1/5n1p/qRn1rNkP/3p2P1/3p2PP/8/4QRK1

#2

11 + 12

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf5
      • 2.Rxf5#
  • Tries
    • 1.Se3?
      • threat
        • 2.h4#
      • 1...Rxe3
        • 2.Rf5#
      • 1...dxe3!
  • Keys
    • 1.Sxd4!
      • threat
        • 2.Sf3#
      • 1...Sxg4
        • 2.h4#
      • 1...Sxh5
        • 2.Qxe5#
      • 1...Sxe8
        • 2.Qxe5#
      • 1...Re3
        • 2.Rf5#
      • 1...Rf5
        • 2.Rxf5#
      • 1...Sb3
        • 2.Qe3#
      • 1...Sa4
        • 2.Qe3#
      • 1...Sce4
        • 2.Qe3#
      • 1...Sa6
        • 2.Qe3#
      • 1...Se6
        • 2.Qxe5#
      • 1...Sb7
        • 2.Qe3#
      • 1...Sfe4
        • 2.Qe3#
      • 1...Sd5
        • 2.Qxe5#
      • 1...Sh7
        • 2.Qxe5#
      • 1...Sg8
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATE,XS(H)::R1(B),XR(e)
  • Tries
    • Try
      • S(H);
      • Threat
        • P(E)
      • Vars
        • R(e);N_GUARD,P_SPINS(d),XS(H)::R1(B)
      • Refutation
        • P(b);XS(H)
  • Actual
    • S(H);XP(b)
    • Threat
      • S(H)
    • Vars
      • S(g);P_SPINR(k),SBLOCK,XP(F)::P(E)
      • S(g);P_SPINR(k),XP(I)::QAR2(A),XR(e)
      • S(g);P_SPINR(k),XB(K)::QAR2(A),XR(e)
      • R(e);N_GUARD,P_SPINS(d)::R1(B)
      • R(e);N_GUARD::R1(B),XR(e)
      • S(d);P_PINS(H),P_SPINR(e)::QAB(A)
      • S(d);P_PINS(H),P_SPINR(e),S_CUTR(k)::QAR2(A),XR(e)
      • S(g);P_SPINR(k),S_CUTR(e)::QAB(A)
      • S(g);P_SPINR(k)::QAR2(A),XR(e)
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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).