MESON Chess Problem Database

Problem Display
PID: 272771 (6K1/1nb2Q2/5N2/3R1Pp1/5k2/2r5/4bPP1/8 w - - 0 1)

Szerencsics, Alois

Schach-Aktiv, 1979

6K1/1nb2Q2/5N2/3R1Pp1/5k2/2r5/4bPP1/8

#2

7 + 6

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3
      • 2.g3#
    • 1...Sc5
      • 2.Qxc7#
  • Tries
    • 1.Rd4+?
      • 1...Kxf5
        • 2.Sg4#
        • 2.Sd7#
      • 1...Ke5!
    • 1.Qxc7+?
      • 1...Sd6
        • 2.Qxd6#
      • 1...Rxc7!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qe4#
      • 1...Be5
        • 2.Qxe5#
      • 1...g4
        • 2.Sh5#
      • 1...Sc5
        • 2.Qxc7#
      • 1...Re3
        • 2.Qxe3#
      • 1...Rc4
        • 2.Qe3#
      • 1...Bd3
        • 2.Qe3#
      • 1...Bf3
        • 2.g3#
      • 1...Sd6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK,S_CUTR(b)::P(B)
    • S(e);N_GUARD,S_CUTR(b)::QAB(F),XB(f)
  • Tries
    • Try
      • R(C);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(F);CHECK,XB(f)
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAB(F),XS(e)
      • Refutation
        • R(b);XQ(F)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F)
    • Vars
      • B(f);N_GUARD::QAB1(F),XB(f)
      • P(d);SBLOCK,S_CUTB(a)::S(E)
      • S(e);N_GUARD,S_CUTR(b)::QAB(F),XB(f)
      • R(b);N_GUARD::QAB1(F),XR(b)
      • R(b);N_GUARD::QAB1(F)
      • B(a);S_CUTR(b)::QAB1(F)
      • B(a);SBLOCK,S_CUTR(b)::P(B)
      • S(e);S_CUTB(f)::QAB1(F)
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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).