MESON Chess Problem Database

Problem Display
PID: 273561 (bBNN4/5pb1/8/Rp1pP3/3k4/1K3Q2/8/8 w - - 0 1)

Zimmer, Eligiusz

Szachista, 1995

bBNN4/5pb1/8/Rp1pP3/3k4/1K3Q2/8/8

#2

7 + 6

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Ba7#
      • 2.Qc3#
    • 1...Bxe5
      • 2.Ba7#
    • 1...f5
      • 2.Se6#
    • 1...f6
      • 2.Se6#
  • Tries
    • 1.Sc6+?
      • 1...Kc5
        • 2.Qc3#
      • 1...Bxc6!
    • 1.Sxf7?
      • threat
        • 2.Ba7#
      • 1...Kc5
        • 2.Qc3#
      • 1...Bf8!
    • 1.Qe2?
      • threat
        • 2.Ba7#
      • 1...Kc5
        • 2.Ba7#
      • 1...Bf8!
    • 1.Qd3+?
      • 1...Kc5
        • 2.Bd6#
        • 2.Ba7#
        • 2.Rxb5#
        • 2.Qc3#
      • 1...Kxd3!
    • 1.Qf4+?
      • 1...Kc5
        • 2.Bd6#
        • 2.Ba7#
        • 2.Qb4#
      • 1...Kd3!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qc3#
      • 1...Kc5
        • 2.Ba7#
      • 1...Kxe5
        • 2.Sxb5#
      • 1...b4
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(e);SBLOCK,XP(D)::B(E)
    • P(d);N_GUARD::S(G)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(a);N_GUARD,P_SPINP(b),S_FLIGHT::QAR2(B)
      • Refutation
        • B(f);XS(G)
    • Try
      • S(G);XP(d)
      • Threat
        • B(E)
      • Vars
        • K(a);N_GUARD,P_SPINP(b),S_FLIGHT::QAR2(B)
      • Refutation
        • B(e);
    • Try
      • Q(B);
      • Threat
        • B(E)
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT::B(E)
      • Refutation
        • B(e);
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(F);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);N_GUARD,P_SPINP(b),S_FLIGHT::B(E)
      • K(a);N_GUARD,S_FLIGHT,XP(D)::B(E)+S(F),XP(b)
      • P(b);::S(F)
HTML5 logo

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).