MESON Chess Problem Database

Problem Display
PID: 256968 (1b6/8/1p3Q2/4PP1K/2Ppk2n/8/2PPN1P1/3nN3 w - - 0 1)

Bakcsi, Gyorgy

Buletin Problemistic, 1995

1b6/8/1p3Q2/4PP1K/2Ppk2n/8/2PPN1P1/3nN3

#2

10 + 6

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.d3#
    • 1...Sf3
      • 2.gxf3#
    • 1...d3
      • 2.cxd3#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Sg3#
      • 1...Bxe5
        • 2.Qxe5#
      • 1...Sxf5
        • 2.Qc6#
      • 1...Sxg2!
    • 1.Qc6+?
      • 1...Kxe5
        • 2.Qe6#
      • 1...Kxf5!
  • Keys
    • 1.Kg5!
      • threat
        • 2.Sg3#
      • 1...Sf3+
        • 2.gxf3#
      • 1...Bxe5
        • 2.Qc6#
      • 1...Sxf5
        • 2.Qxf5#
      • 1...d3
        • 2.cxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(a);SBLOCK::P(C)
    • S(d);OGATE::P(E),XS(d)
    • P(b);OGATE::P(B),XP(b)
  • Tries
    • Try
      • S(A);
      • Threat
        • S(D)
      • Vars
        • B(f);OGATE,XP(G)::QAR1(J),XB(f)
        • S(d);SBLOCK,XP(H)::QAB(J)
      • Refutation
        • S(d);XP(E)
    • Try
      • Q(J);CHECK
      • Vars
        • K(c);OGATEB,P-FLIGHT,XP(G)::QAR1(J)
      • Refutation
        • K(c);S_FLIGHT,XP(H)
  • Actual
    • K(I);P-FLIGHT
    • Threat
      • S(D)
    • Vars
      • S(d);CHECK,OGATE::P(E),XS(d)
      • B(f);SBLOCK,XP(G)::QAB(J)
      • S(d);OGATE,XP(H)::QAB1(J),XS(d)
      • P(b);OGATE::P(B),XP(b)
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).