MESON Chess Problem Database

Problem Display
PID: 243892 (1Kn5/nQR2pq1/1p1kPPN1/1r4P1/1p1p2br/3PBp2/3N4/4R3 w - - 0 1)

Fleck, Ferenc

Tijdschrift vd KNSB, 1939

1Kn5/nQR2pq1/1p1kPPN1/1r4P1/1p1p2br/3PBp2/3N4/4R3

#2

11 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc6+
      • 2.Qxc6#
    • 1...fxe6
      • 2.Sc4#
      • 2.Se4#
  • Tries
    • 1.Rd7+?
      • 1...Kc5
        • 2.Sb3#
        • 2.Se4#
        • 2.Bxd4#
        • 2.Rc1#
        • 2.Rd5#
        • 2.Qd5#
      • 1...Kxe6!
    • 1.Qe4?
      • threat
        • 2.Sc4#
      • 1...Sc6+
        • 2.Rxc6#
        • 2.Qxc6#
      • 1...Re5
        • 2.Qxe5#
      • 1...Rc5
        • 2.Rd7#
      • 1...Bxe6!
  • Keys
    • 1.Rc5!
      • threat
        • 2.Qd5#
      • 1...Sc6+
        • 2.Qxc6#
      • 1...Kxc5
        • 2.Se4#
      • 1...Kxe6
        • 2.Bf4#
        • 2.Qd5#
      • 1...Rxc5
        • 2.Qd7#
      • 1...Bxe6
        • 2.Qc7#
      • 1...bxc5
        • 2.Bf4#
      • 1...fxe6
        • 2.Se4#
      • 1...Se7
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(i);CHECK,N_GUARD::QAR1(I),XS(i)
  • Tries
    • Try
      • R(J);CHECK
      • Refutation
        • K(h);P-FLIGHT,XP(F)
    • Try
      • Q(I);
      • Threat
        • S(B)
      • Vars
        • R(f);N_GUARD::QAB1(I),XR(f)
        • R(f);SBLOCK::R1(J)
      • Refutation
        • B(d);XP(F)
  • Actual
    • R(J);
    • Threat
      • QAR1(I)
    • Vars
      • S(i);CHECK,N_GUARD::QAR1(I),XS(i)
      • K(h);P_SPINP(c),S_FLIGHT,XR(J)::S(B)
      • R(f);SBLOCK,XR(J)::QAR1(I)
      • B(d);SBLOCK,XP(F)::QAB1(I)
      • P(g);P_PINQ(I),SBLOCK,XR(J)::B(D)
      • P(j);SBLOCK,XP(F)::S(B)
      • S(l);N_GUARD::QAB1(I),XS(l)
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).