MESON Chess Problem Database

Problem Display
PID: 144232 (1b4b1/4N1qB/2r3n1/1p2Q3/1Pk3NR/2PpP1K1/P7/2R5 w - - 0 1)

Fleck, Ferenc

Magyar Sakkvilag, 1931

1b4b1/4N1qB/2r3n1/1p2Q3/1Pk3NR/2PpP1K1/P7/2R5

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe5+
      • 2.Sxe5#
    • 1...Rd6
      • 2.Qc5#
    • 1...Bxe5+
      • 2.Sxe5#
  • Keys
    • 1.Qd6!
      • threat
        • 2.Se5#
      • 1...Qe5+
        • 2.Sxe5#
      • 1...Sxh4
        • 2.Bxd3#
      • 1...Sxe7
        • 2.Bxd3#
      • 1...Qd4
        • 2.cxd4#
      • 1...Sf4
        • 2.Qxc6#
      • 1...Se5
        • 2.Qd4#
      • 1...Sf8
        • 2.Bxd3#
      • 1...Sh8
        • 2.Bxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • Q(f);CHECK,XQ(I)::R(H)+S(G),DCHECK,XQ(f)
    • R(d);N_PINQ(I)::QAR1(I)
    • B(g);CHECK,XQ(I)::R(H)+S(G),DCHECK,XB(g)
  • Actual
    • Q(I);
    • Threat
      • R(H)+S(G),DCHECK
    • Vars
      • Q(f);CHECK,N_PINQ(I)::R(H)+S(G),DCHECK,XQ(f)
      • S(e);OGATE,P_PINS(G),XR(H)::B(K),XP(a)
      • S(e);OGATE,P_PINS(G),XS(J)::B(K),XP(a)
      • Q(f);OGATE::R(A)+P(C),XQ(f)
      • S(e);N_PINQ(I),P_PINS(G)::QAR2(I),XR(d)
      • S(e);N_PINQ(I),P_PINS(G)::QAR1(I)
      • S(e);OGATE,P_PINS(G)::B(K),XP(a)
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).