MESON Chess Problem Database

Problem Display
PID: 266285 (8/pp3R2/bb1N4/1Pr1k2n/Q1BN4/8/8/B5K1 w - - 0 1)

Lancia, Ugo

Probleemblad, 1950

8/pp3R2/bb1N4/1Pr1k2n/Q1BN4/8/8/B5K1

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb5
      • 2.S4xb5#
    • 1...Sf4
      • 2.S4f5#
  • Keys
    • 1.Qa3!
      • 1...Kxd6
        • 2.Sf5#
      • 1...Rxc4
        • 2.Rf5#
      • 1...Rxb5
        • 2.Rf5#
      • 1...Bxb5
        • 2.S4xb5#
      • 1...Sf6
        • 2.Qg3#
      • 1...Rd5
        • 2.Rf5#
      • 1...Rc6
        • 2.Rf5#
      • 1...Rc7
        • 2.Rf5#
      • 1...Rc8
        • 2.Rf5#
      • 1...Ba5
        • 2.Qxc5#
      • 1...Bc7
        • 2.Qxc5#
      • 1...Bd8
        • 2.Qxc5#
      • 1...Sg3
        • 2.Qxg3#
      • 1...Sf4
        • 2.S4f5#
      • 1...Sg7
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • B(d);XP(F)::B(A)+S(E),XB(d)
    • S(c);SBLOCK::B(A)+S(E)
  • Actual
    • Q(C);
    • Vars
      • K(b);N_GUARD,P_SPINR(a),S_FLIGHT,XS(G)::S(E)
      • R(a);P_PINS(E),XB(D)::R1(H)
      • R(a);P_PINS(E),XP(F)::R1(H)
      • B(d);XP(F)::B(A)+S(E),XB(d)
      • S(c);N_GUARD::QAB(C)
      • R(a);P_PINS(E)::R1(H)
      • B(e);N_GUARD::QAR2(C),XR(a)
      • S(c);N_GUARD::QAB(C),XS(c)
      • S(c);SBLOCK::B(A)+S(E)
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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).