MESON Chess Problem Database

Problem Display
PID: 231174 (8/3PQ3/2p1B3/2P1p3/1P1kbb2/R2N1P2/3R1n2/1K4B1 w - - 0 1)

Cristoffanini, Guido

2nd Prize, Il Secolo, 1927

8/3PQ3/2p1B3/2P1p3/1P1kbb2/R2N1P2/3R1n2/1K4B1

#2

11 + 6

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd3+
      • 2.Rdxd3#
      • 2.Raxd3#
    • 1...Bh2
      • 2.Bxf2#
  • Keys
    • 1.Qh4!
      • 1...Bxd3+
        • 2.Rdxd3#
        • 2.Raxd3#
      • 1...Ke3
        • 2.Qxf2#
      • 1...Bxf3
        • 2.Sxf2#
      • 1...Bxd2
        • 2.Qxe4#
      • 1...Bd5
        • 2.Sb2#
      • 1...Bf5
        • 2.Bxf2#
      • 1...Bg6
        • 2.Bxf2#
      • 1...Bh7
        • 2.Bxf2#
      • 1...Bh2
        • 2.Bxf2#
        • 2.Qxf2#
        • 2.Qxe4#
      • 1...Be3
        • 2.d8Q#
        • 2.d8R#
      • 1...Bg3
        • 2.Qxe4#
      • 1...Bg5
        • 2.Qxe4#
      • 1...Bh6
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 1
  • Sets
    • B(d);N_GUARD::B(B),XS(a)
  • Actual
    • Q(K);
    • Vars
      • K(b);S_FLIGHT::QAB1(K),XS(a)
      • B(c);N_PINS(E),P_SPINB(d),XP(F)::R(C)+S(E),XS(a)
      • B(d);OGATE,P_SPINB(c),XR(C)::QAR1(K),XB(c)
      • B(c);N_PINS(E),P_SPINB(d)::R(C)+S(E)
      • B(c);P_SPINB(d)::B(B),XS(a)
      • B(d);N_SPINS(a),P_SPINB(c),SBLOCK::P=Q
      • B(d);OGATE,P_SPINB(c)::QAR1(K),XB(c)
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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).