MESON Chess Problem Database

Problem Display
PID: 267707 (4Q3/3pb2b/RppPNRnp/8/2B1kB1p/K1p1P3/4Pn2/5N2 w - - 0 1)

Sanchez, A

El Diluvio, 1933

4Q3/3pb2b/RppPNRnp/8/2B1kB1p/K1p1P3/4Pn2/5N2

#2

11 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd6+
      • 2.Sc5#
    • 1...Bd8
      • 2.Sc5#
      • 2.Sg5#
    • 1...Bf8
      • 2.Sc5#
      • 2.Sg5#
    • 1...Bg8
      • 2.Qxg6#
    • 1...c2
      • 2.Sd2#
    • 1...h3
      • 2.Sg3#
    • 1...b5
      • 2.Sc5#
    • 1...c5
      • 2.Qa8#
    • 1...h5
      • 2.Sg5#
    • 1...dxe6
      • 2.Qxc6#
  • Keys
    • 1.Ra5!
      • 1...Bxd6+
        • 2.Sc5#
      • 1...Bxf6
        • 2.Sg5#
      • 1...Sxf4
        • 2.Rxf4#
      • 1...bxa5
        • 2.Sc5#
      • 1...dxe6
        • 2.Qxc6#
      • 1...Sd1
        • 2.Bd3#
      • 1...Bd8
        • 2.Sc5#
        • 2.Sg5#
      • 1...Bf8
        • 2.Sc5#
        • 2.Sg5#
      • 1...Bg8
        • 2.Qxg6#
      • 1...Sh1
        • 2.Bd3#
      • 1...Sd3
        • 2.Bxd3#
      • 1...Sh3
        • 2.Bd3#
      • 1...Sg4
        • 2.Bd3#
      • 1...Se5
        • 2.Rxe5#
      • 1...Sf8
        • 2.Re5#
      • 1...Sh8
        • 2.Re5#
      • 1...c2
        • 2.Sd2#
      • 1...h3
        • 2.Sg3#
      • 1...b5
        • 2.Sc5#
      • 1...c5
        • 2.Qa8#
      • 1...h5
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • B(j);CHECK,XP(H)::QAR(K)+S(I),DCHECK
    • B(k);N_GUARD::QAB(K),XS(g)
    • P(b);N_GUARD::S(A)
    • P(d);N_GUARD::S(A)
    • P(e);N_GUARD::S(I)
    • P(f);N_PINP(H),OGATEB::QAB(K)
    • P(h);N_GUARD::S(I)
    • P(i);OGATE,XS(I)::QAB(K),XP(f)
  • Actual
    • R(G);
    • Vars
      • B(j);CHECK,XP(H)::QAR(K)+S(I),DCHECK
      • B(j);N_PINP(H),XR(J)::QAR(K)+S(I),DCHECK
      • S(g);OGATE,XB(F)::R1(J),XS(g)
      • P(e);N_GUARD,XR(G)::S(I)
      • P(i);OGATE,XS(I)::QAB(K),XP(f)
      • S(a);N_GUARD::B(E)
      • B(k);N_GUARD::QAB(K),XS(g)
      • S(a);N_GUARD::B(E),XS(a)
      • S(g);N_GUARD::R1(G),XS(g)
      • S(g);N_GUARD::R1(G)
      • P(b);N_GUARD::S(A)
      • P(d);N_GUARD::S(A)
      • P(e);N_GUARD::S(I)
      • P(f);N_PINP(H),OGATEB::QAB(K)
      • P(h);N_GUARD::S(I)
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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).