MESON Chess Problem Database

Problem Display
PID: 109568 (1b6/r1Np4/Pp1k1P2/1P2q1n1/1P2p3/1N2P3/2Q4B/3K4 w - - 0 1)

Valle, Giovanni Batista

La Presse, 1894

1b6/r1Np4/Pp1k1P2/1P2q1n1/1P2p3/1N2P3/2Q4B/3K4

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qxh2
      • 2.Qxh2#
    • 1...Qg3
      • 2.Bxg3#
    • 1...Qf4
      • 2.Bxf4#
  • Keys
    • 1.Sc5!
      • 1...Kxc7
        • 2.Sb7#
      • 1...Qxh2
        • 2.Qxh2#
      • 1...Rxa6
        • 2.Sb7#
      • 1...Rxc7
        • 2.Qd2#
      • 1...Bxc7
        • 2.Qd2#
      • 1...bxc5
        • 2.Qxc5#
      • 1...Qg3
        • 2.Bxg3#
      • 1...Qf4
        • 2.Bxf4#
      • 1...Rb7
        • 2.Sxb7#
      • 1...Ra8
        • 2.Sb7#
      • 1...Sf3
        • 2.Sxe4#
      • 1...Sh3
        • 2.Sxe4#
      • 1...Se6
        • 2.Sxe4#
      • 1...Sf7
        • 2.Sxe4#
      • 1...Sh7
        • 2.Sxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • Q(b);N_SPINQ(b),OGATE,XB(C)::QAB(B),XQ(b)
    • Q(b);OGATEB::B(C),XQ(b)
  • Actual
    • S(D);
    • Vars
      • K(e);S_FLIGHT,XS(J)::QAR(B)+S(D)
      • Q(b);N_SPINQ(b),OGATE,XB(C)::QAB(B),XQ(b)
      • R(f);N_GUARD,XP(H)::S(D)
      • R(f);SBLOCK,XS(J)::QAR(B)
      • B(h);SBLOCK,XS(J)::QAR(B)
      • P(d);OGATE,XS(D)::QAB1(B),XP(d)
      • Q(b);OGATEB::B(C),XQ(b)
      • R(f);N_GUARD::S(D),XR(f)
      • R(f);N_GUARD::S(D)
      • S(c);N_GUARD::S(D),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).