MESON Chess Problem Database

Problem Display
PID: 233455 (N2RB3/2NnK2Q/1Pp5/2p1B3/p1k5/P1p2r2/P4n2/8 w - - 0 1)

Maleika, Gerhard

Freie Presse, 2008

N2RB3/2NnK2Q/1Pp5/2p1B3/p1k5/P1p2r2/P4n2/8

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Bf7#
    • 1...Rg3
      • 2.Bf7#
    • 1...Rh3
      • 2.Bf7#
    • 1...Rf7+
      • 2.Bxf7#
    • 1...Sd1
      • 2.Qe4#
    • 1...Sh1
      • 2.Qe4#
    • 1...Sd3
      • 2.Qe4#
    • 1...Sh3
      • 2.Qe4#
    • 1...Se4
      • 2.Qxe4#
    • 1...Sg4
      • 2.Qe4#
    • 1...Sxb6
      • 2.Sxb6#
  • Keys
    • 1.Qc2!
      • 1...Rf7+
        • 2.Bxf7#
      • 1...Sxe5
        • 2.Qxa4#
      • 1...Sxb6
        • 2.Sxb6#
      • 1...Rd3
        • 2.Qxa4#
      • 1...Re3
        • 2.Bf7#
      • 1...Rg3
        • 2.Bf7#
      • 1...Rh3
        • 2.Bf7#
      • 1...Rf4
        • 2.Qxc3#
      • 1...Rf5
        • 2.Qxc3#
      • 1...Rf6
        • 2.Qxc3#
      • 1...Rf8
        • 2.Qxc3#
      • 1...Sd1
        • 2.Qe4#
      • 1...Sh1
        • 2.Qe4#
      • 1...Sd3
        • 2.Qxc3#
      • 1...Sh3
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sg4
        • 2.Qe4#
      • 1...Sf6
        • 2.Qxa4#
      • 1...Sb8
        • 2.Qxa4#
      • 1...Sf8
        • 2.Qxa4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD,P_PINB(C)::B(J)
    • R(c);N_GUARD::B(J)
    • R(c);CHECK,N_GUARD::B(J),XR(c)
    • S(a);N_GUARD::QAR2(G)
    • S(a);N_GUARD::QAR2(G),XS(a)
    • S(h);XP(D)::S(H),XS(h)
  • Actual
    • Q(G);P_PINP(b)
    • Vars
      • R(c);CHECK,N_GUARD::B(J),XR(c)
      • S(h);XB(C)::QAR2(G),XP(d)
      • S(h);XP(D)::S(H),XS(h)
      • R(c);SBLOCK::QAR2(G),XP(d)
      • R(c);N_GUARD,P_PINB(C)::B(J)
      • R(c);N_GUARD::B(J)
      • R(c);N_GUARD::QAR1(G),XP(b)
      • S(a);N_GUARD::QAR2(G)
      • S(a);S_CUTR(c)::QAR1(G),XP(b)
      • S(a);N_GUARD::QAR2(G),XS(a)
      • S(h);::QAR2(G),XP(d)
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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).