MESON Chess Problem Database

Problem Display
PID: 50322 (8/2KR2Bn/5p1R/2k1Pp2/P1p5/N1PPbN1b/qP4r1/7B w - - 0 1)

Armeni, Alberto

Scacco!, 2003

8/2KR2Bn/5p1R/2k1Pp2/P1p5/N1PPbN1b/qP4r1/7B

#2

12 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.d4#
    • 1...Bd2
      • 2.d4#
    • 1...Bf4
      • 2.d4#
    • 1...Bg5
      • 2.d4#
    • 1...Bxh6
      • 2.d4#
    • 1...Sg5
      • 2.Bf8#
    • 1...Sf8
      • 2.Bxf8#
    • 1...cxd3
      • 2.b4#
    • 1...fxe5
      • 2.Rc6#
  • Tries
    • 1.Rxf6?
      • threat
        • 2.Rc6#
      • 1...Sxf6
        • 2.Bf8#
      • 1...Rg6!
    • 1.Rxh7?
      • threat
        • 2.Bf8#
      • 1...Bh6
        • 2.d4#
      • 1...Rxg7!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Se6#
      • 1...Rxg5
        • 2.Rd5#
      • 1...Bxg5
        • 2.d4#
      • 1...Sxg5
        • 2.Bf8#
      • 1...cxd3
        • 2.b4#
      • 1...fxg5
        • 2.Rc6#
      • 1...Sf8
        • 2.Bxf8#
      • 1...f4
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • B(c);N_GUARD::P(E)
    • B(c);N_GUARD,P_PINP(H)::P(E)
    • B(c);N_GUARD,XR(I)::P(E)
    • S(i);N_GUARD::B(L)
    • S(i);N_GUARD::B(L),XS(i)
    • P(e);N_GUARD,XP(E)::P(B)
    • P(h);OGATE,XP(H)::R1(I)
  • Tries
    • Try
      • R(I);XP(h)
      • Threat
        • R1(I)
      • Vars
        • S(i);N_GUARD,XR(I)::B(L)
      • Refutation
        • R(b);
    • Try
      • R(I);XS(i)
      • Threat
        • B(L)
      • Vars
        • B(c);N_GUARD::P(E)
      • Refutation
        • R(b);P_PINR(K),XB(L)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • R(b);XS(F)::R1(K)
      • B(c);N_GUARD,XS(F)::P(E)
      • S(i);N_GUARD,XS(F)::B(L)
      • P(e);N_GUARD,XP(E)::P(B)
      • P(h);OGATE,XS(F)::R1(I)
      • S(i);N_GUARD::B(L),XS(i)
      • P(g);N_GUARD::S(F)
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).