MESON Chess Problem Database

Problem Display
PID: 152341 (b1B5/2pN1R2/r3nPp1/1R1n1k2/1p1p1N1P/2pP1QB1/1p6/2b4K w - - 0 1)

Bohm, Ferenc

L'Italia Scacchistica, 1930

b1B5/2pN1R2/r3nPp1/1R1n1k2/1p1p1N1P/2pP1QB1/1p6/2b4K

#2

11 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Rxd5#
  • Tries
    • 1.Se2+?
      • 1...Sf4
        • 2.Sxd4#
      • 1...Bf4!
    • 1.Sxd5+?
      • 1...Bf4
        • 2.Se3#
        • 2.Se7#
      • 1...Sf4!
    • 1.Sh5+?
      • 1...Sf4
        • 2.Sg7#
      • 1...Bf4!
    • 1.Sxe6+?
      • 1...Bf4
        • 2.Sxd4#
        • 2.Sg7#
      • 1...Kxe6!
  • Keys
    • 1.Se5!
      • threat
        • 2.Qe4#
      • 1...Kxe5
        • 2.Sxg6#
      • 1...Sxf4
        • 2.Sc6#
      • 1...Sxf6
        • 2.Sc6#
      • 1...Se3
        • 2.Sd5#
      • 1...Sb6
        • 2.Bxe6#
      • 1...Se7
        • 2.fxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • R(h);S_CUTB(l)::R(G),XS(f)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • S(i);N_SPINS(f),P_SPINS(i)::S(E),XP(e)
      • Refutation
        • B(a);P_SPINB(a)
    • Try
      • S(E);CHECK,XS(f)
      • Refutation
        • S(i);P_SPINS(i)
    • Try
      • S(E);CHECK
      • Vars
        • S(i);N_SPINS(f),P_SPINS(i)::S(E)
      • Refutation
        • B(a);P_SPINB(a)
    • Try
      • S(E);CHECK,XS(i)
      • Refutation
        • K(g);N_SPINS(f),S_FLIGHT,XS(E)
  • Actual
    • S(I);N_PINS(f),P_PINS(i)
    • Threat
      • QAB1(C)
    • Vars
      • K(g);N_SPINS(i),P-FLIGHT,P_SPINS(f),XS(I)::B(D)+S(E),DCHECK,XP(j)
      • S(f);N_SPINS(i),P_PINQ(C),P_SPINS(f),XS(E)::R(G)+S(I)
      • S(f);P_PINQ(C),XP(H)::R(G)+S(I)
      • S(f);P_PINQ(C),S_CUTB(a)::QAR(C)+S(E)
      • S(f);P_PINQ(C),S_CUTR(h)::B(K),XS(i)
      • S(f);OGATE,P_PINQ(C)::R(J)+P(H),XS(f)
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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).