MESON Chess Problem Database

Problem Display
PID: 66622 (2BK2R1/2Nn4/3pPkN1/6p1/bBn1Pb1P/3Pp3/Q7/8 w - - 0 1)

Neumann, Itzhak

Comm., Western Morning News, 1935

2BK2R1/2Nn4/3pPkN1/6p1/bBn1Pb1P/3Pp3/Q7/8

#2

11 + 8

5828 My Selected Chess Problems (Neumann) 1968

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Se8#
    • 1...Sd2
      • 2.Se8#
    • 1...Sa3
      • 2.Se8#
    • 1...Sa5
      • 2.Se8#
    • 1...Sce5
      • 2.Se8#
    • 1...Scb6
      • 2.Se8#
    • 1...Sc5
      • 2.Sd5#
    • 1...Sde5
      • 2.Sd5#
    • 1...Sb8
      • 2.Sd5#
    • 1...Sf8
      • 2.Sd5#
    • 1...d5
      • 2.Be7#
  • Tries
    • 1.Bc3+?
      • 1...Sce5
        • 2.Se8#
      • 1...Sde5
        • 2.Sd5#
      • 1...Be5!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sg4#
      • 1...Kxe5
        • 2.Bc3#
      • 1...Bxe5
        • 2.hxg5#
      • 1...Scxe5
        • 2.Se8#
      • 1...Sdxe5
        • 2.Sd5#
      • 1...dxe5
        • 2.Be7#
      • 1...Bd1
        • 2.Sxd7#
      • 1...g4
        • 2.Sxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 9
  • Sets
    • S(c);::S(H)
    • S(h);::S(H)
    • P(f);OGATE::B(C)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • S(c);P_SPINS(c)::S(H)
        • S(h);P_SPINS(h)::S(H)
      • Refutation
        • B(d);P_SPINB(d)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(g);OGATEB,S_FLIGHT,XS(G)::B(C)
      • B(d);N_GUARD,SBLOCK,XS(G)::P(E),XP(e)
      • S(c);SBLOCK,XS(G)::S(H)
      • S(h);SBLOCK,XS(G)::S(H)
      • P(f);OGATE,SBLOCK,XS(G)::B(C)
      • B(b);N_GUARD::S(G),XS(h)
      • P(e);::S(G),XP(e)
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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).