MESON Chess Problem Database

Problem Display
PID: 179076 (1rrnbB2/2pk1p1K/1p2NP1p/2p3p1/n2N1pqb/8/6B1/3RR3 w - - 0 1)

Neumann, Imre

Magasinet, 1937

1rrnbB2/2pk1p1K/1p2NP1p/2p3p1/n2N1pqb/8/6B1/3RR3

#2

8 + 15

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qf5+
      • 2.Sxf5#
    • 1...Qxe6
      • 2.Sxe6#
    • 1...Sc6
      • 2.Bxc6#
    • 1...Sb7
      • 2.Bc6#
    • 1...cxd4
      • 2.Rxd4#
    • 1...c6
      • 2.Sf3#
    • 1...fxe6
      • 2.Se2#
  • Keys
    • 1.Be7!
      • threat
        • 2.Sf8#
      • 1...Qf5+
        • 2.Sxf5#
      • 1...Qxe6
        • 2.Sxe6#
      • 1...Sxe6
        • 2.Bc6#
      • 1...fxe6
        • 2.Se2#
      • 1...c6
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(c);CHECK,N_GUARD::R(A)+S(D),XQ(c)
    • Q(c);XS(E)::R(A)+S(D),XQ(c)
    • S(n);N_GUARD::B(C),XS(n)
    • S(n);N_GUARD::B(C)
    • P(e);OGATE,P_SPINP(e),XS(D)::R(A),XP(e)
    • P(i);SBLOCK::R(A)+S(D)
    • P(k);SBLOCK,XS(E)::R(A)+S(D)
  • Actual
    • B(H);
    • Threat
      • S(E)
    • Vars
      • Q(c);CHECK,N_GUARD::R(A)+S(D),XQ(c)
      • Q(c);XS(E)::R(A)+S(D),XQ(c)
      • S(n);N_GUARD,XS(E)::B(C)
      • P(k);SBLOCK,XS(E)::R(A)+S(D)
      • P(i);SBLOCK::R(A)+S(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).