MESON Chess Problem Database

Problem Display
PID: 144436 (3N4/2K4p/4P1RQ/5pnB/5k2/3p1P1n/2pr1P2/2N1R3 w - - 0 1)

Pulitzer, Walter

British Chess Magazine, 1898

3N4/2K4p/4P1RQ/5pnB/5k2/3p1P1n/2pr1P2/2N1R3

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Sxd3#
    • 1...Sg1
      • 2.Qxg5#
    • 1...Sxf2
      • 2.Qxg5#
  • Tries
    • 1.e7?
      • threat
        • 2.Se6#
      • 1...Sxf2
        • 2.Qxg5#
      • 1...Re2
        • 2.Sxd3#
      • 1...Rxf2!
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qd6#
      • 1...Sxe6+
        • 2.Sxe6#
      • 1...Sxf3
        • 2.Rg4#
      • 1...Re2
        • 2.Sxd3#
      • 1...Se4
        • 2.Rxe4#
      • 1...Sf7
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(b);N_GUARD::S(A),XP(c)
    • S(d);N_GUARD::QAB1(H),XS(g)
    • S(d);N_GUARD,XP(C)::QAB1(H),XS(g)
  • Tries
    • Try
      • P(F);
      • Threat
        • S(J)
      • Vars
        • S(d);N_GUARD,XP(C)::QAB1(H),XS(g)
        • R(b);N_GUARD::S(A),XP(c)
      • Refutation
        • R(b);XP(C)
  • Actual
    • Q(H);N_PINS(g),P_PINP(f)
    • Threat
      • QAB(H)
    • Vars
      • S(g);CHECK,XP(F)::S(J),XS(g)
      • S(g);OGATE,SBLOCK,XP(D)::R1(G)
      • R(b);N_GUARD::S(A),XP(c)
      • S(g);N_GUARD::R1(B),XS(g)
      • S(g);N_GUARD,N_SPINP(f)::QAR(H)
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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).