MESON Chess Problem Database

Problem Display
PID: 187725 (2K4n/1n3p2/3kp3/3NN2r/2PB4/8/5Q2/8 w - - 0 1)

Neukomm, Gyula (Julius) R

La Strategie, 1909

2K4n/1n3p2/3kp3/3NN2r/2PB4/8/5Q2/8

#2

6 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...exd5
      • 2.Qf6#
  • Tries
    • 1.Sxf7+?
      • 1...Kc6
        • 2.Sb4#
        • 2.Se7#
      • 1...Sxf7!
    • 1.Bc5+?
      • 1...Kxe5
        • 2.Qf4#
      • 1...Sxc5!
    • 1.Bb6?
      • threat
        • 2.Bc7#
      • 1...Kxe5
        • 2.Qf4#
      • 1...exd5
        • 2.Qf6#
      • 1...Rxe5!
    • 1.Qb2?
      • threat
        • 2.Qb6#
      • 1...Sa5
        • 2.Qa3#
        • 2.Qb4#
        • 2.Qb8#
      • 1...Sd8
        • 2.Qa3#
        • 2.Qb4#
        • 2.Qb8#
      • 1...exd5!
  • Keys
    • 1.Ba7!
      • threat
        • 2.Bb8#
      • 1...Kxe5
        • 2.Qf4#
      • 1...Rxe5
        • 2.Qb6#
      • 1...exd5
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB,XS(D)::QAR2(A)
  • Tries
    • Try
      • S(E);CHECK,XP(e)
      • Refutation
        • S(f);XS(E)
    • Try
      • B(C);CHECK
      • Vars
        • K(b);S_FLIGHT,XS(E)::QAB1(A)
      • Refutation
        • S(d);XB(C)
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
        • P(c);OGATEB,XS(D)::QAR2(A)
      • Refutation
        • R(a);XS(E)
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Refutation
        • P(c);XS(D)
  • Actual
    • B(C);
    • Threat
      • B(C)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
      • R(a);SBLOCK,XS(E)::QAR2(A)
      • P(c);OGATEB,XS(D)::QAR2(A)
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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).