MESON Chess Problem Database

Problem Display
PID: 187724 (8/4Q3/6K1/1B1kp3/6n1/2B1P3/8/8 w - - 0 1)

Neukomm, Gyula (Julius) R

Pesti Hirlap, 1909

8/4Q3/6K1/1B1kp3/6n1/2B1P3/8/8

#2

5 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.Qxe5#
    • 1...Sh2
      • 2.Qxe5#
    • 1...Sxe3
      • 2.Qxe5#
    • 1...Sf6
      • 2.Qxe5#
    • 1...Sh6
      • 2.Qxe5#
  • Tries
    • 1.Qb7+?
      • 1...Kc5
        • 2.Qc6#
      • 1...Ke6
        • 2.Qd7#
      • 1...Kd6!
    • 1.Qc7?
      • threat
        • 2.Qc6#
      • 1...Ke6
        • 2.Bc4#
        • 2.Qd7#
      • 1...Ke4!
    • 1.Qd7+?
      • 1...Kc5
        • 2.Qc6#
      • 1...Ke4!
  • Keys
    • 1.Bd4!
      • 1...Ke4
        • 2.Qb7#
      • 1...Sxe3
        • 2.Qxe5#
      • 1...exd4
        • 2.e4#
      • 1...e4
        • 2.Qd7#
      • 1...Sf2
        • 2.Qxe5#
      • 1...Sh2
        • 2.Qxe5#
      • 1...Sf6
        • 2.Qxe5#
      • 1...Sh6
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAR1(E),XP(c)
    • S(a);N_GUARD,XP(B)::QAR1(E),XP(c)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
        • K(b);S_FLIGHT::QAB1(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(b);P_SPINP(c),S_FLIGHT::QAB(E)
      • S(a);N_GUARD,XP(B)::QAR1(E),XP(c)
      • P(c);SBLOCK,XB(A)::P(B)
      • P(c);SBLOCK::QAR2(E)
      • S(a);N_GUARD::QAR1(E),XP(c)
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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).