MESON Chess Problem Database

Problem Display
PID: 202519 (8/2K5/8/2kp4/2P5/N1Q5/2P5/8 w - - 0 1)

Tauber, F Aurel

Magyar Sakkvilag, 1923

8/2K5/8/2kp4/2P5/N1Q5/2P5/8

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...dxc4
      • 2.Qxc4#
    • 1...d4
      • 2.Qa5#
  • Tries
    • 1.Qf6?
      • threat
        • 2.Qb6#
      • 1...dxc4
        • 2.Qd6#
      • 1...Kb4!
    • 1.Qb3?
      • threat
        • 2.Qb6#
      • 1...dxc4
        • 2.Qxc4#
      • 1...Kd4!
    • 1.Qe3+?
      • 1...d4
        • 2.Qe7#
      • 1...Kb4!
  • Keys
    • 1.Qd2!
      • 1...dxc4
        • 2.Qd6#
      • 1...d4
        • 2.Qa5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATE,P_SPINP(b),XP(D)::QAR1(C),XP(b)
    • P(b);SBLOCK::QAR2(C)
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • P(b);XP(D)::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • P(b);OGATE,XP(D)::QAR1(C),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • P(b);P_SPINP(b),SBLOCK::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • P(b);OGATE,XP(D)::QAB1(C)
      • P(b);SBLOCK::QAR2(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).