MESON Chess Problem Database

Problem Display
PID: 31170 (4Q3/1p2p3/1P1k4/PP6/4BP2/3K4/8/8 w - - 0 1)

Trcala, Stanislav

Nove parizske mody, 1900

4Q3/1p2p3/1P1k4/PP6/4BP2/3K4/8/8

#2

7 + 3

3437 Stanislav Trcala Sachovy odkaz 1999

SOLUTION

  • SOUND
  • Tries
    • 1.Kc4?
      • 1...e5
        • 2.fxe5#
      • 1...e6
        • 2.Qd8#
      • 1...Ke6!
    • 1.Kd4?
      • 1...e5+
        • 2.fxe5#
      • 1...e6
        • 2.Qd8#
      • 1...Ke6!
    • 1.Qc8?
      • 1...e6
        • 2.Qc7#
      • 1...e5!
  • Keys
    • 1.Bc6!
      • 1...Kc5
        • 2.Qxe7#
      • 1...Ke6
        • 2.Qg6#
      • 1...bxc6
        • 2.Qxc6#
      • 1...e5
        • 2.Qxe5#
      • 1...e6
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(c);OGATE::P(C),XP(c)
        • P(c);SBLOCK::QAR2(G)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(c)
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(c);CHECK,OGATE::P(C),XP(c)
        • P(c);SBLOCK::QAR2(G)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(c)
    • Try
      • Q(G);
      • Vars
        • P(c);SBLOCK::QAB1(G)
      • Refutation
        • P(c);
  • Actual
    • B(B);
    • Vars
      • K(a);S_FLIGHT::QAB(G),XP(c)
      • K(a);P-FLIGHT,P_SPINP(c)::QAR2(G)
      • P(b);OGATE,XB(B)::QAR1(G),XP(b)
      • P(c);OGATE::QAB1(G),XP(c)
      • P(c);OGATEB,SBLOCK::QAB(G)
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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).