MESON Chess Problem Database

Problem Display
PID: 267705 (k7/1pBK4/1P2p3/2p5/8/8/4Bp1n/4n2Q w - - 0 1)

Claret Montaner, Joan

El Diluvio, 1933

k7/1pBK4/1P2p3/2p5/8/8/4Bp1n/4n2Q

#2

5 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sg2
      • 2.Qa1#
    • 1...Sd3
      • 2.Qa1#
    • 1...Sef3
      • 2.Qa1#
    • 1...Sf1
      • 2.Qh8#
    • 1...Shf3
      • 2.Qh8#
    • 1...Sg4
      • 2.Qh8#
  • Tries
    • 1.Kc8?
      • threat
        • 2.Qxb7#
      • 1...Sg2
        • 2.Qa1#
      • 1...Sef3
        • 2.Qa1#
      • 1...Shf3!
  • Keys
    • 1.Bf3!
      • threat
        • 2.Bxb7#
      • 1...Sexf3
        • 2.Qa1#
      • 1...Shxf3
        • 2.Qh8#
      • 1...Sg2
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • S(a);N_SPINP(f),OGATE::QAB(A)
    • S(a);OGATE::QAB(A)
    • S(c);OGATE::QAB1(A)
    • S(c);N_SPINP(f),OGATE::QAB1(A)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • QAB1(A),XP(f)
      • Vars
        • S(a);N_SPINP(f),OGATE::QAB(A)
      • Refutation
        • S(c);N_SPINP(f)
  • Actual
    • B(B);
    • Threat
      • B(B),XP(f)
    • Vars
      • S(a);N_SPINP(f),OGATE,XB(B)::QAB(A)
      • S(c);N_SPINP(f),OGATE,XB(B)::QAB1(A)
      • S(a);OGATE::QAB(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).