MESON Chess Problem Database

Problem Display
PID: 96570 (3KR1B1/2p1pr2/Q1N2p1n/2Bk1b1R/PP6/3P4/2p5/8 w - - 0 1)

Miro, Francois

Problemas, 1969

3KR1B1/2p1pr2/Q1N2p1n/2Bk1b1R/PP6/3P4/2p5/8

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qc4#
    • 1...e5
      • 2.Se7#
  • Tries
    • 1.Bxf7+?
      • 1...e6
        • 2.Bxe6#
      • 1...Sxf7+!
    • 1.Rxf5+?
      • 1...Ke6
        • 2.Sd4#
        • 2.Qc8#
      • 1...e5
        • 2.Se7#
      • 1...Sxf5!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qd7#
      • 1...Kxc6
        • 2.Qa8#
      • 1...e5
        • 2.Se7#
      • 1...e6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(b);N_SPINB(c),P_SPINP(g),S_FLIGHT::QAB(F)
    • P(g);N_SPINB(c),SBLOCK::S(G)
  • Tries
    • Try
      • B(J);CHECK,XR(h)
      • Vars
        • P(g);P_SPINP(g)::B(J),XP(g)
      • Refutation
        • S(e);CHECK,XB(J)
    • Try
      • R(E);CHECK,XB(c)
      • Vars
        • P(g);P_SPINP(g)::S(G)
      • Refutation
        • S(e);XR(E)
  • Actual
    • Q(F);
    • Threat
      • QAR2(F)
    • Vars
      • K(b);N_SPINB(c),N_SPINR(h),OGATEB,P_SPINP(f),S_FLIGHT,XS(G)::QAB(F)
      • P(g);N_SPINB(c),SBLOCK::S(G)
      • P(g);N_SPINR(h)::QAB1(F),XP(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).