MESON Chess Problem Database

Problem Display
PID: 102716 (2B1n2n/3R2pb/2N2k2/8/4p1Q1/4K3/8/8 w - - 0 1)

Schmitt, Olivier

Europe Echecs, 1989

2B1n2n/3R2pb/2N2k2/8/4p1Q1/4K3/8/8

#2

5 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg5+?
      • 1...Ke6
        • 2.Sd4#
        • 2.Sd8#
        • 2.Qe5#
      • 1...Kxg5!
    • 1.Qxg7+?
      • 1...Kf5
        • 2.Sd4#
        • 2.Rd1#
        • 2.Rd2#
        • 2.Rd3#
        • 2.Rd4#
        • 2.Rd5#
        • 2.Rd6#
        • 2.Ra7#
        • 2.Rb7#
        • 2.Rc7#
        • 2.Re7#
        • 2.Rf7#
        • 2.Rd8#
      • 1...Ke6
        • 2.Sd4#
        • 2.Rd1#
        • 2.Rd2#
        • 2.Rd3#
        • 2.Rd4#
        • 2.Rd8#
        • 2.Qe5#
      • 1...Sxg7!
  • Keys
    • 1.Re7!
      • 1...g5
        • 2.Qe6#
      • 1...Sf7
        • 2.Re6#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Bg6
        • 2.Qh4#
      • 1...Bg8
        • 2.Qf5#
      • 1...Sd6
        • 2.Qxg7#
      • 1...Sc7
        • 2.Qxg7#
      • 1...Sg6
        • 2.Qf5#
      • 1...g6
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • K(b);S_FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK,XP(c)
      • Refutation
        • S(e);XQ(B)
  • Actual
    • R(D);
    • Vars
      • P(c);SBLOCK::QAR1(B)
      • S(f);SBLOCK::R1(D)
      • B(d);N_GUARD::QAR1(B),XB(d)
      • B(d);SBLOCK,S_CUTP(c)::QAB(B)
      • B(d);N_GUARD::QAR1(B)
      • S(e);N_GUARD::QAB1(B),XP(c)
      • S(f);S_CUTB(d)::QAR1(B)
      • P(c);SBLOCK,S_CUTB(d)::QAR2(B)
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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).