MESON Chess Problem Database

Problem Display
PID: 104616 (8/2p5/3nK3/1P6/QPkp4/P2Rn3/P3B3/8 w - - 0 1)

Subotic, Miroslav

Nacionalno prvenstvo, 2003-2006

8/2p5/3nK3/1P6/QPkp4/P2Rn3/P3B3/8

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sxb5
      • 2.Qb3#
  • Tries
    • 1.Rd1+?
      • 1...Kc3
        • 2.Qb3#
      • 1...d3!
    • 1.Qa6?
      • threat
        • 2.Qc6#
      • 1...Se4
        • 2.b6#
      • 1...Sb7
        • 2.b6#
      • 1...c6
        • 2.Qxc6#
      • 1...c5!
  • Keys
    • 1.b6!
      • threat
        • 2.Qc6#
      • 1...Se4
        • 2.Qa6#
      • 1...Sb5
        • 2.Qb3#
      • 1...Sb7
        • 2.Qa6#
      • 1...c5
        • 2.b5#
      • 1...c6
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(d);SBLOCK,XP(G)::QAB1(E)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • Q(E);
      • Threat
        • QAR2(E)
      • Vars
        • S(d);N_GUARD::QAB(E)+P(G)
        • P(e);::QAR2(E),XP(e)
      • Refutation
        • P(e);
  • Actual
    • P(G);
    • Threat
      • QAR2(E)
    • Vars
      • S(d);N_GUARD::QAB(E)
      • S(d);SBLOCK::QAB1(E)
      • P(e);SBLOCK::QAR(E)+P(F)
      • P(e);::QAR2(E),XP(e)
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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).