MESON Chess Problem Database

Problem Display
PID: 96761 (KR6/2pNkr1n/2Q3P1/p1Pp4/1B3pr1/7B/b3N3/2q1R1b1 w - - 0 1)

Tritten, Pierre

Problemesis, 2004

KR6/2pNkr1n/2Q3P1/p1Pp4/1B3pr1/7B/b3N3/2q1R1b1

#2

10 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc5
      • 2.Sxg1#
    • 1...Rg2
      • 2.Qe6#
    • 1...Rg3
      • 2.Qe6#
    • 1...Rh4
      • 2.Qe6#
    • 1...Rg5
      • 2.Qe6#
    • 1...Bh2
      • 2.Sxc1#
    • 1...Bxc5
      • 2.Sxc1#
  • Tries
    • 1.Sf8?
      • threat
        • 2.Re8#
        • 2.Qe6#
      • 1...Rxg6
        • 2.Sxg6#
        • 2.Re8#
      • 1...Sxf8
        • 2.Re8#
      • 1...Qe3
        • 2.Re8#
      • 1...Rf6
        • 2.Re8#
        • 2.Qd7#
        • 2.Qe8#
        • 2.Qxc7#
      • 1...Sg5
        • 2.Re8#
      • 1...Sf6
        • 2.Qe6#
      • 1...d4
        • 2.Re8#
      • 1...Rxf8!
  • Keys
    • 1.Qxc7!
      • threat
        • 2.Qd6#
      • 1...Ke6
        • 2.Sd4#
      • 1...Qxc5
        • 2.Sxg1#
      • 1...Rxg6
        • 2.Qd8#
      • 1...Bxc5
        • 2.Sxc1#
      • 1...Rf6
        • 2.Sf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • Q(a);N_GUARD,P_SPINQ(a),XP(E)::R(A)+S(B),XB(b)
    • R(e);::QAR1(F)
    • B(b);N_GUARD::R(A)+S(B),XQ(a)
    • B(b);N_GUARD,P_SPINB(b),XP(E)::R(A)+S(B),XQ(a)
  • Tries
    • Try
      • S(H);
      • Threat
        • DUALS(2)
      • Vars
        • S(k);XS(H)::R1(J)
        • Q(a);::R1(J)
        • S(k);::R1(J)
        • S(k);::QAR1(F)
        • P(g);::R1(J)
      • Refutation
        • R(j);P_PINR(J),XS(H)
  • Actual
    • Q(F);XP(h)
    • Threat
      • QAB1(F)
    • Vars
      • K(i);P-FLIGHT,P_SPINR(e)::R(A)+S(B),DCHECK
      • Q(a);N_GUARD,P_SPINQ(a),XP(E)::R(A)+S(B),XB(b)
      • R(e);XP(G)::QAB1(F)
      • B(b);N_GUARD,P_SPINB(b),XP(E)::R(A)+S(B),XQ(a)
      • R(j);SBLOCK::QAR(F)+S(H)
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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).