Problem Display
PID: 117592 (1R1NR3/3p4/2p1P3/3kp1P1/2pP4/B1P3K1/8/1Q6 w - - 0 1)

Markovtsy, Vassyl Yuriovich

Apprenti Sorcier, 1996

1R1NR3/3p4/2p1P3/3kp1P1/2pP4/B1P3K1/8/1Q6

#2

10 + 5


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...exd4
      • 2.Qf5#
  • Tries
    • 1.Kf3?
      • threat
        • 2.Qe4#
      • 1...e4+
        • 2.Qxe4#
      • 1...c5!
    • 1.Rb7?
      • threat
        • 2.Rxd7#
      • 1...exd4
        • 2.Qf5#
      • 1...dxe6
        • 2.Rd7#
      • 1...d6!
    • 1.Re7?
      • threat
        • 2.Rxd7#
      • 1...exd4
        • 2.Qf5#
      • 1...dxe6
        • 2.Rd7#
      • 1...d6!
    • 1.exd7?
      • threat
        • 2.Rxe5#
      • 1...exd4
        • 2.Qe4#
        • 2.Qf5#
        • 2.Qh1#
      • 1...e4
        • 2.Re5#
        • 2.Qxe4#
      • 1...c5!
  • Keys
    • 1.Sxc6!
      • 1...Kxc6
        • 2.Qb7#
      • 1...exd4
        • 2.Qh1#
      • 1...dxc6
        • 2.Rbd8#
      • 1...dxe6
        • 2.Se7#
      • 1...e4
        • 2.Qb5#
      • 1...d6
        • 2.Sb4#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB,XP(E)::QAR2(A)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • QAB1(A)
      • Vars
        • P(c);CHECK::QAB1(A),XP(c)
      • Refutation
        • P(d);
    • Try
      • R(H);
      • Threat
        • R(H),XP(e)
      • Vars
        • P(c);OGATEB,XP(E)::QAR2(A)
        • P(e);XP(G)::R(H)
      • Refutation
        • P(e);
    • Try
      • R(J);
      • Threat
        • R(J),XP(e)
      • Vars
        • P(c);OGATEB,XP(E)::QAR2(A)
        • P(e);XP(G)::R(J)
      • Refutation
        • P(e);
    • Try
      • P(G);XP(e)
      • Threat
        • R1(J),XP(c)
      • Refutation
        • P(d);
  • Actual
    • S(I);XP(d)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(I)::QAB1(A)
      • P(c);N_GUARD,XP(E)::QAB(A)
      • P(e);OGATEB,SBLOCK,XS(I)::R(H)
      • P(e);SBLOCK,XP(G)::S(I)
      • P(c);SBLOCK::QAR2(A)
      • P(e);SBLOCK::S(I)


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).