Problem Display
PID: 137619 (7B/1p2p2N/1PB2PK1/pp1r4/Rb2k3/1N1pqnPp/7P/4Rb1Q w - - 0 1)

Minost, Andre

diagrammes, 1991

7B/1p2p2N/1PB2PK1/pp1r4/Rb2k3/1N1pqnPp/7P/4Rb1Q

#2

12 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...e5
      • 2.Sg5#
  • Tries
    • 1.Qxf3+?
      • 1...Ke5
        • 2.Qxd5#
      • 1...Kxf3!
  • Keys
    • 1.fxe7!
      • threat
        • 2.Sd2#
        • 2.Sc5#
        • 2.Sg5#
        • 2.e8Q#
        • 2.e8R#
      • 1...Qxe1
        • 2.e8Q#
        • 2.e8R#
      • 1...bxa4
        • 2.Sg5#
      • 1...bxc6
        • 2.Sd2#
      • 1...Qe2
        • 2.e8Q#
        • 2.e8R#
      • 1...d2
        • 2.Sc5#
      • 1...Be2
        • 2.e8Q#
        • 2.e8R#
      • 1...Bg2
        • 2.Sc5#

This is after

After Y. Retter.

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(l);SBLOCK::S(K)
  • Tries
    • Try
      • Q(B);CHECK,XS(d)
      • Vars
        • K(g);N_SPINB(f),N_SPINR(j),OGATE,P-FLIGHT::QAR1(B),XR(j)
      • Refutation
        • K(g);N_SPINB(f),N_SPINQ(c),S_FLIGHT,XQ(B)
  • Actual
    • P(I);XP(l)
    • Threat
      • DUALS(5)
    • Vars
      • Q(c);N_SPINQ(c),XR(A)::P=Q
      • P(i);N_SPINB(f),XR(F)::S(K)
      • P(k);N_SPINR(j),XB(H)::S(D)
      • Q(c);::P=Q
      • P(b);::S(D)
      • B(a);N_SPINQ(c)::P=Q
      • B(a);N_SPINS(d)::S(D)


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).