Problem Display
PID: 257512 (8/1rpK1p2/2p2p2/1pQ2N2/3Nk1P1/2PpppPP/R7/1B2r2b w - - 0 1)

Loustau, Jean-Marc

Phenix, 2021

8/1rpK1p2/2p2p2/1pQ2N2/3Nk1P1/2PpppPP/R7/1B2r2b

#2

10 + 12


SOLUTION


  • SOUND
  • Tries
    • 1.Sxf3?
      • threat
        • 2.Qxc6#
      • 1...Kxf3
        • 2.Qxc6#
      • 1...Bxf3
        • 2.Qd4#
      • 1...Rb6!
    • 1.Sxb5?
      • threat
        • 2.Ra4#
        • 2.Qd4#
      • 1...Rxb1
        • 2.Qd4#
      • 1...Rxb5
        • 2.Qd4#
      • 1...cxb5
        • 2.Qd4#
      • 1...Ra7
        • 2.Qd4#
      • 1...f2!
    • 1.Sh4?
      • threat
        • 2.Qf5#
      • 1...f5
        • 2.Qxf5#
      • 1...e2!
    • 1.Sh6?
      • threat
        • 2.Qf5#
      • 1...f5
        • 2.Qxf5#
      • 1...e2!
    • 1.Se7?
      • threat
        • 2.Qf5#
      • 1...f5
        • 2.Qxf5#
      • 1...e2!
    • 1.Sg7?
      • threat
        • 2.Qf5#
      • 1...f5
        • 2.Qxf5#
      • 1...e2!
  • Keys
    • 1.Sxe3!
      • threat
        • 2.Qe7#
      • 1...Kxe3
        • 2.Qe7#
      • 1...Rxe3
        • 2.Qf5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);XP(e)
      • Threat
        • QAB(H),XP(h)
      • Vars
        • K(f);N_SPINP(c),S_FLIGHT,XS(F)::QAB(H),XP(h)
        • B(b);SBLOCK,XS(F)::QAR1(H)
      • Refutation
        • R(j);
    • Try
      • S(F);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • R(a);N_SPINP(c),XB(A)::QAR1(H)
        • R(j);XS(F)::QAR1(H)
        • P(h);XS(F)::QAR1(H)
        • R(j);::QAR1(H)
      • Refutation
        • P(e);
    • Try
      • S(I);
      • Threat
        • QAB1(H)
      • Vars
        • P(i);::QAB1(H),XP(i)
      • Refutation
        • P(d);
    • Try
      • S(I);
      • Threat
        • QAB1(H)
      • Vars
        • P(i);::QAB1(H),XP(i)
      • Refutation
        • P(d);
    • Try
      • S(I);
      • Threat
        • QAB1(H)
      • Vars
        • P(i);::QAB1(H),XP(i)
      • Refutation
        • P(d);
    • Try
      • S(I);
      • Threat
        • QAB1(H)
      • Vars
        • P(i);::QAB1(H),XP(i)
      • Refutation
        • P(d);
  • Actual
    • S(I);XP(d)
    • Threat
      • QAR(H)
    • Vars
      • K(f);N_SPINP(c),P-FLIGHT,XS(I)::QAR(H)
      • R(a);SBLOCK,XS(I)::QAB1(H)


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).