Problem Display
PID: 269967 (6K1/8/1N6/R1pBk3/8/B7/8/4NQ2 w - - 0 1)

Gvozdjak, Peter

2nd HM., Pat a Mat, 2008-2009

6K1/8/1N6/R1pBk3/8/B7/8/4NQ2

#2

7 + 2


17267 FIDE Album (2007-2009) 2015

SOLUTION


  • SOUND
  • Tries
    • 1.Kf7?
      • threat
        • 2.Qf6#
      • 1...Kd6
        • 2.Qf4#
      • 1...Kd4!
    • 1.Sc2?
      • 1...c4
        • 2.Sxc4#
        • 2.Sd7#
      • 1...Kd6!
    • 1.Sg2?
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.Bb2#
      • 1...Kd6!
    • 1.Sc4+?
      • 1...Kd4
        • 2.Qd3#
      • 1...Kxd5!
    • 1.Bc1?
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.Qf6#
      • 1...Kd6!
    • 1.Qf2?
      • 1...c4
        • 2.Sxc4#
        • 2.Sd7#
      • 1...Kd6!
    • 1.Qf7?
      • 1...Kd6
        • 2.Sc4#
      • 1...c4
        • 2.Sf3#
      • 1...Kd4!
    • 1.Qf8?
      • threat
        • 2.Sf3#
        • 2.Bb2#
      • 1...c4
        • 2.Sf3#
      • 1...Kd4!
  • Keys
    • 1.Rxc5!
      • 1...Kd4
        • 2.Qf4#
      • 1...Kd6
        • 2.Qf6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Threat
        • QAB1(B)
      • Vars
        • K(b);N_GUARD,P_SPINP(a),S_FLIGHT::QAB(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(A);
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • S(A);
      • Threat
        • QAB1(B)
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(C)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a),XB(E)
    • Try
      • B(C);
      • Threat
        • QAB1(B)
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAB(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);N_GUARD,P_SPINP(a),S_FLIGHT::S(F)
        • P(a);::S(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::S(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(D);XP(a)
    • Vars
      • K(b);N_GUARD,S_FLIGHT::QAR2(B)


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).