MESON Chess Problem Database

Problem Display
PID: 265444 (B3n2B/3N4/1pK1N1Q1/5r1p/4k3/4b3/2P1R3/1r6 w - - 0 1)

Handloser, Ralf Chris

Candela MT (Problemas), 2018

B3n2B/3N4/1pK1N1Q1/5r1p/4k3/4b3/2P1R3/1r6

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qg2#
    • 1...Sd6
      • 2.Kxd6#
    • 1...Sc7
      • 2.Kxc7#
    • 1...Sg7
      • 2.Kd6#
      • 2.Kc7#
  • Tries
    • 1.Sdc5+?
      • 1...Kf3
        • 2.Qg2#
      • 1...bxc5!
    • 1.Sf6+?
      • 1...Kf3
        • 2.Qg2#
      • 1...Ke5
        • 2.Rxe3#
      • 1...Sxf6!
    • 1.Bd4?
      • threat
        • 2.Rxe3#
      • 1...Kf3
        • 2.Qg2#
      • 1...Re1
        • 2.Kxb6#
      • 1...Rb3!
    • 1.Qg4+?
      • 1...Rf4
        • 2.Sg5#
        • 2.Qxf4#
      • 1...hxg4!
  • Keys
    • 1.Be5!
      • threat
        • 2.Sg5#
      • 1...Kf3
        • 2.Qg2#
      • 1...Rg1
        • 2.Kb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(c);N_SPINB(b),N_SPINR(d),S_CUTR(d),S_FLIGHT::QAB1(E)
    • S(g);::B(G)+K(C),XS(g)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(c);N_SPINB(b),N_SPINR(d),S_FLIGHT::QAB1(E)
      • Refutation
        • P(f);XS(F)
    • Try
      • S(F);CHECK
      • Vars
        • K(c);N_GUARD,N_SPINB(b),N_SPINR(d),S_FLIGHT::QAB1(E)
        • K(c);N_GUARD,N_SPINR(d),P-FLIGHT::R(B),XB(b)
      • Refutation
        • S(g);XS(F)
    • Try
      • B(H);
      • Threat
        • R1(B),XB(b)
      • Vars
        • K(c);N_SPINB(b),N_SPINR(d),S_CUTR(d),S_FLIGHT::QAB1(E)
        • R(a);::B(G)+K(C),XP(f)
      • Refutation
        • R(a);
    • Try
      • Q(E);CHECK,N_PINR(d)
      • Refutation
        • P(e);XQ(E)
  • Actual
    • B(H);
    • Threat
      • S(D)
    • Vars
      • K(c);N_SPINB(b),N_SPINR(d),S_CUTR(d),S_FLIGHT::QAB1(E)
      • R(a);::B(G)+K(C)
HTML5 logo

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).