MESON Chess Problem Database

Problem Display
PID: 265450 (2n5/2QK1p2/bpp2P1p/n2kB2R/1P1Np1r1/1P3B2/3R1N2/4q2r w - - 0 1)

Colaneri, Bruno

Candela MT (Problemas), 2018

2n5/2QK1p2/bpp2P1p/n2kB2R/1P1Np1r1/1P3B2/3R1N2/4q2r

#2

11 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qg1
      • 2.Sb5#
    • 1...Sxb3
      • 2.Qxc6#
    • 1...Sc4
      • 2.Qxc6#
    • 1...Sb7
      • 2.Qxc6#
    • 1...Sd6
      • 2.Qxd6#
    • 1...Sa7
      • 2.Qd6#
    • 1...Se7
      • 2.Qd6#
  • Tries
    • 1.Sc2+?
      • 1...Bd3
        • 2.Rxd3#
      • 1...Qxd2!
    • 1.Se2+?
      • 1...Bd3
        • 2.Sc3#
        • 2.Rxd3#
      • 1...Qxd2!
    • 1.Sf5+?
      • 1...Bd3
        • 2.Rxd3#
      • 1...Qxd2!
    • 1.Sxc6+?
      • 1...Bd3
        • 2.Rxd3#
      • 1...Qxd2!
    • 1.Se6+?
      • 1...Bd3
        • 2.Rxd3#
      • 1...Qxd2!
  • Keys
    • 1.Sxe4!
      • threat
        • 2.Sc3#
      • 1...Qxe4
        • 2.Sb5#
      • 1...Rxe4
        • 2.Bh2#
      • 1...Sxb3
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • Q(a);N_GUARD::R(A)+S(F)
    • S(e);N_GUARD,XP(C)::QAB1(J),XP(i)
    • S(e);N_GUARD::QAB1(J),XP(i)
    • S(l);N_GUARD::QAR1(J),XS(l)
    • S(l);N_GUARD::QAR1(J)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • B(g);N_GUARD,P_SPINB(g)::R(A),XB(g)
      • Refutation
        • Q(a);XR(A)
    • Try
      • S(F);CHECK
      • Refutation
        • Q(a);XR(A)
    • Try
      • S(F);CHECK
      • Vars
        • B(g);N_GUARD,P_SPINB(g)::R(A),XB(g)
      • Refutation
        • Q(a);XR(A)
    • Try
      • S(F);CHECK,XP(i)
      • Vars
        • B(g);N_GUARD,P_SPINB(g)::R(A),XB(g)
      • Refutation
        • Q(a);XR(A)
    • Try
      • S(F);CHECK
      • Vars
        • B(g);N_GUARD,P_SPINB(g)::R(A),XB(g)
      • Refutation
        • Q(a);XR(A)
  • Actual
    • S(B);XP(c)
    • Threat
      • B(D)+S(B),DCHECK
    • Vars
      • Q(a);N_GUARD,P_SPINQ(a),XS(B)::R(A)+S(F)
      • R(d);N_GUARD,P_SPINR(d),XS(B)::R(H)+B(G)
      • S(e);N_GUARD,XP(C)::QAB1(J),XP(i)
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).