MESON Chess Problem Database

Problem Display
PID: 145314 (2K1R3/3ppQ2/1P5p/nrp2Npr/2pPkBp1/R3q3/2n5/2NB3b w - - 0 1)

Battaglia, Emilio

Schakend Nederland, 1971

2K1R3/3ppQ2/1P5p/nrp2Npr/2pPkBp1/R3q3/2n5/2NB3b

#2

10 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd4
      • 2.Sg3#
    • 1...Qxf4
      • 2.Bxc2#
    • 1...Sxd4
      • 2.Sd6#
    • 1...cxd4
      • 2.Sd6#
    • 1...gxf4
      • 2.Rxe7#
  • Tries
    • 1.Rxe3+?
      • 1...Kxf4
        • 2.Se2#
      • 1...Sxe3!
    • 1.Qxe7+?
      • 1...Kd5
        • 2.Qd6#
        • 2.Qxd7#
      • 1...Kxf5
        • 2.Qf7#
      • 1...Kxf4!
  • Keys
    • 1.Sxe7!
      • threat
        • 2.Sc6#
      • 1...Kxd4
        • 2.Sf5#
      • 1...Qxd4
        • 2.Qf5#
      • 1...Qxf4
        • 2.Qd5#
      • 1...Sxd4
        • 2.Rxe3#
      • 1...cxd4
        • 2.Sd5#
      • 1...gxf4
        • 2.Sf5#
      • 1...Sc6
        • 2.Sxc6#

This is after

After C. Goldschmeding.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 5
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(c);N_GUARD,SBLOCK,XP(D)::S(F)
    • Q(c);N_GUARD,SBLOCK,XB(E)::B(B),XS(b)
    • S(b);SBLOCK,XP(D)::S(F)
    • P(i);SBLOCK,XP(D)::S(F)
    • P(j);SBLOCK,XB(E)::R(J),XP(n)
  • Tries
    • Try
      • R(C);CHECK,XQ(c)
      • Vars
        • K(e);N_SPINP(n),P-FLIGHT,XB(E)::S(A)
      • Refutation
        • S(b);XR(C)
    • Try
      • Q(H);CHECK,XP(n)
      • Vars
        • K(e);S_FLIGHT,XS(F)::QAR2(H)
      • Refutation
        • K(e);P-FLIGHT,XB(E)
  • Actual
    • S(F);XP(n)
    • Threat
      • R(J)+S(F)
    • Vars
      • K(e);P-FLIGHT,XP(D)::S(F)
      • Q(c);SBLOCK,XP(D)::QAB1(H)
      • Q(c);SBLOCK,XB(E)::QAB1(H)
      • S(b);N_GUARD,SBLOCK,XP(D)::R1(C),XQ(c)
      • P(i);SBLOCK,XP(D)::R(J)+S(F)
      • P(j);SBLOCK,XB(E)::R(J)+S(F)
      • S(g);::R(J)+S(F),XS(g)
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).