MESON Chess Problem Database

Problem Display
PID: 140490 (1B6/1pr1p3/4PQ2/n4bN1/Rb2Nk1P/2pR1ppP/2Kn4/8 w - - 0 1)

Bonivento, Oscar

Sardella, Giuseppe

L'Italia Scacchistica, 2001

1B6/1pr1p3/4PQ2/n4bN1/Rb2Nk1P/2pR1ppP/2Kn4/8

#2

10 + 11

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Rxf3#
    • 1...Sf1
      • 2.Rxf3#
    • 1...Sdb3
      • 2.Rxf3#
    • 1...Sdc4
      • 2.Rxf3#
    • 1...Sxe4
      • 2.Rxf3#
  • Tries
    • 1.Sxg3?
      • threat
        • 2.Sh5#
        • 2.Bxc7#
      • 1...exf6
        • 2.Bxc7#
      • 1...Sac4
        • 2.Sh5#
      • 1...Sdc4
        • 2.Sh5#
      • 1...Se4
        • 2.Sh5#
        • 2.Rxf3#
      • 1...Sc6
        • 2.Sh5#
      • 1...Kxg3!
  • Keys
    • 1.Sxc3!
      • threat
        • 2.Bxc7#
      • 1...Sac4
        • 2.Sd5#
      • 1...Sdc4
        • 2.Sd5#
      • 1...Se4
        • 2.Rxf3#
      • 1...Sc6
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • S(a);N_GUARD::R1(B),XP(c)
    • S(a);N_GUARD,XS(E)::R1(B),XP(c)
  • Tries
    • Try
      • S(E);N_PINB(h),P_PINB(e),P_SPINR(B),XP(d)
      • Threat
        • DUALS(2)
      • Vars
        • P(k);XQ(I)::B(J),XR(j)
        • S(g);N_SPINB(e),P_SPINB(h)::S(E)
        • S(a);N_SPINB(e),P_SPINB(h)::S(E)
        • S(g);::S(E)
      • Refutation
        • K(f);N_SPINB(e),P_SPINP(c),S_FLIGHT,XS(E)
  • Actual
    • S(E);N_PINB(h),P_PINB(e),P_SPINR(B),P_SPINS(E),XP(b)
    • Threat
      • B(J),XR(j)
    • Vars
      • S(g);N_PINS(E),N_SPINB(e),P_SPINB(h)::S(E)
      • S(a);N_PINS(E),N_SPINB(e),P_SPINB(h)::S(E)
      • S(a);N_PINR(B),N_SPINB(e),P_SPINB(h)::R1(B),XP(c)
      • S(g);N_PINS(E)::S(E)
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).