MESON Chess Problem Database

Problem Display
PID: 170006 (4R1b1/4N3/8/KQ2p2r/2pP1P2/R1N1k3/4B3/4B2n w - - 0 1)

Rizzetti, Dante Hugo

4th Comm., Enroque!!, 1946

4R1b1/4N3/8/KQ2p2r/2pP1P2/R1N1k3/4B3/4B2n

#2

10 + 6

16325 Seleccion de Problemas de Dante Hugo Rizzetti (Kapros) 2013
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qb6#
    • 1...Rh2
      • 2.Qxe5#
    • 1...Rh3
      • 2.Qxe5#
    • 1...Rh4
      • 2.Qxe5#
    • 1...Rh6
      • 2.Qxe5#
    • 1...Rh7
      • 2.Qxe5#
    • 1...Rh8
      • 2.Qxe5#
    • 1...exd4
      • 2.Sed5#
    • 1...exf4
      • 2.Sf5#
  • Tries
    • 1.Sed5+?
      • 1...Kxd4
        • 2.Qxc4#
        • 2.Qb6#
      • 1...Bxd5!
  • Keys
    • 1.Qb2!
      • threat
        • 2.Qd2#
      • 1...exd4+
        • 2.Sed5#
      • 1...exf4+
        • 2.Sf5#
      • 1...e4+
        • 2.Scd5#
      • 1...Kxd4
        • 2.Qb6#
      • 1...Kxf4
        • 2.Qc1#
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • K(b);OGATEB,S_FLIGHT,XP(E)::QAB(H)
    • R(e);N_GUARD::QAR2(H),XP(d)
    • P(d);P_PINQ(H),SBLOCK,XP(E)::R(J)+S(I),DCHECK
    • P(d);P_PINQ(H),SBLOCK,XP(F)::R(J)+S(I),DCHECK
  • Tries
    • Try
      • S(I);CHECK,P_PINP(d)
      • Refutation
        • B(f);XS(I)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H)
    • Vars
      • P(d);CHECK,SBLOCK,XP(E)::R(J)+S(I),DCHECK
      • P(d);CHECK,SBLOCK,XP(F)::R(J)+S(I),DCHECK
      • P(d);CHECK,SBLOCK::R(C)+S(D),DCHECK
      • K(b);OGATEB,S_FLIGHT,XP(E)::QAB(H)
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).