MESON Chess Problem Database

Problem Display
PID: 96575 (1K1Q2B1/1N4p1/2p3p1/1np5/2rPkpP1/R1b2p1R/b1P1Pq2/5N2 w - - 0 1)

Mirri, Giorgio

Problemas, 1975

1K1Q2B1/1N4p1/2p3p1/1np5/2rPkpP1/R1b2p1R/b1P1Pq2/5N2

#2

11 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qe1
      • 2.exf3#
    • 1...Qg1
      • 2.exf3#
    • 1...Qh4
      • 2.exf3#
    • 1...Qh2
      • 2.exf3#
    • 1...Ra4
      • 2.Sxc5#
    • 1...Rb4
      • 2.Sxc5#
    • 1...Ba1
      • 2.Sd2#
    • 1...Bb2
      • 2.Sd2#
    • 1...Bd2
      • 2.Sxd2#
    • 1...cxd4
      • 2.Qe7#
      • 2.Qe8#
  • Tries
    • 1.Qf6?
      • threat
        • 2.Qe5#
      • 1...Qxd4
        • 2.exf3#
      • 1...Rxd4
        • 2.Sxc5#
      • 1...Bxd4
        • 2.Sd2#
      • 1...Sxd4
        • 2.Sd6#
      • 1...cxd4
        • 2.Qe7#
        • 2.Qe6#
      • 1...gxf6!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qe5#
      • 1...Kxd4
        • 2.Qxf4#
      • 1...Qxd4
        • 2.exf3#
      • 1...Rxd4
        • 2.Sxc5#
      • 1...Bxd4
        • 2.Sd2#
      • 1...Sxd4
        • 2.Sd6#
      • 1...cxd4
        • 2.Qe7#

There are these versions: 58186

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 9
  • Sets
    • Q(b);N_GUARD::P(C),XP(d)
    • R(e);N_GUARD::S(H),XP(i)
    • B(c);N_GUARD::S(A)
    • B(c);N_GUARD::S(A),XB(c)
  • Tries
    • Try
      • Q(J);
      • Threat
        • QAR1(J)
      • Vars
        • Q(b);N_GUARD,XP(F)::P(C),XP(d)
        • R(e);N_GUARD,XP(F)::S(H),XP(i)
        • B(c);N_GUARD,XP(F)::S(A)
        • S(h);N_GUARD,XP(F)::S(H)
      • Refutation
        • P(l);XQ(J)
  • Actual
    • Q(J);
    • Threat
      • QAR1(J)
    • Vars
      • K(f);P-FLIGHT,XP(F)::QAR2(J),XP(g)
      • Q(b);N_GUARD,SBLOCK,XP(F)::P(C),XP(d)
      • R(e);N_GUARD,SBLOCK,XP(F)::S(H),XP(i)
      • B(c);N_GUARD,SBLOCK,XP(F)::S(A)
      • S(h);N_GUARD,SBLOCK,XP(F)::S(H)
      • P(i);SBLOCK,XP(F)::QAR(J)
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).