MESON Chess Problem Database

Problem Display
PID: 287112 (7Q/p1N2n2/3pR3/1B2qP2/1P1k2rN/1K2Rp2/5Pbb/8 w - - 0 1)

Monreal, Pierre

di Scala, Pascal

Themes-64, 1962

7Q/p1N2n2/3pR3/1B2qP2/1P1k2rN/1K2Rp2/5Pbb/8

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qf6
      • 2.Rd3#
    • 1...Qg7
      • 2.Rd3#
    • 1...Qxh8
      • 2.Rd3#
    • 1...Re4
      • 2.Rd3#
    • 1...Bf1
      • 2.Sxf3#
    • 1...Bh3
      • 2.Sxf3#
    • 1...Sg5
      • 2.Rxd6#
    • 1...Sh6
      • 2.Rxd6#
    • 1...Sd8
      • 2.Rxd6#
  • Keys
    • 1.Qa8!
      • threat
        • 2.Rd3#
      • 1...Qxe3+
        • 2.fxe3#
      • 1...Qd5+
        • 2.Qxd5#
      • 1...Qxe6+
        • 2.Sxe6#
      • 1...Qxb5
        • 2.Sxb5#
      • 1...Qxf5
        • 2.Sxf5#
      • 1...Qe4
        • 2.Qxa7#
      • 1...Bf1
        • 2.Sxf3#
      • 1...d5
        • 2.Qxa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 8
  • Sets
    • Q(f);::R1(C)
    • Q(f);N_SPINQ(f),XQ(J)::R1(C)
    • R(e);SBLOCK::R1(C)
    • B(a);N_GUARD::S(E),XP(c)
    • S(i);N_GUARD::R(H),XP(g)
  • Actual
    • Q(J);N_PINQ(f)
    • Threat
      • R1(C)
    • Vars
      • Q(f);CHECK,OGATE,XR(C)::P(A),XQ(f)
      • Q(f);CHECK,N_GUARD::QAR1(J),XQ(f)
      • Q(f);CHECK,XR(H)::S(I),XQ(f)
      • Q(f);P_PINP(D),XB(F)::S(I),XQ(f)
      • Q(f);XP(G)::S(E),XQ(f)
      • Q(f);N_GUARD::QAB(J),XP(h)
      • B(a);N_GUARD::S(E),XP(c)
      • P(g);S_CUTQ(f)::QAB(J),XP(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).