MESON Chess Problem Database

Problem Display
PID: 15661 (2RR4/2N2p2/2Pn3K/P1kP1pQ1/3rp1p1/2P1n3/1N2B3/2br2B1 w - - 0 1)

Garofalo, Antonio

The Problemist, 1986

2RR4/2N2p2/2Pn3K/P1kP1pQ1/3rp1p1/2P1n3/1N2B3/2br2B1

#2

12 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2
      • 2.Sa4#
    • 1...Ra4
      • 2.Sxa4#
    • 1...Rxd5
      • 2.Sa6#
    • 1...Sf1
      • 2.Sa4#
    • 1...Sc2
      • 2.Sa4#
    • 1...Sg2
      • 2.Sa4#
    • 1...Sec4
      • 2.Sa4#
    • 1...Sxd5
      • 2.Sa6#
    • 1...Sdc4
      • 2.Sa4#
    • 1...Sb5
      • 2.Sa6#
    • 1...Sb7
      • 2.Sa6#
    • 1...Sxc8
      • 2.Sa6#
    • 1...Se8
      • 2.Sa6#
    • 1...f4
      • 2.Sa6#
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qxd6#
      • 1...Rxd5
        • 2.Sa6#
      • 1...Sxd5
        • 2.Sa6#
      • 1...Sxc8
        • 2.Sa6#
      • 1...Sf1
        • 2.Sa4#
      • 1...Sc2
        • 2.Sa4#
      • 1...Sg2
        • 2.Sa4#
      • 1...Sec4
        • 2.Sa4#
      • 1...Sdc4
        • 2.Sa4#
      • 1...Sb5
        • 2.Sa6#
      • 1...Sb7
        • 2.Sa6#
      • 1...Se8
        • 2.Sa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(d);N_GUARD,P_SPINS(c)::S(B)
    • R(d);N_GUARD,P_SPINS(c)::S(B),XR(d)
    • R(d);P_SPINS(c),SBLOCK,XP(F)::S(J)
    • S(c);P_PINQ(G),P_SPINR(d)::S(B)
    • S(c);P_PINQ(G),P_SPINR(d),SBLOCK,XP(F)::S(J)
    • S(i);S_CUTR(d)::S(B)
    • S(i);::S(J)
    • S(i);XR(K)::S(J)
    • P(h);::S(J)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G),XS(i)
    • Vars
      • R(d);P_SPINS(c),SBLOCK,XP(F)::S(J)
      • S(c);P_PINQ(G),P_SPINR(d),SBLOCK,XP(F)::S(J)
      • S(i);XR(K)::S(J)
      • S(c);P_PINQ(G),P_SPINR(d)::S(B)
      • S(i);S_CUTR(d)::S(B)
      • S(i);::S(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).