MESON Chess Problem Database

Problem Display
PID: 16085 (8/3pNQ2/5Bp1/1r6/3Pkp1n/R6N/2p1nK2/2rb4 w - - 0 1)

Subotic, Miroslav

Probleemblad, 2000

8/3pNQ2/5Bp1/1r6/3Pkp1n/R6N/2p1nK2/2rb4

#2

7 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Sg5#
      • 2.Qd5#
    • 1...Rb2
      • 2.Sg5#
      • 2.Qd5#
    • 1...Rb4
      • 2.Sg5#
      • 2.Qd5#
    • 1...Rd5
      • 2.Qxd5#
    • 1...Rg5
      • 2.Sxg5#
    • 1...Rb6
      • 2.Sg5#
      • 2.Qd5#
    • 1...Rb7
      • 2.Sg5#
      • 2.Qd5#
    • 1...Rb8
      • 2.Sg5#
      • 2.Qd5#
    • 1...Sf5
      • 2.Sg5#
    • 1...f3
      • 2.Re3#
    • 1...d5
      • 2.Sg5#
      • 2.Qe6#
  • Tries
    • 1.Qe6+?
      • 1...Re5
        • 2.Qxe5#
      • 1...dxe6!
    • 1.Qxg6+?
      • 1...Rf5
        • 2.Sg5#
      • 1...Sf5
        • 2.Sg5#
      • 1...Sxg6!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qd3#
      • 1...Rb3
        • 2.Sg5#
      • 1...Sc3
        • 2.d5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(h);N_GUARD::QAB1(G),XR(h)
    • R(h);N_GUARD::S(C),XR(h)
    • S(g);S_CUTR(h)::S(C)
    • P(f);N_GUARD::R1(B)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • R(h);N_GUARD,P_SPINR(h)::QAR1(G),XR(h)
      • Refutation
        • P(j);XQ(G)
    • Try
      • Q(G);CHECK,XP(i)
      • Vars
        • R(h);P_SPINR(h)::S(C)
        • S(g);P_SPINS(g)::S(C)
      • Refutation
        • S(g);XQ(G)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • R(h);N_GUARD::S(C)
      • S(d);N_GUARD::QAR(G)+P(D)
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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).