MESON Chess Problem Database

Problem Display
PID: 138325 (3R3b/1r2Q3/2p1PB2/n1P1N1R1/2pPkpP1/3p1p2/BP3p2/3K1N2 w - - 0 1)

Gavrilovski, Zoran

The Problemist, 2010

3R3b/1r2Q3/2p1PB2/n1P1N1R1/2pPkpP1/3p1p2/BP3p2/3K1N2

#2

13 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb2
      • 2.Qh7#
    • 1...Rb3
      • 2.Qh7#
    • 1...Rb4
      • 2.Qh7#
    • 1...Rb5
      • 2.Qh7#
    • 1...Rb6
      • 2.Qh7#
    • 1...Rb8
      • 2.Qh7#
    • 1...d2
      • 2.Bb1#
  • Tries
    • 1.Sxc4?
      • threat
        • 2.Sfd2#
        • 2.Scd2#
        • 2.Sd6#
        • 2.Re5#
      • 1...Rxb2
        • 2.Sd6#
        • 2.Re5#
        • 2.Qh7#
      • 1...Bxf6
        • 2.Sfd2#
        • 2.Scd2#
      • 1...d2
        • 2.Bb1#
      • 1...Rd7
        • 2.Sfd2#
        • 2.Scd2#
        • 2.exd7#
      • 1...Sb3
        • 2.Sd6#
        • 2.Re5#
      • 1...Sxc4!
    • 1.Sg6?
      • threat
        • 2.Re5#
      • 1...d2
        • 2.Bb1#
      • 1...Rd7
        • 2.exd7#
      • 1...Bxf6!
    • 1.Sd7?
      • threat
        • 2.Qh7#
      • 1...Rxd7
        • 2.exd7#
      • 1...Bxf6
        • 2.Sxf6#
      • 1...Bg7!
    • 1.Sf7?
      • threat
        • 2.Sd6#
        • 2.Re5#
      • 1...d2
        • 2.Bb1#
      • 1...Rd7
        • 2.exd7#
      • 1...Bxf6!
  • Keys
    • 1.Sxd3!
      • threat
        • 2.Sxf2#
      • 1...Kxd3
        • 2.Bb1#
      • 1...Rxb2
        • 2.Qh7#
      • 1...cxd3
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(i);N_GUARD,XP(D)::QAB(L)
    • R(i);N_GUARD::QAB(L)
    • P(b);OGATEB::B(C)
  • Tries
    • Try
      • S(H);XP(d)
      • Threat
        • DUALS(4)
      • Vars
        • P(b);OGATEB::B(C)
      • Refutation
        • S(g);XS(H)
    • Try
      • S(H);
      • Threat
        • R1(I)
      • Vars
        • P(b);OGATEB::B(C)
        • R(i);OGATE::QAR(L)+P(J),XR(i)
      • Refutation
        • B(j);XB(K)
    • Try
      • S(H);
      • Threat
        • QAB(L)
      • Vars
        • R(i);OGATE,XS(H)::QAR(L)+P(J),XR(i)
        • B(j);XB(K)::S(H),XB(j)
      • Refutation
        • B(j);
    • Try
      • S(H);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);OGATEB::B(C)
        • R(i);OGATE::QAR(L)+P(J),XR(i)
      • Refutation
        • B(j);XB(K)
  • Actual
    • S(H);XP(b)
    • Threat
      • S(H),XP(a)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XS(H)::B(C)
      • R(i);N_GUARD,XP(D)::QAB(L)
      • P(d);SBLOCK,XS(H)::R1(I)
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).