MESON Chess Problem Database

Problem Display
PID: 259879 (2n1N1R1/1b3B2/4Rp1b/5k2/2p1r2p/4p2P/2Q4B/q1n2N1K w - - 0 1)

Uris, Miguel

Tolosa-100 MT (Problemas), 2016

2n1N1R1/1b3B2/4Rp1b/5k2/2p1r2p/4p2P/2Q4B/q1n2N1K

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Rxf6#
    • 1...Qa2
      • 2.Rxf6#
    • 1...Qa3
      • 2.Rxf6#
    • 1...Qa4
      • 2.Rxf6#
    • 1...Qa5
      • 2.Rxf6#
    • 1...Qa7
      • 2.Rxf6#
    • 1...Qa8
      • 2.Rxf6#
    • 1...Bg5
      • 2.Sg7#
    • 1...Bf8
      • 2.Sxe3#
    • 1...Ba6
      • 2.Qxe4#
    • 1...Sb6
      • 2.Sd6#
    • 1...Sd6
      • 2.Sxd6#
    • 1...Sa7
      • 2.Sd6#
    • 1...Se7
      • 2.Sd6#
    • 1...c3
      • 2.Rxf6#
  • Tries
    • 1.Rg5+?
      • 1...Bxg5
        • 2.Sg7#
      • 1...fxg5
        • 2.Sxe3#
      • 1...Kxg5!
  • Keys
    • 1.Qg2!
      • threat
        • 2.Qg6#
      • 1...Rxe6
        • 2.Bg6#
      • 1...Rd4
        • 2.Rxf6#
      • 1...Rf4
        • 2.Sxe3#
      • 1...Rg4
        • 2.hxg4#
      • 1...Re5
        • 2.Rxf6#
      • 1...Bg5
        • 2.Sg7#
      • 1...Se7
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 13
  • Sets
    • Q(a);N_GUARD::R1(F),XP(h)
    • B(i);N_GUARD,SBLOCK::S(H)
    • B(i);N_GUARD::S(A),XP(c)
    • B(j);N_GUARD::QAB1(C),XR(e)
    • S(k);N_GUARD::S(H)
    • S(k);N_GUARD::S(H),XS(k)
    • P(d);S_CUTQ(a)::R1(F),XP(h)
  • Tries
    • Try
      • R(I);CHECK
      • Vars
        • B(i);SBLOCK,XR(I)::S(H)
        • P(h);SBLOCK,XR(I)::S(A),XP(c)
      • Refutation
        • K(g);N_SPINR(e),P-FLIGHT,XR(I)
  • Actual
    • Q(C);N_PINR(e)
    • Threat
      • QAB1(C)
    • Vars
      • R(e);P_PINQ(C),SBLOCK,XR(F)::B(G)
      • R(e);P_PINQ(C),S_CUTQ(a)::R1(F),XP(h)
      • R(e);N_GUARD,P_PINQ(C),S_CUTB(i)::S(A),XP(c)
      • R(e);OGATE,P_PINQ(C)::P(E),XR(e)
      • B(i);N_GUARD::S(H)
      • S(k);N_GUARD::S(H)
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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).