MESON Chess Problem Database

Problem Display
PID: 219183 (3n4/1p2K3/1pp5/prP5/PNk3B1/3R1Pp1/n3p3/4QNB1 w - - 0 1)

Uris, Miguel

BCPS Website, 2020

3n4/1p2K3/1pp5/prP5/PNk3B1/3R1Pp1/n3p3/4QNB1

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.Se3#
    • 1...Sc1
      • 2.Qc3#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Sxb4
      • 2.Qc3#
    • 1...Se6
      • 2.Bxe6#
    • 1...Sf7
      • 2.Be6#
    • 1...exf1Q
      • 2.Qe4#
    • 1...exf1S
      • 2.Qe4#
    • 1...exf1B
      • 2.Qe4#
    • 1...exf1R
      • 2.Qe4#
    • 1...bxc5
      • 2.Se3#
  • Tries
    • 1.Sxa2?
      • threat
        • 2.Qc3#
      • 1...Kxd3
        • 2.Qc3#
      • 1...Rb3!
    • 1.Rd4+?
      • 1...Kxc5
        • 2.Sd3#
        • 2.Re4#
        • 2.Rf4#
      • 1...Kb3!
    • 1.Qc1+?
      • 1...Kxb4
        • 2.Qf4#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sxc1!
  • Keys
    • 1.Bf5!
      • 1...Rxb4
        • 2.Sd2#
      • 1...Rxc5
        • 2.Se3#
      • 1...Sxb4
        • 2.Sd2#
        • 2.Qc3#
      • 1...exf1Q
        • 2.Qe4#
      • 1...exf1S
        • 2.Qe4#
      • 1...exf1B
        • 2.Qe4#
      • 1...exf1R
        • 2.Qe4#
      • 1...axb4
        • 2.Sd2#
      • 1...bxc5
        • 2.Se3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sc1
        • 2.Qc3#
      • 1...Se6
        • 2.Bxe6#
      • 1...Sf7
        • 2.Be6#
      • 1...g2
        • 2.Qh4#

This is a version of 140671

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(f);SBLOCK,XP(I)::S(B)
    • S(a);N_GUARD::QAR1(A)
    • S(a);N_GUARD::QAR1(A),XS(a)
    • S(a);N_GUARD,XS(G)::QAR1(A)
    • S(j);N_GUARD::B(H),XS(j)
    • S(j);N_GUARD::B(H)
    • P(b);OGATE,XS(B)::QAR2(A)
    • P(g);SBLOCK,XP(I)::S(B)
  • Tries
    • Try
      • S(G);XS(a)
      • Threat
        • QAR1(A)
      • Vars
        • K(d);S_FLIGHT,XR(D)::QAR1(A)
      • Refutation
        • R(f);
    • Try
      • R(D);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);P-FLIGHT,XS(G)::QAR(A)
        • S(a);N_GUARD,P_SPINS(a)::QAR1(A),XS(a)
      • Refutation
        • S(a);XQ(A)
  • Actual
    • B(H);
    • Vars
      • R(f);SBLOCK,XS(G)::S(B)
      • R(f);SBLOCK,XP(I)::S(B)
      • P(b);OGATE,XS(B)::QAR2(A)
      • P(e);SBLOCK,XS(G)::S(B)
      • P(g);SBLOCK,XP(I)::S(B)
      • S(a);N_GUARD::QAR1(A),XS(a)
      • S(a);N_GUARD::QAR1(A)
      • S(j);N_GUARD::B(H),XS(j)
      • S(j);N_GUARD::B(H)
      • P(c);OGATE::QAR(A)
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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).