MESON Chess Problem Database

Problem Display
PID: 49753 (3B4/b7/2rR4/pkNP4/4R1p1/6Kb/5Q2/2N5 w - - 0 1)

Milewski, Stefan

The Problemist, 2003

3B4/b7/2rR4/pkNP4/4R1p1/6Kb/5Q2/2N5

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.Qb2#
    • 1...Bxc5
      • 2.Qe2#
  • Tries
    • 1.S1b3?
      • threat
        • 2.Qe2#
      • 1...Bf1
        • 2.Qxf1#
      • 1...Rxc5!
    • 1.Rxc6?
      • threat
        • 2.Qb2#
        • 2.Qe2#
      • 1...Bxc5
        • 2.Qxc5#
        • 2.Qe2#
      • 1...Bf1
        • 2.Qxf1#
        • 2.Qb2#
      • 1...Bb8+!
    • 1.Qd4?
      • threat
        • 2.Qc4#
      • 1...Rxc5
        • 2.Qb2#
        • 2.Qa4#
      • 1...Bf1!
    • 1.Qa2?
      • threat
        • 2.Qc4#
        • 2.Qxa5#
      • 1...Rxc5
        • 2.Qb1#
        • 2.Qb3#
        • 2.Qb2#
        • 2.Qa4#
        • 2.Qxa5#
      • 1...Ra6
        • 2.Qc4#
      • 1...Rb6
        • 2.Qc4#
      • 1...Rc7
        • 2.Qc4#
      • 1...Bf1
        • 2.Qxa5#
      • 1...Bb6
        • 2.Qc4#
      • 1...a4
        • 2.Qc4#
      • 1...Kxc5!
    • 1.Qc2?
      • threat
        • 2.Qc4#
      • 1...Rxc5
        • 2.Qb1#
        • 2.Qb3#
        • 2.Qa4#
        • 2.Qb2#
      • 1...Bf1!
  • Keys
    • 1.Sa2!
      • threat
        • 2.Sc3#
      • 1...Rxc5
        • 2.Qb2#
      • 1...Bxc5
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(e);SBLOCK,XS(E)::QAR(B)
    • B(f);SBLOCK,XS(E)::QAB(B)
  • Tries
    • Try
      • S(A);
      • Threat
        • QAB(B)
      • Vars
        • B(a);N_GUARD::QAB(B),XB(a)
      • Refutation
        • R(e);XS(E)
    • Try
      • R(G);XR(e)
      • Threat
        • DUALS(2)
      • Refutation
        • B(f);CHECK
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Refutation
        • B(a);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);::QAB1(B)
        • B(a);::QAR1(B),XP(c)
        • B(f);::QAB1(B)
        • P(c);::QAB1(B)
      • Refutation
        • K(d);P-FLIGHT,XS(E)
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Refutation
        • B(a);
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • R(e);SBLOCK,XS(E)::QAR(B)
      • B(f);SBLOCK,XS(E)::QAB(B)
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).