MESON Chess Problem Database

Problem Display
PID: 189887 (4nK2/1p1p1B1p/q2n4/1pbR4/pB5r/NkP1r3/1N6/Q6b w - - 0 1)

Shinkman, William Anthony

Pittsburgh Gazette-Times, 1912

4nK2/1p1p1B1p/q2n4/1pbR4/pB5r/NkP1r3/1N6/Q6b

#2

8 + 13

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Se4+
      • 2.Rd6#
  • Tries
    • 1.Qd1+?
      • 1...Kxb2
        • 2.Rd2#
        • 2.Qb1#
      • 1...Ka2!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sc1#
        • 2.Sxc5#
        • 2.Qb2#
        • 2.Qb1#
      • 1...Sc4+
        • 2.Sxc5#
      • 1...Se4+
        • 2.Rd6#
      • 1...Sf5+
        • 2.Sxc5#
      • 1...Sxf7+
        • 2.Sxc5#
      • 1...Sc8+
        • 2.Sxc5#
      • 1...Rxd3
        • 2.Qb1#
      • 1...Rxb4
        • 2.Sc1#
        • 2.Sxc5#
        • 2.Qb2#
      • 1...Bxb4
        • 2.Sc1#
        • 2.Qb2#
      • 1...Qb6
        • 2.Sc1#
        • 2.Qb2#
        • 2.Qb1#
      • 1...Qc6
        • 2.Sc1#
        • 2.Qb2#
        • 2.Qb1#
      • 1...Qa7
        • 2.Sc1#
        • 2.Qb2#
        • 2.Qb1#
      • 1...Re1
        • 2.Sxc5#
        • 2.Qb2#
      • 1...Re2
        • 2.Sc1#
        • 2.Sxc5#
      • 1...Rh2
        • 2.Sc1#
        • 2.Sxc5#
      • 1...Rc4
        • 2.Sc1#
        • 2.Qb2#
        • 2.Qb1#
      • 1...Bd4
        • 2.Sc1#
        • 2.Qb2#
        • 2.Qb1#
      • 1...Bb6
        • 2.Sc1#
        • 2.Qb2#
        • 2.Qb1#
      • 1...Ba7
        • 2.Sc1#
        • 2.Qb2#
        • 2.Qb1#
      • 1...b6
        • 2.Sc1#
        • 2.Qb2#
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(i);CHECK,S_CUTB(a),S_CUTR(c),S_CUTR(e)::B(G)+R(F)
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(B);
    • Threat
      • DUALS(4)
    • Vars
      • S(i);CHECK::S(B),XB(g)
      • S(i);CHECK,S_CUTB(a),S_CUTR(c),S_CUTR(e)::B(G)+R(F)
      • S(i);CHECK,XB(G)::S(B),XB(g)
      • R(c);XS(B)::QAR2(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).