MESON Chess Problem Database

Problem Display
PID: 132835 (BB6/2Np1p1b/3P2p1/1K2k2r/R2N2PP/8/8/5Q2 w - - 0 1)

Baxter, FL

The Field, 1959

(First published on Thu Jan 22 1959)

BB6/2Np1p1b/3P2p1/1K2k2r/R2N2PP/8/8/5Q2

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd6+
      • 2.Sd5#
  • Tries
    • 1.Sd5?
      • threat
        • 2.Qe2#
        • 2.Qe1#
        • 2.Qf4#
      • 1...Ke4
        • 2.Sf3#
        • 2.Qe2#
      • 1...Rf5
        • 2.Qe2#
        • 2.Qe1#
      • 1...g5!
    • 1.Qe2+?
      • 1...Kf4+
        • 2.Sf5#
      • 1...Kxd6+
        • 2.Sd5#
      • 1...Kf6+!
    • 1.Qe1+?
      • 1...Kf4+
        • 2.Sf5#
      • 1...Kxd6+
        • 2.Sd5#
      • 1...Kf6+!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Sf5#
      • 1...Kf4+
        • 2.Sf5#
      • 1...Kxd6+
        • 2.Sd5#
      • 1...Kf6+
        • 2.Sf5#
      • 1...Rf5
        • 2.Sxf5#
      • 1...f5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);CHECK,S_FLIGHT,XP(G)::B(J)+S(H)
  • Tries
    • Try
      • S(H);
      • Threat
        • DUALS(3)
      • Refutation
        • P(c);
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);CHECK,S_FLIGHT::R(B)+S(C)
        • K(a);CHECK,S_FLIGHT,XP(G)::B(J)+S(H)
      • Refutation
        • K(a);CHECK,S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);CHECK,S_FLIGHT::R(B)+S(C)
        • K(a);CHECK,S_FLIGHT,XP(G)::B(J)+S(H)
      • Refutation
        • K(a);CHECK,S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB(A)+S(C)
    • Vars
      • K(a);CHECK,S_FLIGHT::R(B)+S(C)
      • K(a);CHECK,S_FLIGHT,XP(G)::B(J)+S(H)
      • K(a);CHECK,S_FLIGHT::QAB(A)+S(C)
      • R(b);::QAB(A)+S(C),XR(b)
      • P(e);::QAB(A)+S(C),XP(e)
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).