MESON Chess Problem Database

Problem Display
PID: 48680 (4B3/bp6/b3P3/p1P3NQ/2kNR3/6pR/5B2/2K5 w - - 0 1)

Pierce, James

Chess Chips, 1878

4B3/bp6/b3P3/p1P3NQ/2kNR3/6pR/5B2/2K5

#2

10 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Se2+?
      • 1...Kd3
        • 2.Rxg3#
        • 2.Rd4#
        • 2.Qf3#
      • 1...Kd5
        • 2.Sc3#
        • 2.Sf4#
      • 1...Kb3!
    • 1.Sb5+?
      • 1...Kd3
        • 2.Rxg3#
        • 2.Rd4#
        • 2.Qd1#
        • 2.Qe2#
        • 2.Qf3#
      • 1...Kd5
        • 2.Sc3#
        • 2.Sc7#
        • 2.Qd1#
      • 1...Kb3!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Se2#
        • 2.Sb5#
      • 1...Kc3
        • 2.Qb3#
      • 1...Kb4
        • 2.Sb5#
      • 1...Kxc5
        • 2.Sb3#
      • 1...Kd5
        • 2.Sb5#
      • 1...Bxc5
        • 2.Qb3#
      • 1...gxf2
        • 2.Sb3#
      • 1...Bb5
        • 2.Se2#
        • 2.Sxb5#
      • 1...b5
        • 2.Se2#
        • 2.Sxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • S(D);CHECK
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
  • Actual
    • Q(H);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);P-FLIGHT,P_SPINP(a)::QAR1(H)
      • K(b);P-FLIGHT::R(E)+S(D)
      • K(b);P-FLIGHT,XP(F)::B(B)+S(D),DCHECK
      • K(b);S_FLIGHT::QAR(H)+S(D)
      • B(e);SBLOCK,XP(F)::QAB1(H)
      • P(a);XB(B)::R(E)+S(D)
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).