MESON Chess Problem Database

Problem Display
PID: 143581 (4R3/2K2BB1/4NP2/6p1/3pk1p1/Qp4P1/4b2P/4R3 w - - 0 1)

Andrew, Frederick William

British Chess Magazine, 1895

4R3/2K2BB1/4NP2/6p1/3pk1p1/Qp4P1/4b2P/4R3

#2

10 + 6

119 Tidskrift for Schack 1909
15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Sf4#
      • 2.Sc5#
      • 2.Sxg5#
      • 2.Sd8#
      • 2.Sf8#
    • 1...Kf5
      • 2.Sxd4#
  • Tries
    • 1.Sf4+?
      • 1...Kf5
        • 2.Bg6#
        • 2.Qc5#
      • 1...Kf3!
    • 1.Sxg5+?
      • 1...Kf5
        • 2.Qc5#
      • 1...Kd3!
    • 1.Rxe2+?
      • 1...Kf3
        • 2.Sxd4#
        • 2.Sxg5#
      • 1...Kd5
        • 2.Sf4#
        • 2.Sc5#
        • 2.Sxg5#
        • 2.Sd8#
        • 2.Sf8#
        • 2.Qc5#
        • 2.Qxb3#
      • 1...Kf5
        • 2.Sxd4#
        • 2.Qc5#
        • 2.Qa5#
      • 1...Kd3!
  • Keys
    • 1.Qb2!
      • 1...Kd3
        • 2.Sc5#
      • 1...Ke3
        • 2.Qxe2#
      • 1...Kf3
        • 2.Qxe2#
      • 1...Kd5
        • 2.Qxd4#
      • 1...Ke5
        • 2.Sxd4#
      • 1...Kf5
        • 2.Sxd4#
      • 1...d3
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(d);N_SPINB(a),S_FLIGHT::S(E),XP(c)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(d);N_SPINB(a),P_SPINP(b),S_FLIGHT
    • Try
      • S(E);CHECK,XP(f)
      • Vars
        • K(d);N_SPINB(a),S_FLIGHT::QAR(C)
      • Refutation
        • K(d);N_SPINB(a),P_SPINP(b),S_FLIGHT
    • Try
      • R(A);CHECK,XB(a)
      • Refutation
        • K(d);P_SPINP(b),S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(d);N_SPINB(a),S_FLIGHT::S(E)
      • K(d);P-FLIGHT::QAR1(C),XB(a)
      • K(d);N_SPINB(a),S_FLIGHT::QAB1(C),XB(a)
      • K(d);N_SPINB(a),S_FLIGHT::QAR1(C),XP(c)
      • K(d);P-FLIGHT,P_SPINP(c)::R(J)+S(E),XP(c)
      • K(d);N_SPINB(a),S_FLIGHT::S(E),XP(c)
      • P(c);SBLOCK::R(J)+S(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).