MESON Chess Problem Database

Problem Display
PID: 150458 (qb3Q2/3p4/pP1P1B1p/K1Nk3r/4R2p/5b2/2R2P2/1B6 w - - 0 1)

Maurice, F

Sp. Prize, Bolton Football and Field, 1903

qb3Q2/3p4/pP1P1B1p/K1Nk3r/4R2p/5b2/2R2P2/1B6

#2

10 + 9

14868 Pirnie Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qc6
      • 2.Ba2#
      • 2.Rd4#
    • 1...Bxd6
      • 2.Qxa8#
  • Tries
    • 1.Qf7+?
      • 1...Kxd6
        • 2.Qxd7#
      • 1...Kc6!
  • Keys
    • 1.Se6!
      • threat
        • 2.Rc5#
      • 1...Kxe4+
        • 2.Rc5#
      • 1...Bxe4
        • 2.Sf4#
        • 2.Ba2#
      • 1...Bxd6
        • 2.Qxa8#
      • 1...dxe6
        • 2.Rd4#
      • 1...Re5
        • 2.Rxe5#
      • 1...Qc6
        • 2.Rd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(i);OGATE,SBLOCK,XP(H)::QAB(J),XQ(h)
  • Tries
    • Try
      • Q(J);CHECK
      • Vars
        • K(c);OGATEB,P-FLIGHT,P_PINS(F),XP(H)::QAR1(J),XP(g)
      • Refutation
        • K(c);P_PINS(F),S_FLIGHT
  • Actual
    • S(F);
    • Threat
      • R1(B)
    • Vars
      • K(c);CHECK,S_FLIGHT,XR(D)::B(A)+R(B)
      • B(i);OGATE,SBLOCK,XP(H)::QAB(J),XQ(h)
      • P(g);SBLOCK,XS(F)::R1(D)
      • R(d);N_GUARD::R1(D),XR(d)
      • Q(h);SBLOCK::R(B)
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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).