MESON Chess Problem Database

Problem Display
PID: 17415 (6b1/q3Q3/2B1r2b/2B1k1N1/6Pp/3p1Kp1/4n3/4RR2 w - - 0 1)

Maillard, Richard

1st Prize, Match: Paris - Prague, 1946

6b1/q3Q3/2B1r2b/2B1k1N1/6Pp/3p1Kp1/4n3/4RR2

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg5
      • 2.Qxg5#
    • 1...Bf7
      • 2.Sxf7#
    • 1...Bh7
      • 2.Sf7#
      • 2.Qxe6#
    • 1...d2
      • 2.Rxe2#
  • Tries
    • 1.Kg2?
      • threat
        • 2.Rf5#
      • 1...Qxc5
        • 2.Qxc5#
      • 1...Bh7
        • 2.Sf7#
        • 2.Qxe6#
      • 1...h3+!
  • Keys
    • 1.Ke3!
      • threat
        • 2.Rf5#
      • 1...Qxc5+
        • 2.Qxc5#
      • 1...Bxg5+
        • 2.Qxg5#
      • 1...Bh7
        • 2.Qxe6#
      • 1...Sd4
        • 2.Bd6#
      • 1...Sf4
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(g);OGATE,XS(F)::QAR2(H),XB(g)
    • B(i);N_GUARD::S(F),XB(i)
    • P(b);N_GUARD::R(A),XS(a)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • R1(B)
      • Vars
        • Q(h);OGATE,XB(E)::QAR2(H),XQ(h)
      • Refutation
        • P(d);CHECK
  • Actual
    • K(C);N_PINS(a),P-FLIGHT,P_SPINB(E),P_SPINS(F)
    • Threat
      • R1(B)
    • Vars
      • Q(h);CHECK,OGATE,XB(E)::QAR2(H),XQ(h)
      • B(g);CHECK,OGATE,XS(F)::QAR2(H),XB(g)
      • B(i);N_GUARD::QAR1(H),XR(f)
      • S(a);N_PINB(E)::B(E)
      • S(a);N_PINS(F)::S(F)
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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).