MESON Chess Problem Database

Problem Display
PID: 244133 (r1N5/3K4/P5p1/1kP1b3/R1R5/8/1q1NP1r1/1Q1n1b1B w - - 0 1)

Bennett, Frederick

Brisbane Courier, 1929

r1N5/3K4/P5p1/1kP1b3/R1R5/8/1q1NP1r1/1Q1n1b1B

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qb3
      • 2.Qxb3#
    • 1...Qb4
      • 2.Qxb4#
    • 1...Rg1
      • 2.Bc6#
    • 1...Rxe2
      • 2.Bc6#
    • 1...Rf2
      • 2.Bc6#
    • 1...Rh2
      • 2.Bc6#
    • 1...Rg3
      • 2.Bc6#
    • 1...Rg4
      • 2.Bc6#
    • 1...Rg5
      • 2.Bc6#
    • 1...Ra7+
      • 2.Sxa7#
    • 1...Rb8
      • 2.Sa7#
    • 1...Bc3
      • 2.Sd6#
    • 1...Bd4
      • 2.Sd6#
    • 1...Bd6
      • 2.Sxd6#
    • 1...Bf6
      • 2.Sd6#
    • 1...Bg7
      • 2.Sd6#
    • 1...Bh8
      • 2.Sd6#
    • 1...Sc3
      • 2.Qxb2#
  • Tries
    • 1.Rcb4+?
      • 1...Qxb4
        • 2.Qxb4#
      • 1...Kxc5!
    • 1.Qxb2+?
      • 1...Bxb2
        • 2.Sd6#
      • 1...Sxb2!
  • Keys
    • 1.Sb3!
      • threat
        • 2.Rcb4#
      • 1...Qd4+
        • 2.Sxd4#
      • 1...Qd2+
        • 2.Sd4#
      • 1...Ra7+
        • 2.Sxa7#
      • 1...Qxb3
        • 2.Qxb3#
      • 1...Qa3
        • 2.Sd4#
      • 1...Qc3
        • 2.Sd4#
      • 1...Rg4
        • 2.Bc6#
      • 1...Bc3
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 14
  • Sets
    • Q(c);OGATE::QAR2(A),XQ(c)
    • Q(c);OGATE::QAR1(A),XQ(c)
    • R(d);OGATE::B(B)
    • R(d);OGATE,XP(D)::B(B)
    • R(h);CHECK,N_GUARD::S(J),XR(h)
    • R(h);N_GUARD::S(J)
    • B(f);N_GUARD::S(J)
    • B(f);N_GUARD::S(J),XB(f)
    • S(a);N_GUARD,S_CUTB(f)::QAR(A),XQ(c)
  • Tries
    • Try
      • R(F);CHECK,N_PINQ(c)
      • Vars
        • Q(c);OGATE,P_SPINQ(c),XR(F)::QAR1(A),XQ(c)
      • Refutation
        • K(e);P-FLIGHT,XP(G)
    • Try
      • Q(A);CHECK,XQ(c)
      • Vars
        • B(f);XQ(A)::S(J)
      • Refutation
        • S(a);XQ(A)
  • Actual
    • S(C);N_PINQ(c)
    • Threat
      • R1(F)
    • Vars
      • Q(c);CHECK::QAR(A)+S(C),DCHECK,XQ(c)
      • Q(c);CHECK::QAR(A)+S(C),DCHECK
      • R(h);CHECK,N_GUARD::S(J),XR(h)
      • Q(c);OGATE,P_SPINQ(c),XS(C)::QAR2(A),XQ(c)
      • Q(c);::QAR(A)+S(C),DCHECK
      • R(d);OGATE::B(B)
      • B(f);N_GUARD::S(J)
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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).