MESON Chess Problem Database

Problem Display
PID: 9391 (2BR4/1p4N1/2p4P/N3k1r1/2P3p1/3P2r1/K2n3Q/5R1n w - - 0 1)

Blake, Percy Francis

Hampstead and Highgate Express, 1902

2BR4/1p4N1/2p4P/N3k1r1/2P3p1/3P2r1/K2n3Q/5R1n

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Rxf5#
    • 1...Rh5
      • 2.Qxh5#
    • 1...Rg6
      • 2.Rf5#
    • 1...Rxg7
      • 2.Rf5#
    • 1...Sxc4
      • 2.Sxc4#
    • 1...Se4
      • 2.d4#
    • 1...c5
      • 2.Rd5#
    • 1...b5
      • 2.Sxc6#
    • 1...b6
      • 2.Sxc6#
  • Tries
    • 1.Qe2+?
      • 1...Se4
        • 2.Qxe4#
        • 2.d4#
      • 1...Re3!
  • Keys
    • 1.Sh5!
      • 1...Rxh5
        • 2.Qxh5#
      • 1...Sxf1
        • 2.Qb2#
      • 1...Sxc4
        • 2.Sxc4#
      • 1...Rf5
        • 2.Rxf5#
      • 1...Rg6
        • 2.Rf5#
      • 1...Rg7
        • 2.Rf5#
      • 1...Rg8
        • 2.Rf5#
      • 1...Sf2
        • 2.Qxg3#
      • 1...Sb1
        • 2.Re1#
      • 1...Sb3
        • 2.Re1#
      • 1...Sf3
        • 2.Qe2#
      • 1...Se4
        • 2.d4#
      • 1...c5
        • 2.Rd5#
      • 1...b5
        • 2.Sxc6#
      • 1...b6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD::R1(A),XR(f)
    • R(f);OGATEB::QAR(C),XR(f)
    • R(f);N_GUARD::R1(A)
    • R(f);N_GUARD,XS(H)::R1(A)
    • S(b);XP(E)::S(F),XS(b)
    • S(b);SBLOCK::P(D)
    • P(g);N_GUARD::R1(J)
    • P(h);N_GUARD::S(F),XP(g)
  • Tries
    • Try
      • Q(C);CHECK,N_PINR(c)
      • Refutation
        • R(c);P_SPINR(c)
  • Actual
    • S(H);
    • Vars
      • R(f);OGATE,XS(H)::QAR(C),XR(f)
      • S(b);OGATE,XR(A)::QAB(C)
      • S(b);XP(E)::S(F),XS(b)
      • R(f);N_GUARD::R1(A),XR(f)
      • R(f);N_GUARD::R1(A)
      • S(a);N_GUARD::QAB(C),XR(c)
      • S(b);N_GUARD::R(A)
      • S(b);N_GUARD::QAR(C)
      • S(b);SBLOCK::P(D)
      • P(g);N_GUARD::R1(J)
      • P(h);N_GUARD::S(F),XP(g)
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).