MESON Chess Problem Database

Problem Display
PID: 4896 (2nN1K2/n1B2p2/5N1Q/2k2r1p/1R1p3P/P2P2p1/2p2bR1/8 w - - 0 1)

Blake, Percy Francis

1st Prize, Liverpool Weekly Mercury, 1893-1894

2nN1K2/n1B2p2/5N1Q/2k2r1p/1R1p3P/P2P2p1/2p2bR1/8

#2

10 + 10

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Se4#
    • 1...Rg5
      • 2.Qxg5#
    • 1...Bg1
      • 2.Rxc2#
    • 1...Be3
      • 2.Rxc2#
    • 1...Sb5
      • 2.Rc4#
    • 1...Sc6
      • 2.Sb7#
    • 1...Sd6
      • 2.Bb6#
    • 1...c1Q
      • 2.Qxc1#
    • 1...c1S
      • 2.Qxc1#
    • 1...c1B
      • 2.Qxc1#
    • 1...c1R
      • 2.Qxc1#
  • Tries
    • 1.Qf4?
      • threat
        • 2.Qxf5#
      • 1...Rxf6
        • 2.Qe5#
      • 1...Rd5
        • 2.Se4#
      • 1...Re5
        • 2.Qxe5#
      • 1...Rg5
        • 2.Qxg5#
      • 1...Sc6
        • 2.Sb7#
      • 1...Sb6
        • 2.Bxb6#
        • 2.Bd6#
        • 2.Qd6#
      • 1...Sd6
        • 2.Bb6#
        • 2.Bxd6#
        • 2.Qxd6#
      • 1...Se7
        • 2.Bb6#
        • 2.Bd6#
        • 2.Qd6#
      • 1...Rxf4!
  • Keys
    • 1.Qe3!
      • 1...Rxf6
        • 2.Qe5#
      • 1...Bxe3
        • 2.Rxc2#
      • 1...dxe3
        • 2.d4#
      • 1...c1Q
        • 2.Qxc1#
      • 1...c1S
        • 2.Qxc1#
      • 1...c1B
        • 2.Qxc1#
      • 1...c1R
        • 2.Qxc1#
      • 1...Rf3
        • 2.Qe5#
      • 1...Rf4
        • 2.Qe5#
      • 1...Rd5
        • 2.Se4#
      • 1...Re5
        • 2.Qxe5#
      • 1...Rg5
        • 2.Qxg5#
      • 1...Be1
        • 2.Qxd4#
      • 1...Bg1
        • 2.Rxc2#
      • 1...Sb5
        • 2.Rc4#
      • 1...Sc6
        • 2.Sb7#
      • 1...Sb6
        • 2.Qe7#
      • 1...Sd6
        • 2.Bb6#
      • 1...Se7
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(f);SBLOCK::S(F)
    • R(f);OGATEB::QAR(G),XR(f)
    • B(b);OGATE::R(A),XP(a)
    • S(h);SBLOCK::R1(D)
    • S(h);SBLOCK::S(I)
    • S(j);N_GUARD,SBLOCK::B(H)
    • P(a);OGATEB::QAR(G),XQ(a)
    • P(a);OGATEB::QAR(G),XS(a)
    • P(a);OGATEB::QAR(G),XB(a)
    • P(a);OGATEB::QAR(G),XR(a)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAR(G),XR(f)
      • Vars
        • R(f);N_GUARD,XS(F)::QAR2(G)
        • R(f);SBLOCK::S(F)
        • R(f);N_GUARD::QAR2(G),XR(f)
        • R(f);OGATEB::QAR(G),XR(f)
        • S(h);SBLOCK::S(I)
      • Refutation
        • R(f);XQ(G)
  • Actual
    • Q(G);P_PINP(d)
    • Vars
      • R(f);N_GUARD,XS(F)::QAR2(G)
      • B(b);N_SPINP(d),OGATE,XQ(G)::R(A),XP(a)
      • P(d);N_SPINP(d),OGATE,XQ(G)::P(C)
      • P(a);OGATEB::QAR(G),XQ(a)
      • P(a);OGATEB::QAR(G),XS(a)
      • P(a);OGATEB::QAR(G),XB(a)
      • P(a);OGATEB::QAR(G),XR(a)
      • R(f);N_GUARD::QAR2(G)
      • R(f);SBLOCK::S(F)
      • R(f);N_GUARD::QAR2(G),XR(f)
      • R(f);OGATEB::QAR(G),XR(f)
      • B(b);N_GUARD::QAB1(G),XP(d)
      • B(b);OGATE::R(A),XP(a)
      • S(h);SBLOCK::R1(D)
      • S(h);SBLOCK::S(I)
      • S(j);N_GUARD::QAB(G)
      • S(j);N_GUARD,SBLOCK::B(H)
      • S(j);N_GUARD::QAB(G),XS(j)
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).