MESON Chess Problem Database

Problem Display
PID: 11692 (1Nr3nb/2p1pPnr/1q2k1P1/3R2P1/pp2p3/8/B4P1B/1K2Q2b w - - 0 1)

Chandler, Guy Wills

Comm., Busmen's Chess Review, 1971

1Nr3nb/2p1pPnr/1q2k1P1/3R2P1/pp2p3/8/B4P1B/1K2Q2b

#2

10 + 13

6104 A Tribute to G W Chandler 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6
      • 2.Re5#
    • 1...Sf5
      • 2.Rd6#
    • 1...Se8
      • 2.f8S#
  • Tries
    • 1.f8Q?
      • threat
        • 2.Rd6#
        • 2.Qf7#
        • 2.Qxc8#
      • 1...Qxf2
        • 2.Rd6#
        • 2.Qxc8#
      • 1...Qxb8
        • 2.Rd6#
        • 2.Qf7#
      • 1...Rxh2
        • 2.Qf7#
        • 2.Qxc8#
      • 1...Rxb8
        • 2.Rd6#
        • 2.Qf7#
      • 1...b3
        • 2.Qf7#
      • 1...Qb5
        • 2.Rd6#
        • 2.Qf7#
      • 1...Qa6
        • 2.Rd6#
        • 2.Qf7#
      • 1...Qc6
        • 2.Rd6#
        • 2.Qf7#
      • 1...Qd6
        • 2.Re5#
        • 2.Rxd6#
        • 2.Qf7#
      • 1...Qb7
        • 2.Rd6#
        • 2.Qf7#
      • 1...Rd8
        • 2.Rd6#
        • 2.Qf7#
      • 1...Re8
        • 2.Rd6#
        • 2.Qf7#
      • 1...Sf5
        • 2.Rd6#
        • 2.Qxf5#
        • 2.Qxc8#
      • 1...Sh5
        • 2.Rd6#
        • 2.Qf5#
        • 2.Qxc8#
      • 1...Se8
        • 2.Rd6#
        • 2.Qf5#
      • 1...Sf6
        • 2.Qf7#
      • 1...Sh6
        • 2.Rd6#
        • 2.Qxc8#
      • 1...Rxf8!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qe5#
      • 1...bxc3+
        • 2.Rb5#
      • 1...Qd4
        • 2.Qc6#
      • 1...Qd6
        • 2.Re5#
      • 1...Sf5
        • 2.Rd6#
      • 1...Sh5
        • 2.Qh3#
      • 1...Se8
        • 2.f8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • Q(e);SBLOCK::B(C)+R(F),DCHECK
    • S(i);SBLOCK::B(C)+R(F),DCHECK
    • S(i);S_CUTR(k)::P=S
  • Tries
    • Try
      • P(I);
      • Threat
        • DUALS(3)
      • Vars
        • P(c);::QAB1(I)
        • S(l);::QAB1(I)
      • Refutation
        • R(k);XQ(I)
  • Actual
    • Q(B);N_PINP(d)
    • Threat
      • QAR1(B)
    • Vars
      • P(c);CHECK,N_GUARD,XQ(B)::B(C)+R(F)
      • Q(e);N_GUARD::QAR2(B)
      • Q(e);SBLOCK::B(C)+R(F),DCHECK
      • S(i);SBLOCK::B(C)+R(F),DCHECK
      • S(i);N_GUARD,S_CUTR(j)::QAB(B)
      • S(i);S_CUTR(k)::P=S
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).