MESON Chess Problem Database

Problem Display
PID: 9635 (8/8/2p1pQ2/r3N3/b2k4/3P4/1P1R1K2/7B w - - 0 1)

Chandler, Guy Wills

Hobbies, 1907

8/8/2p1pQ2/r3N3/b2k4/3P4/1P1R1K2/7B

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Sxc6#
      • 2.Qf4#
    • 1...c5
      • 2.Sc6#
      • 2.Qf4#
  • Tries
    • 1.Sf3+?
      • 1...Kd5
        • 2.Qd4#
        • 2.Qe5#
      • 1...Kc5!
    • 1.Sd7+?
      • 1...Re5
        • 2.Qxe5#
      • 1...e5!
  • Keys
    • 1.Qf8!
      • 1...Kxe5
        • 2.d4#
      • 1...Rxe5
        • 2.Qb4#
      • 1...Rb5
        • 2.Sxc6#
      • 1...Rc5
        • 2.Qf4#
      • 1...Rd5
        • 2.Sf3#
      • 1...Ra6
        • 2.Qd6#
      • 1...Ra7
        • 2.Qd6#
      • 1...Ra8
        • 2.Qd6#
      • 1...Bd1
        • 2.Sxc6#
      • 1...Bc2
        • 2.Sxc6#
      • 1...Bb3
        • 2.Sxc6#
      • 1...Bb5
        • 2.Qd6#
      • 1...c5
        • 2.Qd6#
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAB1(G),XR(c)
      • Refutation
        • P(e);P_SPINP(e)
  • Actual
    • Q(G);
    • Vars
      • K(b);OGATE,S_FLIGHT,XS(F)::P(E)
      • R(c);SBLOCK,XS(F)::QAR2(G)
      • R(c);S_CUTB(a)::S(F),XP(d)
      • R(c);SBLOCK::QAR2(G)
      • R(c);SBLOCK::S(F)
      • R(c);N_GUARD::QAR2(G)
      • B(a);N_GUARD::S(F),XP(d)
      • B(a);S_CUTR(c)::QAR2(G)
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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).