MESON Chess Problem Database

Problem Display
PID: 174460 (5R2/2Q1p2N/4bb2/3pr3/5kPR/6p1/1K2PP2/1BN4n w - - 0 1)

Gunning, H

3rd HM., Busmen's Chess Review, 1971-1972

5R2/2Q1p2N/4bb2/3pr3/5kPR/6p1/1K2PP2/1BN4n

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bf7
      • 2.g5#
    • 1...Bg8
      • 2.g5#
  • Tries
    • 1.Rxf6+?
      • 1...Bf5
        • 2.Rxf5#
        • 2.gxf5#
        • 2.g5#
      • 1...exf6!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qf3#
      • 1...Rxe2+
        • 2.Sxe2#
      • 1...Re3
        • 2.fxe3#
      • 1...Re4
        • 2.Sd3#
      • 1...Rf5
        • 2.g5#
      • 1...Rg5
        • 2.Qd4#
      • 1...Rh5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • B(f);N_GUARD,N_SPINB(g)::R(G)+P(F)
    • B(f);N_GUARD::R(G)+P(F)
  • Tries
    • Try
      • R(J);CHECK,XB(g)
      • Refutation
        • P(h);XR(J)
  • Actual
    • Q(H);N_PINR(e)
    • Threat
      • QAR1(H)
    • Vars
      • R(e);CHECK,P_PINQ(H),XP(D)::S(B),XR(e)
      • R(e);OGATE,P_PINQ(H)::P(E),XR(e)
      • R(e);P_PINQ(H),SBLOCK::S(B)
      • R(e);N_SPINB(g),P_PINQ(H),S_CUTB(f)::R(G)+P(F)
      • R(e);N_GUARD,P_PINQ(H)::QAR2(H)
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).