MESON Chess Problem Database

Problem Display
PID: 18007 (2n2Q2/2p4r/5BP1/2N3R1/rR1npk2/7p/b4P2/bq1B2NK w - - 0 1)

Chandler, Guy Wills

2nd Prize, The Problemist, 1952

2n2Q2/2p4r/5BP1/2N3R1/rR1npk2/7p/b4P2/bq1B2NK

#2

10 + 11

6104 A Tribute to G W Chandler 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Rd7
      • 2.Sxh3#
    • 1...Re7
      • 2.Sxh3#
    • 1...Rf7
      • 2.Sxh3#
    • 1...Rg7
      • 2.Sxh3#
    • 1...Sc2
      • 2.Sd3#
    • 1...Sb3
      • 2.Se6#
    • 1...Sf3
      • 2.Se2#
    • 1...Sf5
      • 2.Rg4#
  • Tries
    • 1.Bxd4+?
      • 1...Rf7
        • 2.Sxh3#
        • 2.Be3#
      • 1...Bf7
        • 2.Se6#
        • 2.Be3#
      • 1...Kxg5!
    • 1.Be7+?
      • 1...Rf7
        • 2.Sxh3#
      • 1...Sf5
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...Bf7!
    • 1.Bg7+?
      • 1...Kxg5
        • 2.Qf6#
      • 1...Sf5
        • 2.Rg4#
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...Bf7!
    • 1.Bd8+?
      • 1...Rf7
        • 2.Sxh3#
      • 1...Sf5
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...Bf7!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Be5#
      • 1...Re7
        • 2.Sxh3#
      • 1...Sc2
        • 2.Sd3#
      • 1...Se2
        • 2.Qd2#
      • 1...Sb3
        • 2.Se6#
      • 1...Sf3
        • 2.Se2#
      • 1...Sb5
        • 2.Qd2#
      • 1...Sf5
        • 2.Rg4#
      • 1...Sc6
        • 2.Qd2#
      • 1...Se6
        • 2.Qd2#
      • 1...Se7
        • 2.Qxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • R(j);N_GUARD::S(B),XP(d)
    • S(f);P_SPINP(g),S_CUTQ(b)::S(F)
    • S(f);N_GUARD,P_SPINP(g),S_CUTB(c)::S(F)
    • S(f);N_GUARD,P_SPINP(g),SBLOCK::S(B)
    • S(f);P_SPINP(g),SBLOCK::R1(G)
  • Tries
    • Try
      • B(H);CHECK,XS(f)
      • Refutation
        • K(h);S_FLIGHT,XR(G)
    • Try
      • B(H);CHECK
      • Vars
        • R(j);P_SPINR(j)::S(B),XP(d)
      • Refutation
        • B(c);P_SPINB(c)
    • Try
      • B(H);CHECK
      • Vars
        • K(h);S_FLIGHT,XR(G)::QAB1(J)
      • Refutation
        • B(c);P_SPINB(c)
    • Try
      • B(H);CHECK
      • Vars
        • R(j);P_SPINR(j)::S(B),XP(d)
      • Refutation
        • B(c);P_SPINB(c)
  • Actual
    • Q(J);
    • Threat
      • B(H)
    • Vars
      • R(j);N_GUARD::S(B),XP(d)
      • S(f);P_SPINP(g),S_CUTQ(b)::S(F)
      • S(f);OGATE,P_SPINP(g)::QAB(J)
      • S(f);N_GUARD,P_SPINP(g),S_CUTB(c)::S(F)
      • S(f);N_GUARD,P_SPINP(g),SBLOCK::S(B)
      • S(f);P_SPINP(g),SBLOCK::R1(G)
      • S(k);N_GUARD,S_CUTR(j)::QAB(J),XP(i)
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).