MESON Chess Problem Database

Problem Display
PID: 195175 (qbn2R1B/4p3/7p/3PP3/nQpk1K2/1b2N3/1P1P1N2/8 w - - 0 1)

Beach, Lennox F

Densmore MT (Pittsburgh Gazette-Times), 1918

qbn2R1B/4p3/7p/3PP3/nQpk1K2/1b2N3/1P1P1N2/8

#2

10 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5
      • 2.Sf5#
    • 1...Bd1
      • 2.Qxc4#
    • 1...Bc2
      • 2.Qxc4#
    • 1...Bxe5+
      • 2.Bxe5#
    • 1...Ba7
      • 2.e6#
    • 1...Sc3
      • 2.bxc3#
      • 2.dxc3#
    • 1...Sc5
      • 2.Qc3#
    • 1...Sd6
      • 2.e6#
  • Keys
    • 1.Kg3!
      • threat
        • 2.Rf4#
      • 1...Qxd5
        • 2.Sf5#
      • 1...Bc2
        • 2.Qxc4#
      • 1...Sc3
        • 2.bxc3#
      • 1...Sc5
        • 2.Qc3#
      • 1...Sd6
        • 2.e6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(g);SBLOCK,XP(G)::S(D)
    • B(a);N_GUARD::QAR1(E),XP(c)
    • B(h);CHECK,OGATE,P_SPINB(h),XP(H)::B(J),XB(h)
    • B(h);N_PINP(H)::B(J)+P(H)
    • S(b);N_GUARD,SBLOCK::QAB1(E)
    • S(i);N_PINP(H)::B(J)+P(H)
  • Actual
    • K(F);S_FLIGHT
    • Threat
      • R(I)
    • Vars
      • Q(g);SBLOCK,XP(G)::S(D)
      • B(a);N_GUARD::QAR1(E),XP(c)
      • S(b);OGATE::P(A),XS(b)
      • S(b);N_GUARD,SBLOCK::QAB1(E)
      • S(i);N_PINP(H)::B(J)+P(H)
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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).