MESON Chess Problem Database

Problem Display
PID: 174163 (8/5p2/1P1Q2b1/1BK1p2p/2n4P/3NkPR1/1P4R1/2b5 w - - 0 1)

Buchner, Richard

Chemnitzer Volkstimme, 1925

8/5p2/1P1Q2b1/1BK1p2p/2n4P/3NkPR1/1P4R1/2b5

#2

10 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd3
      • 2.Qh6#
    • 1...e4
      • 2.Qd4#
      • 2.f4#
  • Tries
    • 1.Bc6?
      • threat
        • 2.f4#
      • 1...Bxd3
        • 2.Qh6#
      • 1...Be4
        • 2.fxe4#
      • 1...Sd2!
    • 1.Qxe5+?
      • 1...Kxd3
        • 2.Bxc4#
        • 2.Qc3#
        • 2.Qd4#
        • 2.Qe2#
      • 1...Be4
        • 2.Qd4#
        • 2.Qxe4#
        • 2.fxe4#
        • 2.f4#
      • 1...Sxe5!
  • Keys
    • 1.Kd5!
      • threat
        • 2.f4#
      • 1...Be4+
        • 2.fxe4#
      • 1...Sxb6+
        • 2.Qxb6#
      • 1...Kxd3
        • 2.Qa3#
      • 1...Bxd3
        • 2.Qh6#
      • 1...Sd2
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(f);OGATE,SBLOCK,XS(C)::QAB(J)
  • Tries
    • Try
      • B(G);
      • Threat
        • R(E)+P(D)
      • Vars
        • B(f);OGATE,SBLOCK,XS(C)::QAB(J)
        • B(f);OGATE::R(E)+P(D),XB(f)
      • Refutation
        • S(c);
    • Try
      • Q(J);CHECK,XP(d)
      • Refutation
        • S(c);XQ(J)
  • Actual
    • K(H);P-FLIGHT
    • Threat
      • R(E)+P(D)
    • Vars
      • B(f);CHECK,OGATE::R(E)+P(D),XB(f)
      • S(c);CHECK,OGATE,XP(I)::QAB(J),XS(c)
      • K(b);OGATEB,P-FLIGHT,P_SPINS(c),XS(C)::QAR(J)
      • B(f);OGATE,SBLOCK,XS(C)::QAB(J)
      • S(c);::QAB(J)
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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).