MESON Chess Problem Database

Problem Display
PID: 147664 (b1r1R3/5Q2/8/1N2PN2/3qk3/4P3/2PnB1K1/4R2n w - - 0 1)

Kirchmann, Heinz

1st Prize, Dresdner Volkszeitung, 1929

b1r1R3/5Q2/8/1N2PN2/3qk3/4P3/2PnB1K1/4R2n

#2

10 + 6

35 L'Italia Scacchistica 1930
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qa1
      • 2.Sbd6#
      • 2.Bd3#
    • 1...Qb2
      • 2.Sbd6#
      • 2.Bd3#
    • 1...Qc3
      • 2.Sbd6#
    • 1...Qxe3
      • 2.Sfd6#
    • 1...Qc5
      • 2.Bd3#
    • 1...Qxe5
      • 2.Sbd6#
      • 2.Bd3#
    • 1...Qb6
      • 2.Bd3#
    • 1...Qa7
      • 2.Sbd6#
      • 2.Bd3#
    • 1...Qd3
      • 2.Bxd3#
      • 2.cxd3#
    • 1...Qa4
      • 2.Sbd6#
      • 2.Bd3#
    • 1...Qb4
      • 2.Bd3#
    • 1...Qc4
      • 2.Sbd6#
    • 1...Qd6
      • 2.Sbxd6#
    • 1...Bd5
      • 2.Sbd6#
    • 1...Sb1
      • 2.Bf3#
    • 1...Sf1
      • 2.Bf3#
    • 1...Sb3
      • 2.Bf3#
    • 1...Sf3
      • 2.Bxf3#
    • 1...Sc4
      • 2.Bf3#
  • Tries
    • 1.Sg3+?
      • 1...Kxe3+
        • 2.Bf3#
      • 1...Sxg3!
    • 1.Sfd6+?
      • 1...Kxe3+
        • 2.Bf3#
      • 1...Qxd6!
  • Keys
    • 1.Se7!
      • threat
        • 2.Qf4#
      • 1...Kxe3+
        • 2.Bf3#
      • 1...Kxe5+
        • 2.Sc6#
      • 1...Qxe3
        • 2.Qf5#
      • 1...Qxe5
        • 2.Bd3#

This anticipates 18223(1954)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 12
  • Sets
    • Q(c);N_GUARD::S(F)
    • Q(c);N_GUARD,SBLOCK,XP(E)::S(H)
    • Q(c);N_GUARD::B(C)
    • Q(c);N_GUARD::S(F),XQ(c)
    • B(e);S_CUTQ(c)::S(F)
    • S(b);N_GUARD::B(C)
    • S(b);N_GUARD::B(C),XS(b)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(d);CHECK,P-FLIGHT,XP(E)::R(A)+B(C)
      • Refutation
        • S(a);XS(H)
    • Try
      • S(H);CHECK
      • Vars
        • K(d);CHECK,P-FLIGHT,XP(E)::R(A)+B(C)
      • Refutation
        • Q(c);XS(H)
  • Actual
    • S(H);
    • Threat
      • QAR1(I)
    • Vars
      • K(d);CHECK,P-FLIGHT,XP(E)::R(A)+B(C)
      • K(d);CHECK,P-FLIGHT,XP(G)::R(J)+S(H),DCHECK
      • Q(c);SBLOCK,XP(E)::QAB1(I)
      • Q(c);N_GUARD,SBLOCK,XP(G)::B(C)
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).