MESON Chess Problem Database

Problem Display
PID: 273567 (1Q1N4/n7/3RB3/q1k3B1/1p2p2K/8/3Pn3/b1Nb4 w - - 0 1)

Scherzmann, W

Die Tat, 1944

(First published on Sat Jan 15 1944)

1Q1N4/n7/3RB3/q1k3B1/1p2p2K/8/3Pn3/b1Nb4

#2

8 + 8

15601 Albrecht-Leiss-Degener Collection 2023
3713 Snap 2923

SOLUTION

  • SOUND
  • Sets
    • 1...Qb6
      • 2.Qxb6#
    • 1...Qa2
      • 2.Qb6#
    • 1...Qa3
      • 2.Qb6#
    • 1...Qa4
      • 2.Qb6#
    • 1...Bb3
      • 2.Sxb3#
    • 1...Sc3
      • 2.Be3#
    • 1...Sb5
      • 2.Sb7#
    • 1...e3
      • 2.Sd3#
  • Tries
    • 1.Rc6+?
      • 1...Kd4
        • 2.Be3#
        • 2.Rc4#
      • 1...Sxc6!
  • Keys
    • 1.Rd4!
      • threat
        • 2.Rc4#
      • 1...Kxd4
        • 2.Be3#
      • 1...Bxd4
        • 2.Be7#
      • 1...Sxd4
        • 2.Be7#
      • 1...Qb6
        • 2.Qe5#
      • 1...Qc7
        • 2.Qxb4#
      • 1...Qa2
        • 2.Qxb4#
      • 1...Qb5
        • 2.Qd6#
      • 1...Qa6
        • 2.Qxb4#
      • 1...Bb3
        • 2.Sxb3#

Anticipated by 154152(1901)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 6
    • REMOVED MATES = 5
  • Sets
    • Q(f);N_GUARD::QAB1(G),XQ(f)
    • Q(f);N_GUARD::QAB1(G)
    • B(b);N_GUARD::S(A),XB(b)
    • S(c);N_GUARD,S_CUTB(a)::B(D)
    • S(h);SBLOCK::S(H)
    • P(e);N_GUARD::S(A)
  • Tries
    • Try
      • R(E);CHECK
      • Refutation
        • S(h);XR(E)
  • Actual
    • R(E);
    • Threat
      • R1(E)
    • Vars
      • K(g);OGATEB,S_FLIGHT,XR(E)::B(D)
      • B(a);SBLOCK,XR(E)::B(D)
      • S(c);SBLOCK,XR(E)::B(D)
      • Q(f);SBLOCK::QAR2(G)
      • Q(f);N_GUARD::QAB1(G),XP(d)
      • Q(f);SBLOCK::QAB1(G)
      • B(b);N_GUARD::S(A),XB(b)
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).