MESON Chess Problem Database

Problem Display
PID: 201690 (Q4B2/1P6/2P3K1/P1Nk4/P7/6p1/6R1/2N4B w - - 0 1)

Maus, Frank

San Francisco Chronicle, 1922

Q4B2/1P6/2P3K1/P1Nk4/P7/6p1/6R1/2N4B

#2

11 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.b8Q#
      • 2.b8B#
  • Tries
    • 1.Rd2+?
      • 1...Ke5
        • 2.Bd6#
        • 2.Qb8#
        • 2.b8Q#
        • 2.b8B#
      • 1...Kc4!
    • 1.Qd8+?
      • 1...Ke5
        • 2.S1d3#
        • 2.Qd6#
        • 2.b8Q#
        • 2.b8B#
      • 1...Kxc6
        • 2.Rxg3#
        • 2.Qd6#
        • 2.Qd7#
        • 2.b8S#
      • 1...Kc4!
  • Keys
    • 1.Se6!
      • 1...Kc4
        • 2.Rc2#
      • 1...Ke4
        • 2.Re2#
      • 1...Ke5
        • 2.Re2#
      • 1...Kxc6
        • 2.b8S#
      • 1...Kxe6
        • 2.Re2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT,XP(G)::P=Q
  • Tries
    • Try
      • R(C);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(J);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(b);S_FLIGHT::R(C)
      • K(b);S_FLIGHT::B(B)+R(C),DCHECK
      • K(b);P-FLIGHT::R(C)
      • K(b);S_FLIGHT,XP(G)::P=S
      • K(b);S_FLIGHT,XS(F)::R(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).