MESON Chess Problem Database

Problem Display
PID: 205809 (8/5p1K/3P1P2/1B1Pk3/1P2P1p1/6N1/2p2R2/2B5 w - - 0 1)

Dahlberg, Frank

Schackvarlden, 1925

8/5p1K/3P1P2/1B1Pk3/1P2P1p1/6N1/2p2R2/2B5

#2

10 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd6
      • 2.Bf4#
  • Tries
    • 1.Kh6?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kd4!
    • 1.Kg7?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kd4!
    • 1.Kg8?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kd4!
    • 1.Kh8?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kd4!
    • 1.Bf4+?
      • 1...Kxf6
        • 2.Sh5#
        • 2.e5#
      • 1...Kd4!
    • 1.Ba4?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kd4!
    • 1.Bc6?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kd4!
    • 1.Be8?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kd4!
    • 1.Rf1?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kd4!
    • 1.Rf3?
      • 1...Kd4
        • 2.Bb2#
      • 1...Kxd6
        • 2.Bf4#
      • 1...gxf3!
    • 1.Rf5+?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kd4!
    • 1.d7?
      • 1...Kd6
        • 2.Bf4#
      • 1...Kd4!
  • Keys
    • 1.Re2!
      • 1...Kd4
        • 2.Bb2#
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kxf6
        • 2.e5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT,XP(H)::B(A)
  • Tries
    • Try
      • K(J);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT,XP(H)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • K(J);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT,XP(H)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • K(J);S_FLIGHT
      • Vars
        • K(c);S_FLIGHT,XP(H)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • K(J);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT,XP(H)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(A);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(c);S_FLIGHT,XP(H)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(c);S_FLIGHT,XP(H)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(c);S_FLIGHT,XP(H)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(c);S_FLIGHT,XP(H)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(c);S_FLIGHT::B(A)
        • K(c);S_FLIGHT,XP(H)::B(A)
      • Refutation
        • P(b);XR(B)
    • Try
      • R(B);CHECK
      • Vars
        • K(c);S_FLIGHT,XP(H)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • P(H);
      • Vars
        • K(c);S_FLIGHT::B(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(c);S_FLIGHT::B(A)
      • K(c);S_FLIGHT,XP(H)::B(A)
      • K(c);OGATE,S_FLIGHT,XP(I)::P(E)
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).