Meson Chess Problem Database

Home
Latest Additions
- #2
- #3
- #4
- #5
- Stats
Books
- All composers (SLOW)
- By initial letter
Magazines
- PID
- General
- Matrix
- All sources/quoters (SLOW)
- By initial letter
- Awards
- Composers
- Decades
- Quoters
- Sizes
- Soundness
- Sources
- Stipulations
- Years
Contact
Back to BDS Website

Problem Display

PID: 64605 (8/7K/5bB1/3n1P2/3Bk1N1/8/2P1N1P1/7n w - - 0 1)

Stubbs, Arthur Goodwin

Good Companions (April), 1920

8/7K/5bB1/3n1P2/3Bk1N1/8/2P1N1P1/7n

#2

8 + 4

3132	The Good Companion Two-Mover	1922

SOLUTION

SOUND
Sets
- 1...Bxd4
  - 2.f6#
- 1...Bh4
  - 2.f6#
- 1...Be5
  - 2.f6#
- 1...Bg5
  - 2.f6#
- 1...Be7
  - 2.f6#
- 1...Bg7
  - 2.f6#
- 1...Bd8
  - 2.f6#
- 1...Bh8
  - 2.f6#
- 1...Sf2
  - 2.Sxf2#
- 1...Sg3
  - 2.Sf2#
- 1...Sc3
  - 2.Sxf6#
- 1...Se3
  - 2.Sxf6#
- 1...Sb4
  - 2.Sxf6#
- 1...Sf4
  - 2.Sxf6#
- 1...Sb6
  - 2.Sxf6#
- 1...Sc7
  - 2.Sxf6#
- 1...Se7
  - 2.Sxf6#
Tries
- 1.Kg8?
  - 1...Bxd4
    - 2.f6#
  - 1...Sc3
    - 2.Sxf6#
  - 1...Se3
    - 2.Sxf6#
  - 1...Sb4
    - 2.Sxf6#
  - 1...Sf4
    - 2.Sxf6#
  - 1...Sb6
    - 2.Sxf6#
  - 1...Sc7
    - 2.Sxf6#
  - 1...Bh4
    - 2.f6#
  - 1...Be5
    - 2.f6#
  - 1...Bg5
    - 2.f6#
  - 1...Be7
    - 2.f6#
  - 1...Bg7
    - 2.f6#
  - 1...Bd8
    - 2.f6#
  - 1...Bh8
    - 2.f6#
  - 1...Sf2
    - 2.Sxf2#
  - 1...Sg3
    - 2.Sf2#
  - 1...Se7+!
Keys
- 1.Be5!
  - 1...Bxe5
    - 2.f6#
  - 1...Sc3
    - 2.Sxc3#
  - 1...Se3
    - 2.Sc3#
  - 1...Sb4
    - 2.Sc3#
  - 1...Sf4
    - 2.Sc3#
  - 1...Sb6
    - 2.Sc3#
  - 1...Sc7
    - 2.Sc3#
  - 1...Se7
    - 2.Sc3#
  - 1...Bh4
    - 2.f6#
  - 1...Bg5
    - 2.f6#
  - 1...Be7
    - 2.f6#
  - 1...Bg7
    - 2.f6#
  - 1...Bd8
    - 2.f6#
  - 1...Bh8
    - 2.f6#
  - 1...Sf2
    - 2.Sg3#
  - 1...Sg3
    - 2.Sxg3#

FEATURES

Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 0
- REMOVED MATES = 1
Sets
- B(d);OGATE,XB(D)::B(G)+P(F)
- B(d);OGATE::B(G)+P(F)
- S(a);N_GUARD::S(E),XS(a)
- S(a);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XB(d)
Tries
- Try
  - K(H);S_FLIGHT
  - Vars
    - B(d);OGATE,XB(D)::B(G)+P(F)
    - S(c);N_GUARD::S(E),XB(d)
    - B(d);OGATE::B(G)+P(F)
    - S(a);N_GUARD::S(E),XS(a)
    - S(a);N_GUARD::S(E)
  - Refutation
    - S(c);CHECK
Actual
- B(D);
- Vars
  - B(d);OGATE,XB(D)::B(G)+P(F)
  - S(c);N_GUARD::S(B),XS(c)
  - S(c);N_GUARD::S(B)
  - B(d);OGATE::B(G)+P(F)
  - S(a);N_GUARD::S(B)
  - S(a);N_GUARD::S(B),XS(a)

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).