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: 7639 (8/8/8/8/p2N4/KR6/8/kB1b4 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1992

8/8/8/8/p2N4/KR6/8/kB1b4

#2

4 + 3

SOLUTION

SOUND
Sets
- 1...Bc2
  - 2.Sxc2#
- 1...Be2
  - 2.Sc2#
- 1...Bf3
  - 2.Sc2#
- 1...Bg4
  - 2.Sc2#
- 1...Bh5
  - 2.Sc2#
Tries
- 1.Kxa4?
  - 1...Bc2
    - 2.Sxc2#
  - 1...Be2
    - 2.Sc2#
  - 1...Bf3
    - 2.Sc2#
  - 1...Bg4
    - 2.Sc2#
  - 1...Bh5
    - 2.Sc2#
  - 1...Bxb3+!
- 1.Rb2?
  - 1...Bc2
    - 2.Sxc2#
  - 1...Be2
    - 2.Sc2#
  - 1...Bf3
    - 2.Sc2#
  - 1...Bg4
    - 2.Sc2#
  - 1...Bh5
    - 2.Sc2#
  - 1...Bb3!
- 1.Rb4?
  - 1...Bc2
    - 2.Sxc2#
  - 1...Be2
    - 2.Sc2#
  - 1...Bf3
    - 2.Sc2#
  - 1...Bg4
    - 2.Sc2#
  - 1...Bh5
    - 2.Sc2#
  - 1...Bb3!
- 1.Rb5?
  - 1...Bc2
    - 2.Sxc2#
  - 1...Be2
    - 2.Sc2#
  - 1...Bf3
    - 2.Sc2#
  - 1...Bg4
    - 2.Sc2#
  - 1...Bh5
    - 2.Sc2#
  - 1...Bb3!
- 1.Rb6?
  - 1...Bc2
    - 2.Sxc2#
  - 1...Be2
    - 2.Sc2#
  - 1...Bf3
    - 2.Sc2#
  - 1...Bg4
    - 2.Sc2#
  - 1...Bh5
    - 2.Sc2#
  - 1...Bb3!
- 1.Rb7?
  - 1...Bc2
    - 2.Sxc2#
  - 1...Be2
    - 2.Sc2#
  - 1...Bf3
    - 2.Sc2#
  - 1...Bg4
    - 2.Sc2#
  - 1...Bh5
    - 2.Sc2#
  - 1...Bb3!
- 1.Rb8?
  - 1...Bc2
    - 2.Sxc2#
  - 1...Be2
    - 2.Sc2#
  - 1...Bf3
    - 2.Sc2#
  - 1...Bg4
    - 2.Sc2#
  - 1...Bh5
    - 2.Sc2#
  - 1...Bb3!
Keys
- 1.Bc2!
  - threat
    - 2.Rb1#
  - 1...Bxc2
    - 2.Sxc2#
  - 1...axb3
    - 2.Sxb3#

FEATURES

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
Sets
- B(b);N_GUARD::S(D),XB(b)
- B(b);N_GUARD::S(D)
Tries
- Try
  - K(B);P-FLIGHT,P_SPINR(C),XP(c)
  - Vars
    - B(b);N_GUARD::S(D),XB(b)
    - B(b);N_GUARD,N_PINR(C)::S(D)
  - Refutation
    - B(b);CHECK,XR(C)
- Try
  - R(C);
  - Vars
    - B(b);N_GUARD::S(D),XB(b)
    - B(b);N_GUARD::S(D)
  - Refutation
    - B(b);
- Try
  - R(C);
  - Vars
    - B(b);N_GUARD::S(D),XB(b)
    - B(b);N_GUARD::S(D)
  - Refutation
    - B(b);
- Try
  - R(C);
  - Vars
    - B(b);N_GUARD::S(D),XB(b)
    - B(b);N_GUARD::S(D)
  - Refutation
    - B(b);
- Try
  - R(C);
  - Vars
    - B(b);N_GUARD::S(D),XB(b)
    - B(b);N_GUARD::S(D)
  - Refutation
    - B(b);
- Try
  - R(C);
  - Vars
    - B(b);N_GUARD::S(D),XB(b)
    - B(b);N_GUARD::S(D)
  - Refutation
    - B(b);
- Try
  - R(C);
  - Vars
    - B(b);N_GUARD::S(D),XB(b)
    - B(b);N_GUARD::S(D)
  - Refutation
    - B(b);
Actual
- B(A);
- Threat
  - R1(C)
- Vars
  - B(b);XB(A)::S(D),XB(b)
  - P(c);XR(C)::S(D),XP(c)

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).