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: 235383 (5R2/4P3/4p3/bNnBkb2/2P4K/5Qp1/8/7n w - - 0 1)

Paslack, Rainer

Schach-Aktiv, 2007

5R2/4P3/4p3/bNnBkb2/2P4K/5Qp1/8/7n

#2

7 + 7

15148	Sadier Collection	2021

SOLUTION

SOUND
Sets
- 1...Bb1
  - 2.Qf4#
  - 2.Qf6#
- 1...Bc2
  - 2.Qf4#
  - 2.Qf6#
- 1...Bd3
  - 2.Qf4#
  - 2.Qf6#
- 1...Bh3
  - 2.Qf4#
  - 2.Qf6#
- 1...Be4
  - 2.Qf4#
  - 2.Qf6#
- 1...Bg4
  - 2.Qf4#
  - 2.Qf6#
- 1...Bg6
  - 2.Qf4#
  - 2.Qf6#
- 1...Bh7
  - 2.Qf4#
  - 2.Qf6#
- 1...Sf2
  - 2.Qxg3#
- 1...exd5
  - 2.Qxf5#
Tries
- 1.Qe3+?
  - 1...Be4
    - 2.Qd4#
    - 2.Qf4#
  - 1...Se4!
- 1.e8Q?
  - threat
    - 2.Rxf5#
    - 2.Qxf5#
  - 1...Bb1
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bc2
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bd3
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bh3
    - 2.Qf4#
    - 2.Qf6#
  - 1...Be4
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bg4
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bg6
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bh7
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bd8+!
- 1.e8R?
  - threat
    - 2.Rxf5#
    - 2.Qxf5#
  - 1...Bb1
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bc2
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bd3
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bh3
    - 2.Qf4#
    - 2.Qf6#
  - 1...Be4
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bg4
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bg6
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bh7
    - 2.Qf4#
    - 2.Qf6#
  - 1...Bd8+!
Keys
- 1.Bxe6!
  - threat
    - 2.Qxf5#
  - 1...Kxe6
    - 2.e8Q#
  - 1...Bxe6
    - 2.Qf4#
  - 1...Bb1
    - 2.Qd5#
  - 1...Bc2
    - 2.Qd5#
  - 1...Bd3
    - 2.Qd5#
  - 1...Bh3
    - 2.Qd5#
  - 1...Be4
    - 2.Qf6#
  - 1...Bg4
    - 2.Qd5#
  - 1...Bg6
    - 2.Qd5#
  - 1...Bh7
    - 2.Qd5#

FEATURES

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 2
Sets
- S(a);N_GUARD::QAB(A),XP(b)
- P(g);N_GUARD,XB(E)::QAR1(A),XB(f)
Tries
- Try
  - Q(A);CHECK
  - Refutation
    - S(d);P_SPINS(d)
- Try
  - P(F);P_PINP(g)
  - Threat
    - DUALS(2)
  - Refutation
    - B(c);CHECK
- Try
  - P(F);P_PINP(g)
  - Threat
    - DUALS(2)
  - Refutation
    - B(c);CHECK
Actual
- B(E);XP(g)
- Threat
  - QAR1(A),XB(f)
- Vars
  - K(e);P-FLIGHT,XB(E)::P=Q
  - B(f);SBLOCK,XB(E)::QAB1(A)
  - B(f);::QAR1(A)
  - B(f);OGATE,SBLOCK::QAB1(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).