Meson Chess Problem Database

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Problem Display

PID: 249556 (8/1R1p4/R7/2k5/8/3K4/8/7B w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1972

8/1R1p4/R7/2k5/8/3K4/8/7B

#2

4 + 2

6490	yacpdb	2021

SOLUTION

SOUND
Sets
- 1...d6
  - 2.Ra5#
  - 2.Rc6#
Tries
- 1.Kc3?
  - 1...d6
    - 2.Ra5#
    - 2.Rc6#
  - 1...d5!
- 1.Bg2?
  - 1...d6
    - 2.Ra5#
    - 2.Rc6#
  - 1...d5!
- 1.Bf3?
  - 1...d6
    - 2.Ra5#
    - 2.Rc6#
  - 1...d5!
- 1.Be4?
  - 1...d6
    - 2.Ra5#
    - 2.Rc6#
  - 1...d5!
- 1.Rab6?
  - 1...d6
    - 2.Rb5#
    - 2.Rc6#
  - 1...d5!
- 1.Rb1?
  - 1...d6
    - 2.Ra5#
    - 2.Rc6#
  - 1...d5!
- 1.Rb2?
  - 1...d6
    - 2.Ra5#
    - 2.Rc6#
  - 1...d5!
- 1.Rb3?
  - 1...d6
    - 2.Ra5#
    - 2.Rc6#
  - 1...d5!
- 1.Rb8?
  - 1...d6
    - 2.Ra5#
    - 2.Rc6#
  - 1...d5!
Keys
- 1.Bd5!
  - 1...Kxd5
    - 2.Rb5#
  - 1...d6
    - 2.Ra5#

FEATURES

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
Sets
Tries
- Try
  - K(B);P-FLIGHT
  - Refutation
    - P(b);
- Try
  - B(A);
  - Refutation
    - P(b);
- Try
  - B(A);
  - Refutation
    - P(b);
- Try
  - B(A);
  - Refutation
    - P(b);
- Try
  - R(C);
  - Refutation
    - P(b);
- Try
  - R(D);
  - Refutation
    - P(b);
- Try
  - R(D);
  - Refutation
    - P(b);
- Try
  - R(D);
  - Refutation
    - P(b);
- Try
  - R(D);
  - Refutation
    - P(b);
Actual
- B(A);
- Vars
  - K(a);P-FLIGHT,XB(A)::R(D)
  - P(b);SBLOCK::R(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).