MESON Chess Problem Database
Problem Display
PID: 198600 (8/7n/R1pK1p2/5N2/3Bk3/3p1R1p/2r4N/1r5B w - - 0 1)
Witt, Andreas
Augsburger Allgemeine Zeitung, 2001
(First published on Sat Mar 24 2001)
#2
7 + 8
| 16210 | Problemschach-Jahrbuch (2001) | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Rbb2
- 2.Rf2#
- 1...Rb3
- 2.Rf2#
- 1...Rb4
- 2.Rf2#
- 1...Rb5
- 2.Rf2#
- 1...Rb6
- 2.Rf2#
- 1...Rb7
- 2.Rf2#
- 1...Rb8
- 2.Rf2#
- 1...Rc1
- 2.Rf1#
- 1...Rc3
- 2.Rf1#
- 1...Rc4
- 2.Rf1#
- 1...Rc5
- 2.Rf1#
- 1...Rbb2
- Tries
- 1.Bc3?
- threat
- 2.Sg3#
- 1...Rxc3
- 2.Rf1#
- 1...Rg1
- 2.Ra4#
- 1...Rg2!
- threat
- 1.Be3?
- threat
- 2.Sg3#
- 2.Rf4#
- 1...Rg1
- 2.Rf4#
- 1...Rg2
- 2.Rf4#
- 1...d2!
- threat
- 1.Be5?
- threat
- 2.Sg3#
- 2.Rf4#
- 1...Rg1
- 2.Rf4#
- 1...Rg2
- 2.Rf4#
- 1...d2
- 2.Sg3#
- 1...fxe5!
- threat
- 1.Bc3?
- Keys
- 1.Ra4!
- threat
- 2.Sg3#
- 1...Rg1
- 2.Bc3#
- 1...Rb4
- 2.Rf2#
- 1...Rg2
- 2.Bb2#
- 1...Rc4
- 2.Rf1#
- threat
- 1.Ra4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(a);N_GUARD::B(A)+R(C)
- R(b);N_GUARD::B(A)+R(C)
- Tries
- Try
- B(D);
- Threat
- S(E)
- Vars
- R(b);N_GUARD,XB(D)::B(A)+R(C)
- R(a);N_GUARD::R(F)
- Refutation
- R(b);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(a);::B(A)+R(C),DCHECK
- R(b);::R1(C)
- Refutation
- P(c);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(a);::B(A)+R(C),DCHECK
- R(b);::R1(C)
- P(c);::S(E)
- Refutation
- P(g);XB(D)
- Try
- Actual
- R(F);
- Threat
- S(E)
- Vars
- R(a);N_GUARD::R(F)+B(D)
- R(a);N_GUARD::B(A)+R(C)
- R(b);N_GUARD::R(F)+B(D)
- R(b);N_GUARD::B(A)+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).