MESON Chess Problem Database
Problem Display
PID: 245826 (6Q1/3r1n1r/1pPpP1Rp/3k4/BRpP1KN1/8/b7/6B1 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Europa-Rochade, 1999
#2
10 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Se5
- 2.Sf6#
- 1...Sg5
- 2.Sf6#
- 1...Sd8
- 2.Sf6#
- 1...Sh8
- 2.Sf6#
- 1...c3
- 2.Se3#
- 1...Se5
- Tries
- 1.Qa8?
- threat
- 2.Rb5#
- 2.cxd7#
- 2.c7#
- 1...Ra7
- 2.Rb5#
- 1...Rc7
- 2.Rb5#
- 1...Re7
- 2.Rb5#
- 2.c7#
- 1...Rd8
- 2.Rb5#
- 1...Rh8
- 2.Rb5#
- 1...Se5
- 2.Rb5#
- 1...Sd8
- 2.Rb5#
- 1...c3
- 2.Se3#
- 2.cxd7#
- 2.c7#
- 1...b5
- 2.Rxb5#
- 2.cxd7#
- 2.c7#
- 1...Rb7!
- threat
- 1.Qe8?
- threat
- 2.Sf6#
- 1...Re7
- 2.Rb5#
- 1...b5!
- threat
- 1.cxd7?
- threat
- 2.Qa8#
- 1...Se5
- 2.Sf6#
- 1...Sd8
- 2.Sf6#
- 1...Rh8!
- threat
- 1.Qa8?
- Keys
- 1.Qc8!
- threat
- 2.Rb5#
- 1...Rc7
- 2.Sf6#
- 1...c3
- 2.Se3#
- 1...b5
- 2.Rxb5#
- threat
- 1.Qc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- S(h);::S(F)
- P(b);::S(F)
- Tries
- Try
- Q(J);
- Threat
- DUALS(3)
- Vars
- R(g);::R(C)
- R(i);::R(C)
- S(h);::R(C)
- Refutation
- R(g);
- Try
- Q(J);
- Threat
- S(F)
- Vars
- R(g);::R(C)
- Refutation
- P(d);
- Try
- P(G);XR(g)
- Threat
- QAB(J)
- Vars
- S(h);::S(F)
- Refutation
- R(i);
- Try
- Actual
- Q(J);
- Threat
- R(C)
- Vars
- R(g);::S(F)
- P(b);::S(F)
- P(d);::R(C),XP(d)
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).