MESON Chess Problem Database
Problem Display
PID: 82131 (4N3/2p5/2n2R2/2KBk2p/3pN2r/7p/8/B5n1 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Volkmann JT, 1968
#2
6 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb4
- 2.Bxd4#
- 1...Sa5
- 2.Bxd4#
- 1...Sa7
- 2.Bxd4#
- 1...Se7
- 2.Bxd4#
- 1...Sb8
- 2.Bxd4#
- 1...Sd8
- 2.Bxd4#
- 1...Sb4
- Tries
- 1.Sg3?
- threat
- 2.Rf5#
- 1...Rf4
- 2.Re6#
- 1...Se7!
- threat
- 1.S4d6?
- threat
- 2.Sc4#
- 2.Sf7#
- 2.Rf5#
- 1...Rf4
- 2.Sc4#
- 2.Sf7#
- 2.Re6#
- 1...Sa5
- 2.Sf7#
- 2.Rf5#
- 1...Se7
- 2.Sc4#
- 2.Sf7#
- 1...Sd8
- 2.Sc4#
- 2.Rf5#
- 1...cxd6+!
- threat
- 1.S8d6?
- threat
- 2.Sc4#
- 2.Sf7#
- 2.Rf5#
- 1...Rxe4
- 2.Rf5#
- 1...Rf4
- 2.Sc4#
- 2.Sf7#
- 2.Re6#
- 1...Sa5
- 2.Sf7#
- 2.Bxd4#
- 2.Rf5#
- 1...Se7
- 2.Sc4#
- 2.Sf7#
- 2.Bxd4#
- 1...Sd8
- 2.Sc4#
- 2.Bxd4#
- 2.Rf5#
- 1...cxd6+!
- threat
- 1.Sg3?
- Keys
- 1.Sg7!
- threat
- 2.Rf5#
- 1...Rf4
- 2.Re6#
- 1...Se7
- 2.Bxd4#
- threat
- 1.Sg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- S(g);N_GUARD::B(A),XP(c)
- Tries
- Try
- S(B);
- Threat
- R1(E)
- Vars
- R(d);SBLOCK::R1(E)
- Refutation
- S(g);
- Try
- S(B);
- Threat
- DUALS(3)
- Refutation
- P(h);CHECK,XS(B)
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(d);XS(B)::R1(E)
- Refutation
- P(h);CHECK,XS(F)
- Try
- Actual
- S(F);
- Threat
- R1(E)
- Vars
- R(d);SBLOCK::R1(E)
- S(g);N_GUARD::B(A),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).