MESON Chess Problem Database
Problem Display
PID: 81933 (1Q6/1p4pq/2p1P3/2RNnn2/1P1k3p/8/3P4/KB3b2 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Die Schwalbe, 2006
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sf3
- 2.Qf4#
- 1...Sc4
- 2.Qf4#
- 1...Sg4
- 2.Qf4#
- 1...Sd7
- 2.Qf4#
- 1...Sf7
- 2.Qf4#
- 1...Se3
- 2.dxe3#
- 1...Sf3
- Tries
- 1.Sb6?
- threat
- 2.Qxe5#
- 1...Sd3
- 2.Rc4#
- 1...Sf3
- 2.Qf4#
- 1...Sc4
- 2.Qf4#
- 1...Sg4
- 2.Qf4#
- 1...Sd7
- 2.Qf4#
- 1...Sf7
- 2.Qf4#
- 1...Sd6
- 2.Qxd6#
- 1...Sg6!
- threat
- 1.Se7?
- threat
- 2.Qxe5#
- 1...Sg6
- 2.Sxf5#
- 1...Sf3
- 2.Qf4#
- 1...Sc4
- 2.Qf4#
- 1...Sg4
- 2.Qf4#
- 1...Sd7
- 2.Qf4#
- 1...Sf7
- 2.Qf4#
- 1...Sd6
- 2.Qxd6#
- 1...Sd3!
- threat
- 1.Sb6?
- Keys
- 1.Se3!
- threat
- 2.Qxe5#
- 1...Sd3
- 2.Rc4#
- 1...Sf3
- 2.Qf4#
- 1...Sc4
- 2.Qf4#
- 1...Sg4
- 2.Qf4#
- 1...Sg6
- 2.Sxf5#
- 1...Sd7
- 2.Qf4#
- 1...Sf7
- 2.Qf4#
- 1...Sd6
- 2.Qxd6#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- S(d);OGATE::QAR2(H)
- S(e);OGATE::P(C),XS(e)
- Tries
- Try
- S(F);
- Threat
- QAB1(H),XS(d)
- Vars
- S(d);N_GUARD,S_CUTB(a)::R1(E)
- S(d);OGATE::QAR2(H)
- S(e);N_GUARD::QAR2(H),XS(e)
- Refutation
- S(d);
- Try
- S(F);
- Threat
- QAB1(H),XS(d)
- Vars
- S(d);S_CUTQ(i)::S(F),XS(e)
- S(d);OGATE::QAR2(H)
- S(e);N_GUARD::QAR2(H),XS(e)
- Refutation
- S(d);
- Try
- Actual
- S(F);
- Threat
- QAB1(H),XS(d)
- Vars
- S(d);N_GUARD,S_CUTB(a)::R1(E)
- S(d);OGATE::QAR2(H)
- S(d);S_CUTQ(i)::S(F),XS(e)
- S(e);N_GUARD::QAR2(H),XS(e)
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).