MESON Chess Problem Database
Problem Display
PID: 78063 (8/8/1p2rNQ1/1P6/KPk2P2/2Pp4/3P4/8 w - - 0 1)
Herlin, Theodore Adrien Louis
La Palamede, 1846
#2
8 + 4
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Qxe4#
- 1...Rc6
- 2.Qe4#
- 1...Rxf6
- 2.Qe4#
- 1...Re4
- Tries
- 1.Sg4?
- threat
- 2.Qxe6#
- 1...Kd5
- 2.Qxd3#
- 1...Rxg6
- 2.Se3#
- 1...Re1
- 2.Qc6#
- 1...Re2
- 2.Qc6#
- 1...Re3
- 2.Sxe3#
- 2.Qc6#
- 1...Re4
- 2.Qxe4#
- 2.Qc6#
- 1...Rc6
- 2.Se3#
- 2.Qe4#
- 2.Qxc6#
- 1...Rd6
- 2.Se3#
- 1...Rf6
- 2.Se3#
- 2.Qe4#
- 1...Re7
- 2.Qc6#
- 1...Re8
- 2.Qc6#
- 1...Re5!
- threat
- 1.Sg4?
- Keys
- 1.Sd5!
- 1...Kxd5
- 2.Qxd3#
- 1...Rxg6
- 2.Se3#
- 1...Re1
- 2.Sxb6#
- 2.Qc6#
- 1...Re2
- 2.Sxb6#
- 2.Qc6#
- 1...Re3
- 2.Sxe3#
- 2.Sxb6#
- 2.Qc6#
- 1...Re4
- 2.Sxb6#
- 2.Qxe4#
- 2.Qc6#
- 1...Re5
- 2.Sxb6#
- 2.Qc6#
- 1...Rc6
- 2.Se3#
- 2.Qe4#
- 2.Qxc6#
- 1...Rd6
- 2.Se3#
- 2.Qe4#
- 1...Rf6
- 2.Se3#
- 2.Qe4#
- 1...Re7
- 2.Sxb6#
- 2.Qc6#
- 1...Re8
- 2.Sxb6#
- 2.Qc6#
- 1...Kxd5
- 1.Sd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(d);N_GUARD::QAR2(H),XR(d)
- R(d);N_GUARD::QAR2(H)
- R(d);N_GUARD,XS(G)::QAR2(H)
- Tries
- Try
- S(G);
- Threat
- QAB(H),XR(d)
- Vars
- K(b);S_FLIGHT::QAR2(H),XP(a)
- R(d);N_GUARD,XQ(H)::S(G)
- R(d);OGATE::QAR2(H)
- R(d);N_GUARD::S(G)
- Refutation
- R(d);
- Try
- Actual
- S(G);
- Vars
- K(b);S_FLIGHT,XS(G)::QAR2(H),XP(a)
- R(d);N_GUARD,XQ(H)::S(G)
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).