MESON Chess Problem Database
Problem Display
PID: 50302 (1Kbnrq2/2Q5/3nrP2/2R5/2N1k3/2PN4/2PP3b/5R2 w - - 0 1)
Degener, Udo
3rd HM., Ahues-75 JT, 1998
#2
10 + 8
| 23 | Die Schwalbe | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.Rf4#
- 1...Bf4
- 2.Rxf4#
- 1...Sc6+
- 2.Qxc6#
- 1...Sb7
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...Bg1
- Tries
- 1.Sc1?
- threat
- 2.d3#
- 1...Sc6+
- 2.Qxc6#
- 1...Sxc4!
- threat
- 1.Se1?
- threat
- 2.d3#
- 1...Sc6+
- 2.Qxc6#
- 1...Sxc4!
- threat
- 1.Sdb2?
- threat
- 2.d3#
- 1...Sc6+
- 2.Qxc6#
- 1...Sxc4!
- threat
- 1.Sf4?
- threat
- 2.d3#
- 1...Sc6+
- 2.Qxc6#
- 1...Sxc4
- 2.Qh7#
- 1...Re5!
- threat
- 1.Sde5?
- threat
- 2.d3#
- 1...Sc6+
- 2.Qxc6#
- 1...Sxc4
- 2.Qh7#
- 1...Bf4!
- threat
- 1.Sc1?
- Keys
- 1.Sb4!
- threat
- 2.d3#
- 1...Sc6+
- 2.Qxc6#
- 1...Sxc4
- 2.Rxc4#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- B(a);N_GUARD::R1(A)
- B(a);N_GUARD::R1(A),XB(a)
- S(f);CHECK,N_GUARD::QAB(I),XS(f)
- S(f);N_GUARD::QAB(I)
- Tries
- Try
- S(E);
- Threat
- P(C)
- Vars
- S(f);CHECK,N_GUARD::QAB(I),XS(f)
- Refutation
- S(c);P_PINQ(I),XS(F)
- Try
- S(E);
- Threat
- P(C)
- Vars
- S(f);CHECK,N_GUARD::QAB(I),XS(f)
- Refutation
- S(c);P_PINQ(I),XS(F)
- Try
- S(E);
- Threat
- P(C)
- Vars
- S(f);CHECK,N_GUARD::QAB(I),XS(f)
- Refutation
- S(c);P_PINQ(I),XS(F)
- Try
- S(E);
- Threat
- P(C)
- Vars
- S(f);CHECK,N_GUARD::QAB(I),XS(f)
- S(c);N_GUARD,XS(F)::QAB(I)
- Refutation
- R(d);
- Try
- S(E);
- Threat
- P(C)
- Vars
- S(f);CHECK,N_GUARD::QAB(I),XS(f)
- S(c);N_GUARD,XS(F)::QAB(I)
- Refutation
- B(a);
- Try
- Actual
- S(E);
- Threat
- P(C)
- Vars
- S(f);CHECK,N_GUARD::QAB(I),XS(f)
- S(c);OGATE,P_PINQ(I),XS(F)::R(G),XS(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).