MESON Chess Problem Database
Problem Display
PID: 240194 (6Q1/4Kp2/5B2/5k1b/5p2/2N2n2/8/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Problem-Forum, 2006
#2
4 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bg4
- 2.Qh7#
- 1...Bg6
- 2.Qc8#
- 1...Se1
- 2.Qg5#
- 1...Sg1
- 2.Qg5#
- 1...Sd2
- 2.Qg5#
- 1...Sh2
- 2.Qg5#
- 1...Sd4
- 2.Qg5#
- 1...Sh4
- 2.Qg5#
- 1...Se5
- 2.Qg5#
- 1...Sg5
- 2.Qxg5#
- 1...Bg4
- Tries
- 1.Qh7+?
- 1...Bg6
- 2.Qh3#
- 1...Kg4!
- 1...Bg6
- 1.Qg7?
- 1...Sg5
- 2.Qxg5#
- 1...Bg4
- 2.Qh7#
- 1...Se1
- 2.Qg5#
- 1...Sg1
- 2.Qg5#
- 1...Sd2
- 2.Qg5#
- 1...Sh2
- 2.Qg5#
- 1...Sd4
- 2.Qg5#
- 1...Sh4
- 2.Qg5#
- 1...Se5
- 2.Qg5#
- 1...Bg6!
- 1...Sg5
- 1.Qh7+?
- Keys
- 1.Qg2!
- 1...Bg4
- 2.Qc2#
- 1...Sg5
- 2.Qxg5#
- 1...Bg6
- 2.Qh3#
- 1...Se1
- 2.Qg5#
- 1...Sg1
- 2.Qg5#
- 1...Sd2
- 2.Qg5#
- 1...Sh2
- 2.Qg5#
- 1...Sd4
- 2.Qg5#
- 1...Sh4
- 2.Qg5#
- 1...Se5
- 2.Qg5#
- 1...Bg4
- 1.Qg2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(d);N_GUARD,SBLOCK::QAB(D)
- B(d);SBLOCK::QAB(D)
- S(a);N_GUARD::QAR1(D)
- S(a);N_GUARD::QAR1(D),XS(a)
- Tries
- Try
- Q(D);CHECK
- Vars
- B(d);OGATE,P_SPINB(d),SBLOCK::QAB(D)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(D);
- Vars
- S(a);N_GUARD::QAR1(D),XS(a)
- B(d);N_GUARD,SBLOCK::QAB(D)
- S(a);N_GUARD::QAR1(D)
- Refutation
- B(d);
- Try
- Actual
- Q(D);
- Vars
- B(d);SBLOCK::QAB(D)
- S(a);N_GUARD::QAR1(D),XS(a)
- B(d);N_GUARD,SBLOCK::QAB(D)
- S(a);N_GUARD::QAR1(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).