MESON Chess Problem Database
Problem Display
PID: 234182 (2n5/6p1/K2p2R1/1Bkp4/3p1Q2/1n6/2N5/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Berliner Morgenpost, 1967
#2
5 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sa1
- 2.Qxd4#
- 1...Sc1
- 2.Qxd4#
- 1...Sd2
- 2.Qxd4#
- 1...Sa5
- 2.Qxd4#
- 1...Sb6
- 2.Qxd6#
- 1...Sa7
- 2.Qxd6#
- 1...Se7
- 2.Qxd6#
- 1...d3
- 2.Qb4#
- 1...Sa1
- Tries
- 1.Qg3?
- 1...Sb6
- 2.Qxd6#
- 1...Sa1
- 2.Qa3#
- 1...Sc1
- 2.Qa3#
- 1...Sd2
- 2.Qa3#
- 1...Sa5
- 2.Qa3#
- 1...Sa7
- 2.Qxd6#
- 1...Se7
- 2.Qxd6#
- 1...d3!
- 1...Sb6
- 1.Qf6?
- 1...Sb6
- 2.Qxd6#
- 1...Sa1
- 2.Qxd4#
- 1...Sc1
- 2.Qxd4#
- 1...Sd2
- 2.Qxd4#
- 1...Sa5
- 2.Qxd4#
- 1...Sa7
- 2.Qxd6#
- 1...Se7
- 2.Qxd6#
- 1...d3
- 2.Qc3#
- 1...gxf6!
- 1...Sb6
- 1.Qg3?
- Keys
- 1.Qe5!
- 1...dxe5
- 2.Rc6#
- 1...Sb6
- 2.Qxd6#
- 1...Sa1
- 2.Qxd4#
- 1...Sc1
- 2.Qxd4#
- 1...Sd2
- 2.Qxd4#
- 1...Sa5
- 2.Qxd4#
- 1...Sa7
- 2.Qxd6#
- 1...Se7
- 2.Qxd6#
- 1...d3
- 2.Qc3#
- 1...dxe5
- 1.Qe5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB1(B),XP(b)
- S(g);N_GUARD::QAB1(B),XP(e)
- P(b);OGATE::QAB1(B)
- Tries
- Try
- Q(B);
- Vars
- S(g);N_GUARD::QAB1(B),XP(e)
- S(a);OGATE::QAB(B)
- Refutation
- P(b);
- Try
- Q(B);
- Vars
- S(g);N_GUARD::QAB1(B),XP(e)
- S(a);N_GUARD::QAB1(B),XP(b)
- P(b);OGATE::QAR2(B)
- Refutation
- P(f);XQ(B)
- Try
- Actual
- Q(B);P_PINP(d)
- Vars
- P(e);N_SPINP(d),OGATE,XQ(B)::R1(E)
- S(g);N_GUARD::QAB1(B),XP(e)
- S(a);N_GUARD::QAB1(B),XP(b)
- P(b);OGATE::QAR2(B)
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).