MESON Chess Problem Database
Problem Display
PID: 261289 (2r1b3/1BR1p3/pKn1Q3/4p2r/3k4/3p1P2/3P1p2/3NB1q1 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Neue Zurcher Zeitung, 1984
#2
8 + 11
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.Bxf2#
- 1...Qg4
- 2.Bxf2#
- 1...Qg6
- 2.Bxf2#
- 1...Qg7
- 2.Bxf2#
- 1...Qg8
- 2.Bxf2#
- 1...Bg6
- 2.Rd7#
- 1...Bd7
- 2.Rxd7#
- 1...Bf7
- 2.Rd7#
- 1...Sb4
- 2.Qc4#
- 1...Sa5
- 2.Qd5#
- 1...Sa7
- 2.Qc4#
- 2.Qd5#
- 1...Sb8
- 2.Qc4#
- 2.Qd5#
- 1...Sd8
- 2.Qc4#
- 2.Qd5#
- 1...e4
- 2.Qxe4#
- 1...Qh1
- Tries
- 1.Sc3?
- threat
- 2.Qd5#
- 1...Qg8
- 2.Bxf2#
- 1...Bf7
- 2.Rd7#
- 1...Sb4
- 2.Qc4#
- 1...e4
- 2.Qxe4#
- 1...Rd8!
- threat
- 1.Se3?
- threat
- 2.Qc4#
- 2.Qd5#
- 1...Rd8
- 2.Qc4#
- 1...Bf7
- 2.Rd7#
- 1...Sb4
- 2.Qc4#
- 1...Sa5
- 2.Qd5#
- 1...e4
- 2.Qxe4#
- 1...Qg8!
- threat
- 1.Sc3?
- Keys
- 1.Sb2!
- threat
- 2.Qc4#
- 1...Qg8
- 2.Bxf2#
- 1...Bf7
- 2.Rd7#
- 1...Sa5
- 2.Qd5#
- 1...e4
- 2.Qxe4#
- threat
- 1.Sb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- Q(a);N_GUARD::B(B),XP(b)
- B(k);N_GUARD::R(H)
- B(k);N_GUARD::R(H),XB(k)
- S(h);::QAR1(F)
- P(e);OGATE::QAR1(F),XP(e)
- Tries
- Try
- S(A);
- Threat
- QAR1(F)
- Vars
- Q(a);N_GUARD::B(B),XP(b)
- B(k);N_GUARD::R(H)
- S(h);::QAR1(F)
- P(e);OGATE::QAR1(F),XP(e)
- Refutation
- R(j);
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- R(j);::QAR1(F)
- B(k);N_GUARD::R(H)
- S(h);::QAR1(F)
- P(e);OGATE::QAR1(F),XP(e)
- Refutation
- Q(a);
- Try
- Actual
- S(A);
- Threat
- QAR1(F)
- Vars
- Q(a);N_GUARD::B(B),XP(b)
- B(k);N_GUARD::R(H)
- S(h);::QAR1(F)
- P(e);OGATE::QAR1(F),XP(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).