MESON Chess Problem Database
Problem Display
PID: 152916 (Q1K1B3/7p/p3p2k/5R2/1Bp2pR1/q4p2/1nb1p3/brn4r w - - 0 1)
Ahues, Herbert Siegfried Oskar
Source?, 1949
#2
6 + 15
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Bf8#
- 1...Qb3
- 2.Bf8#
- 1...Qd3
- 2.Bf8#
- 1...Qe3
- 2.Bf8#
- 1...Qa4
- 2.Bf8#
- 1...Qa5
- 2.Bf8#
- 1...Rd1
- 2.Rh5#
- 1...Re1
- 2.Rh5#
- 1...Rf1
- 2.Rh5#
- 1...Rg1
- 2.Rh5#
- 1...Rh5
- 2.Rxh5#
- 1...Bd1
- 2.Rf6#
- 1...Bb3
- 2.Rf6#
- 1...Ba4
- 2.Rf6#
- 1...Scd3
- 2.Rf6#
- 1...exf5
- 2.Qc6#
- 1...e5
- 2.Qc6#
- 1...Qa2
- Tries
- 1.Qb8?
- threat
- 2.Qxf4#
- 1...Qe3
- 2.Bf8#
- 1...Rh5
- 2.Rxh5#
- 1...Scd3
- 2.Rf6#
- 1...e5
- 2.Qd6#
- 2.Qb6#
- 1...Sbd3!
- threat
- 1.Qb8?
- Keys
- 1.Qxf3!
- threat
- 2.Qxf4#
- 1...Qxf3
- 2.Bf8#
- 1...Qe3
- 2.Bf8#
- 1...Rf1
- 2.Rh5#
- 1...Rh5
- 2.Rxh5#
- 1...Scd3
- 2.Rf6#
- 1...Sbd3
- 2.Qxh1#
- 1...e5
- 2.Qc6#
- threat
- 1.Qxf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- Q(h);N_GUARD::B(A)
- R(d);N_GUARD::R1(C)
- R(d);N_GUARD::R1(C),XR(d)
- B(f);N_GUARD::R(C)
- S(c);S_CUTB(f)::R(C)
- P(m);OGATEB,XR(C)::QAR(D)
- P(m);OGATEB::QAR(D)
- Tries
- Try
- Q(D);
- Threat
- QAB(D),XP(k)
- Vars
- Q(h);N_GUARD::B(A)
- R(d);N_GUARD::R1(C),XR(d)
- S(c);S_CUTB(f)::R(C)
- Refutation
- S(e);
- Try
- Actual
- Q(D);XP(i)
- Threat
- QAB(D),XP(k)
- Vars
- Q(h);N_GUARD,XQ(D)::B(A)
- Q(h);N_GUARD::B(A)
- R(d);N_GUARD::R1(C)
- R(d);N_GUARD::R1(C),XR(d)
- S(c);S_CUTB(f)::R(C)
- S(e);S_CUTQ(h)::QAR(D),XR(d)
- P(m);OGATEB::QAR(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).