MESON Chess Problem Database
Problem Display
PID: 107151 (8/3N4/2pbp3/3k1p2/6pQ/1p1K3P/8/8 w - - 0 1)
Bara, Cestmir
De Waarheid, 1977
#2
4 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...gxh3
- 2.Qc4#
- 2.Qd4#
- 1...g3
- 2.Qc4#
- 2.Qd4#
- 1...gxh3
- Tries
- 1.Qf2?
- threat
- 2.Qd4#
- 2.Qg2#
- 1...gxh3
- 2.Qd4#
- 2.Qf3#
- 1...Bh2
- 2.Qd4#
- 2.Qc5#
- 1...Ba3
- 2.Qd4#
- 1...Bg3
- 2.Qd4#
- 2.Qc5#
- 1...Bb4
- 2.Qd4#
- 1...Bf4
- 2.Qd4#
- 2.Qc5#
- 1...Bc5
- 2.Qxc5#
- 1...Be5
- 2.Qc5#
- 1...Bc7
- 2.Qd4#
- 2.Qc5#
- 1...Be7
- 2.Qd4#
- 1...Bb8
- 2.Qd4#
- 2.Qc5#
- 1...Bf8
- 2.Qd4#
- 1...c5
- 2.Qg2#
- 1...f4
- 2.Qd4#
- 1...e5!
- threat
- 1.Qf6?
- threat
- 2.Qd4#
- 1...Bc5
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...e5
- 2.Qf7#
- 1...c5!
- threat
- 1.Qf2?
- Keys
- 1.Qh8!
- threat
- 2.Qd4#
- 1...Bc5
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qg8#
- threat
- 1.Qh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(f);::QAR1(C)
- B(f);N_GUARD::QAR1(C),XB(f)
- B(f);N_GUARD::QAR1(C)
- P(e);::QAB(C)
- P(d);::QAR1(C)
- Refutation
- P(g);
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- B(f);N_GUARD::QAR1(C)
- B(f);N_GUARD::QAR1(C),XB(f)
- P(g);OGATEB::QAB(C)
- Refutation
- P(e);
- Try
- Actual
- Q(C);
- Threat
- QAR1(C)
- Vars
- B(f);N_GUARD::QAR1(C)
- B(f);N_GUARD::QAR1(C),XB(f)
- P(e);OGATEB::QAB(C)
- P(g);OGATEB::QAB(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).