MESON Chess Problem Database
Problem Display
PID: 109396 (4B1K1/1p6/4p2k/8/4p2P/4p3/1p2Q3/2bb4 w - - 0 1)
Sivak, Bohuslav
Slovensky Dennik, 1990
#2
4 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bc2
- 2.Qh5#
- 1...Bb3
- 2.Qh5#
- 1...Ba4
- 2.Qh5#
- 1...Bc2
- Tries
- 1.Qf1?
- threat
- 2.Qf4#
- 2.Qf6#
- 2.Qf8#
- 1...Bh5
- 2.Qf4#
- 2.Qf8#
- 1...e2
- 2.Qf6#
- 2.Qf8#
- 1...e5
- 2.Qf6#
- 2.Qf8#
- 1...Bf3!
- threat
- 1.Qg4?
- threat
- 2.Qxe6#
- 2.Qf4#
- 2.Qg5#
- 2.Qg6#
- 2.Qg7#
- 1...Bb3
- 2.Qh5#
- 2.Qf4#
- 2.Qg5#
- 2.Qg6#
- 2.Qg7#
- 1...e2
- 2.Qh5#
- 2.Qxe6#
- 2.Qg6#
- 2.Qg7#
- 1...e5
- 2.Qe6#
- 2.Qg5#
- 2.Qg6#
- 2.Qg7#
- 1...Bxg4!
- threat
- 1.Qxb2?
- threat
- 2.Qf6#
- 2.Qg7#
- 2.Qh8#
- 1...Bh5
- 2.Qg7#
- 2.Qh8#
- 1...e5
- 2.Qb6#
- 1...Bxb2!
- threat
- 1.Qg2?
- threat
- 2.Qg5#
- 2.Qg6#
- 2.Qg7#
- 1...Bh5
- 2.Qg5#
- 2.Qg7#
- 1...e2
- 2.Qg6#
- 2.Qg7#
- 1...Bg4!
- threat
- 1.Qf1?
- Keys
- 1.Qb5!
- threat
- 2.Qg5#
- 1...e2
- 2.Qh5#
- 1...e5
- 2.Qb6#
- threat
- 1.Qb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(b);N_GUARD::QAR1(A)
- Tries
- Try
- Q(A);
- Threat
- DUALS(3)
- Refutation
- B(b);
- Try
- Q(A);
- Threat
- DUALS(5)
- Refutation
- B(b);XQ(A)
- Try
- Q(A);XP(c)
- Threat
- DUALS(3)
- Vars
- P(f);OGATEB::QAR(A)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Refutation
- B(b);
- Try
- Actual
- Q(A);
- Threat
- QAB1(A)
- Vars
- P(d);S_CUTB(b)::QAR1(A)
- P(f);OGATEB::QAR(A)
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).