MESON Chess Problem Database
Problem Display
PID: 194295 (1b1NK3/2k5/1p1p4/4p3/1p4B1/8/2p5/6Q1 w - - 0 1)
Janet, Frank
Pittsburgh Gazette-Times, 1917
#2
4 + 7
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...c1Q
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...c1Q
- Tries
- 1.Qh1?
- threat
- 2.Qc6#
- 2.Qb7#
- 2.Qh7#
- 1...Ba7
- 2.Qb7#
- 1...b5
- 2.Qc6#
- 2.Qb7#
- 1...c1Q
- 2.Qb7#
- 2.Qxc1#
- 2.Qh7#
- 1...c1R
- 2.Qb7#
- 2.Qxc1#
- 2.Qh7#
- 1...e4
- 2.Qh7#
- 1...d5!
- threat
- 1.Qg2?
- threat
- 2.Qc6#
- 2.Qb7#
- 2.Qxc2#
- 1...Ba7
- 2.Qb7#
- 1...b5
- 2.Qc6#
- 2.Qb7#
- 1...c1Q
- 2.Qb7#
- 1...c1S
- 2.Qc6#
- 2.Qb7#
- 2.Qc2#
- 1...c1B
- 2.Qc6#
- 2.Qb7#
- 2.Qc2#
- 1...c1R
- 2.Qb7#
- 1...b3
- 2.Qc6#
- 2.Qb7#
- 1...e4
- 2.Qxc2#
- 1...d5!
- threat
- 1.Qh1?
- Keys
- 1.Qa1!
- 1...Ba7
- 2.Qxa7#
- 1...b5
- 2.Qa5#
- 1...d5
- 2.Qxe5#
- 1...c1Q
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...b3
- 2.Qc3#
- 1...e4
- 2.Qg7#
- 1...Ba7
- 1.Qa1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- Tries
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(g);::QAR1(A)
- P(c);::QAR(A)
- Refutation
- P(e);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(g);::QAR1(A)
- P(a);::QAR1(A)
- P(c);::QAR(A),XP(a)
- Refutation
- P(e);
- Try
- Actual
- Q(A);
- Vars
- B(g);N_GUARD::QAR2(A),XB(g)
- P(d);OGATEB::QAB(A)
- P(e);OGATEB::QAB(A),XP(c)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- P(b);N_GUARD::QAR(A)
- P(c);OGATE::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).