MESON Chess Problem Database
Problem Display
PID: 108770 (6r1/1B2p2r/2K1k3/4p3/8/8/1b1P3Q/5R2 w - - 0 1)
Lapointe, Daniel
Apprenti Sorcier, 1996
#2
5 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Bc8#
- 1...Rg2
- 2.Bc8#
- 1...Rg3
- 2.Bc8#
- 1...Rg4
- 2.Bc8#
- 1...Rg5
- 2.Bc8#
- 1...Rg6
- 2.Bc8#
- 1...Rg7
- 2.Bc8#
- 1...Rc8+
- 2.Bxc8#
- 1...Rg1
- Tries
- 1.Qf4?
- threat
- 2.Qc4#
- 2.Qf5#
- 1...Rc8+
- 2.Bxc8#
- 1...Rh4
- 2.Qf5#
- 2.Qf7#
- 1...Rh5
- 2.Qc4#
- 2.Qf7#
- 1...Rf7
- 2.Qc4#
- 2.Qxf7#
- 1...Rg4
- 2.Bc8#
- 2.Qxg4#
- 2.Qf5#
- 1...Rg5
- 2.Bc8#
- 2.Qc4#
- 1...Rd8
- 2.Qg4#
- 2.Qf5#
- 1...Rf8
- 2.Qc4#
- 1...Bd4
- 2.Qf5#
- 1...e4
- 2.Qf5#
- 1...exf4!
- threat
- 1.Qf2?
- threat
- 2.Qf5#
- 1...Rc8+
- 2.Bxc8#
- 1...Rh5
- 2.Qf7#
- 1...Rf7
- 2.Qxf7#
- 1...Rg5
- 2.Bc8#
- 1...Rf8!
- threat
- 1.Qg2?
- threat
- 2.Qd5#
- 1...Rc8+
- 2.Bxc8#
- 1...Rxg2
- 2.Bc8#
- 1...Rd8
- 2.Qg4#
- 2.Qg6#
- 1...e4!
- threat
- 1.Qh3+?
- 1...Rg4
- 2.Bc8#
- 2.Qxg4#
- 1...Rxh3!
- 1...Rg4
- 1.Qh6+?
- 1...Rg6
- 2.Bc8#
- 2.Qxg6#
- 1...Rxh6!
- 1...Rg6
- 1.Qxh7?
- threat
- 2.Qf5#
- 2.Qxg8#
- 2.Qf7#
- 1...Rc8+
- 2.Bxc8#
- 1...e4
- 2.Qf5#
- 1...Rg1
- 2.Bc8#
- 2.Qf5#
- 2.Qf7#
- 1...Rg2
- 2.Bc8#
- 2.Qf5#
- 2.Qf7#
- 1...Rg3
- 2.Bc8#
- 2.Qf5#
- 2.Qf7#
- 1...Rg4
- 2.Bc8#
- 2.Qf5#
- 2.Qf7#
- 1...Rg5
- 2.Bc8#
- 2.Qf7#
- 1...Rg6
- 2.Bc8#
- 2.Qxg6#
- 2.Qf7#
- 1...Rg7
- 2.Bc8#
- 2.Qf5#
- 1...Ra8
- 2.Qf5#
- 2.Qg6#
- 2.Qh3#
- 2.Qh6#
- 2.Qf7#
- 1...Rb8
- 2.Qf5#
- 2.Qg6#
- 2.Qh3#
- 2.Qh6#
- 2.Qf7#
- 1...Rd8
- 2.Qf5#
- 2.Qg6#
- 2.Qh3#
- 2.Qh6#
- 2.Qf7#
- 1...Re8
- 2.Qf5#
- 2.Qg6#
- 2.Qh3#
- 2.Qh6#
- 2.Qf7#
- 1...Rh8
- 2.Qf5#
- 2.Qg6#
- 2.Qf7#
- 1...Rf8!
- threat
- 1.Qf4?
- Keys
- 1.d4!
- threat
- 2.Qxe5#
- 2.d5#
- 1...Rc8+
- 2.Bxc8#
- 1...Rxh2
- 2.d5#
- 1...Bxd4
- 2.Qa2#
- 1...exd4
- 2.Qe2#
- 1...Rh5
- 2.d5#
- 1...Rg3
- 2.Bc8#
- 2.d5#
- 1...Rg5
- 2.Bc8#
- 2.d5#
- 1...Rd8
- 2.Qxe5#
- 1...e4
- 2.Qe5#
- 2.d5#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- R(f);N_GUARD::B(E)
- R(f);CHECK,N_GUARD::B(E),XR(f)
- Tries
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(f);CHECK,N_GUARD::B(E),XR(f)
- R(f);::QAB(C)
- B(a);::QAB1(C)
- P(b);::QAB1(C)
- Refutation
- P(b);XQ(C)
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- R(f);CHECK,N_GUARD::B(E),XR(f)
- R(e);N_GUARD::QAB1(C)
- R(e);N_GUARD::QAB1(C),XR(e)
- R(f);N_GUARD::B(E)
- Refutation
- R(f);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- R(f);CHECK,N_GUARD::B(E),XR(f)
- R(f);N_GUARD,XQ(C)::B(E)
- Refutation
- P(b);
- Try
- Q(C);CHECK
- Refutation
- R(e);XQ(C)
- Try
- Q(C);CHECK
- Refutation
- R(e);XQ(C)
- Try
- Q(C);XR(e)
- Threat
- DUALS(3)
- Vars
- R(f);CHECK,N_GUARD::B(E),XR(f)
- P(b);::QAB1(C)
- Refutation
- R(f);
- Try
- Actual
- P(B);
- Threat
- DUALS(2)
- Vars
- R(f);CHECK,N_GUARD::B(E),XR(f)
- R(e);XQ(C)::P(B)
- B(a);OGATE,XP(B)::QAB(C)
- P(b);OGATEB,XP(B)::QAR(C)
- R(e);::P(B)
- R(f);::QAR1(C),XP(b)
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).