MESON Chess Problem Database
Problem Display
PID: 242624 (8/2B3K1/3P4/P1kpp3/BpP4p/1P2P2p/7P/6Q1 w - - 0 1)
Casa, Alex
idee & form, 2004
#2
10 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...dxc4
- 2.e4#
- 1...dxc4
- Tries
- 1.Qa1?
- 1...dxc4
- 2.Qxe5#
- 1...e4
- 2.Qd4#
- 1...d4!
- 1...dxc4
- 1.Qd1?
- threat
- 2.Qxd5#
- 1...dxc4
- 2.Bb6#
- 1...d4!
- threat
- 1.Qh1?
- threat
- 2.Qxd5#
- 1...dxc4
- 2.Qc6#
- 1...d4
- 2.Qd5#
- 2.Qc6#
- 1...e4!
- threat
- 1.Qg3?
- 1...dxc4
- 2.Qxe5#
- 1...d4
- 2.Qxe5#
- 1...e4
- 2.Bb6#
- 1...hxg3!
- 1...dxc4
- 1.Qa1?
- Keys
- 1.Qg5!
- 1...dxc4
- 2.Qxe5#
- 1...d4
- 2.Qxe5#
- 1...e4
- 2.Qxd5#
- 1...dxc4
- 1.Qg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(e);N_GUARD,XP(F)::QAB(A)+P(D)
- Tries
- Try
- Q(A);
- Vars
- P(e);OGATEB,XP(F)::QAR2(A),XP(f)
- P(f);N_GUARD::QAB1(A)
- Refutation
- P(e);
- Try
- Q(A);
- Threat
- QAR1(A),XP(e)
- Vars
- P(e);XP(F)::B(I)
- Refutation
- P(e);
- Try
- Q(A);
- Threat
- QAR1(A),XP(e)
- Vars
- P(e);OGATE,XP(F)::QAR1(A)
- Refutation
- P(f);
- Try
- Q(A);
- Vars
- P(e);OGATEB,XP(F)::QAR2(A),XP(f)
- P(e);OGATEB::QAR2(A),XP(f)
- P(f);::B(I)
- Refutation
- P(c);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- P(e);OGATEB,P_SPINP(f),XP(F)::QAR2(A),XP(f)
- P(e);OGATEB,P_SPINP(f)::QAR2(A),XP(f)
- P(f);OGATE,P_SPINP(e)::QAR1(A),XP(e)
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).