MESON Chess Problem Database
Problem Display
PID: 122145 (k7/8/1PK5/8/5B2/7p/p2P1pp1/5RR1 w - - 0 1)
Giebel, Gerd
Caissa, 1978
#2
6 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...a1Q
- 2.Rxa1#
- 1...a1S
- 2.Rxa1#
- 1...a1B
- 2.Rxa1#
- 1...a1R
- 2.Rxa1#
- 1...gxf1Q
- 2.Rg8#
- 1...gxf1S
- 2.Rg8#
- 1...gxf1B
- 2.Rg8#
- 1...gxf1R
- 2.Rg8#
- 1...a1Q
- Tries
- 1.Be5?
- 1...fxg1Q
- 2.Rf8#
- 1...fxg1S
- 2.Rf8#
- 1...fxg1B
- 2.Rf8#
- 1...fxg1R
- 2.Rf8#
- 1...gxf1Q
- 2.Rg8#
- 1...gxf1S
- 2.Rg8#
- 1...gxf1B
- 2.Rg8#
- 1...gxf1R
- 2.Rg8#
- 1...a1Q
- 2.Rxa1#
- 1...a1S
- 2.Rxa1#
- 1...a1B
- 2.Rxa1#
- 1...a1R
- 2.Rxa1#
- 1...h2!
- 1...fxg1Q
- 1.Bd6?
- 1...fxg1Q
- 2.Rf8#
- 1...fxg1S
- 2.Rf8#
- 1...fxg1B
- 2.Rf8#
- 1...fxg1R
- 2.Rf8#
- 1...gxf1Q
- 2.Rg8#
- 1...gxf1S
- 2.Rg8#
- 1...gxf1B
- 2.Rg8#
- 1...gxf1R
- 2.Rg8#
- 1...a1Q
- 2.Rxa1#
- 1...a1S
- 2.Rxa1#
- 1...a1B
- 2.Rxa1#
- 1...a1R
- 2.Rxa1#
- 1...h2!
- 1...fxg1Q
- 1.Bc7?
- 1...fxg1Q
- 2.Rf8#
- 1...fxg1S
- 2.Rf8#
- 1...fxg1B
- 2.Rf8#
- 1...fxg1R
- 2.Rf8#
- 1...gxf1Q
- 2.Rg8#
- 1...gxf1S
- 2.Rg8#
- 1...gxf1B
- 2.Rg8#
- 1...gxf1R
- 2.Rg8#
- 1...a1Q
- 2.Rxa1#
- 1...a1S
- 2.Rxa1#
- 1...a1B
- 2.Rxa1#
- 1...a1R
- 2.Rxa1#
- 1...h2!
- 1...fxg1Q
- 1.Rxf2?
- 1...a1Q
- 2.Rxa1#
- 1...a1S
- 2.Rxa1#
- 1...a1B
- 2.Rxa1#
- 1...a1R
- 2.Rxa1#
- 1...h2!
- 1...a1Q
- 1.Be5?
- Keys
- 1.Bh2!
- 1...fxg1Q
- 2.Rf8#
- 1...fxg1S
- 2.Rf8#
- 1...fxg1B
- 2.Rf8#
- 1...fxg1R
- 2.Rf8#
- 1...gxf1Q
- 2.Rg8#
- 1...gxf1S
- 2.Rg8#
- 1...gxf1B
- 2.Rg8#
- 1...gxf1R
- 2.Rg8#
- 1...a1Q
- 2.Rxa1#
- 1...a1S
- 2.Rxa1#
- 1...a1B
- 2.Rxa1#
- 1...a1R
- 2.Rxa1#
- 1...fxg1Q
- 1.Bh2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- P(c);OGATE,XR(A)::R(B)
- Tries
- Try
- B(D);
- Vars
- P(b);OGATE,XR(B)::R(A)
- P(c);OGATE,XR(A)::R(B)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- Refutation
- P(d);
- Try
- B(D);
- Vars
- P(b);OGATE,XR(B)::R(A)
- P(c);OGATE,XR(A)::R(B)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- Refutation
- P(d);
- Try
- B(D);
- Vars
- P(b);OGATE,XR(B)::R(A)
- P(c);OGATE,XR(A)::R(B)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- Refutation
- P(d);
- Try
- R(A);XP(b)
- Vars
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- Refutation
- P(d);
- Try
- Actual
- B(D);
- Vars
- P(b);OGATE,XR(B)::R(A)
- P(c);OGATE,XR(A)::R(B)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(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).