MESON Chess Problem Database
Problem Display
PID: 205755 (4Q3/2R5/3p4/3p4/2BkN3/8/5K2/8 w - - 0 1)
Leopold, Dr Rudolf L
Allgemeine Zeitung Chemnitz, 1925
#2
5 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...dxe4
- 2.Qh8#
- 1...dxe4
- Tries
- 1.Ke2?
- 1...dxe4
- 2.Qh8#
- 1...dxc4!
- 1...dxe4
- 1.Sc3?
- threat
- 2.Se2#
- 2.Sb5#
- 2.Qe3#
- 2.Qh8#
- 1...dxc4
- 2.Qe3#
- 1...Kxc3!
- threat
- 1.Bd3?
- 1...dxe4
- 2.Qxe4#
- 1...Kxd3!
- 1...dxe4
- 1.Rc8?
- 1...dxe4
- 2.Qh8#
- 1...dxc4!
- 1...dxe4
- 1.Qe6?
- threat
- 2.Qxd5#
- 1...dxe4
- 2.Qf6#
- 1...dxc4!
- threat
- 1.Qe7?
- 1...dxe4
- 2.Qf6#
- 2.Qg7#
- 1...dxc4!
- 1...dxe4
- 1.Ke2?
- Keys
- 1.Rc6!
- 1...dxc4
- 2.Rxd6#
- 1...dxe4
- 2.Qh8#
- 1...dxc4
- 1.Rc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- P(b);SBLOCK,XS(C)::QAB(E)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- P(b);SBLOCK,XS(C)::QAB(E)
- Refutation
- P(b);XB(B)
- Try
- S(C);
- Threat
- DUALS(4)
- Vars
- P(b);XB(B)::QAB1(E)
- Refutation
- K(a);S_FLIGHT,XS(C)
- Try
- B(B);
- Vars
- P(b);OGATE,XS(C)::QAR1(E),XP(b)
- Refutation
- K(a);P-FLIGHT,XB(B)
- Try
- R(D);
- Vars
- P(b);SBLOCK,XS(C)::QAB(E)
- Refutation
- P(b);XB(B)
- Try
- Q(E);
- Threat
- QAR1(E),XP(b)
- Vars
- P(b);SBLOCK,XS(C)::QAB(E)
- Refutation
- P(b);XB(B)
- Try
- Q(E);
- Refutation
- P(b);XB(B)
- Try
- Actual
- R(D);
- Vars
- P(b);OGATEB,SBLOCK,XB(B)::R(D),XP(c)
- P(b);SBLOCK,XS(C)::QAB(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).