MESON Chess Problem Database
Problem Display
PID: 180510 (8/1P1p4/1n1PPR2/4kP1N/3R4/3K4/4P3/8 w - - 0 1)
Lider, Valentin Viktorovich
Pedagogusok Lapja, 1982
#2
9 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Tries
- 1.e7?
- threat
- 2.e8Q#
- 2.e8R#
- 1...Sa4
- 2.e8Q#
- 2.e8R#
- 1...Sc4
- 2.e8Q#
- 2.e8R#
- 1...Sd5
- 2.Re4#
- 1...Sa8
- 2.e8Q#
- 2.e8R#
- 1...Sc8!
- threat
- 1.b8Q?
- 1...dxe6
- 2.d7#
- 1...Sc4
- 2.Qb5#
- 1...Sd5
- 2.Re4#
- 1...Sa8
- 2.Qb5#
- 1...Sc8
- 2.Qb5#
- 1...Sa4!
- 1...dxe6
- 1.b8S?
- 1...dxe6
- 2.Sc6#
- 1...Sa4
- 2.Sxd7#
- 1...Sc4
- 2.Sxd7#
- 1...Sa8
- 2.Sxd7#
- 1...Sc8
- 2.Sxd7#
- 1...Sd5!
- 1...dxe6
- 1.e7?
- Keys
- 1.e4!
- 1...dxe6
- 2.Rxe6#
- 1...Sd5
- 2.Rxd5#
- 1...Sa4
- 2.Rd5#
- 1...Sc4
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...dxe6
- 1.e4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Tries
- Try
- P(G);
- Threat
- P=Q
- Vars
- S(b);::P=Q
- S(b);SBLOCK::R1(C)
- Refutation
- S(b);
- Try
- P(I);
- Vars
- P(c);OGATE,XP(G)::QAB(I)+P(F)
- S(b);OGATE::QAR(I)
- S(b);SBLOCK::R1(C)
- Refutation
- S(b);
- Try
- P(I);
- Vars
- P(c);N_GUARD,XP(G)::S(I)
- S(b);N_GUARD::S(I),XP(c)
- Refutation
- S(b);
- Try
- Actual
- P(A);
- Vars
- P(c);OGATE,XP(G)::R1(H),XP(c)
- S(b);N_GUARD::R1(C),XS(b)
- S(b);N_GUARD::R1(C)
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).