MESON Chess Problem Database
Problem Display
PID: 86565 (1N1k4/2pBnK2/8/8/8/5Q2/8/8 w - - 0 1)
Melnichenko, Viktor Oleksandrovich
Smena, 1993
#2
4 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Qa3?
- threat
- 2.Qxe7#
- 1...c5
- 2.Qa5#
- 1...c6
- 2.Qa5#
- 1...Sd5
- 2.Qf8#
- 1...Sf5
- 2.Qf8#
- 1...Sc6
- 2.Qf8#
- 1...Sc8
- 2.Qf8#
- 1...Sg8
- 2.Qf8#
- 1...Sg6!
- threat
- 1.Qe3?
- threat
- 2.Qxe7#
- 1...c6
- 2.Qb6#
- 1...Sd5
- 2.Qe8#
- 1...Sf5
- 2.Qe8#
- 1...Sc6
- 2.Qe8#
- 1...Sg6
- 2.Qe8#
- 1...Sc8
- 2.Qe8#
- 1...Sg8
- 2.Qe8#
- 1...c5!
- threat
- 1.Qf6?
- threat
- 2.Qxe7#
- 1...c5
- 2.Qb6#
- 1...c6!
- threat
- 1.Qa3?
- Keys
- 1.Qb7!
- 1...Sd5
- 2.Qc8#
- 1...Sf5
- 2.Qc8#
- 1...Sc6
- 2.Qc8#
- 1...Sg6
- 2.Qc8#
- 1...Sc8
- 2.Qxc8#
- 1...Sg8
- 2.Qc8#
- 1...c5
- 2.Qb6#
- 1...c6
- 2.Qb6#
- 1...Sd5
- 1.Qb7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);
- Threat
- QAB1(A),XS(b)
- Vars
- P(a);OGATEB::QAB(A)
- S(b);OGATE::QAR2(A)
- Refutation
- S(b);
- Try
- Q(A);
- Threat
- QAB1(A),XS(b)
- Vars
- P(a);OGATEB::QAB(A)
- S(b);OGATE::QAR1(A)
- Refutation
- P(a);
- Try
- Q(A);P_PINS(b)
- Threat
- QAB1(A),XS(b)
- Vars
- P(a);OGATEB::QAB(A)
- Refutation
- P(a);
- Try
- Actual
- Q(A);
- Vars
- S(b);N_GUARD::QAR1(A)
- S(b);N_GUARD::QAR1(A),XS(b)
- P(a);OGATEB::QAB(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).