MESON Chess Problem Database
Problem Display
PID: 172255 (8/6Q1/2n5/8/p2P4/k7/P7/1K6 w - - 0 1)
Andreev, Aleksandr Grigorevich
Kubanski krai, 1996
#2
4 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sxd4
- 2.Qf8#
- 2.Qe7#
- 1...Sa5
- 2.Qf8#
- 2.Qe7#
- 1...Se5
- 2.Qf8#
- 2.Qe7#
- 1...Sa7
- 2.Qf8#
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...Sb8
- 2.Qf8#
- 2.Qe7#
- 1...Sd8
- 2.Qf8#
- 2.Qe7#
- 1...Sxd4
- Tries
- 1.Qh6?
- 1...Sxd4
- 2.Qf8#
- 2.Qd6#
- 1...Sb4
- 2.Qc1#
- 1...Sa5
- 2.Qf8#
- 2.Qd6#
- 1...Se5
- 2.Qf8#
- 2.Qd6#
- 1...Sa7
- 2.Qf8#
- 2.Qd6#
- 1...Se7
- 2.Qd6#
- 1...Sb8
- 2.Qf8#
- 2.Qd6#
- 1...Sd8
- 2.Qf8#
- 2.Qd6#
- 1...Kb4!
- 1...Sxd4
- 1.Qf8+?
- 1...Se7
- 2.Qxe7#
- 1...Sb4!
- 1...Se7
- 1.Qc7?
- 1...Sxd4
- 2.Qd6#
- 2.Qc5#
- 2.Qe7#
- 1...Sb4
- 2.Qc1#
- 2.Qc3#
- 1...Sa5
- 2.Qd6#
- 2.Qc5#
- 2.Qe7#
- 1...Se5
- 2.Qd6#
- 2.Qc3#
- 2.Qc5#
- 2.Qe7#
- 1...Sa7
- 2.Qd6#
- 2.Qc3#
- 2.Qc5#
- 2.Qe7#
- 1...Se7
- 2.Qd6#
- 2.Qc3#
- 2.Qc5#
- 2.Qxe7#
- 1...Sb8
- 2.Qd6#
- 2.Qc3#
- 2.Qc5#
- 2.Qe7#
- 1...Sd8
- 2.Qd6#
- 2.Qc3#
- 2.Qc5#
- 2.Qe7#
- 1...Kb4!
- 1...Sxd4
- 1.d5?
- threat
- 2.Qb2#
- 2.Qc3#
- 1...Sd4
- 2.Qf8#
- 2.Qe7#
- 1...Sa5
- 2.Qb2#
- 2.Qf8#
- 2.Qe7#
- 1...Se5
- 2.Qf8#
- 2.Qe7#
- 1...Kb4!
- threat
- 1.Qh6?
- Keys
- 1.Qg5!
- 1...Kb4
- 2.Qc5#
- 1...Sxd4
- 2.Qe7#
- 2.Qc5#
- 1...Sb4
- 2.Qc1#
- 1...Sa5
- 2.Qe7#
- 2.Qc5#
- 1...Se5
- 2.Qe7#
- 1...Sa7
- 2.Qe7#
- 2.Qc5#
- 1...Se7
- 2.Qxe7#
- 2.Qc5#
- 1...Sb8
- 2.Qe7#
- 2.Qc5#
- 1...Sd8
- 2.Qe7#
- 2.Qc5#
- 1...Kb4
- 1.Qg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- S(c);N_GUARD::QAB(D),XS(c)
- Tries
- Try
- Q(D);
- Vars
- S(c);SBLOCK::QAB(D)
- S(c);N_GUARD::QAB(D)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAB(D),XS(c)
- Refutation
- S(c);P_SPINS(c)
- Try
- Q(D);
- Refutation
- K(a);S_FLIGHT
- Try
- P(C);
- Threat
- DUALS(2)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- Q(D);
- Vars
- K(a);S_FLIGHT::QAB1(D)
- S(c);SBLOCK::QAB(D)
- S(c);N_GUARD::QAB(D)
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).