MESON Chess Problem Database
Problem Display
PID: 1161 (8/2p2NK1/5N2/1Q1P1k2/q4p1P/8/1n1P2PB/2b3n1 w - - 0 1)
Shire, David J
Problem Observer, 1994
#2
9 + 7
| 102 | Probleemblad | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Qd7#
- 1...Qc2
- 2.Qd7#
- 1...Qb3
- 2.Qd7#
- 1...Qa1
- 2.Qd7#
- 1...Qa2
- 2.Qd7#
- 1...Qa3
- 2.Qd7#
- 1...Qb4
- 2.Qd7#
- 1...Qc4
- 2.Qd7#
- 1...Qd4
- 2.Qd7#
- 1...Qa5
- 2.Qd7#
- 1...Qa7
- 2.Qd7#
- 1...Qa8
- 2.Qd7#
- 1...f3
- 2.Sh6#
- 1...Qd1
- Tries
- 1.Qf1?
- threat
- 2.g4#
- 1...Qd1
- 2.Qxf4#
- 1...f3
- 2.Sh6#
- 1...Sf3!
- threat
- 1.Qe2?
- threat
- 2.Sh6#
- 2.Qg4#
- 2.Qh5#
- 2.Qe5#
- 2.Qe6#
- 1...Qd1
- 2.Sh6#
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 1...Qc6
- 2.Sh6#
- 2.Qg4#
- 2.Qh5#
- 2.Qe4#
- 2.Qe5#
- 1...Qd7
- 2.Qg4#
- 2.Qh5#
- 2.Qe4#
- 2.Qe5#
- 1...Qe8
- 2.Sh6#
- 2.Qg4#
- 2.Qh5#
- 1...Qd4
- 2.Sh6#
- 2.Qg4#
- 2.Qh5#
- 2.Qe6#
- 1...Qe4
- 2.Qg4#
- 2.Qh5#
- 2.Qxe4#
- 1...Qa6
- 2.Sh6#
- 2.Qg4#
- 2.Qh5#
- 2.Qe4#
- 2.Qe5#
- 1...Sf3
- 2.Sh6#
- 2.Qe6#
- 1...Sh3
- 2.Sh6#
- 2.Qg4#
- 2.Qe5#
- 2.Qe6#
- 1...Sd3
- 2.Sh6#
- 2.Qg4#
- 2.Qh5#
- 2.Qe6#
- 1...Sc4
- 2.Sh6#
- 2.Qd3#
- 2.Qg4#
- 2.Qh5#
- 2.Qe4#
- 2.Qe6#
- 1...f3
- 2.Sh6#
- 2.Qe5#
- 2.Qe6#
- 1...Sxe2!
- threat
- 1.Qd3+?
- 1...Qe4
- 2.Qxe4#
- 1...Sxd3!
- 1...Qe4
- 1.Qxa4?
- threat
- 2.Qd7#
- 2.Qe4#
- 2.Qxf4#
- 1...Bxd2
- 2.Qd7#
- 2.Qe4#
- 1...Se2
- 2.Qd7#
- 2.Qe4#
- 1...Sh3
- 2.Qd7#
- 2.Qe4#
- 1...Sd3
- 2.Qd7#
- 2.Qe4#
- 1...Sc4
- 2.Qc2#
- 2.Qd7#
- 1...f3
- 2.Sh6#
- 2.Qd7#
- 2.Qe4#
- 2.Qf4#
- 2.Qg4#
- 2.g4#
- 1...c6
- 2.Qe4#
- 2.Qxf4#
- 1...Sxa4!
- threat
- 1.Qe8?
- threat
- 2.Sh6#
- 2.Qe5#
- 2.Qe6#
- 1...Qc6
- 2.Sh6#
- 2.Qe4#
- 2.Qe5#
- 1...Qd7
- 2.Qxd7#
- 2.Qe4#
- 2.Qe5#
- 1...Qd4
- 2.Sh6#
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Qe4
- 2.Sh6#
- 2.Qxe4#
- 1...Qa6
- 2.Sh6#
- 2.Qe4#
- 2.Qe5#
- 1...Sf3
- 2.Sh6#
- 2.Qe6#
- 1...Sd3
- 2.Sh6#
- 2.Qe6#
- 1...Sc4
- 2.Sh6#
- 2.Qe4#
- 2.Qe6#
- 1...Qxe8!
- threat
- 1.Qf1?
- Keys
- 1.d4!
- threat
- 2.Sh6#
- 1...Qxd4
- 2.Qd7#
- 1...f3
- 2.g4#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- Q(d);N_GUARD::QAB(E)
- Q(d);N_GUARD,P_PINS(G)::QAB(E)
- P(e);::S(H)
- Tries
- Try
- Q(E);P_PINP(e)
- Threat
- P(B)
- Vars
- Q(d);N_GUARD::QAR1(E),XP(e)
- P(e);::S(H)
- Refutation
- S(b);N_SPINP(e)
- Try
- Q(E);
- Threat
- DUALS(5)
- Refutation
- S(b);XQ(E)
- Try
- Q(E);CHECK
- Vars
- Q(d);N_GUARD,P_SPINQ(d)::QAB1(E),XQ(d)
- Refutation
- S(c);XQ(E)
- Try
- Q(E);XQ(d)
- Threat
- DUALS(3)
- Refutation
- S(c);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(3)
- Refutation
- Q(d);XQ(E)
- Try
- Actual
- P(A);
- Threat
- S(H)
- Vars
- Q(d);N_GUARD,P_PINS(G),XP(A)::QAB(E)
- P(e);N_GUARD::P(B)
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).