MESON Chess Problem Database
Problem Display
PID: 120021 (4Q3/Kp6/pP4pp/P4N1k/5R1P/2q5/4P3/5n2 w - - 0 1)
Burmeister, Albert M
Duna Zeitung, 1903
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sg7#
- 1...Qd2
- 2.Sg7#
- 1...Qb4
- 2.Sg7#
- 1...Qxa5
- 2.Sg7#
- 1...Qg7
- 2.Sxg7#
- 1...Qc1
- 2.Sg7#
- 1...Qc2
- 2.Sg7#
- 1...Qa3
- 2.Sg7#
- 1...Qb3
- 2.Sg7#
- 1...Qd3
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qf3
- 2.Sg7#
- 1...Qg3
- 2.Sg7#
- 1...Qh3
- 2.Sg7#
- 1...Qc4
- 2.Sg7#
- 1...Qc5
- 2.Sg7#
- 1...Qc6
- 2.Sg7#
- 1...Qc8
- 2.Sg7#
- 1...Se3
- 2.Sg3#
- 1...Qe1
- Tries
- 1.Qb5?
- threat
- 2.Sg3#
- 2.Sg7#
- 1...gxf5
- 2.Qe8#
- 2.Qxf5#
- 1...g5
- 2.Qe8#
- 1...Qe5
- 2.Sg7#
- 1...Qg7
- 2.Sg3#
- 2.Sxg7#
- 1...Qg3
- 2.Sxg3#
- 2.Sg7#
- 1...Qc5
- 2.Sg7#
- 1...Sg3
- 2.Sxg3#
- 2.Sg7#
- 1...axb5!
- threat
- 1.Qe5?
- threat
- 2.Sg3#
- 2.Sg7#
- 1...gxf5
- 2.Qxf5#
- 2.Qe8#
- 1...g5
- 2.Qe8#
- 1...Qg3
- 2.Sxg3#
- 2.Sg7#
- 1...Sg3
- 2.Sxg3#
- 2.Sg7#
- 1...Qxe5!
- threat
- 1.Qf8?
- threat
- 2.Qxh6#
- 1...gxf5
- 2.Qxf5#
- 2.Qf7#
- 2.Qe8#
- 1...Qg7
- 2.Sxg7#
- 1...Qh8!
- threat
- 1.Qh8?
- threat
- 2.Qxh6#
- 1...gxf5
- 2.Qe8#
- 1...Qg7
- 2.Sxg7#
- 1...Qxh8!
- threat
- 1.Qb5?
- Keys
- 1.Qe3!
- 1...Qxa5
- 2.Sg7#
- 2.Qf3#
- 1...Qxe3
- 2.Sg7#
- 1...Sxe3
- 2.Sg3#
- 1...gxf5
- 2.Qe8#
- 1...g5
- 2.Qe8#
- 1...Qa1
- 2.Qf3#
- 1...Qe1
- 2.Sg7#
- 2.Qf3#
- 1...Qb2
- 2.Qf3#
- 1...Qd2
- 2.Sg7#
- 2.Qf3#
- 1...Qb4
- 2.Sg7#
- 2.Qf3#
- 1...Qd4
- 2.Qf3#
- 1...Qe5
- 2.Qf3#
- 1...Qf6
- 2.Qf3#
- 1...Qg7
- 2.Sxg7#
- 2.Qf3#
- 1...Qh8
- 2.Qf3#
- 1...Qc1
- 2.Sg7#
- 2.Qf3#
- 1...Qc2
- 2.Sg7#
- 2.Qf3#
- 1...Qa3
- 2.Sg7#
- 1...Qb3
- 2.Sg7#
- 1...Qd3
- 2.Sg7#
- 1...Qc4
- 2.Sg7#
- 2.Qf3#
- 1...Qc5
- 2.Sg7#
- 2.Qf3#
- 1...Qc6
- 2.Sg7#
- 1...Qc7
- 2.Qf3#
- 1...Qc8
- 2.Sg7#
- 2.Qf3#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Qxa5
- 1.Qe3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 13
- Sets
- Q(b);N_GUARD::S(E)
- Q(b);N_GUARD,SBLOCK,XP(D)::S(E)
- Q(b);N_GUARD::S(E),XQ(b)
- Q(b);N_GUARD,P_PINP(F)::S(E)
- S(a);N_GUARD,S_CUTQ(b)::S(E)
- Tries
- Try
- Q(H);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- P(e);OGATEB::QAB(H)
- Q(b);::S(E)
- Q(b);P_PINP(F)::S(E)
- Refutation
- P(d);XQ(H)
- Try
- Q(H);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- P(e);OGATEB::QAB(H)
- Refutation
- Q(b);XQ(H)
- Try
- Q(H);N_PINP(e)
- Threat
- QAR1(H),XP(f)
- Vars
- Q(b);N_GUARD::S(E),XQ(b)
- Refutation
- Q(b);
- Try
- Q(H);N_PINP(e),P_PINP(f)
- Threat
- QAR1(H),XP(f)
- Vars
- P(e);OGATEB,XS(E)::QAB(H)
- Q(b);N_GUARD::S(E),XQ(b)
- Refutation
- Q(b);N_SPINP(f),XQ(H)
- Try
- Actual
- Q(H);N_PINP(e)
- Vars
- Q(b);N_GUARD,P_PINP(F),XQ(H)::S(E)
- S(a);N_GUARD,XQ(H)::S(E)
- P(e);OGATEB,XS(E)::QAB(H)
- P(e);OGATEB::QAB(H)
- Q(b);N_GUARD::QAB(H)
- Q(b);N_GUARD,P_PINP(F)::QAB(H)
- Q(b);N_GUARD::S(E)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(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).