MESON Chess Problem Database
Problem Display
PID: 124427 (k6q/8/K1R2p2/8/8/8/8/3Q4 w - - 0 1)
Vogel, Peter
Source?, 0000
#2
3 + 3
| 5454 | Near Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qg7
- 2.Rc8#
- 2.Qd8#
- 1...Qh1
- 2.Rc8#
- 2.Qd8#
- 1...Qh4
- 2.Rc8#
- 2.Qd8#
- 1...Qh5
- 2.Rc8#
- 2.Qd8#
- 1...Qh6
- 2.Rc8#
- 2.Qd8#
- 1...Qh7
- 2.Rc8#
- 2.Qd8#
- 1...Qc8+
- 2.Rxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qg7
- Tries
- 1.Qb3?
- threat
- 2.Qb7#
- 1...Qc8+
- 2.Rxc8#
- 1...Qg7
- 2.Rc8#
- 1...Qh7
- 2.Rc8#
- 1...Qb8!
- threat
- 1.Qf3?
- threat
- 2.Rb6#
- 2.Rc8#
- 1...Qc8+
- 2.Rxc8#
- 1...Qg7
- 2.Rc8#
- 1...Qh1
- 2.Rc8#
- 1...Qh3
- 2.Rc8#
- 1...Qh4
- 2.Rc8#
- 1...Qh5
- 2.Rc8#
- 1...Qh7
- 2.Rc8#
- 1...Qb8
- 2.Rc8#
- 1...Qd8
- 2.Rc8#
- 1...Qe8
- 2.Rc8#
- 1...Qg8
- 2.Rc8#
- 1...Kb8!
- threat
- 1.Qb1?
- threat
- 2.Qb7#
- 1...Qc8+
- 2.Rxc8#
- 1...Qg7
- 2.Rc8#
- 1...Qh7
- 2.Rc8#
- 1...Qb8!
- threat
- 1.Qg1?
- threat
- 2.Qa7#
- 1...Qc8+
- 2.Rxc8#
- 1...Kb8
- 2.Qa7#
- 1...Qg7
- 2.Rc8#
- 1...Qh7
- 2.Rc8#
- 1...Qb8!
- threat
- 1.Qd4?
- threat
- 2.Qa7#
- 1...Qc8+
- 2.Rxc8#
- 1...Kb8
- 2.Qa7#
- 1...Qg7
- 2.Rc8#
- 2.Qd8#
- 1...Qh7
- 2.Rc8#
- 2.Qd8#
- 1...Qb8!
- threat
- 1.Qd5?
- threat
- 2.Rb6#
- 2.Rc8#
- 1...Qc8+
- 2.Rxc8#
- 1...Qg7
- 2.Rc8#
- 2.Qd8#
- 1...Qh1
- 2.Rc8#
- 2.Qg8#
- 2.Qd8#
- 1...Qh5
- 2.Rc8#
- 2.Qd8#
- 1...Qh7
- 2.Rc8#
- 2.Qd8#
- 1...Qb8
- 2.Rc8#
- 1...Qd8
- 2.Rc8#
- 2.Qxd8#
- 1...Qe8
- 2.Rc8#
- 1...Qg8
- 2.Rc8#
- 2.Qxg8#
- 1...Kb8!
- threat
- 1.Qd7?
- threat
- 2.Qa7#
- 2.Qb7#
- 1...Qc8+
- 2.Rxc8#
- 2.Qxc8#
- 1...Kb8
- 2.Qa7#
- 2.Qb7#
- 1...Qg7
- 2.Rc8#
- 2.Qc8#
- 2.Qe8#
- 2.Qd8#
- 1...Qh7
- 2.Rc8#
- 2.Qc8#
- 2.Qe8#
- 2.Qd8#
- 1...Qb8!
- threat
- 1.Qb3?
- Keys
- 1.Qh1!
- threat
- 2.Rc8#
- 2.Qxh8#
- 1...Qc8+
- 2.Rxc8#
- 1...Kb8
- 2.Qxh8#
- 1...Qxh1
- 2.Rc8#
- 1...Qh2
- 2.Rc8#
- 1...Qg7
- 2.Rc8#
- 1...Qh3
- 2.Rc8#
- 1...Qh4
- 2.Rc8#
- 1...Qh5
- 2.Rc8#
- 1...Qh6
- 2.Rc8#
- 1...Qh7
- 2.Rc8#
- 1...Qb8
- 2.Rc8#
- 1...Qd8
- 2.Rc8#
- 1...Qe8
- 2.Rc8#
- 1...Qf8
- 2.Rb6#
- 2.Rc8#
- 1...Qg8
- 2.Rc8#
- threat
- 1.Qh1!
This anticipates 18204(1954)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- Q(c);CHECK,N_GUARD::R(C),XQ(c)
- Q(c);N_GUARD::QAR(A),XQ(c)
- Tries
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- Q(c);CHECK,N_GUARD::R(C),XQ(c)
- Q(c);N_GUARD::R(C)
- Q(c);N_GUARD,SBLOCK::R(C)
- Refutation
- Q(c);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK::QAB(A)+R(C),DCHECK,XQ(c)
- Q(c);::QAB(A)+R(C),DCHECK
- Q(c);SBLOCK::QAB(A)+R(C),DCHECK
- Q(c);::QAB(A)+R(C)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- Q(c);CHECK,N_GUARD::R(C),XQ(c)
- Q(c);N_GUARD::R(C)
- Refutation
- Q(c);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- Q(c);CHECK,N_GUARD::R(C),XQ(c)
- K(b);P-FLIGHT::QAB1(A)
- Q(c);N_GUARD::R(C)
- Q(c);N_GUARD,SBLOCK::R(C)
- Refutation
- Q(c);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- Q(c);CHECK,N_GUARD::R(C),XQ(c)
- K(b);P-FLIGHT::QAB1(A)
- Refutation
- Q(c);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK::QAB(A)+R(C),DCHECK,XQ(c)
- Q(c);::QAB(A)+R(C)
- Q(c);::QAB(A)+R(C),DCHECK
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- Q(c);
- Try
- Actual
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK::QAB(A)+R(C),DCHECK,XQ(c)
- K(b);P-FLIGHT::QAR(A),XQ(c)
- Q(c);XQ(A)::R(C)
- Q(c);::QAB(A)+R(C),DCHECK
- Q(c);::QAB(A)+R(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).