MESON Chess Problem Database
Problem Display
PID: 143331 (k1K5/b5p1/8/3R4/6p1/5R2/1n4B1/1Q5q w - - 0 1)
Lipton, Michael
Die Schwalbe, 2013
#2
5 + 6
| 56 | The Problemist | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Qb7#
- 1...Sd3
- 2.Qb7#
- 1...Sa4
- 2.Qb7#
- 1...Sc4
- 2.Qb7#
- 1...Sd1
- Tries
- 1.Rd2?
- threat
- 2.Qe4#
- 1...Qc1+
- 2.Rc3#
- 1...Qh8+
- 2.Rf8#
- 1...Qxb1
- 2.Rfd3#
- 1...Bg1
- 2.Ra3#
- 1...Bf2
- 2.Ra3#
- 1...Bd4
- 2.Ra3#
- 1...Bc5
- 2.Ra3#
- 1...Bb6
- 2.Ra3#
- 1...Bb8
- 2.Ra3#
- 1...Qe1
- 2.Re3#
- 1...Qh5
- 2.Rf5#
- 1...Qh6
- 2.Rf6#
- 1...Qh7
- 2.Rf5#
- 1...Sd3
- 2.Qb7#
- 1...Be3!
- threat
- 1.Ra5?
- threat
- 2.Qe4#
- 1...Qc1+
- 2.Rc3#
- 1...Qh8+
- 2.Rf8#
- 1...Qxb1
- 2.Rd3#
- 1...Qe1
- 2.Re3#
- 1...Qh5
- 2.Rff5#
- 1...Qh6
- 2.Rf6#
- 1...Qh7
- 2.Rff5#
- 1...Sd3
- 2.Qb7#
- 2.Qb8#
- 1...Qd1!
- threat
- 1.Rc5?
- threat
- 2.Qe4#
- 1...Qh8+
- 2.Rf8#
- 1...Qxb1
- 2.Rd3#
- 1...Bxc5
- 2.Ra3#
- 1...Bb6
- 2.Ra3#
- 1...Bb8
- 2.Ra3#
- 1...Qe1
- 2.Re3#
- 1...Qh5
- 2.Rff5#
- 1...Qh6
- 2.Rf6#
- 1...Qh7
- 2.Rff5#
- 1...Sd3
- 2.Qb7#
- 1...Qd1!
- threat
- 1.Rd7?
- threat
- 2.Qe4#
- 1...Qc1+
- 2.Rc3#
- 1...Qh8+
- 2.Rf8#
- 1...Qxb1
- 2.Rfd3#
- 1...Qe1
- 2.Re3#
- 1...Qh5
- 2.Rf5#
- 1...Qh6
- 2.Rf6#
- 1...Qh7
- 2.Rf5#
- 1...Sd3
- 2.Qb7#
- 1...Qd1!
- threat
- 1.Qe4?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rdd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rdf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...Qc1+
- 2.Rc5#
- 1...Qh8+
- 2.Rd8#
- 1...Bg1
- 2.Ra5#
- 2.Rd7#
- 1...Bf2
- 2.Ra5#
- 2.Rd7#
- 1...Be3
- 2.Ra5#
- 2.Rd7#
- 1...Bd4
- 2.Ra5#
- 2.Rd7#
- 1...Bc5
- 2.Rd7#
- 1...Bb6
- 2.Ra5#
- 2.Rd7#
- 1...Bb8
- 2.Ra5#
- 2.Rd7#
- 1...Qd1
- 2.Rxd1#
- 2.Rd2#
- 2.Rdd3#
- 2.Rd4#
- 1...Qb1
- 2.Rdd3#
- 1...Qh5
- 2.Re5#
- 2.Rdf5#
- 2.Rg5#
- 2.Rxh5#
- 1...Qh6
- 2.Rd6#
- 1...Qh7
- 2.Rdf5#
- 1...Sd1
- 2.Rxd1#
- 2.Rd2#
- 2.Rdd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rdf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...Sd3
- 2.Rdxd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rdf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...g5
- 2.Rd1#
- 2.Rd2#
- 2.Rdd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rdf5#
- 2.Rxg5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...Qe1!
- threat
- 1.Rd2?
- Keys
- 1.Rd4!
- threat
- 2.Qe4#
- 1...Qc1+
- 2.Rc3#
- 1...Qh8+
- 2.Rf8#
- 1...Qxb1
- 2.Rfd3#
- 1...Bxd4
- 2.Ra3#
- 1...Bc5
- 2.Ra3#
- 1...Bb6
- 2.Ra3#
- 1...Bb8
- 2.Ra3#
- 1...Qe1
- 2.Re3#
- 1...Qh5
- 2.Rf5#
- 1...Qh6
- 2.Rf6#
- 1...Qh7
- 2.Rf5#
- 1...Sd3
- 2.Qb7#
- threat
- 1.Rd4!
This is a version of 143330
There are these versions: 143333
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 3
- Sets
- S(b);OGATE::QAB1(A)
- Tries
- Try
- R(D);
- Threat
- QAB(A)
- Vars
- Q(a);CHECK,N_GUARD::B(B)+R(C)
- Q(a);N_GUARD,XQ(A)::B(B)+R(C)
- B(d);::B(B)+R(C),DCHECK
- Q(a);N_GUARD::B(B)+R(C)
- Q(a);N_GUARD,SBLOCK::B(B)+R(C)
- S(b);OGATE::QAB1(A)
- Refutation
- B(d);
- Try
- R(D);P_PINB(d)
- Threat
- QAB(A)
- Vars
- Q(a);CHECK,N_GUARD::B(B)+R(C)
- Q(a);N_GUARD,XQ(A)::B(B)+R(C)
- Q(a);N_GUARD::B(B)+R(C)
- Q(a);N_GUARD,SBLOCK::B(B)+R(C)
- Refutation
- Q(a);
- Try
- R(D);
- Threat
- QAB(A)
- Vars
- Q(a);CHECK,N_GUARD::B(B)+R(C)
- Q(a);N_GUARD,XQ(A)::B(B)+R(C)
- B(d);XR(D)::B(B)+R(C),DCHECK
- B(d);::B(B)+R(C),DCHECK
- Q(a);N_GUARD::B(B)+R(C)
- Q(a);N_GUARD,SBLOCK::B(B)+R(C)
- S(b);OGATE::QAB1(A)
- Refutation
- Q(a);
- Try
- R(D);
- Threat
- QAB(A)
- Vars
- Q(a);CHECK,N_GUARD::B(B)+R(C)
- Q(a);N_GUARD,XQ(A)::B(B)+R(C)
- Q(a);N_GUARD::B(B)+R(C)
- Q(a);N_GUARD,SBLOCK::B(B)+R(C)
- S(b);OGATE::QAB1(A)
- Refutation
- Q(a);
- Try
- Q(A);
- Threat
- DUALS(14)
- Vars
- Q(a);CHECK::QAB(A)+R(D)
- B(d);::QAB(A)+R(D)
- Q(a);::QAB(A)+R(D)
- Q(a);SBLOCK::QAB(A)+R(D)
- Refutation
- Q(a);
- Try
- Actual
- R(D);
- Threat
- QAB(A)
- Vars
- Q(a);CHECK,N_GUARD::B(B)+R(C)
- Q(a);N_GUARD,XQ(A)::B(B)+R(C)
- B(d);XR(D)::B(B)+R(C),DCHECK
- B(d);::B(B)+R(C),DCHECK
- Q(a);N_GUARD::B(B)+R(C)
- Q(a);N_GUARD,SBLOCK::B(B)+R(C)
- S(b);OGATE::QAB1(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).