MESON Chess Problem Database
Problem Display
PID: 6848 (k5K1/2Q5/P7/3R4/8/1q3B2/8/8 w - - 0 1)
Palatz, Franz Ferdinand Ludwig
Die Schwalbe, 1934
#2
5 + 2
| 273 | Mat Plus | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Rxd1#
- 2.Rd8#
- 2.Qb7#
- 1...Qa2
- 2.Qb7#
- 1...Qc2
- 2.Rd8#
- 2.Qb7#
- 1...Qa4
- 2.Rd8#
- 2.Qb7#
- 1...Qc4
- 2.Qb7#
- 1...Qxd5+
- 2.Bxd5#
- 1...Qb1
- 2.Rd8#
- 1...Qb2
- 2.Rb5#
- 2.Rd8#
- 1...Qa3
- 2.Rd3#
- 2.Rd8#
- 2.Qb7#
- 1...Qc3
- 2.Rd8#
- 2.Qb7#
- 1...Qd3
- 2.Rxd3#
- 2.Rd8#
- 2.Qb7#
- 1...Qe3
- 2.Rd8#
- 2.Qb7#
- 1...Qxf3
- 2.Rd8#
- 2.Qb7#
- 1...Qb4
- 2.Rd8#
- 1...Qb5
- 2.Rxb5#
- 2.Rd8#
- 1...Qb6
- 2.Rd8#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8+
- 2.Rd8#
- 1...Qd1
- Tries
- 1.Kf7?
- 1...Qxd5+
- 2.Bxd5#
- 1...Qb7
- 2.Qxb7#
- 1...Qd1
- 2.Rxd1#
- 2.Rd8#
- 2.Qb7#
- 1...Qa2
- 2.Qb7#
- 1...Qc2
- 2.Rd8#
- 2.Qb7#
- 1...Qa4
- 2.Rd8#
- 2.Qb7#
- 1...Qc4
- 2.Qb7#
- 1...Qb1
- 2.Rd8#
- 1...Qb2
- 2.Rb5#
- 2.Rd8#
- 1...Qa3
- 2.Rd3#
- 2.Rd8#
- 2.Qb7#
- 1...Qc3
- 2.Rd8#
- 2.Qb7#
- 1...Qd3
- 2.Rxd3#
- 2.Rd8#
- 2.Qb7#
- 1...Qe3
- 2.Rd8#
- 2.Qb7#
- 1...Qb4
- 2.Rd8#
- 1...Qb5
- 2.Rxb5#
- 2.Rd8#
- 1...Qb6
- 2.Rd8#
- 1...Qb8
- 2.Rd8#
- 1...Qxf3+!
- 1...Qxd5+
- 1.Bh1?
- 1...Qxd5+
- 2.Bxd5#
- 1...Qb8+
- 2.Rd8#
- 1...Qb7
- 2.Qxb7#
- 1...Qd1
- 2.Rxd1#
- 2.Rd8#
- 2.Qb7#
- 1...Qa2
- 2.Qb7#
- 1...Qc2
- 2.Rd8#
- 2.Qb7#
- 1...Qa4
- 2.Rd8#
- 2.Qb7#
- 1...Qc4
- 2.Qb7#
- 1...Qb1
- 2.Rd8#
- 1...Qb2
- 2.Rd8#
- 1...Qa3
- 2.Rd3#
- 2.Rd8#
- 2.Qb7#
- 1...Qc3
- 2.Rd8#
- 2.Qb7#
- 1...Qd3
- 2.Rxd3#
- 2.Rd8#
- 2.Qb7#
- 1...Qe3
- 2.Rd8#
- 2.Qb7#
- 1...Qf3
- 2.Rd8#
- 2.Qb7#
- 1...Qh3
- 2.Rd8#
- 2.Qb7#
- 1...Qb4
- 2.Rd8#
- 1...Qb5
- 2.Rxb5#
- 2.Rd8#
- 1...Qb6
- 2.Rd8#
- 1...Qg3+!
- 1...Qxd5+
- 1.Bg2?
- 1...Qxd5+
- 2.Bxd5#
- 1...Qb8+
- 2.Rd8#
- 1...Qb7
- 2.Qxb7#
- 1...Qd1
- 2.Rxd1#
- 2.Rd8#
- 2.Qb7#
- 1...Qa2
- 2.Qb7#
- 1...Qc2
- 2.Rd8#
- 2.Qb7#
- 1...Qa4
- 2.Rd8#
- 2.Qb7#
- 1...Qc4
- 2.Qb7#
- 1...Qb1
- 2.Rd8#
- 1...Qb2
- 2.Rd8#
- 1...Qa3
- 2.Rd3#
- 2.Rd8#
- 2.Qb7#
- 1...Qc3
- 2.Rd8#
- 2.Qb7#
- 1...Qd3
- 2.Rxd3#
- 2.Rd8#
- 2.Qb7#
- 1...Qe3
- 2.Rd8#
- 2.Qb7#
- 1...Qf3
- 2.Rd8#
- 2.Qb7#
- 1...Qh3
- 2.Rd8#
- 2.Qb7#
- 1...Qb4
- 2.Rd8#
- 1...Qb5
- 2.Rxb5#
- 2.Rd8#
- 1...Qb6
- 2.Rd8#
- 1...Qg3+!
- 1...Qxd5+
- 1.Qb6?
- 1...Qxd5+
- 2.Bxd5#
- 1...Qxf3
- 2.Rd8#
- 2.Qb7#
- 1...Qd1
- 2.Rxd1#
- 2.Rd8#
- 2.Qb7#
- 1...Qa2
- 2.Qb7#
- 1...Qc2
- 2.Rd8#
- 2.Qb7#
- 1...Qa4
- 2.Rd8#
- 2.Qb7#
- 1...Qc4
- 2.Qb7#
- 1...Qb1
- 2.Rd3#
- 2.Rd8#
- 1...Qb2
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...Qa3
- 2.Rd3#
- 2.Rd8#
- 2.Qb7#
- 1...Qc3
- 2.Rd8#
- 2.Qb7#
- 1...Qd3
- 2.Rxd3#
- 2.Rd8#
- 2.Qb7#
- 1...Qe3
- 2.Rd8#
- 2.Qb7#
- 1...Qb4
- 2.Rd4#
- 2.Rd8#
- 1...Qb5
- 2.Rxb5#
- 2.Rd8#
- 1...Qxb6!
- 1...Qxd5+
- 1.Qd8+?
- 1...Qb8
- 2.Rd7#
- 1...Ka7!
- 1...Qb8
- 1.Qf7?
- threat
- 2.Rd8#
- 1...Kb8
- 2.Rd8#
- 1...Qb7
- 2.Qxb7#
- 1...Qxd5!
- threat
- 1.Qc8+?
- 1...Qb8
- 2.Rd7#
- 1...Ka7!
- 1...Qb8
- 1.a7?
- 1...Qxd5+
- 2.Bxd5#
- 1...Qb8+
- 2.Rd8#
- 2.Qxb8#
- 2.axb8Q#
- 2.axb8R#
- 1...Qxf3
- 2.Rd8#
- 2.Qb8#
- 1...Qd1
- 2.Rxd1#
- 2.Rd8#
- 2.Qb8#
- 1...Qa2
- 2.Qb8#
- 1...Qc2
- 2.Rd8#
- 2.Qb8#
- 1...Qa4
- 2.Rd8#
- 2.Qb8#
- 1...Qc4
- 2.Qb8#
- 1...Qb1
- 2.Rd8#
- 1...Qb2
- 2.Rb5#
- 2.Rd8#
- 1...Qa3
- 2.Rd3#
- 2.Rd8#
- 2.Qb8#
- 1...Qc3
- 2.Rd8#
- 2.Qb8#
- 1...Qd3
- 2.Rxd3#
- 2.Rd8#
- 2.Qb8#
- 1...Qe3
- 2.Rd8#
- 2.Qb8#
- 1...Qb4
- 2.Rd8#
- 1...Qb5
- 2.Rxb5#
- 2.Rd8#
- 1...Qb6
- 2.Rd8#
- 1...Qb7!
- 1...Qxd5+
- 1.Kf7?
- Keys
- 1.Be4!
- 1...Qxd5+
- 2.Bxd5#
- 1...Qg3+
- 2.Rg5#
- 1...Qb8+
- 2.Rd8#
- 1...Qb7
- 2.Qxb7#
- 1...Qd1
- 2.Rxd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd8#
- 2.Qb7#
- 1...Qa2
- 2.Qb7#
- 1...Qc2
- 2.Rd8#
- 2.Qb7#
- 1...Qa4
- 2.Rd8#
- 2.Qb7#
- 1...Qc4
- 2.Qb7#
- 1...Qb1
- 2.Rd8#
- 1...Qb2
- 2.Rb5#
- 2.Rd8#
- 1...Qa3
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 2.Qb7#
- 1...Qc3
- 2.Rc5#
- 2.Rd8#
- 2.Qb7#
- 1...Qd3
- 2.Rxd3#
- 2.Rd8#
- 2.Qb7#
- 1...Qe3
- 2.Rd8#
- 2.Qb7#
- 1...Qf3
- 2.Rd8#
- 2.Qb7#
- 1...Qh3
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 2.Qb7#
- 1...Qb4
- 2.Rd8#
- 1...Qb5
- 2.Rxb5#
- 2.Rd8#
- 1...Qb6
- 2.Rd8#
- 1...Qxd5+
- 1.Be4!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(a);N_GUARD::QAB1(D)
- Q(a);CHECK,OGATE,P_SPINQ(a),XR(B)::B(A),XQ(a)
- Q(a);N_PINR(B)::B(A)+R(B),DCHECK
- Q(a);N_GUARD,N_PINR(B)::QAB1(D),XQ(a)
- Q(a);CHECK,N_PINR(B)::B(A)+R(B)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XR(B)::B(A),XQ(a)
- Q(a);N_GUARD,N_PINR(B),P_PINQ(D)::QAB1(D),XQ(a)
- Q(a);N_GUARD::QAB1(D)
- Q(a);N_PINR(B)::B(A)+R(B),DCHECK
- Q(a);N_PINR(B)::B(A)+R(B)
- Refutation
- Q(a);CHECK,N_PINR(B),XB(A)
- Try
- B(A);
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XR(B)::B(A),XQ(a)
- Q(a);CHECK,N_PINR(B)::B(A)+R(B)
- Q(a);N_GUARD,N_PINR(B)::QAB1(D),XQ(a)
- Q(a);N_GUARD::QAB1(D)
- Q(a);N_PINR(B)::B(A)+R(B),DCHECK
- Refutation
- Q(a);CHECK,N_PINR(B)
- Try
- B(A);
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XR(B)::B(A),XQ(a)
- Q(a);CHECK,N_PINR(B)::B(A)+R(B)
- Q(a);N_GUARD,N_PINR(B)::QAB1(D),XQ(a)
- Q(a);N_GUARD::QAB1(D)
- Q(a);N_PINR(B)::B(A)+R(B),DCHECK
- Refutation
- Q(a);CHECK,N_PINR(B)
- Try
- Q(D);
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XR(B)::B(A),XQ(a)
- Q(a);N_GUARD::QAB1(D)
- Refutation
- Q(a);N_PINR(B),XQ(D)
- Try
- Q(D);CHECK
- Vars
- Q(a);N_PINR(B),P_PINQ(D),P_SPINQ(a)::B(A)+R(B)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(D);N_SPINR(B)
- Threat
- B(A)+R(B),DCHECK
- Vars
- K(b);P-FLIGHT::R(B)
- Q(a);N_GUARD::QAB1(D),XQ(a)
- Refutation
- Q(a);P_PINQ(D),P_SPINQ(a),XR(B)
- Try
- Q(D);CHECK
- Vars
- Q(a);N_PINR(B),P_PINQ(D),P_SPINQ(a)::B(A)+R(B)
- Refutation
- K(b);P-FLIGHT
- Try
- P(C);
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XR(B)::B(A),XQ(a)
- Q(a);N_GUARD::QAR1(D)
- Q(a);N_PINR(B)::B(A)+R(B),DCHECK
- Refutation
- Q(a);N_PINR(B)
- Try
- Actual
- B(A);
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XR(B)::B(A),XQ(a)
- Q(a);CHECK,N_PINR(B)::B(A)+R(B)
- Q(a);N_GUARD,N_PINR(B)::QAB1(D),XQ(a)
- Q(a);N_GUARD::QAB1(D)
- Q(a);N_PINR(B)::B(A)+R(B),DCHECK
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).