MESON Chess Problem Database
Problem Display
PID: 161490 (1n2B1N1/1KP3qp/1p1kb2R/3n4/5P2/pN1R1p2/r7/b1Q5 w - - 0 1)
Albrecht, Hermann
Welt im Bild, 1936
(First published on Sun Jun 21 1936)
#2
9 + 11
| 15601 | Albrecht-Leiss-Degener Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qd4
- 2.c8S#
- 1...Qe5
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qf6
- 2.cxb8Q#
- 2.cxb8B#
- 1...Qxh6
- 2.cxb8Q#
- 2.cxb8B#
- 1...Qf8
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qh8
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qg1
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qg2
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qg3
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qg4
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qg5
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qg6
- 2.cxb8Q#
- 2.cxb8B#
- 1...Qxc7+
- 2.Qxc7#
- 1...Qxg8
- 2.c8S#
- 1...Rd2
- 2.Qxa3#
- 1...Re2
- 2.Qxa3#
- 1...Rf2
- 2.Qxa3#
- 1...Rg2
- 2.Qxa3#
- 1...Rh2
- 2.Qxa3#
- 1...Sa6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- 2.c8S#
- 1...b5
- 2.Qc5#
- 1...Qb2
- Tries
- 1.Qe1?
- threat
- 2.Rxe6#
- 2.Qb4#
- 2.Qxe6#
- 1...Qxh6
- 2.Qb4#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Qxg8
- 2.Qb4#
- 2.c8S#
- 1...Qc3
- 2.Rxe6#
- 2.Qxe6#
- 1...Qd4
- 2.Rxe6#
- 2.Qxe6#
- 2.c8S#
- 1...Qe5
- 2.Qb4#
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qf6
- 2.Qb4#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Qg1
- 2.Rxe6#
- 2.Qxe6#
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qg4
- 2.Qb4#
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qg6
- 2.Qb4#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Qd7
- 2.Qb4#
- 1...Qe7
- 2.Qb4#
- 1...Qf7
- 2.Qb4#
- 1...Rc2
- 2.Rxe6#
- 2.Qxe6#
- 1...Rd2
- 2.Rxe6#
- 2.Qxe6#
- 1...Re2
- 2.Qb4#
- 1...Bc3
- 2.Rxe6#
- 2.Qxe6#
- 1...Bd4
- 2.Rxe6#
- 2.Qxe6#
- 1...Be5
- 2.Qb4#
- 1...Bf6
- 2.Qb4#
- 1...Sa6
- 2.Rxe6#
- 2.Qxe6#
- 1...Sc6
- 2.Rxe6#
- 2.Qxe6#
- 1...Sd7
- 2.Rxe6#
- 2.Qxe6#
- 2.c8S#
- 1...Qxc7+!
- threat
- 1.Qc4?
- threat
- 2.Rxd5#
- 2.Qxd5#
- 2.Qb4#
- 1...Qxc7+
- 2.Qxc7#
- 1...Qxh6
- 2.Qb4#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Qxg8
- 2.Qb4#
- 2.c8S#
- 1...Qc3
- 2.Rxd5#
- 2.Qxd5#
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qd4
- 2.c8S#
- 1...Qe5
- 2.Qb4#
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qf6
- 2.Qb4#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Qg1
- 2.Rxd5#
- 2.Qxd5#
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qg5
- 2.Qb4#
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qg6
- 2.Qb4#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rc2
- 2.Rxd5#
- 2.Qxd5#
- 1...Rd2
- 2.Qxd5#
- 2.Qb4#
- 1...Bc3
- 2.Rxd5#
- 2.Qxd5#
- 1...Bf6
- 2.Qb4#
- 1...Sa6
- 2.Rxd5#
- 2.Qxd5#
- 2.Qc6#
- 1...Sc6
- 2.Rxd5#
- 2.Qxd5#
- 2.Qxc6#
- 1...Sd7
- 2.Rxd5#
- 2.Qxd5#
- 2.Qc6#
- 2.c8S#
- 1...Bd4!
- threat
- 1.Qe1?
- Keys
- 1.Sd2!
- threat
- 2.Se4#
- 1...Qxc7+
- 2.Qxc7#
- 1...Qxg8
- 2.c8S#
- 1...Rxd2
- 2.Qxa3#
- 1...Qd4
- 2.c8S#
- 1...Qe5
- 2.cxb8Q#
- 2.cxb8B#
- 2.c8S#
- 1...Qg6
- 2.cxb8Q#
- 2.cxb8B#
- threat
- 1.Sd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- Q(i);N_PINP(G),N_SPINS(e)::P=S
- Q(i);N_PINP(G),N_SPINB(h)::PXS(k)=Q
- Q(i);N_PINP(G),N_SPINB(h),XR(E)::PXS(k)=Q
- Q(i);CHECK,OGATE,XP(G)::QAB1(A),XQ(i)
- Q(i);N_PINP(G),XS(I)::P=S
- R(b);N_GUARD::QAB(A),XP(c)
- S(k);N_GUARD::QAR1(A)
- S(k);N_GUARD::QAR1(A),XS(k)
- P(f);N_GUARD::QAB1(A)
- Tries
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- Q(i);::QAB(A)
- R(b);::QAB(A)
- B(a);::QAB(A)
- B(a);N_SPINB(h)::QAB(A)
- Refutation
- Q(i);CHECK,XP(G)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- Q(i);CHECK,OGATE,XP(G)::QAB1(A),XQ(i)
- Q(i);N_PINP(G),N_SPINS(e)::P=S
- B(a);N_SPINB(h)::QAB(A)
- Refutation
- B(a);N_SPINS(e)
- Try
- Actual
- S(B);
- Threat
- S(B)
- Vars
- Q(i);CHECK,OGATE,XP(G)::QAB1(A),XQ(i)
- Q(i);N_PINP(G),XS(I)::P=S
- R(b);N_GUARD,XS(B)::QAB(A),XP(c)
- Q(i);N_PINP(G),N_SPINS(e)::P=S
- Q(i);N_PINP(G),N_SPINB(h)::PXS(k)=Q
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).