MESON Chess Problem Database
Problem Display
PID: 91852 (4R2K/B4Pp1/4B1p1/2rN1nR1/2p1k1P1/3nPNP1/2P5/7Q w - - 0 1)
Deichelbohrer, Horst
Schach-Echo, 1976
#2
13 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra5
- 2.Sc3#
- 1...Rb5
- 2.Sc3#
- 1...Rxd5
- 2.Bxf5#
- 1...Rc6
- 2.Sc3#
- 1...Rc7
- 2.Sc3#
- 1...Rc8
- 2.Sc3#
- 1...Se5
- 2.Sd2#
- 1...Sxe3
- 2.Sc3#
- 1...Sxg3
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 2.Sxd4#
- 1...Sh4
- 2.Sd2#
- 2.Sxh4#
- 1...Sd6
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 1...Sh6
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 1...Se7
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 1...Ra5
- Tries
- 1.Bd7+?
- 1...Se5
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Sxe5#
- 2.Rxe5#
- 1...Se7
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 1...Kxd5!
- 1...Se5
- 1.Bc8+?
- 1...Se5
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Sxe5#
- 2.Rxe5#
- 1...Se7
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 1...Kxd5!
- 1...Se5
- 1.Bxc5?
- threat
- 2.Sc3#
- 1...Sd4
- 2.Sd2#
- 2.Sxd4#
- 1...c3
- 2.Sxc3#
- 1...Sxc5!
- threat
- 1.Bb8?
- threat
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 1...Rxd5
- 2.Bxf5#
- 1...Sxe3
- 2.Sc3#
- 1...Sxg3
- 2.Sd2#
- 1...Se1
- 2.Sxe1#
- 2.Sd2#
- 1...Sf2
- 2.Sd2#
- 1...Sf4
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 2.Sxe5#
- 1...Sd4
- 2.Sd2#
- 2.Sxd4#
- 1...Sh4
- 2.Sd2#
- 2.Sxh4#
- 1...Rc7!
- threat
- 1.Rxf5?
- threat
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 1...Rxd5
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 2.Bxd5#
- 1...Se1
- 2.Sxe1#
- 2.Sd2#
- 2.Sg5#
- 2.Bd7#
- 2.Bc8#
- 2.Rf4#
- 2.Re5#
- 1...Sf2
- 2.Sd2#
- 2.Sg5#
- 2.Bd7#
- 2.Bc8#
- 2.Rf4#
- 2.Re5#
- 1...Sf4
- 2.Sd2#
- 2.Sg5#
- 2.Rxf4#
- 2.Re5#
- 1...Se5
- 2.Sd2#
- 2.Sxe5#
- 2.Sg5#
- 2.Rf4#
- 2.Rxe5#
- 1...g5
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sxg5#
- 1...gxf5!
- threat
- 1.Bd7+?
- Keys
- 1.Qd1!
- 1...Rxd5
- 2.Bxf5#
- 1...Sxe3
- 2.Sc3#
- 1...Sxg3
- 2.Sd2#
- 1...Sc1
- 2.Bxf5#
- 1...Ra5
- 2.Sc3#
- 1...Rb5
- 2.Sc3#
- 1...Rc6
- 2.Sc3#
- 1...Rc7
- 2.Sc3#
- 1...Rc8
- 2.Sc3#
- 1...Se1
- 2.Bxf5#
- 1...Sb2
- 2.Bxf5#
- 1...Sf2
- 2.Bxf5#
- 1...Sb4
- 2.Bxf5#
- 1...Sf4
- 2.Bxf5#
- 1...Se5
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...Sh4
- 2.Sd2#
- 1...Sd6
- 2.Sd2#
- 1...Sh6
- 2.Sd2#
- 1...Se7
- 2.Sd2#
- 1...c3
- 2.cxd3#
- 1...Rxd5
- 1.Qd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- R(d);::S(G)
- R(d);SBLOCK,XS(G)::R(L)+B(I),DCHECK,XS(e)
- R(d);P_PINR(L)::S(G)
- S(a);SBLOCK::QAB(A)+S(D),DCHECK
- S(e);SBLOCK,XP(C)::S(G)
- S(e);XP(E)::QAB(A)+S(D),DCHECK
- Tries
- Try
- B(I);CHECK
- Refutation
- K(c);P_SPINS(e),S_FLIGHT,XS(G)
- Try
- B(I);CHECK
- Refutation
- K(c);P_SPINS(e),S_FLIGHT,XS(G)
- Try
- B(J);XR(d)
- Threat
- S(G)
- Vars
- P(b);::S(G),XP(b)
- Refutation
- S(a);XB(J)
- Try
- B(J);
- Threat
- DUALS(7)
- Vars
- R(d);SBLOCK,XS(G)::R(L)+B(I),DCHECK,XS(e)
- S(e);SBLOCK,XP(C)::S(G)
- S(e);XP(E)::QAB(A)+S(D),DCHECK
- S(a);::QAB(A)+S(D),DCHECK
- Refutation
- R(d);
- Try
- R(H);XS(e)
- Threat
- DUALS(8)
- Refutation
- P(f);XR(H)
- Try
- Actual
- Q(A);
- Vars
- R(d);SBLOCK,XS(G)::R(L)+B(I),DCHECK,XS(e)
- S(e);SBLOCK,XP(C)::S(G)
- S(e);XP(E)::S(D)
- S(a);::R(L)+B(I),DCHECK,XS(e)
- R(d);::S(G)
- R(d);P_PINR(L)::S(G)
- S(a);SBLOCK::S(D)
- S(e);::S(D)
- P(b);N_GUARD::P(B),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).