MESON Chess Problem Database
Problem Display
PID: 221889 (Q1R4r/4ppp1/3prk1n/6NP/1n1PPP2/4N2B/8/5K2 w - - 0 1)
Langweil, Walter
Funkschach, 1926
#2
10 + 9
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxe4
- 2.Sxe4#
- 1...Rh7
- 2.Sxh7#
- 1...Rxc8
- 2.Sh7#
- 1...Rd8
- 2.Sh7#
- 1...Re8
- 2.Sh7#
- 1...Rf8
- 2.Sh7#
- 1...Rg8
- 2.Sh7#
- 1...Sa2
- 2.Sd5#
- 1...Sc2
- 2.Sd5#
- 1...Sd3
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sa6
- 2.Sd5#
- 1...Sc6
- 2.Sd5#
- 1...Sg4
- 2.Sxg4#
- 1...Sf5
- 2.Sg4#
- 1...Sg8
- 2.Sg4#
- 1...Rxe4
- Tries
- 1.Qc6?
- 1...Rxe4
- 2.Sxe4#
- 1...Rxc8
- 2.Sh7#
- 1...Sxc6
- 2.Sd5#
- 1...Re5
- 2.dxe5#
- 1...Rh7
- 2.Sxh7#
- 1...Rd8
- 2.Sh7#
- 1...Re8
- 2.Sh7#
- 1...Rf8
- 2.Sh7#
- 1...Rg8
- 2.Sh7#
- 1...Sa2
- 2.Sd5#
- 1...Sc2
- 2.Sd5#
- 1...Sd3
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sa6
- 2.Sd5#
- 1...Sg4
- 2.Sxg4#
- 1...Sf5
- 2.Sg4#
- 1...Sg8
- 2.Sg4#
- 1...d5
- 2.e5#
- 1...g6!
- 1...Rxe4
- 1.Qa6?
- 1...Rxe4
- 2.Sxe4#
- 1...Rxc8
- 2.Sh7#
- 1...Sxa6
- 2.Sd5#
- 1...Re5
- 2.dxe5#
- 1...Rh7
- 2.Sxh7#
- 1...Rd8
- 2.Sh7#
- 1...Re8
- 2.Sh7#
- 1...Rf8
- 2.Sh7#
- 1...Rg8
- 2.Sh7#
- 1...Sa2
- 2.Sd5#
- 1...Sc2
- 2.Sd5#
- 1...Sd3
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sc6
- 2.Sd5#
- 1...Sg4
- 2.Sxg4#
- 1...Sf5
- 2.Sg4#
- 1...Sg8
- 2.Sg4#
- 1...d5
- 2.e5#
- 1...g6!
- 1...Rxe4
- 1.e5+?
- 1...dxe5
- 2.Se4#
- 1...Rxe5!
- 1...dxe5
- 1.Qc6?
- Keys
- 1.Rc6!
- 1...Rxe4
- 2.Sxe4#
- 1...Rxa8
- 2.Sh7#
- 1...Sxc6
- 2.Sd5#
- 1...g6
- 2.Qxh8#
- 1...Re5
- 2.dxe5#
- 1...Rh7
- 2.Sxh7#
- 1...Rb8
- 2.Sh7#
- 1...Rc8
- 2.Sh7#
- 1...Rd8
- 2.Sh7#
- 1...Re8
- 2.Sh7#
- 1...Rf8
- 2.Sh7#
- 1...Rg8
- 2.Sh7#
- 1...Sa2
- 2.Sd5#
- 1...Sc2
- 2.Sd5#
- 1...Sd3
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sa6
- 2.Sd5#
- 1...Sg4
- 2.Sxg4#
- 1...Sf5
- 2.Sg4#
- 1...Sg8
- 2.Sg4#
- 1...d5
- 2.e5#
- 1...Rxe4
- 1.Rc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(c);XP(E)::S(G),XR(c)
- R(i);N_GUARD::S(G),XR(i)
- R(i);N_GUARD,XR(J)::S(G)
- R(i);N_GUARD::S(G)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- Tries
- Try
- Q(I);
- Vars
- R(c);P_SPINP(b),XP(E)::S(G),XR(c)
- R(i);N_GUARD,XR(J)::S(G)
- S(a);N_GUARD,XQ(I)::S(B)
- R(c);OGATE,P_SPINP(b)::P(D),XR(c)
- R(i);N_GUARD::S(G),XR(i)
- R(i);N_GUARD::S(G)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- P(b);N_GUARD,P_SPINR(c)::P(E)
- Refutation
- P(h);
- Try
- Q(I);
- Vars
- R(c);P_SPINP(b),XP(E)::S(G),XR(c)
- R(i);N_GUARD,XR(J)::S(G)
- S(a);N_GUARD,XQ(I)::S(B)
- R(c);OGATE,P_SPINP(b)::P(D),XR(c)
- R(i);N_GUARD::S(G),XR(i)
- R(i);N_GUARD::S(G)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- P(b);N_GUARD,P_SPINR(c)::P(E)
- Refutation
- P(h);
- Try
- P(E);CHECK
- Vars
- P(b);XP(E)::S(G)
- Refutation
- R(c);XP(E)
- Try
- Actual
- R(J);
- Vars
- R(c);P_SPINP(b),XP(E)::S(G),XR(c)
- R(i);N_GUARD,XQ(I)::S(G)
- S(a);N_GUARD,XR(J)::S(B)
- P(h);OGATEB::QAB(I),XR(i)
- R(c);OGATE,P_SPINP(b)::P(D),XR(c)
- R(i);N_GUARD::S(G),XR(i)
- R(i);N_GUARD::S(G)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- P(b);N_GUARD,P_SPINR(c)::P(E)
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).