MESON Chess Problem Database
Problem Display
PID: 151359 (4n3/8/3R2Pp/RN2PkNp/3n3P/4bPQ1/1K1pP3/3B4 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Die Schwalbe, 1941
#2
12 + 7
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.e4#
- 1...Bf2
- 2.e4#
- 1...Bf4
- 2.Sxd4#
- 1...Bxg5
- 2.Sxd4#
- 2.e4#
- 1...Sc2
- 2.Bxc2#
- 1...Sxe2
- 2.Bc2#
- 1...Sb3
- 2.Bc2#
- 1...Sxf3
- 2.Bc2#
- 1...Sxb5
- 2.Bc2#
- 1...Sc6
- 2.Bc2#
- 1...Se6
- 2.Bc2#
- 1...Sf6
- 2.Rxf6#
- 1...Sc7
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...Bg1
- Tries
- 1.Sh3?
- 1...Sxe2
- 2.Bc2#
- 1...Sxf3
- 2.Bc2#
- 1...Sxb5
- 2.Bc2#
- 1...Bf4
- 2.Sxd4#
- 2.Qxf4#
- 1...Bg1
- 2.Qf4#
- 2.e4#
- 1...Bf2
- 2.Qf4#
- 2.e4#
- 1...Bg5
- 2.Sxd4#
- 2.e4#
- 1...Sc2
- 2.Bxc2#
- 1...Sb3
- 2.Bc2#
- 1...Sc6
- 2.Bc2#
- 1...Se6
- 2.Bc2#
- 1...Sf6
- 2.Rxf6#
- 1...Sc7
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...Sxd6!
- 1...Sxe2
- 1.Sf7?
- 1...Sxe2
- 2.Bc2#
- 1...Sxf3
- 2.Bc2#
- 1...Sxb5
- 2.Bc2#
- 1...Bg1
- 2.Sxh6#
- 2.e4#
- 1...Bf2
- 2.Sxh6#
- 2.e4#
- 1...Bf4
- 2.Sxd4#
- 2.Qh3#
- 2.e4#
- 1...Bg5
- 2.Sxd4#
- 2.e4#
- 1...Sc2
- 2.Bxc2#
- 1...Sb3
- 2.Bc2#
- 1...Sc6
- 2.Bc2#
- 1...Se6
- 2.Bc2#
- 1...Sf6
- 2.Rxf6#
- 1...Sc7
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...Sxd6!
- 1...Sxe2
- 1.Sh7?
- 1...Sxe2
- 2.Bc2#
- 1...Sxf3
- 2.Bc2#
- 1...Sxb5
- 2.Bc2#
- 1...Bf4
- 2.Sxd4#
- 1...Bg1
- 2.e4#
- 1...Bf2
- 2.e4#
- 1...Bg5
- 2.Sxd4#
- 2.e4#
- 1...Sc2
- 2.Bxc2#
- 1...Sb3
- 2.Bc2#
- 1...Sc6
- 2.Bc2#
- 1...Se6
- 2.Bc2#
- 1...Sf6
- 2.Rxf6#
- 1...Sc7
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...Sxd6!
- 1...Sxe2
- 1.Re6?
- 1...Bxg5
- 2.Sxd4#
- 1...Sxe2
- 2.Bc2#
- 1...Sxf3
- 2.Bc2#
- 1...Sxb5
- 2.Bc2#
- 1...Sxe6
- 2.Bc2#
- 1...Sf6
- 2.Rxf6#
- 1...Bg1
- 2.e4#
- 1...Bf2
- 2.e4#
- 1...Bf4
- 2.Sxd4#
- 2.Qh3#
- 2.e4#
- 1...Sc2
- 2.Bxc2#
- 1...Sb3
- 2.Bc2#
- 1...Sc6
- 2.Bc2#
- 1...Sd6
- 2.Sxd6#
- 2.Rf6#
- 1...Sc7
- 2.Sd6#
- 2.Rf6#
- 1...Sg7
- 2.Sd6#
- 2.Rf6#
- 1...hxg5!
- 1...Bxg5
- 1.Qf4+?
- 1...Bxf4
- 2.Sxd4#
- 1...Kxf4!
- 1...Bxf4
- 1.Qg4+?
- 1...Kxe5
- 2.Sf7#
- 2.Qe4#
- 1...hxg4!
- 1...Kxe5
- 1.Sh3?
- Keys
- 1.Se6!
- 1...Sxe2
- 2.Bc2#
- 1...Sxf3
- 2.Bc2#
- 1...Sxb5
- 2.Bc2#
- 1...Sxe6
- 2.Bc2#
- 1...Sxd6
- 2.Sg7#
- 1...Bf4
- 2.Sbxd4#
- 1...Bg5
- 2.Sexd4#
- 1...Bg1
- 2.e4#
- 1...Bf2
- 2.e4#
- 1...Sc2
- 2.Bxc2#
- 1...Sb3
- 2.Bc2#
- 1...Sc6
- 2.Bc2#
- 1...Sf6
- 2.Sg7#
- 1...Sc7
- 2.Sg7#
- 1...Sg7
- 2.Sxg7#
- 1...Sxe2
- 1.Se6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);OGATE::P(C)
- B(b);N_GUARD::S(H),XS(c)
- S(c);N_GUARD::B(A),XS(c)
- S(c);N_GUARD,XP(C)::B(A)
- S(c);N_GUARD::B(A)
- S(c);N_GUARD,XP(D)::B(A)
- S(c);N_GUARD,XS(H)::B(A)
- S(g);N_GUARD::R1(K),XS(g)
- S(g);N_GUARD::R1(K)
- Tries
- Try
- S(J);
- Vars
- S(c);N_GUARD,XP(C)::B(A)
- S(c);N_GUARD,XP(D)::B(A)
- S(c);N_GUARD,XS(H)::B(A)
- S(c);N_GUARD::B(A),XS(c)
- S(c);N_GUARD::B(A)
- S(g);N_GUARD::R1(K),XS(g)
- S(g);N_GUARD::R1(K)
- Refutation
- S(g);XR(K)
- Try
- S(J);
- Vars
- S(c);N_GUARD,XP(C)::B(A)
- S(c);N_GUARD,XP(D)::B(A)
- S(c);N_GUARD,XS(H)::B(A)
- S(c);N_GUARD::B(A),XS(c)
- S(c);N_GUARD::B(A)
- S(g);N_GUARD::R1(K),XS(g)
- S(g);N_GUARD::R1(K)
- Refutation
- S(g);XR(K)
- Try
- S(J);
- Vars
- S(c);N_GUARD,XP(C)::B(A)
- S(c);N_GUARD,XP(D)::B(A)
- S(c);N_GUARD,XS(H)::B(A)
- B(b);N_GUARD::S(H),XS(c)
- B(b);OGATE::P(C)
- S(c);N_GUARD::B(A),XS(c)
- S(c);N_GUARD::B(A)
- S(g);N_GUARD::R1(K),XS(g)
- S(g);N_GUARD::R1(K)
- Refutation
- S(g);XR(K)
- Try
- R(K);
- Vars
- B(b);N_GUARD,XS(J)::S(H),XS(c)
- S(c);N_GUARD,XP(C)::B(A)
- S(c);N_GUARD,XP(D)::B(A)
- S(c);N_GUARD,XS(H)::B(A)
- S(c);N_GUARD,XR(K)::B(A)
- S(g);N_GUARD::R1(K),XS(g)
- B(b);OGATE::P(C)
- S(c);N_GUARD::B(A),XS(c)
- S(c);N_GUARD::B(A)
- Refutation
- P(f);XS(J)
- Try
- Q(E);CHECK
- Vars
- B(b);SBLOCK,XQ(E)::S(H),XS(c)
- Refutation
- K(d);P-FLIGHT,XQ(E)
- Try
- Q(E);CHECK
- Refutation
- P(e);XQ(E)
- Try
- Actual
- S(J);
- Vars
- S(c);N_GUARD,XP(C)::B(A)
- S(c);N_GUARD,XP(D)::B(A)
- S(c);N_GUARD,XS(H)::B(A)
- S(c);N_GUARD,XS(J)::B(A)
- S(g);N_GUARD,XR(K)::S(J)
- B(b);N_GUARD::S(H),XS(c)
- B(b);N_GUARD::S(J),XS(c)
- B(b);OGATE::P(C)
- S(c);N_GUARD::B(A),XS(c)
- S(c);N_GUARD::B(A)
- S(g);N_GUARD::S(J)
- S(g);N_GUARD::S(J),XS(g)
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).