MESON Chess Problem Database
Problem Display
PID: 151370 (2q1b1N1/8/2n1n2r/1R2B2p/2P1k3/3NPp1B/2P2K2/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Die Schwalbe, 2013
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.Sxf6#
- 1...Rh7
- 2.Sf6#
- 1...Rh8
- 2.Sf6#
- 1...Bg6
- 2.Sf6#
- 1...Sxe5
- 2.Rxe5#
- 1...Rf6
- Tries
- 1.Ba1?
- threat
- 2.Bf5#
- 1...Rf6
- 2.Sxf6#
- 1...Bg6
- 2.Sf6#
- 1...Scd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sg7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sed4!
- threat
- 1.Bb2?
- threat
- 2.Bf5#
- 1...Rf6
- 2.Sxf6#
- 1...Bg6
- 2.Sf6#
- 1...Scd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sg7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sed4!
- threat
- 1.Bh2?
- threat
- 2.Bf5#
- 1...Rf6
- 2.Sxf6#
- 1...Bg6
- 2.Sf6#
- 1...Scd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sed4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sg7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sf4!
- threat
- 1.Bc3?
- threat
- 2.Bf5#
- 1...Rf6
- 2.Sxf6#
- 1...Bg6
- 2.Sf6#
- 1...Scd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sg7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sed4!
- threat
- 1.Bg3?
- threat
- 2.Bf5#
- 1...Sed4
- 2.Sc5#
- 1...Rf6
- 2.Sxf6#
- 1...Bg6
- 2.Sf6#
- 1...Scd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sg7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sf4!
- threat
- 1.Bd4?
- threat
- 2.Bf5#
- 1...Scxd4
- 2.Re5#
- 1...Rf6
- 2.Sxf6#
- 1...Bg6
- 2.Sf6#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sg7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sexd4!
- threat
- 1.Bf4?
- threat
- 2.Bf5#
- 1...Sed4
- 2.Sc5#
- 1...Rf6
- 2.Sxf6#
- 1...Bg6
- 2.Sf6#
- 1...Scd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sg7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sxf4!
- threat
- 1.Bf6?
- threat
- 2.Bf5#
- 1...Rxf6
- 2.Sxf6#
- 1...Sed4
- 2.Sc5#
- 1...Scd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sg7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Bg6!
- threat
- 1.Bc7?
- threat
- 2.Bf5#
- 1...Sed4
- 2.Sc5#
- 1...Rf6
- 2.Sxf6#
- 1...Bg6
- 2.Sf6#
- 1...Scd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sg7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sxc7!
- threat
- 1.Bg7?
- threat
- 2.Bf5#
- 1...Sed4
- 2.Sc5#
- 1...Rf6
- 2.Sxf6#
- 1...Bg6
- 2.Sf6#
- 1...Scd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sxg7!
- threat
- 1.Bb8?
- threat
- 2.Bf5#
- 1...Sed4
- 2.Sc5#
- 1...Rf6
- 2.Sxf6#
- 1...Bg6
- 2.Sf6#
- 1...Scd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sg7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sc7!
- threat
- 1.Bh8?
- threat
- 2.Bf5#
- 1...Sed4
- 2.Sc5#
- 1...Rf6
- 2.Sxf6#
- 1...Bg6
- 2.Sf6#
- 1...Scd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sg7!
- threat
- 1.Ba1?
- Keys
- 1.Bd6!
- threat
- 2.Bf5#
- 1...Sed4
- 2.Sc5#
- 1...Rf6
- 2.Sxf6#
- 1...Bg6
- 2.Sf6#
- 1...Scd4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sg7
- 2.Sc5#
- 1...Sed8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 2
- Sets
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- B(h);S_CUTR(f)::S(I)
- S(d);OGATE,XB(H)::R1(G),XS(d)
- Tries
- Try
- B(H);
- Threat
- B(E)
- Vars
- R(f);N_GUARD::S(I),XR(f)
- B(h);S_CUTR(f)::S(I)
- S(d);N_GUARD::R1(G)
- S(d);N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::S(C)
- S(e);N_GUARD::S(C),XS(e)
- Refutation
- S(e);
- Try
- B(H);
- Threat
- B(E)
- Vars
- R(f);N_GUARD::S(I),XR(f)
- B(h);S_CUTR(f)::S(I)
- S(d);N_GUARD::R1(G)
- S(d);N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::S(C)
- S(e);N_GUARD::S(C),XS(e)
- Refutation
- S(e);
- Try
- B(H);
- Threat
- B(E)
- Vars
- R(f);N_GUARD::S(I),XR(f)
- B(h);S_CUTR(f)::S(I)
- S(d);N_GUARD::R1(G)
- S(d);N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::S(C)
- S(e);N_GUARD::S(C),XS(e)
- Refutation
- S(e);
- Try
- B(H);
- Threat
- B(E)
- Vars
- R(f);N_GUARD::S(I),XR(f)
- B(h);S_CUTR(f)::S(I)
- S(d);N_GUARD::R1(G)
- S(d);N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::S(C)
- S(e);N_GUARD::S(C),XS(e)
- Refutation
- S(e);
- Try
- B(H);
- Threat
- B(E)
- Vars
- S(e);N_GUARD::S(C)
- R(f);N_GUARD::S(I),XR(f)
- B(h);S_CUTR(f)::S(I)
- S(d);N_GUARD::R1(G)
- S(d);N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::S(C),XS(e)
- Refutation
- S(e);
- Try
- B(H);
- Threat
- B(E)
- Vars
- S(d);N_GUARD,XB(H)::R1(G)
- R(f);N_GUARD::S(I),XR(f)
- B(h);S_CUTR(f)::S(I)
- S(d);N_GUARD::R1(G),XS(d)
- S(d);N_GUARD::R1(G)
- S(e);N_GUARD::S(C)
- S(e);N_GUARD::S(C),XS(e)
- Refutation
- S(e);XB(H)
- Try
- B(H);
- Threat
- B(E)
- Vars
- S(e);N_GUARD::S(C)
- R(f);N_GUARD::S(I),XR(f)
- B(h);S_CUTR(f)::S(I)
- S(d);N_GUARD::R1(G)
- S(d);N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::S(C),XS(e)
- Refutation
- S(e);XB(H)
- Try
- B(H);
- Threat
- B(E)
- Vars
- R(f);XB(H)::S(I),XR(f)
- S(e);N_GUARD::S(C)
- S(d);N_GUARD::R1(G)
- S(d);N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::S(C),XS(e)
- Refutation
- B(h);
- Try
- B(H);
- Threat
- B(E)
- Vars
- S(e);N_GUARD::S(C)
- R(f);N_GUARD::S(I),XR(f)
- B(h);S_CUTR(f)::S(I)
- S(d);N_GUARD::R1(G)
- S(d);N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::S(C),XS(e)
- Refutation
- S(e);XB(H)
- Try
- B(H);
- Threat
- B(E)
- Vars
- S(e);N_GUARD::S(C)
- R(f);N_GUARD::S(I),XR(f)
- B(h);S_CUTR(f)::S(I)
- S(d);N_GUARD::R1(G)
- S(d);N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::S(C),XS(e)
- Refutation
- S(e);XB(H)
- Try
- B(H);
- Threat
- B(E)
- Vars
- S(e);N_GUARD::S(C)
- R(f);N_GUARD::S(I),XR(f)
- B(h);S_CUTR(f)::S(I)
- S(d);N_GUARD::R1(G)
- S(d);N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::S(C),XS(e)
- Refutation
- S(e);
- Try
- B(H);
- Threat
- B(E)
- Vars
- S(e);N_GUARD::S(C)
- R(f);N_GUARD::S(I),XR(f)
- B(h);S_CUTR(f)::S(I)
- S(d);N_GUARD::R1(G)
- S(d);N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::S(C),XS(e)
- Refutation
- S(e);
- Try
- Actual
- B(H);
- Threat
- B(E)
- Vars
- S(e);N_GUARD::S(C)
- R(f);N_GUARD::S(I),XR(f)
- B(h);S_CUTR(f)::S(I)
- S(d);N_GUARD::R1(G)
- S(d);N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::S(C),XS(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).