MESON Chess Problem Database
Problem Display
PID: 193662 (1Br1R3/2P1Np2/1NK1pn2/4k3/8/2P3P1/1n6/1B6 w - - 0 1)
von Sponer, Gyorgy Janos Andor
Pesti Naplo, 1915
#2
9 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rxc7+
- 2.Bxc7#
- 1...Rxb8
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 1...Rxe8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Sd1
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Se4
- 2.Sd7#
- 1...Sg4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sh5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sh7
- 2.Sd7#
- 1...Sxe8
- 2.Sd7#
- 1...Sg8
- 2.Sd7#
- 1...Rxc7+
- Tries
- 1.Bc2?
- 1...Rxc7+
- 2.Bxc7#
- 1...Rxb8
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxe8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Sxe8
- 2.Sd7#
- 1...Se4
- 2.Sd7#
- 1...Sg4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sh5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sh7
- 2.Sd7#
- 1...Sg8
- 2.Sd7#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 1...Sd1
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd3!
- 1...Rxc7+
- 1.Bd3?
- 1...Rxc7+
- 2.Bxc7#
- 1...Rxb8
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxe8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Sxe8
- 2.Sd7#
- 1...Se4
- 2.Sd7#
- 1...Sg4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sh5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sh7
- 2.Sd7#
- 1...Sg8
- 2.Sd7#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 1...Sd1
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sxd3!
- 1...Rxc7+
- 1.Bg6?
- 1...Rxc7+
- 2.Bxc7#
- 1...Rxb8
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxe8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Sxe8
- 2.Sd7#
- 1...Se4
- 2.Sd7#
- 1...Sg4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sh5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sh7
- 2.Sd7#
- 1...Sg8
- 2.Sd7#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 1...Sd1
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...fxg6!
- 1...Rxc7+
- 1.Bh7?
- 1...Rxc7+
- 2.Bxc7#
- 1...Rxb8
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxe8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Sxe8
- 2.Sd7#
- 1...Se4
- 2.Sd7#
- 1...Sg4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sh5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sg8
- 2.Sd7#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 1...Sd1
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sxh7!
- 1...Rxc7+
- 1.Rxc8?
- 1...Se4
- 2.Sd7#
- 1...Sg4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sh5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sh7
- 2.Sd7#
- 1...Se8
- 2.Sd7#
- 1...Sg8
- 2.Sd7#
- 1...Sd1
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd3!
- 1...Se4
- 1.Rd8?
- 1...Rxc7+
- 2.Bxc7#
- 1...Rxb8
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 1...Se4
- 2.Sd7#
- 1...Sg4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sh5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sh7
- 2.Sd7#
- 1...Se8
- 2.Sd7#
- 1...Sg8
- 2.Sd7#
- 1...Sd1
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd3!
- 1...Rxc7+
- 1.Rf8?
- 1...Rxc7+
- 2.Bxc7#
- 1...Rxb8
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxf8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Se4
- 2.Sd7#
- 1...Sg4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sh5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sh7
- 2.Sd7#
- 1...Se8
- 2.Sd7#
- 1...Sg8
- 2.Sd7#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 1...Re8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Sd1
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd3!
- 1...Rxc7+
- 1.Rg8?
- threat
- 2.Rg5#
- 1...Rxc7+
- 2.Bxc7#
- 1...Rxg8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Sxg8
- 2.Sd7#
- 1...Se4
- 2.Sd7#
- 1...Sg4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sh5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sh7
- 2.Sd7#
- 1...Se8
- 2.Sd7#
- 1...Sd3!
- threat
- 1.Rh8?
- 1...Rxc7+
- 2.Bxc7#
- 1...Rxb8
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxh8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Se4
- 2.Sd7#
- 1...Sg4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sh5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sh7
- 2.Sd7#
- 1...Se8
- 2.Sd7#
- 1...Sg8
- 2.Sd7#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 1...Re8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rf8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rg8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Sd1
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd3!
- 1...Rxc7+
- 1.Bc2?
- Keys
- 1.Bf5!
- 1...Rxc7+
- 2.Bxc7#
- 1...Rxb8
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxe8
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Sxe8
- 2.Sd7#
- 1...exf5
- 2.Sg6#
- 1...Se4
- 2.Sd7#
- 1...Sg4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sh5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sh7
- 2.Sd7#
- 1...Sg8
- 2.Sd7#
- 1...Rd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 1...Sd1
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Rxc7+
- 1.Bf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(f);CHECK,OGATE,P_SPINR(f),XP(F)::B(H),XR(f)
- R(f);N_PINP(F),XB(H)::PXR(f)=Q
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(d);N_GUARD,XR(I)::S(D)
- Tries
- Try
- B(A);
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XP(F)::B(H),XR(f)
- R(f);N_PINP(F),XB(H)::PXR(f)=Q
- S(d);N_GUARD,XR(I)::S(D)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- Refutation
- S(a);
- Try
- B(A);
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XP(F)::B(H),XR(f)
- R(f);N_PINP(F),XB(H)::PXR(f)=Q
- S(d);N_GUARD,XR(I)::S(D)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- Refutation
- S(a);XB(A)
- Try
- B(A);
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XP(F)::B(H),XR(f)
- R(f);N_PINP(F),XB(H)::PXR(f)=Q
- S(d);N_GUARD,XR(I)::S(D)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- Refutation
- P(e);XB(A)
- Try
- B(A);
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XP(F)::B(H),XR(f)
- R(f);N_PINP(F),XB(H)::PXR(f)=Q
- S(d);N_GUARD,XR(I)::S(D)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- Refutation
- S(d);XB(A)
- Try
- R(I);N_SPINP(F),XR(f)
- Vars
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- Refutation
- S(a);
- Try
- R(I);
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XP(F)::B(H),XR(f)
- R(f);N_PINP(F),XB(H)::PXR(f)=Q
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- Refutation
- S(a);
- Try
- R(I);
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XP(F)::B(H),XR(f)
- R(f);N_PINP(F),XB(H)::PXR(f)=Q
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- Refutation
- S(a);
- Try
- R(I);
- Threat
- R(I)
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XP(F)::B(H),XR(f)
- S(d);N_GUARD,XR(I)::S(D)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- Refutation
- S(a);
- Try
- R(I);
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XP(F)::B(H),XR(f)
- R(f);N_PINP(F),XB(H)::PXR(f)=Q
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- Refutation
- S(a);
- Try
- Actual
- B(A);
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XP(F)::B(H),XR(f)
- R(f);N_PINP(F),XB(H)::PXR(f)=Q
- S(d);N_GUARD,XR(I)::S(D)
- P(c);SBLOCK,XB(A)::R(I)+S(G),DCHECK
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),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).