MESON Chess Problem Database
Problem Display
PID: 193589 (6rb/3p4/3K3p/3N1k1B/5PR1/2pPR2P/2P1N3/7n w - - 0 1)
Pacejka, Stephan
Neuigkeits Weltblatt, 1915
#2
10 + 7
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rxg4
- 2.hxg4#
- 1...Rg6+
- 2.Bxg6#
- 1...Rg7
- 2.Sd4#
- 2.Re5#
- 1...Ra8
- 2.Bg6#
- 1...Rb8
- 2.Bg6#
- 1...Rc8
- 2.Bg6#
- 1...Rd8
- 2.Bg6#
- 1...Re8
- 2.Bg6#
- 1...Rf8
- 2.Bg6#
- 1...Bd4
- 2.Sxd4#
- 1...Be5+
- 2.Rxe5#
- 1...Bg7
- 2.Bg6#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Rxg4
- Tries
- 1.Re4?
- 1...Rg6+
- 2.Bxg6#
- 1...Be5+
- 2.Rxe5#
- 1...Rxg4
- 2.hxg4#
- 1...Rg7
- 2.Sd4#
- 2.Re5#
- 1...Ra8
- 2.Bg6#
- 1...Rb8
- 2.Bg6#
- 1...Rc8
- 2.Bg6#
- 1...Rd8
- 2.Bg6#
- 1...Re8
- 2.Bg6#
- 1...Rf8
- 2.Bg6#
- 1...Bd4
- 2.Sxd4#
- 1...Bf6
- 2.Se3#
- 1...Bg7
- 2.Bg6#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Rg5!
- 1...Rg6+
- 1.Re6?
- threat
- 2.Se3#
- 2.Se7#
- 1...Be5+
- 2.Rxe5#
- 1...Rg7
- 2.Sd4#
- 2.Se3#
- 2.Re5#
- 2.Rf6#
- 1...Re8
- 2.Se3#
- 2.Bg6#
- 1...Bd4
- 2.Sxd4#
- 2.Se7#
- 1...Bf6
- 2.Se3#
- 2.Rxf6#
- 1...dxe6!
- threat
- 1.Re7?
- 1...Rg6+
- 2.Bxg6#
- 1...Be5+
- 2.Rxe5#
- 1...Rxg4
- 2.hxg4#
- 1...Rg7
- 2.Sd4#
- 2.Re5#
- 1...Ra8
- 2.Bg6#
- 1...Rb8
- 2.Bg6#
- 1...Rc8
- 2.Bg6#
- 1...Rd8
- 2.Bg6#
- 1...Re8
- 2.Bg6#
- 1...Rf8
- 2.Bg6#
- 1...Bd4
- 2.Sxd4#
- 1...Bf6
- 2.Se3#
- 1...Bg7
- 2.Bg6#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Rg5!
- 1...Rg6+
- 1.Re8?
- 1...Rg6+
- 2.Bxg6#
- 1...Be5+
- 2.Rxe5#
- 1...Rxg4
- 2.hxg4#
- 1...Rxe8
- 2.Bg6#
- 1...Rg7
- 2.Sd4#
- 2.Re5#
- 1...Rf8
- 2.Bg6#
- 1...Bd4
- 2.Sxd4#
- 1...Bf6
- 2.Se3#
- 1...Bg7
- 2.Bg6#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Rg5!
- 1...Rg6+
- 1.Rg7?
- threat
- 2.Sd4#
- 2.Bg4#
- 2.Bg6#
- 2.Re5#
- 1...Rxg7
- 2.Sd4#
- 2.Re5#
- 1...Re8
- 2.Sd4#
- 2.Bg4#
- 2.Bg6#
- 1...Sf2
- 2.Sg3#
- 2.Sd4#
- 2.Bg6#
- 2.Re5#
- 1...Bxg7!
- threat
- 1.Rxg8?
- threat
- 2.Bg4#
- 2.Bg6#
- 1...Be5+
- 2.Rxe5#
- 1...Sf2
- 2.Sg3#
- 2.Bg6#
- 1...Bg7!
- threat
- 1.Re4?
- Keys
- 1.Rf3!
- 1...Rg6+
- 2.Bxg6#
- 1...Be5+
- 2.fxe5#
- 1...Rxg4
- 2.hxg4#
- 1...Rg5
- 2.fxg5#
- 1...Rg7
- 2.Sd4#
- 1...Ra8
- 2.Bg6#
- 1...Rb8
- 2.Bg6#
- 1...Rc8
- 2.Bg6#
- 1...Rd8
- 2.Bg6#
- 1...Re8
- 2.Bg6#
- 1...Rf8
- 2.Bg6#
- 1...Bd4
- 2.Sxd4#
- 1...Bf6
- 2.Se3#
- 1...Bg7
- 2.Bg6#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Rg6+
- 1.Rf3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(f);OGATE,XR(G)::P(E),XR(f)
- R(f);CHECK,N_GUARD::B(I),XR(f)
- R(f);N_GUARD::B(I)
- B(g);N_GUARD::S(B),XB(g)
- B(g);CHECK,N_GUARD::R1(D),XB(g)
- B(g);S_CUTR(f)::B(I)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Tries
- Try
- R(D);
- Vars
- R(f);CHECK,N_GUARD::B(I),XR(f)
- B(g);CHECK,N_GUARD::R1(D),XB(g)
- R(f);OGATE,XR(G)::P(E),XR(f)
- R(f);N_GUARD::B(I)
- B(g);N_GUARD::S(B),XB(g)
- B(g);SBLOCK::S(H)
- B(g);S_CUTR(f)::B(I)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- R(f);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,N_GUARD::R1(D),XB(g)
- Refutation
- P(e);XR(D)
- Try
- R(D);
- Vars
- R(f);CHECK,N_GUARD::B(I),XR(f)
- B(g);CHECK,N_GUARD::R1(D),XB(g)
- R(f);OGATE,XR(G)::P(E),XR(f)
- R(f);N_GUARD::B(I)
- B(g);N_GUARD::S(B),XB(g)
- B(g);SBLOCK::S(H)
- B(g);S_CUTR(f)::B(I)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- R(f);
- Try
- R(D);
- Vars
- R(f);CHECK,N_GUARD::B(I),XR(f)
- B(g);CHECK,N_GUARD::R1(D),XB(g)
- R(f);OGATE,XR(G)::P(E),XR(f)
- R(f);N_GUARD,XR(D)::B(I)
- R(f);N_GUARD::B(I)
- B(g);N_GUARD::S(B),XB(g)
- B(g);SBLOCK::S(H)
- B(g);S_CUTR(f)::B(I)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- R(f);
- Try
- R(G);
- Threat
- DUALS(4)
- Refutation
- B(g);XR(G)
- Try
- R(G);XR(f)
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,N_GUARD::R1(D),XB(g)
- Refutation
- B(g);
- Try
- Actual
- R(D);
- Vars
- R(f);CHECK,N_GUARD::B(I),XR(f)
- B(g);CHECK,OGATE::R(D)+P(F),XB(g)
- R(f);OGATE,XR(G)::P(E),XR(f)
- R(f);OGATE::R(D)+P(F),XR(f)
- R(f);S_CUTB(g)::S(B)
- R(f);N_GUARD::B(I)
- B(g);N_GUARD::S(B),XB(g)
- B(g);SBLOCK::S(H)
- B(g);S_CUTR(f)::B(I)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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