MESON Chess Problem Database
Problem Display
PID: 5961 (6rR/5RPN/r5kp/p6p/8/8/3p2N1/Kb2bQ1n w - - 0 1)
Buchner, Rudolf
1st Prize, Arbeiter Schachzeitung, 1926
#2
7 + 10
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.Qxf6#
- 1...Ra7
- 2.Qf6#
- 1...Raa8
- 2.Qf6#
- 1...Rf8
- 2.gxf8S#
- 1...Rxh8
- 2.gxh8S#
- 1...Ba2
- 2.Qf5#
- 1...Bf5
- 2.Qxf5#
- 1...Bh4
- 2.Sxh4#
- 1...Sg3
- 2.Sh4#
- 1...Rf6
- Tries
- 1.Sf8+?
- 1...Kg5
- 2.Qf4#
- 1...Rxf8!
- 1...Kg5
- 1.Rf6+?
- 1...Rxf6
- 2.Qxf6#
- 1...Kxg7!
- 1...Rxf6
- 1.Rb7?
- threat
- 2.Qf7#
- 1...Rxh8
- 2.gxh8S#
- 1...Bf2
- 2.Qxb1#
- 1...Sf2
- 2.Sh4#
- 1...Rf6
- 2.Qxf6#
- 1...Rf8
- 2.gxf8S#
- 1...Ba2
- 2.Qd3#
- 1...Bf5
- 2.Sf4#
- 1...Rxg7!
- threat
- 1.Rc7?
- threat
- 2.Qf7#
- 1...Rxh8
- 2.gxh8S#
- 1...Bf2
- 2.Qxb1#
- 1...Sf2
- 2.Sh4#
- 1...Rf6
- 2.Qxf6#
- 1...Rf8
- 2.gxf8S#
- 1...Ba2
- 2.Qd3#
- 1...Bf5
- 2.Sf4#
- 1...Rxg7!
- threat
- 1.Rd7?
- threat
- 2.Qf7#
- 1...Rxh8
- 2.gxh8S#
- 1...Bf2
- 2.Qxb1#
- 1...Sf2
- 2.Sh4#
- 1...Rf6
- 2.Qxf6#
- 1...Rf8
- 2.gxf8S#
- 1...Ba2
- 2.Qd3#
- 1...Bf5
- 2.Sf4#
- 1...Rxg7!
- threat
- 1.Re7?
- threat
- 2.Qf7#
- 1...Rxh8
- 2.gxh8S#
- 1...Bf2
- 2.Qxb1#
- 1...Sf2
- 2.Sh4#
- 1...Rf6
- 2.Qxf6#
- 1...Rf8
- 2.gxf8S#
- 1...Ba2
- 2.Qd3#
- 1...Bf5
- 2.Sf4#
- 1...Rxg7!
- threat
- 1.Sf8+?
- Keys
- 1.Ra7!
- threat
- 2.Qf7#
- 1...Rxa7
- 2.Qf6#
- 1...Rxg7
- 2.Rxa6#
- 1...Rxh8
- 2.gxh8S#
- 1...Bf2
- 2.Qxb1#
- 1...Sf2
- 2.Sh4#
- 1...Rf6
- 2.Qxf6#
- 1...Rf8
- 2.gxf8S#
- 1...Ba2
- 2.Qd3#
- 1...Bf5
- 2.Sf4#
- threat
- 1.Ra7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(g);N_GUARD::QAR1(B),XR(g)
- R(g);N_GUARD::QAR1(B)
- R(j);OGATE::PXR(j)=S
- R(j);OGATE,XR(G)::PXR(j)=S
- B(a);N_GUARD::QAB1(B)
- B(a);N_GUARD::QAB1(B),XB(a)
- B(b);N_GUARD::S(C),XB(b)
- S(c);S_CUTB(b)::S(C)
- Tries
- Try
- S(F);CHECK
- Vars
- K(h);P-FLIGHT::QAB1(B)
- Refutation
- R(j);XS(F)
- Try
- R(D);CHECK
- Vars
- R(g);OGATE,XR(D)::QAR1(B),XR(g)
- Refutation
- K(h);P-FLIGHT,XP(E)
- Try
- R(D);
- Threat
- QAB1(B)
- Vars
- R(j);OGATE,XR(G)::PXR(j)=S
- B(b);OGATE::QAB(B),XB(a)
- S(c);S_CUTB(b)::S(C)
- R(g);N_GUARD::QAR1(B),XR(g)
- R(j);OGATE::PXR(j)=S
- B(a);N_GUARD::QAB(B)
- B(a);SBLOCK::S(C)
- Refutation
- R(j);XP(E)
- Try
- R(D);
- Threat
- QAB1(B)
- Vars
- R(j);OGATE,XR(G)::PXR(j)=S
- B(b);OGATE::QAB(B),XB(a)
- S(c);S_CUTB(b)::S(C)
- R(g);N_GUARD::QAR1(B),XR(g)
- R(j);OGATE::PXR(j)=S
- B(a);N_GUARD::QAB(B)
- B(a);SBLOCK::S(C)
- Refutation
- R(j);XP(E)
- Try
- R(D);
- Threat
- QAB1(B)
- Vars
- R(j);OGATE,XR(G)::PXR(j)=S
- B(b);OGATE::QAB(B),XB(a)
- S(c);S_CUTB(b)::S(C)
- R(g);N_GUARD::QAR1(B),XR(g)
- R(j);OGATE::PXR(j)=S
- B(a);N_GUARD::QAB(B)
- B(a);SBLOCK::S(C)
- Refutation
- R(j);XP(E)
- Try
- R(D);
- Threat
- QAB1(B)
- Vars
- R(j);OGATE,XR(G)::PXR(j)=S
- B(b);OGATE::QAB(B),XB(a)
- S(c);S_CUTB(b)::S(C)
- R(g);N_GUARD::QAR1(B),XR(g)
- R(j);OGATE::PXR(j)=S
- B(a);N_GUARD::QAB(B)
- B(a);SBLOCK::S(C)
- Refutation
- R(j);XP(E)
- Try
- Actual
- R(D);
- Threat
- QAB1(B)
- Vars
- R(g);N_GUARD,XR(D)::QAR1(B)
- R(j);SBLOCK,XP(E)::R(D),XR(g)
- R(j);OGATE,XR(G)::PXR(j)=S
- B(b);OGATE::QAB(B),XB(a)
- S(c);S_CUTB(b)::S(C)
- R(g);N_GUARD::QAR1(B),XR(g)
- R(j);OGATE::PXR(j)=S
- B(a);N_GUARD::QAB(B)
- B(a);SBLOCK::S(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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