MESON Chess Problem Database
Problem Display
PID: 78265 (2r5/1BRn2Pb/3K3Q/R3Pk1N/5pp1/3prpP1/4P2b/7N w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Sachsische Zeitung, 1994
#2
11 + 10
| 6114 | Problemschach-Jahrbuch (1994) | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Bg6
- 2.Qxf4#
- 1...Sc5
- 2.Rf7#
- 2.Qf6#
- 1...Sxe5
- 2.Rf7#
- 2.Qf6#
- 1...Sb6
- 2.Rf7#
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sb8
- 2.Rf7#
- 2.Qf6#
- 1...Sf8
- 2.Rf7#
- 2.Qf6#
- 1...Bg6
- Tries
- 1.Sf6?
- threat
- 2.Qh5#
- 1...Rxe5
- 2.Be4#
- 1...Sxe5
- 2.Bxc8#
- 1...Sxf6
- 2.Qxf6#
- 1...Bg6
- 2.Qxf4#
- 1...fxg3!
- threat
- 1.Be4+?
- 1...Kxe4
- 2.Qxf4#
- 1...Rxe4!
- 1...Kxe4
- 1.Ra4?
- threat
- 2.Rxf4#
- 1...fxg3
- 2.Rf4#
- 1...Re4
- 2.Bxe4#
- 1...Bxg3!
- threat
- 1.Rxd7?
- threat
- 2.Rf7#
- 2.Qf6#
- 1...Rc7
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Rf8
- 2.gxf8Q#
- 2.gxf8R#
- 1...Bg6
- 2.Qxf4#
- 1...Bg8
- 2.Qf6#
- 1...Rc6+!
- threat
- 1.gxf4?
- threat
- 2.Qg5#
- 2.Qe6#
- 2.Qxh7#
- 1...g3
- 2.Qg5#
- 2.Qe6#
- 1...Re8
- 2.Qg5#
- 2.Qxh7#
- 1...Rh8
- 2.Qg5#
- 2.Qe6#
- 1...Bg6
- 2.Qg5#
- 1...Bg8
- 2.Qg5#
- 1...Sc5
- 2.Rf7#
- 2.Qg5#
- 2.Qf6#
- 2.Qxh7#
- 1...Sf6
- 2.Qg5#
- 2.Qxf6#
- 1...Sf8
- 2.Rf7#
- 2.Qg5#
- 2.Qf6#
- 1...Bxf4!
- threat
- 1.e6+?
- 1...Sc5
- 2.Rf7#
- 2.Qf6#
- 1...Se5
- 2.Rf7#
- 2.Qf6#
- 1...Re5!
- 1...Sc5
- 1.g8Q?
- threat
- 2.Sg7#
- 2.Qxf4#
- 2.Qhg5#
- 2.Qge6#
- 2.Qgxh7#
- 2.Qhe6#
- 2.Qhxh7#
- 2.Qgg5#
- 1...Bxg3
- 2.Sg7#
- 2.Qhg5#
- 2.Qge6#
- 2.Qgxh7#
- 2.Qhe6#
- 2.Qhxh7#
- 2.Qgg5#
- 1...Bxg8
- 2.Sg7#
- 1...fxg3
- 2.Sg7#
- 2.Qf4#
- 2.Qhg5#
- 2.Qge6#
- 2.Qgxh7#
- 2.Qhe6#
- 2.Qhxh7#
- 2.Qgg5#
- 1...Re4
- 2.Sg7#
- 2.Qhg5#
- 2.Qge6#
- 2.Qgxh7#
- 2.Qhe6#
- 2.Qhxh7#
- 2.Qgg5#
- 1...Re8
- 2.Sg7#
- 2.Qxf4#
- 2.Qhg5#
- 2.Qgxh7#
- 2.Qhxh7#
- 2.Qgg5#
- 1...Bg6
- 2.Sg7#
- 2.Qxf4#
- 2.Qe6#
- 2.Qhxg6#
- 2.Qgxg6#
- 1...Sc5
- 2.Sg7#
- 2.Rf7#
- 2.Qxf4#
- 2.Qhg5#
- 2.Qf7#
- 2.Qgxh7#
- 2.Qf6#
- 2.Qhxh7#
- 2.Qgg5#
- 1...Sf6
- 2.Sg7#
- 2.Qxf4#
- 2.Qhg5#
- 2.Qe6#
- 2.Qxf6#
- 2.Qgg5#
- 1...Sf8
- 2.Sg7#
- 2.Rf7#
- 2.Qxf4#
- 2.Qhg5#
- 2.Qf7#
- 2.Qf6#
- 2.Qgg5#
- 1...Rxg8!
- threat
- 1.g8S?
- threat
- 2.Sg7#
- 2.Se7#
- 1...Bxg8
- 2.Sg7#
- 1...Re8
- 2.Sg7#
- 1...Rxg8!
- threat
- 1.g8B?
- threat
- 2.Sg7#
- 2.Be6#
- 2.Bxh7#
- 1...Bxg8
- 2.Sg7#
- 1...Re8
- 2.Sg7#
- 2.Bxh7#
- 1...Bg6
- 2.Sg7#
- 2.Be6#
- 2.Qxf4#
- 1...Sc5
- 2.Sg7#
- 2.Bxh7#
- 2.Rf7#
- 2.Qf6#
- 1...Sf6
- 2.Sg7#
- 2.Be6#
- 2.Qxf6#
- 1...Sf8
- 2.Sg7#
- 2.Rf7#
- 2.Qf6#
- 1...Rxg8!
- threat
- 1.g8R?
- threat
- 2.Sg7#
- 2.Rg5#
- 2.Qxf4#
- 2.Qg5#
- 2.Qe6#
- 2.Qxh7#
- 1...Bxg3
- 2.Sg7#
- 2.Rg5#
- 2.Qg5#
- 2.Qe6#
- 2.Qxh7#
- 1...Bxg8
- 2.Sg7#
- 1...fxg3
- 2.Sg7#
- 2.Rg5#
- 2.Qf4#
- 2.Qg5#
- 2.Qe6#
- 2.Qxh7#
- 1...Re4
- 2.Sg7#
- 2.Rg5#
- 2.Qg5#
- 2.Qe6#
- 2.Qxh7#
- 1...Re8
- 2.Sg7#
- 2.Rg5#
- 2.Qxf4#
- 2.Qg5#
- 2.Qxh7#
- 1...Bg6
- 2.Sg7#
- 2.Qxf4#
- 2.Qxg6#
- 1...Sc5
- 2.Sg7#
- 2.Rf7#
- 2.Rg5#
- 2.Qxf4#
- 2.Qg5#
- 2.Qf6#
- 2.Qxh7#
- 1...Sf6
- 2.Sg7#
- 2.Rg5#
- 2.Qxf4#
- 2.Qg5#
- 2.Qxf6#
- 1...Sf8
- 2.Sg7#
- 2.Rf7#
- 2.Rg5#
- 2.Qxf4#
- 2.Qg5#
- 2.Qf6#
- 1...Rxg8!
- threat
- 1.Sf6?
- Keys
- 1.Sxf4!
- threat
- 2.Qh5#
- 1...Rxe5
- 2.e4#
- 1...Bxg3
- 2.Sxg3#
- 1...Sxe5
- 2.Rf7#
- 1...Bg6
- 2.Qxg6#
- 1...Sf6
- 2.Qxf6#
- threat
- 1.Sxf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(i);SBLOCK::QAR1(H),XP(e)
- S(h);N_GUARD::QAR1(H),XS(h)
- Tries
- Try
- S(F);
- Threat
- QAR2(H)
- Vars
- R(c);N_GUARD,P_SPINR(c),XP(E)::B(I)
- S(h);OGATEB,P_SPINS(h),XP(E)::B(I),XR(j)
- S(h);OGATE,XS(F)::QAR1(H),XS(h)
- B(i);SBLOCK::QAR1(H),XP(e)
- Refutation
- P(e);XP(C)
- Try
- B(I);CHECK
- Vars
- K(g);S_FLIGHT,XB(I)::QAR1(H),XP(e)
- Refutation
- R(c);XB(I)
- Try
- R(D);
- Threat
- R1(D),XP(e)
- Vars
- P(e);XP(C)::R1(D)
- R(c);N_GUARD::B(I),XR(c)
- Refutation
- B(a);XP(C)
- Try
- R(J);XS(h)
- Threat
- DUALS(2)
- Vars
- R(j);::QAR1(H)
- R(j);P_PINR(J)::QAR1(H)
- R(j);OGATE::PXR(j)=Q
- B(i);SBLOCK::QAR1(H),XP(e)
- B(i);::QAR1(H)
- Refutation
- R(j);CHECK
- Try
- P(C);XP(e)
- Threat
- DUALS(3)
- Vars
- B(i);::QAR1(H)
- Refutation
- B(a);P_PINP(E),XP(C)
- Try
- P(E);CHECK
- Refutation
- R(c);P_SPINR(c)
- Try
- P(K);
- Threat
- DUALS(8)
- Vars
- B(i);XQ(K)::S(F)
- Refutation
- R(j);XQ(K)
- Try
- P(K);
- Threat
- DUALS(2)
- Vars
- B(i);XS(K)::S(F)
- R(j);::S(F)
- Refutation
- R(j);XS(K)
- Try
- P(K);
- Threat
- DUALS(3)
- Vars
- B(i);XB(K)::S(F)
- Refutation
- R(j);XB(K)
- Try
- P(K);
- Threat
- DUALS(6)
- Vars
- B(i);XR(K)::S(F)
- Refutation
- R(j);XR(K)
- Try
- Actual
- S(F);XP(e)
- Threat
- QAR2(H)
- Vars
- R(c);OGATE,P_SPINR(c),XP(E)::P(B)
- B(a);XP(C)::S(A),XB(a)
- S(h);OGATE,P_SPINS(h),XP(E)::R(J)
- B(i);N_GUARD::QAB1(H),XB(i)
- S(h);N_GUARD::QAR1(H),XS(h)
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).