MESON Chess Problem Database
Problem Display
PID: 93189 (3B1b2/p1NN2PK/1p1k1rB1/PP6/8/1p2Q2p/5P1q/3r4 w - - 0 1)
Benoit, Marc
Arbejder-Skak, 1960
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rb1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rc1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Re1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rf1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rg1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rh1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Qxd3#
- 1...Rd4
- 2.Qxd4#
- 1...Rxf2
- 2.Qe6#
- 1...Rf3
- 2.Qe6#
- 1...Rf4
- 2.Qe6#
- 1...Rf5
- 2.Qe6#
- 1...Re6
- 2.Qxe6#
- 1...Rf7
- 2.Qe6#
- 1...Be7
- 2.Qxe7#
- 1...Bxg7
- 2.Qe7#
- 1...Ra1
- Tries
- 1.Se8+?
- 1...Kd5
- 2.Qe4#
- 1...Kxd7!
- 1...Kd5
- 1.Sxf6?
- threat
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qxf2
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Bxg7
- 2.Sce8#
- 2.Qe7#
- 1...bxa5
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Rd4
- 2.Qxd4#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Ra1
- 2.Sce8#
- 2.Qd4#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qg1
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qg3
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qf4
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qh1
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qg2
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Rb1
- 2.Sce8#
- 2.Qd4#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Rc1
- 2.Sce8#
- 2.Qd4#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Re1
- 2.Sce8#
- 2.Qd4#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Rf1
- 2.Sce8#
- 2.Qd4#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Rg1
- 2.Sce8#
- 2.Qd4#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Rh1
- 2.Sce8#
- 2.Qd4#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Rd2
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Rd3
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Rd5
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Be7
- 2.Sce8#
- 2.Qxe7#
- 1...b2
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...a6
- 2.Sce8#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qe5!
- threat
- 1.gxf8Q+?
- 1...Rxf8
- 2.Qe6#
- 2.Qe7#
- 1...Kxd7!
- 1...Rxf8
- 1.gxf8S?
- threat
- 2.Qe7#
- 1...Qe5
- 2.Qxe5#
- 1...Re1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Re6
- 2.Qxe6#
- 1...Rf7+!
- threat
- 1.gxf8B+?
- 1...Rxf8
- 2.Qe6#
- 2.Qe7#
- 1...Kxd7!
- 1...Rxf8
- 1.Se8+?
- Keys
- 1.Bf5!
- 1...Rh6+
- 2.Qxh6#
- 1...Qxf2
- 2.Qe5#
- 1...Rxf5
- 2.Qe6#
- 1...Bxg7
- 2.Qe7#
- 1...bxa5
- 2.Qc5#
- 1...Re6
- 2.Qxe6#
- 1...Qe5
- 2.Qxe5#
- 1...Qg1
- 2.Qf4#
- 2.Qe5#
- 1...Qg3
- 2.Qxg3#
- 1...Qf4
- 2.Qxf4#
- 1...Qh1
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Qg2
- 2.Qf4#
- 2.Qe5#
- 1...Ra1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rb1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rc1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Re1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rf1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rg1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rh1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Qxd3#
- 1...Rd4
- 2.Qxd4#
- 1...Rd5
- 2.Se8#
- 1...Rg6
- 2.gxf8Q#
- 2.gxf8B#
- 1...Rf7
- 2.Qe6#
- 1...Be7
- 2.Qxe7#
- 1...b2
- 2.Qa3#
- 1...a6
- 2.Qxb6#
- 1...Rh6+
- 1.Bf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 3
- Sets
- R(a);N_GUARD::QAR(B),XR(a)
- R(a);N_GUARD::QAR2(B),XR(a)
- R(g);N_GUARD,XP(A)::QAR1(B)
- R(g);N_GUARD::QAR1(B)
- R(g);N_GUARD::QAR1(B),XR(g)
- R(g);N_GUARD,P_PINP(H)::QAR1(B)
- B(i);N_GUARD::QAB1(B),XB(i)
- B(i);N_GUARD,XP(H)::QAB1(B)
- Tries
- Try
- S(F);CHECK
- Vars
- K(f);P-FLIGHT::QAB1(B)
- Refutation
- K(f);P-FLIGHT,XS(G)
- Try
- S(G);XR(g)
- Threat
- DUALS(3)
- Refutation
- Q(b);
- Try
- P(H);CHECK,XB(i)
- Refutation
- K(f);P-FLIGHT,XS(G)
- Try
- P(H);XB(i)
- Threat
- QAB1(B)
- Vars
- Q(b);N_GUARD::QAB1(B),XQ(b)
- R(g);N_GUARD::QAR1(B),XR(g)
- Refutation
- R(g);CHECK
- Try
- P(H);CHECK,XB(i)
- Refutation
- K(f);P-FLIGHT,XS(G)
- Try
- Actual
- B(E);
- Vars
- R(g);CHECK,OGATEB::QAR(B),XR(g)
- Q(b);N_GUARD,XP(A)::QAB1(B)
- R(g);N_GUARD,XB(E)::QAR1(B)
- B(i);N_GUARD,XP(H)::QAB1(B)
- P(e);N_GUARD,XP(C)::QAB1(B)
- R(g);N_GUARD::QAR1(B),XR(g)
- Q(b);N_GUARD::QAB1(B),XQ(b)
- Q(b);N_GUARD::QAB(B),XQ(b)
- R(a);N_GUARD::QAR(B),XR(a)
- R(a);N_GUARD::QAR2(B),XR(a)
- R(a);SBLOCK::S(F)
- R(g);N_GUARD::PXB(i)=Q
- R(g);N_GUARD,P_PINP(H)::QAR1(B)
- B(i);N_GUARD::QAB1(B),XB(i)
- P(c);OGATE::QAB(B)
- P(h);N_GUARD::QAR2(B),XP(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).