MESON Chess Problem Database
Problem Display
PID: 245238 (1N1n1K2/1p2P3/2Ppk3/q6b/4PQ2/8/8/2r5 w - - 0 1)
Banny, Dimitry Nikolaevich
64 Shakhmatnoe obozrenie, 1968
#2
6 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Qf5#
- 2.exd8S#
- 1...Qd2
- 2.Qf5#
- 2.exd8S#
- 1...Qc3
- 2.Qf5#
- 2.exd8S#
- 1...Qb4
- 2.Qf5#
- 2.exd8S#
- 1...Qb6
- 2.Qf5#
- 1...Qc7
- 2.Qf5#
- 1...Qa1
- 2.Qf5#
- 2.exd8S#
- 1...Qa2
- 2.Qf5#
- 2.exd8S#
- 1...Qa3
- 2.Qf5#
- 2.exd8S#
- 1...Qa4
- 2.Qf5#
- 2.exd8S#
- 1...Qb5
- 2.exd8S#
- 1...Qc5
- 2.exd8S#
- 1...Qd5
- 2.exd8S#
- 1...Qe5
- 2.exd8S#
- 1...Qf5+
- 2.Qxf5#
- 1...Qa6
- 2.Qf5#
- 2.exd8S#
- 1...Qa7
- 2.Qf5#
- 2.exd8S#
- 1...Qa8
- 2.Qf5#
- 2.exd8S#
- 1...Bd1
- 2.e8Q#
- 2.e8R#
- 1...Be2
- 2.e8Q#
- 2.e8R#
- 1...Bf3
- 2.e8Q#
- 2.e8R#
- 1...Bg4
- 2.e8Q#
- 2.e8R#
- 1...Sf7
- 2.e8Q#
- 2.e8R#
- 1...b5
- 2.Qf5#
- 1...b6
- 2.exd8S#
- 1...Qe1
- Tries
- 1.exd8Q?
- threat
- 2.Qfxd6#
- 2.Qdf6#
- 2.Qe7#
- 2.Qff6#
- 2.Qdxd6#
- 2.Qd7#
- 2.Qc8#
- 1...Qf5+
- 2.Qxf5#
- 1...Rxc6
- 2.Qdf6#
- 2.Qe7#
- 2.Qff6#
- 2.Qd7#
- 1...Qd2
- 2.Qdf6#
- 2.Qe7#
- 2.Qf5#
- 2.Qff6#
- 2.Qd7#
- 2.Qc8#
- 1...Qc3
- 2.Qfxd6#
- 2.Qe7#
- 2.Qf5#
- 2.Qdxd6#
- 2.Qd7#
- 2.Qc8#
- 1...Qb4
- 2.Qdf6#
- 2.Qe7#
- 2.Qf5#
- 2.Qff6#
- 2.Qd7#
- 2.Qc8#
- 1...Qc7
- 2.Qdf6#
- 2.Qf5#
- 2.Qff6#
- 1...Qa1
- 2.Qfxd6#
- 2.Qe7#
- 2.Qf5#
- 2.Qdxd6#
- 2.Qd7#
- 2.Qc8#
- 1...Qa3
- 2.Qdf6#
- 2.Qe7#
- 2.Qf5#
- 2.Qff6#
- 2.Qd7#
- 2.Qc8#
- 1...Qc5
- 2.Qdf6#
- 2.Qe7#
- 2.Qff6#
- 2.Qd7#
- 2.Qc8#
- 1...Qd5
- 2.Qdf6#
- 2.Qe7#
- 2.Qff6#
- 2.Qd7#
- 2.Qc8#
- 1...Qe5
- 2.Qe7#
- 2.Qd7#
- 2.Qc8#
- 1...Qg5
- 2.Qfxd6#
- 2.Qdxd6#
- 2.Qd7#
- 2.Qc8#
- 1...Rd1
- 2.Qdf6#
- 2.Qe7#
- 2.Qff6#
- 2.Qd7#
- 2.Qc8#
- 1...Rf1
- 2.Qdf6#
- 2.Qe7#
- 2.Qxd6#
- 2.Qd7#
- 2.Qc8#
- 1...Be8
- 2.Qfxd6#
- 2.Qdf6#
- 2.Qe7#
- 2.Qff6#
- 2.Qdxd6#
- 2.Qxe8#
- 1...d5
- 2.Qfd6#
- 2.Qdf6#
- 2.Qe7#
- 2.Qf5#
- 2.Qff6#
- 2.Qdd6#
- 2.Qd7#
- 2.Qc8#
- 1...Qxd8+!
- threat
- 1.e8S?
- threat
- 2.Sg7#
- 2.Qxd6#
- 2.Qf6#
- 1...Qf5+
- 2.Qxf5#
- 1...Rxc6
- 2.Sg7#
- 2.Qf6#
- 1...Qd2
- 2.Sc7#
- 2.Sg7#
- 2.Qf5#
- 2.Qf6#
- 1...Qc3
- 2.Sc7#
- 2.Qxd6#
- 2.Qf5#
- 1...Qb4
- 2.Sc7#
- 2.Sg7#
- 2.Qf5#
- 2.Qf6#
- 1...Qc7
- 2.Sxc7#
- 2.Qf5#
- 2.Qf6#
- 1...Qa1
- 2.Sc7#
- 2.Qxd6#
- 2.Qf5#
- 1...Qa3
- 2.Sc7#
- 2.Sg7#
- 2.Qf5#
- 2.Qf6#
- 1...Qc5
- 2.Sc7#
- 2.Sg7#
- 2.Qf6#
- 1...Qd5
- 2.Sc7#
- 2.Sg7#
- 2.Qf6#
- 1...Qe5
- 2.Sc7#
- 1...Qg5
- 2.Sc7#
- 2.Qxd6#
- 1...Rd1
- 2.Sg7#
- 2.Qf6#
- 1...Rf1
- 2.Sg7#
- 1...Rg1
- 2.Qxd6#
- 2.Qf6#
- 1...Sf7
- 2.Sg7#
- 2.Qf6#
- 1...d5
- 2.Sg7#
- 2.Qd6#
- 2.Qf5#
- 2.Qf6#
- 1...Bxe8!
- threat
- 1.e8B?
- threat
- 2.Bd7#
- 1...Qf5+
- 2.Qxf5#
- 1...Qc7
- 2.Qf5#
- 1...Bxe8!
- threat
- 1.exd8Q?
- Keys
- 1.c7!
- threat
- 2.exd8S#
- 1...Qf5+
- 2.Qxf5#
- 1...Qxc7
- 2.Qf5#
- 1...Qg5
- 2.cxd8S#
- 1...Sc6
- 2.c8Q#
- 2.c8B#
- 1...Sf7
- 2.e8Q#
- 2.e8R#
- threat
- 1.c7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- Q(b);N_GUARD::QAB1(B)
- Q(b);N_GUARD::PXS(g)=S
- Q(b);CHECK,N_GUARD::QAB1(B),XQ(b)
- B(c);N_GUARD::P=Q
- S(g);S_CUTB(c)::P=Q
- P(f);S_CUTQ(b)::QAB1(B)
- P(f);S_CUTQ(b)::PXS(g)=S
- Tries
- Try
- P(D);XS(g)
- Threat
- DUALS(7)
- Vars
- Q(b);CHECK,N_GUARD::QAB1(B),XQ(b)
- Refutation
- Q(b);CHECK,XQ(D)
- Try
- P(D);
- Threat
- DUALS(3)
- Vars
- Q(b);CHECK,N_GUARD::QAB1(B),XQ(b)
- Q(b);N_GUARD::S(D)
- R(a);P_PINQ(B)::S(D)
- Refutation
- B(c);XS(D)
- Try
- P(D);
- Threat
- B(D)
- Vars
- Q(b);CHECK,N_GUARD::QAB1(B),XQ(b)
- Q(b);N_GUARD::QAB1(B)
- Refutation
- B(c);XB(D)
- Try
- Actual
- P(C);
- Threat
- PXS(g)=S
- Vars
- Q(b);CHECK,N_GUARD::QAB1(B),XQ(b)
- Q(b);N_GUARD,XP(C)::QAB1(B)
- Q(b);N_GUARD::PXS(g)=S
- S(g);S_CUTR(a)::P=Q
- S(g);S_CUTB(c)::P=Q
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).