MESON Chess Problem Database
Problem Display
PID: 41188 (2K2nB1/R2pP3/2Nk2b1/2R5/N3prp1/7Q/3q4/8 w - - 0 1)
Pilchenko, Viacheslav Karlovich
3rd Prize, Themes-64, 1985
#2
8 + 8
| 3748 | FIDE Album (1983-1985) | 1992 |
| 102 | Probleemblad | 2005 |
| 133 | The Problemist Supplement | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Bf5
- 2.exf8Q#
- 2.exf8B#
- 2.e8S#
- 1...Bh7
- 2.e8S#
- 1...Se6
- 2.Rxd7#
- 1...Sh7
- 2.Rxd7#
- 1...Bf5
- Tries
- 1.Rd5+?
- 1...Kxc6
- 2.Ra6#
- 2.Rc7#
- 1...Qxd5!
- 1...Kxc6
- 1.Qg3?
- threat
- 2.exf8Q#
- 2.exf8B#
- 1...dxc6
- 2.exf8Q#
- 2.exf8B#
- 1...Qc1
- 2.exf8Q#
- 2.exf8B#
- 1...Qe1
- 2.Qxf4#
- 2.exf8Q#
- 2.exf8B#
- 1...Qc3
- 2.exf8Q#
- 2.exf8B#
- 1...Qe3
- 2.exf8Q#
- 2.exf8B#
- 1...Qb4
- 2.Qxf4#
- 2.exf8Q#
- 2.exf8B#
- 1...Qa5
- 2.Qxf4#
- 2.exf8Q#
- 2.exf8B#
- 1...Qd1
- 2.Qxf4#
- 2.exf8Q#
- 2.exf8B#
- 1...Qa2
- 2.Qxf4#
- 2.exf8Q#
- 2.exf8B#
- 1...Qb2
- 2.exf8Q#
- 2.exf8B#
- 1...Qc2
- 2.Qxf4#
- 2.exf8Q#
- 2.exf8B#
- 1...Qe2
- 2.Qxf4#
- 2.exf8Q#
- 2.exf8B#
- 1...Qf2
- 2.exf8Q#
- 2.exf8B#
- 1...Qg2
- 2.Qxf4#
- 2.exf8Q#
- 2.exf8B#
- 1...Qh2
- 2.exf8Q#
- 2.exf8B#
- 1...Qd3
- 2.Qxf4#
- 2.exf8Q#
- 2.exf8B#
- 1...Qd4
- 2.exf8Q#
- 2.exf8B#
- 1...Qd5
- 2.exf8Q#
- 2.exf8B#
- 1...Bf5
- 2.exf8Q#
- 2.exf8B#
- 2.e8S#
- 1...Bh5
- 2.exf8Q#
- 2.exf8B#
- 1...Bh7
- 2.exf8Q#
- 2.exf8B#
- 2.e8S#
- 1...Be8
- 2.exf8Q#
- 2.exf8B#
- 1...Se6
- 2.Rxd7#
- 1...Sh7
- 2.Rxd7#
- 1...e3
- 2.Qxf4#
- 2.exf8Q#
- 2.exf8B#
- 1...Bf7!
- threat
- 1.Qh6?
- threat
- 2.e8S#
- 1...Rf6
- 2.Qxd2#
- 1...Se6
- 2.Rxd7#
- 1...Rf7!
- threat
- 1.e8Q?
- threat
- 2.Qe5#
- 2.Qe7#
- 1...Qc3
- 2.Qe7#
- 1...Qb2
- 2.Qe7#
- 1...Qd4
- 2.Qe7#
- 1...Qd5
- 2.Qe7#
- 1...Rf5
- 2.Qe7#
- 1...Rf7
- 2.Qe5#
- 1...Se6
- 2.Rxd7#
- 2.Qxd7#
- 2.Qe7#
- 1...Bxe8!
- threat
- 1.Rd5+?
- Keys
- 1.Qb3!
- threat
- 2.Qb8#
- 1...Qb4
- 2.Qd5#
- 1...Qa5
- 2.Qd5#
- 1...Qb2
- 2.Qd5#
- 1...Rf7
- 2.e8S#
- 1...Bf7
- 2.exf8Q#
- 2.exf8B#
- 1...Se6
- 2.Rxd7#
- threat
- 1.Qb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- B(f);N_GUARD::P=S
- S(h);N_GUARD::R1(E),XP(g)
- Tries
- Try
- R(C);CHECK
- Refutation
- Q(a);XR(C)
- Try
- Q(A);P_PINR(c)
- Threat
- PXS(h)=Q
- Vars
- P(g);XS(D)::PXS(h)=Q
- Q(a);::PXS(h)=Q
- B(f);::PXS(h)=Q
- S(h);N_GUARD::R1(E),XP(g)
- Refutation
- B(f);
- Try
- Q(A);P_PINB(f)
- Threat
- P=S
- Vars
- R(c);N_SPINB(f),OGATE::QAR(A),XQ(a)
- S(h);N_GUARD,N_SPINB(f)::R1(E),XP(g)
- Refutation
- R(c);
- Try
- P(F);
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB1(F)
- R(c);::QAB1(F)
- Refutation
- B(f);XQ(F)
- Try
- Actual
- Q(A);
- Threat
- QAB(A)
- Vars
- Q(a);N_GUARD::QAR1(A)
- R(c);S_CUTB(f)::P=S
- B(f);S_CUTR(c)::PXS(h)=Q
- S(h);N_GUARD::R1(E),XP(g)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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