MESON Chess Problem Database
Problem Display
PID: 86805 (q7/3r1r2/1Q3p1R/1PPkn1R1/1p1N1P2/3P1N1K/2n5/1b5B w - - 0 1)
Pilchenko, Viacheslav Karlovich
2nd Prize, Uralski Problemist, 2003
#2
11 + 9
| 6490 | yacpdb | 2009 |
| 15174 | FIDE Album (2001-2003) | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Qxc6#
- 1...Qa1
- 2.Qc6#
- 1...Qa2
- 2.Qc6#
- 1...Qa3
- 2.Qc6#
- 1...Qa4
- 2.Qc6#
- 1...Qa5
- 2.Qc6#
- 1...Qa7
- 2.Qc6#
- 1...Qb8
- 2.Qc6#
- 1...Qd8
- 2.Qc6#
- 1...Qe8
- 2.Qc6#
- 1...Qf8
- 2.Qc6#
- 1...Qg8
- 2.Qc6#
- 1...Qh8
- 2.Qc6#
- 1...Rd6
- 2.Qxd6#
- 1...Ra7
- 2.Qd6#
- 1...Rb7
- 2.Qc6#
- 2.Qd6#
- 1...Rc7
- 2.Qd6#
- 1...Rde7
- 2.Qd6#
- 1...Qc6
- Tries
- 1.Sxc2?
- threat
- 2.Se3#
- 2.Sxb4#
- 2.Sfe1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sfd4#
- 2.Sh4#
- 2.Sxe5#
- 1...fxg5
- 2.Se3#
- 2.Sxb4#
- 2.Sxe5#
- 1...Qc6
- 2.Sfd4#
- 2.Qxc6#
- 1...Rd6
- 2.Sfd4#
- 2.Qxd6#
- 1...Qa3
- 2.Se3#
- 2.Sfe1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sfd4#
- 2.Sh4#
- 2.Sxe5#
- 2.Qc6#
- 1...Qa4
- 2.Se3#
- 2.Sfe1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sfd4#
- 2.Sh4#
- 2.Sxe5#
- 2.Qc6#
- 1...Qa5
- 2.Se3#
- 2.Sfe1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sfd4#
- 2.Sh4#
- 2.Sxe5#
- 2.Qc6#
- 1...b3
- 2.Se3#
- 2.Sb4#
- 2.Sfe1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sfd4#
- 2.Sh4#
- 2.Sxe5#
- 1...f5
- 2.Se3#
- 2.Sxb4#
- 2.Sxe5#
- 1...Bxc2!
- threat
- 1.Se2?
- threat
- 2.Se1#
- 2.Sfg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sfd4#
- 2.Sh4#
- 2.Sxe5#
- 1...fxg5
- 2.Sxe5#
- 1...Qc6
- 2.Sfd4#
- 2.Qxc6#
- 1...Rd6
- 2.Sfd4#
- 2.Qxd6#
- 1...Se1
- 2.Sxe1#
- 1...Sd4
- 2.Sfxd4#
- 1...f5
- 2.Sxe5#
- 1...Se3!
- threat
- 1.Sb3?
- threat
- 2.Se1#
- 2.Sg1#
- 2.Sfd2#
- 2.Sh2#
- 2.Sfd4#
- 2.Sh4#
- 2.Sxe5#
- 1...fxg5
- 2.Sxe5#
- 2.Qe6#
- 1...Qc6
- 2.Sfd4#
- 2.Qxc6#
- 1...Rd6
- 2.Sfd4#
- 2.Qxd6#
- 1...Se1
- 2.Sxe1#
- 1...Sd4
- 2.Sfxd4#
- 1...f5
- 2.Sxe5#
- 2.Qe6#
- 1...Se3!
- threat
- 1.Sf5?
- threat
- 2.Sxe5#
- 1...Sxd3
- 2.Sd2#
- 2.Se5#
- 1...Sxf3
- 2.Bxf3#
- 1...Rd6
- 2.Qxd6#
- 1...Sc6
- 2.S3d4#
- 1...Se3
- 2.Sxe3#
- 1...Se1
- 2.Se3#
- 1...Sd4
- 2.Se3#
- 1...Sc4
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.S3d4#
- 2.S3h4#
- 2.Se5#
- 2.Se3#
- 2.Se7#
- 1...Sg4
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.S3d4#
- 2.S3h4#
- 2.Se5#
- 2.Se3#
- 2.Se7#
- 1...Sg6
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.S3d4#
- 2.S3h4#
- 2.Se5#
- 2.Se3#
- 2.Se7#
- 1...Qc6!
- threat
- 1.Se6?
- threat
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sfd4#
- 2.Sh4#
- 2.Sxe5#
- 1...fxg5
- 2.Sxe5#
- 1...Qc6
- 2.Sfd4#
- 2.Qxc6#
- 1...Rd6
- 2.Sfd4#
- 2.Qxd6#
- 1...Se1
- 2.Sxe1#
- 1...Sd4
- 2.Sfxd4#
- 1...f5
- 2.Sxe5#
- 1...Se3!
- threat
- 1.Sxc2?
- Keys
- 1.Sc6!
- threat
- 2.Sfd4#
- 1...Ke6
- 2.Rxe5#
- 1...Qxc6
- 2.Qxc6#
- 1...fxg5
- 2.Sfxe5#
- 1...Se3
- 2.Sxb4#
- 1...Se1
- 2.Sxb4#
- 1...Sd4
- 2.Sfxd4#
- 2.Sxb4#
- 1...f5
- 2.Sfxe5#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 16
- Sets
- Q(i);N_GUARD::QAB1(J),XQ(i)
- Q(i);N_GUARD::QAB1(J)
- Q(i);N_GUARD,P_PINR(K)::QAB1(J)
- R(g);N_GUARD::QAR1(J),XR(g)
- R(g);N_GUARD::QAR1(J)
- Tries
- Try
- S(E);XS(b)
- Threat
- DUALS(9)
- Refutation
- B(a);XS(E)
- Try
- S(E);
- Threat
- DUALS(7)
- Vars
- P(f);N_SPINS(e),XR(I)::B(A)+S(C),XS(e)
- S(b);::B(A)+S(C),XS(b)
- P(f);N_SPINS(e)::B(A)+S(C),XS(e)
- Refutation
- S(b);
- Try
- S(E);
- Threat
- DUALS(7)
- Vars
- S(b);::B(A)+S(C),XS(b)
- Refutation
- S(b);
- Try
- S(E);N_PINS(e)
- Threat
- B(A)+S(C),XS(e)
- Vars
- S(e);OGATE,P_SPINS(e),XS(C)::B(A),XS(e)
- R(g);N_GUARD::QAR1(J),XR(g)
- S(e);N_GUARD::B(A)+S(C)
- S(b);N_GUARD::S(E),XS(b)
- S(b);N_GUARD::S(E)
- Refutation
- Q(i);
- Try
- S(E);
- Threat
- DUALS(7)
- Vars
- P(f);N_SPINS(e),XR(I)::B(A)+S(C),XS(e)
- S(b);::B(A)+S(C),XS(b)
- P(f);N_SPINS(e)::B(A)+S(C),XS(e)
- Refutation
- S(b);
- Try
- Actual
- S(E);
- Threat
- B(A)+S(C)
- Vars
- K(d);N_SPINS(e),P_SPINP(f),S_FLIGHT::R1(I),XS(e)
- Q(i);OGATE,XS(E)::QAB1(J),XQ(i)
- P(f);N_SPINS(e),XR(I)::B(A)+S(C),XS(e)
- S(b);N_GUARD::S(E),XP(c)
- P(f);N_SPINS(e)::B(A)+S(C),XS(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).