MESON Chess Problem Database
Problem Display
PID: 86621 (1Q6/2K5/2p1P1N1/2Np1pp1/Bp4Pp/Pp3k1P/3P3R/4B2n w - - 0 1)
Gavriliv, Evgeni M
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
Canadian Chess Chat, 1981
#2
12 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sg3
- 2.Rf2#
- 1...b2
- 2.Bd1#
- 1...bxa3
- 2.Qxb3#
- 1...d4
- 2.Bxc6#
- 1...fxg4
- 2.Qf8#
- 1...f4
- 2.Se5#
- 1...Sg3
- Tries
- 1.Kb6?
- 1...fxg4
- 2.Qf8#
- 1...Sf2
- 2.Rxf2#
- 1...Sg3
- 2.Rf2#
- 1...b2
- 2.Bd1#
- 1...d4
- 2.Bxc6#
- 1...f4
- 2.Se5#
- 1...bxa3!
- 1...fxg4
- 1.Kxc6?
- 1...bxa3
- 2.Qxb3#
- 1...fxg4
- 2.Qf8#
- 1...Sf2
- 2.Rxf2#
- 1...Sg3
- 2.Rf2#
- 1...b2
- 2.Bd1#
- 1...f4
- 2.Se5#
- 1...d4!
- 1...bxa3
- 1.Kd6?
- 1...bxa3
- 2.Qxb3#
- 1...fxg4
- 2.Qf8#
- 1...Sg3
- 2.Rf2#
- 1...b2
- 2.Bd1#
- 1...d4
- 2.Bxc6#
- 1...f4
- 2.Se5#
- 1...Sf2!
- 1...bxa3
- 1.Kb7?
- 1...fxg4
- 2.Qf8#
- 1...Sf2
- 2.Rxf2#
- 1...Sg3
- 2.Rf2#
- 1...b2
- 2.Bd1#
- 1...d4
- 2.Bxc6#
- 1...f4
- 2.Se5#
- 1...bxa3!
- 1...fxg4
- 1.Kc8?
- 1...bxa3
- 2.Qxb3#
- 1...Sf2
- 2.Rxf2#
- 1...Sg3
- 2.Rf2#
- 1...b2
- 2.Bd1#
- 1...d4
- 2.Bxc6#
- 1...f4
- 2.Se5#
- 1...fxg4!
- 1...bxa3
- 1.Kd8?
- 1...bxa3
- 2.Qxb3#
- 1...Sf2
- 2.Rxf2#
- 1...Sg3
- 2.Rf2#
- 1...b2
- 2.Bd1#
- 1...d4
- 2.Bxc6#
- 1...f4
- 2.Se5#
- 1...fxg4!
- 1...bxa3
- 1.Sxh4+?
- 1...Kf4
- 2.Kb6#
- 2.Kxc6#
- 2.Kb7#
- 2.Kd7#
- 2.Kc8#
- 2.Kd8#
- 1...gxh4!
- 1...Kf4
- 1.Bxb3?
- threat
- 2.Bd1#
- 1...Sg3
- 2.Rf2#
- 1...Sf2!
- threat
- 1.Bxc6?
- threat
- 2.Bxd5#
- 1...Sg3
- 2.Rf2#
- 1...Sf2!
- threat
- 1.Qxb4?
- threat
- 2.Se5#
- 2.Qc3#
- 2.Qxb3#
- 1...b2
- 2.Se5#
- 2.Bd1#
- 2.Qc3#
- 2.Qb3#
- 1...d4
- 2.Bxc6#
- 1...Sf2!
- threat
- 1.Qf8?
- threat
- 2.Qxf5#
- 1...Sg3
- 2.Rf2#
- 1...f4
- 2.Se5#
- 1...Sf2!
- threat
- 1.Qh8?
- 1...bxa3
- 2.Qc3#
- 1...fxg4
- 2.Qf6#
- 2.Qf8#
- 1...Sg3
- 2.Rf2#
- 1...b2
- 2.Bd1#
- 1...d4
- 2.Bxc6#
- 1...f4
- 2.Se5#
- 1...Sf2!
- 1...bxa3
- 1.axb4?
- 1...fxg4
- 2.Qf8#
- 1...Sg3
- 2.Rf2#
- 1...b2
- 2.Bd1#
- 1...d4
- 2.Bxc6#
- 1...f4
- 2.Se5#
- 1...Sf2!
- 1...fxg4
- 1.e7?
- 1...bxa3
- 2.Qxb3#
- 1...fxg4
- 2.Qf8#
- 1...Sg3
- 2.Rf2#
- 1...b2
- 2.Bd1#
- 1...d4
- 2.Bxc6#
- 1...f4
- 2.Se5#
- 1...Sf2!
- 1...bxa3
- 1.Kb6?
- Keys
- 1.Kd7!
- 1...bxa3
- 2.Qxb3#
- 1...fxg4
- 2.Qf8#
- 1...Sf2
- 2.Rxf2#
- 1...Sg3
- 2.Rf2#
- 1...b2
- 2.Bd1#
- 1...d4
- 2.Bxc6#
- 1...f4
- 2.Se5#
- 1...bxa3
- 1.Kd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD,SBLOCK::R1(C)
- P(b);OGATE::B(F)
- P(d);OGATE,XP(D)::QAR(L),XP(b)
- P(f);OGATEB::B(F),XP(i)
- P(g);OGATEB,XP(G)::QAR(L)
- P(g);SBLOCK::S(J)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- P(g);OGATEB,XP(G)::QAR(L)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(b);OGATE::B(F)
- P(f);OGATEB::B(F),XP(i)
- P(g);SBLOCK::S(J)
- Refutation
- P(d);XP(D)
- Try
- K(K);P-FLIGHT,XP(i)
- Vars
- P(d);OGATE,XP(D)::QAR(L),XP(b)
- P(g);OGATEB,XP(G)::QAR(L)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(b);OGATE::B(F)
- P(g);SBLOCK::S(J)
- Refutation
- P(f);
- Try
- K(K);S_FLIGHT
- Vars
- P(d);OGATE,XP(D)::QAR(L),XP(b)
- P(g);OGATEB,XP(G)::QAR(L)
- S(a);N_GUARD,SBLOCK::R1(C)
- P(b);OGATE::B(F)
- P(f);OGATEB::B(F),XP(i)
- P(g);SBLOCK::S(J)
- Refutation
- S(a);
- Try
- K(K);P-FLIGHT
- Vars
- P(g);OGATEB,XP(G)::QAR(L)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(b);OGATE::B(F)
- P(f);OGATEB::B(F),XP(i)
- P(g);SBLOCK::S(J)
- Refutation
- P(d);XP(D)
- Try
- K(K);P-FLIGHT
- Vars
- P(d);OGATE,XP(D)::QAR(L),XP(b)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(b);OGATE::B(F)
- P(f);OGATEB::B(F),XP(i)
- P(g);SBLOCK::S(J)
- Refutation
- P(g);XP(G)
- Try
- K(K);S_FLIGHT
- Vars
- P(d);OGATE,XP(D)::QAR(L),XP(b)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(b);OGATE::B(F)
- P(f);OGATEB::B(F),XP(i)
- P(g);SBLOCK::S(J)
- Refutation
- P(g);XP(G)
- Try
- S(J);CHECK,XP(e)
- Refutation
- P(h);XS(J)
- Try
- B(F);XP(b)
- Threat
- B(F)
- Vars
- S(a);N_GUARD,SBLOCK::R1(C)
- Refutation
- S(a);
- Try
- B(F);P_PINP(f),XP(i)
- Threat
- B(F),XP(f)
- Vars
- S(a);N_GUARD,SBLOCK::R1(C)
- Refutation
- S(a);
- Try
- Q(L);XP(d)
- Threat
- DUALS(3)
- Vars
- P(f);OGATEB::B(F),XP(i)
- Refutation
- S(a);
- Try
- Q(L);P_PINP(g)
- Threat
- QAR2(L),XP(g)
- Vars
- S(a);N_GUARD,SBLOCK::R1(C)
- P(g);::S(J)
- Refutation
- S(a);
- Try
- Q(L);
- Vars
- P(d);N_GUARD,XP(D)::QAR(L)
- S(a);N_GUARD,SBLOCK::R1(C)
- P(b);OGATE::B(F)
- P(f);OGATEB::B(F),XP(i)
- P(g);SBLOCK::S(J)
- Refutation
- S(a);
- Try
- P(D);XP(d)
- Vars
- P(g);OGATEB,XP(G)::QAR(L)
- S(a);N_GUARD,SBLOCK::R1(C)
- P(b);OGATE::B(F)
- P(f);OGATEB::B(F),XP(i)
- P(g);SBLOCK::S(J)
- Refutation
- S(a);
- Try
- P(I);
- Vars
- P(d);OGATE,XP(D)::QAR(L),XP(b)
- P(g);OGATEB,XP(G)::QAR(L)
- S(a);N_GUARD,SBLOCK::R1(C)
- P(b);OGATE::B(F)
- P(f);OGATEB::B(F),XP(i)
- P(g);SBLOCK::S(J)
- Refutation
- S(a);
- Try
- Actual
- K(K);P-FLIGHT
- Vars
- P(d);OGATE,XP(D)::QAR(L),XP(b)
- P(g);OGATEB,XP(G)::QAR(L)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(b);OGATE::B(F)
- P(f);OGATEB::B(F),XP(i)
- P(g);SBLOCK::S(J)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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