MESON Chess Problem Database
Problem Display
PID: 246422 (8/6p1/1p4p1/3B2p1/bB1kP1n1/1p1N2Q1/1K2P1P1/Nn6 w - - 0 1)
Makaronets, Leonid
Europe Echecs, 1995
#2
9 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bb5
- 2.Sxb3#
- 1...Bc6
- 2.Sxb3#
- 1...Bd7
- 2.Sxb3#
- 1...Be8
- 2.Sxb3#
- 1...Sd2
- 2.Bc3#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sf2
- 2.Qxf2#
- 1...Sh2
- 2.Qf2#
- 1...Se3
- 2.Qe5#
- 1...Se5
- 2.Qf2#
- 1...Sf6
- 2.Qf2#
- 1...Sh6
- 2.Qf2#
- 1...b5
- 2.Bc5#
- 1...Bb5
- Tries
- 1.Se1?
- 1...Bb5
- 2.Sxb3#
- 1...Bc6
- 2.Sxb3#
- 1...Bd7
- 2.Sxb3#
- 1...Be8
- 2.Sxb3#
- 1...Sd2
- 2.Qc3#
- 1...Sa3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sf2
- 2.e3#
- 1...Sh2
- 2.e3#
- 1...Se3
- 2.Sf3#
- 1...Se5
- 2.Qf2#
- 2.e3#
- 1...Sf6
- 2.e3#
- 1...Sh6
- 2.e3#
- 1...b5!
- 1...Bb5
- 1.Sc5?
- threat
- 2.Se6#
- 1...Bd7
- 2.Saxb3#
- 2.Scxb3#
- 1...bxc5!
- threat
- 1.Ba5?
- threat
- 2.Bxb6#
- 1...b5
- 2.Bb6#
- 1...bxa5!
- threat
- 1.Qf4?
- 1...b5
- 2.Bc5#
- 1...Bb5
- 2.Sxb3#
- 1...Bc6
- 2.Sxb3#
- 1...Bd7
- 2.Sxb3#
- 1...Be8
- 2.Sxb3#
- 1...Sd2
- 2.Bc3#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sf2
- 2.Qxf2#
- 1...Sh2
- 2.Qf2#
- 1...Se3
- 2.Qe5#
- 1...Se5
- 2.Qf2#
- 1...Sf6
- 2.Qf2#
- 1...Sh6
- 2.Qf2#
- 1...gxf4!
- 1...b5
- 1.Qc7?
- threat
- 2.Qxb6#
- 1...b5
- 2.Bc5#
- 2.Qb6#
- 2.Qc5#
- 2.Qa7#
- 1...Ke3!
- threat
- 1.Qb8?
- threat
- 2.Qxb6#
- 1...b5
- 2.Bc5#
- 2.Qa7#
- 2.Qb6#
- 1...Ke3!
- threat
- 1.Qf3?
- 1...b5
- 2.Bc5#
- 1...Bb5
- 2.Sxb3#
- 1...Bc6
- 2.Sxb3#
- 1...Bd7
- 2.Sxb3#
- 1...Be8
- 2.Sxb3#
- 1...Sd2
- 2.Bc3#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sf2
- 2.Qxf2#
- 1...Sh2
- 2.Qf2#
- 1...Se5
- 2.Qf2#
- 1...Sf6
- 2.Qf2#
- 1...Sh6
- 2.Qf2#
- 1...Se3!
- 1...b5
- 1.Se1?
- Keys
- 1.Se5!
- 1...Sxe5
- 2.Qf2#
- 1...b5
- 2.Sc6#
- 1...Bb5
- 2.Sxb3#
- 1...Bc6
- 2.Sxb3#
- 2.Sxc6#
- 1...Bd7
- 2.Sxb3#
- 1...Be8
- 2.Sxb3#
- 1...Sd2
- 2.Qc3#
- 1...Sa3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sf2
- 2.e3#
- 1...Sh2
- 2.e3#
- 1...Se3
- 2.Sf3#
- 1...Sf6
- 2.e3#
- 1...Sh6
- 2.e3#
- 1...Sxe5
- 1.Se5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- B(c);N_GUARD::S(A),XP(b)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(e);N_GUARD::QAB(F),XS(e)
- S(e);N_GUARD::QAB(F)
- S(e);N_GUARD,SBLOCK::QAB1(F)
- P(g);N_GUARD::B(G)
- Tries
- Try
- S(E);
- Vars
- B(c);N_GUARD::S(A),XP(b)
- S(a);N_GUARD::QAB1(F)
- S(a);N_GUARD::QAB1(F),XS(a)
- S(e);N_GUARD::P(C)
- S(e);SBLOCK::S(E)
- Refutation
- P(g);
- Try
- S(E);
- Threat
- S(E)
- Refutation
- P(g);XS(E)
- Try
- B(G);
- Threat
- B(G),XP(g)
- Vars
- P(g);::B(G)
- Refutation
- P(g);XB(G)
- Try
- Q(F);
- Vars
- P(g);N_GUARD::B(G)
- B(c);N_GUARD::S(A),XP(b)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(e);N_GUARD::QAB(F),XS(e)
- S(e);N_GUARD::QAB(F)
- S(e);N_GUARD,SBLOCK::QAB1(F)
- Refutation
- P(f);XQ(F)
- Try
- Q(F);
- Threat
- QAB(F),XP(g)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(F);
- Threat
- QAB(F),XP(g)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(F);
- Vars
- P(g);N_GUARD::B(G)
- B(c);N_GUARD::S(A),XP(b)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(e);N_GUARD::QAB(F),XS(e)
- S(e);N_GUARD::QAB(F)
- Refutation
- S(e);
- Try
- Actual
- S(E);
- Vars
- S(e);N_GUARD,SBLOCK,XS(E)::QAB(F)
- P(g);S_CUTB(c)::S(E)
- B(c);N_GUARD::S(A),XP(b)
- S(a);N_GUARD::QAB1(F)
- S(a);N_GUARD::QAB1(F),XS(a)
- S(e);N_GUARD::P(C)
- S(e);SBLOCK::S(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).