MESON Chess Problem Database
Problem Display
PID: 244694 (NNn1n3/5p2/p1R2pP1/1p1k1pP1/3p2p1/7p/3PQ3/3R3K w - - 0 1)
Colaneri, Bruno
Sinfonie Scacchistiche, 2015
#2
9 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...Sed6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...fxg6
- 2.Qe6#
- 1...Sb6
- Tries
- 1.Qf3+?
- 1...Ke5
- 2.Sd7#
- 2.Re1#
- 1...gxf3!
- 1...Ke5
- 1.gxf7?
- threat
- 2.Qe6#
- 1...Scd6
- 2.Sb6#
- 1...Sed6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...d3!
- threat
- 1.Qf3+?
- Keys
- 1.Re1!
- 1...fxg5
- 2.Qe5#
- 1...fxg6
- 2.Qe6#
- 1...d3
- 2.Qxd3#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...Sed6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...h2
- 2.Qg2#
- 1...g3
- 2.Qf3#
- 1...b4
- 2.Qc4#
- 1...f4
- 2.Qe4#
- 1...a5
- 2.Qxb5#
- 1...fxg5
- 1.Re1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(j);N_GUARD::S(H),XS(j)
- S(j);N_GUARD::S(H)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(i);N_GUARD,XP(G)::QAB1(D)
- Tries
- Try
- Q(D);CHECK
- Refutation
- P(c);XQ(D)
- Try
- P(G);XP(i)
- Threat
- QAB1(D)
- Vars
- S(j);N_GUARD::S(H)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- Refutation
- P(b);
- Try
- Actual
- R(A);
- Vars
- P(h);N_GUARD,XP(E)::QAR1(D)
- P(i);N_GUARD,XP(G)::QAB1(D)
- P(b);OGATEB::QAR2(D),XP(b)
- S(j);N_GUARD::S(H),XS(j)
- S(j);N_GUARD::S(H)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(a);N_GUARD::QAB(D)
- P(c);N_GUARD::QAB(D)
- P(d);N_GUARD::QAB1(D)
- P(f);N_GUARD::QAB1(D)
- P(g);N_GUARD::QAR2(D),XP(d)
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).