MESON Chess Problem Database
Problem Display
PID: 243126 (4Q3/B1p2p2/p2k2p1/3p1P2/p7/N3N3/1PP5/7K w - - 0 1)
Armeni, Alberto
Sinfonie Scacchistiche, 2015
#2
8 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...d4
- 2.Sac4#
- 1...a5
- 2.Sb5#
- 1...gxf5
- 2.Sxf5#
- 1...c5
- 2.Bb8#
- 1...f6
- 2.Qe6#
- 1...d4
- Tries
- 1.Bd4?
- 1...gxf5
- 2.Sxf5#
- 1...c5
- 2.Be5#
- 1...c6
- 2.Qd8#
- 1...a5
- 2.Sb5#
- 1...f6
- 2.Qe6#
- 1...g5!
- 1...gxf5
- 1.Qd8+?
- 1...Kc6
- 2.Qxd5#
- 1...Ke5!
- 1...Kc6
- 1.b4?
- threat
- 2.Bc5#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...axb4 ep!
- threat
- 1.c4?
- threat
- 2.c5#
- 1...dxc4
- 2.Saxc4#
- 1...c5
- 2.Bb8#
- 1...c6!
- threat
- 1.Bd4?
- Keys
- 1.f6!
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Qe7#
- 1...g5
- 2.Sf5#
- 1...d4
- 2.Sac4#
- 1...a5
- 2.Sb5#
- 1...c5
- 1.f6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- P(b);N_GUARD::S(D)
- P(c);N_GUARD::S(D)
- P(e);XP(F)::S(E),XP(e)
- P(f);OGATEB,SBLOCK::B(G)
- P(g);N_GUARD::QAR1(H)
- Tries
- Try
- B(G);
- Vars
- P(e);XP(F)::S(E),XP(e)
- P(f);SBLOCK::B(G)
- P(f);SBLOCK::QAR2(H)
- P(c);N_GUARD::S(D)
- P(g);N_GUARD::QAR1(H)
- Refutation
- P(e);
- Try
- Q(H);CHECK
- Vars
- K(d);OGATE,P-FLIGHT::QAB1(H),XP(b)
- Refutation
- K(d);S_FLIGHT
- Try
- P(B);
- Threat
- B(G)
- Vars
- P(f);OGATEB::B(G)
- Refutation
- P(a);EP,XP(B)
- Try
- P(C);
- Threat
- P(C)
- Vars
- P(b);XP(C)::S(D),XP(b)
- P(f);OGATEB,SBLOCK::B(G)
- Refutation
- P(f);
- Try
- Actual
- P(F);
- Vars
- P(f);OGATEB,SBLOCK::B(G)
- P(f);SBLOCK::QAB1(H)
- P(e);N_GUARD::S(E)
- P(b);N_GUARD::S(D)
- P(c);N_GUARD::S(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).