MESON Chess Problem Database
Problem Display
PID: 101135 (6b1/1Q3p1k/5B2/5qpK/3n2p1/3B2P1/8/8 w - - 0 1)
Mendes de Moraes Filho, Feliciano
Good Companions, 1922
#2
5 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qg6+
- 2.Bxg6#
- 1...Sc2
- 2.Bxf5#
- 1...Se2
- 2.Bxf5#
- 1...Sb3
- 2.Bxf5#
- 1...Sf3
- 2.Bxf5#
- 1...Sb5
- 2.Bxf5#
- 1...Sc6
- 2.Bxf5#
- 1...Se6
- 2.Bxf5#
- 1...Qg6+
- Tries
- 1.Be4?
- 1...Qg6+
- 2.Bxg6#
- 1...Sc2
- 2.Bxf5#
- 1...Se2
- 2.Bxf5#
- 1...Sb3
- 2.Bxf5#
- 1...Sf3
- 2.Bxf5#
- 1...Sb5
- 2.Bxf5#
- 1...Sc6
- 2.Bxf5#
- 1...Se6
- 2.Bxf5#
- 1...Qxe4!
- 1...Qg6+
- 1.Bxd4?
- threat
- 2.Bxf5#
- 1...Qg6+
- 2.Bxg6#
- 1...Qe4
- 2.Bxe4#
- 1...Qxd3!
- threat
- 1.Be4?
- Keys
- 1.Qh1!
- 1...Qg6+
- 2.Kxg4#
- 1...Qxd3
- 2.Kxg5#
- 1...Qe4
- 2.Kxg5#
- 1...Sc2
- 2.Bxf5#
- 1...Se2
- 2.Bxf5#
- 1...Sb3
- 2.Bxf5#
- 1...Sf3
- 2.Bxf5#
- 1...Sb5
- 2.Bxf5#
- 1...Sc6
- 2.Bxf5#
- 1...Se6
- 2.Bxf5#
- 1...Qg6+
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(c);CHECK,OGATE::B(A),XQ(c)
- S(a);N_GUARD::B(A),XQ(c)
- Tries
- Try
- B(A);
- Vars
- Q(c);CHECK,OGATE::B(A),XQ(c)
- S(a);N_GUARD::B(A),XQ(c)
- Refutation
- Q(c);N_SPINQ(c),XB(A)
- Try
- B(D);XS(a)
- Threat
- B(A),XQ(c)
- Vars
- Q(c);CHECK,OGATE::B(A),XQ(c)
- Q(c);OGATEB::B(A),XQ(c)
- Refutation
- Q(c);N_SPINQ(c),XB(A)
- Try
- Actual
- Q(E);N_PINP(e)
- Vars
- Q(c);CHECK::QAR(E)+K(C),XP(b)
- Q(c);N_SPINQ(c),XB(A)::QAR(E)+K(C),XP(d)
- Q(c);::QAR(E)+K(C),XP(d)
- S(a);N_GUARD::B(A),XQ(c)
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).