MESON Chess Problem Database
Problem Display
PID: 56665 (5N2/2b1B3/4B3/4k2b/3ppp2/8/K7/4Q3 w - - 0 1)
Lamy, CS
Bulletin de la FFE, 1922
#2
5 + 6
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Qxa5#
- 1...Bb8
- 2.Qa5#
- 1...d3
- 2.Qc3#
- 2.Qa1#
- 1...f3
- 2.Qg3#
- 1...Ba5
- Tries
- 1.Qh4?
- threat
- 2.Qg5#
- 2.Qf6#
- 2.Qxh5#
- 1...d3
- 2.Qf6#
- 1...Bd1
- 2.Qg5#
- 2.Qf6#
- 2.Qh8#
- 1...Be2
- 2.Qg5#
- 2.Qf6#
- 2.Qh8#
- 1...Bf3
- 2.Qg5#
- 2.Qf6#
- 2.Qh8#
- 1...Bg4
- 2.Qf6#
- 2.Qh8#
- 1...Bg6
- 2.Qf6#
- 2.Qh8#
- 1...Bf7
- 2.Qg5#
- 2.Qf6#
- 2.Qh8#
- 1...Be8
- 2.Qg5#
- 2.Qf6#
- 2.Qh8#
- 1...f3
- 2.Qg3#
- 2.Qg5#
- 2.Qf6#
- 2.Qh2#
- 1...e3!
- threat
- 1.Qh4?
- Keys
- 1.Qh1!
- threat
- 2.Qxh5#
- 1...d3
- 2.Qa1#
- 1...f3
- 2.Qh2#
- 1...Bd1
- 2.Qh8#
- 1...Be2
- 2.Qh8#
- 1...Bf3
- 2.Qh8#
- 1...Bg4
- 2.Qh8#
- 1...Bg6
- 2.Qh8#
- 1...Bf7
- 2.Qh8#
- 1...Be8
- 2.Qh8#
- 1...e3
- 2.Qd5#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 2
- Sets
- B(f);N_GUARD::QAR(A),XB(f)
- B(f);N_GUARD::QAR(A)
- P(c);OGATEB::QAB(A)
- Tries
- Try
- Q(A);N_PINP(b)
- Threat
- DUALS(3)
- Vars
- P(a);::QAB1(A)
- Refutation
- P(b);
- Try
- Actual
- Q(A);N_PINP(b)
- Threat
- QAR(A),XB(e)
- Vars
- P(a);OGATEB::QAB(A)
- P(c);OGATEB::QAB(A)
- B(e);OGATE::QAB(A)
- B(e);OGATE,P_PINB(C)::QAB(A)
- P(b);OGATE::QAR1(A)
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).