MESON Chess Problem Database
Problem Display
PID: 2711 (8/8/4K3/8/n3kb2/1N3N1p/5Q2/6n1 w - - 0 1)
Anonymous
Source?, 0000
#2
4 + 5
| 1679 | American Chess Nuts | 1868 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sc5+
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sb2
- Tries
- 1.Sxg1?
- threat
- 2.Qd4#
- 2.Qf3#
- 1...Sc5+
- 2.Sxc5#
- 1...Be3
- 2.Qf5#
- 1...Be5
- 2.Qf3#
- 1...Kd3!
- threat
- 1.Se5?
- threat
- 2.Qd4#
- 1...Sc5+
- 2.Sxc5#
- 1...Be3
- 2.Qf5#
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Bxe5!
- threat
- 1.Sxg1?
- Keys
- 1.Se1!
- threat
- 2.Qd4#
- 1...Sc5+
- 2.Sxc5#
- 1...Be3
- 2.Qf5#
- 1...Be5
- 2.Sd2#
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- threat
- 1.Se1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- S(c);N_GUARD::S(B)
- S(c);CHECK,N_GUARD::S(B),XS(c)
- Tries
- Try
- S(C);XS(a)
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,N_GUARD::S(B),XS(c)
- B(e);OGATE,SBLOCK::QAB1(A)
- B(e);::QAB1(A)
- Refutation
- K(d);S_FLIGHT
- Try
- S(C);
- Threat
- QAR1(A)
- Vars
- S(c);CHECK,N_GUARD::S(B),XS(c)
- B(e);OGATE,SBLOCK::QAB1(A)
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- Refutation
- B(e);XS(C)
- Try
- Actual
- S(C);
- Threat
- QAR1(A)
- Vars
- S(c);CHECK,N_GUARD::S(B),XS(c)
- B(e);OGATE,SBLOCK::QAB1(A)
- B(e);N_GUARD::S(B)
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(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).