MESON Chess Problem Database
Problem Display
PID: 199535 (8/8/4n3/Qp6/1N1bR3/1P6/8/1KNkB3 w - - 0 1)
Backe, Espen
Backe, Odd Erik
Comm., Suomen Shakki, 1988
#2
7 + 4
SOLUTION
- SOUND
- Tries
- 1.Sba2?
- threat
- 2.Qd2#
- 1...Bc3
- 2.Sxc3#
- 1...b4
- 2.Qh5#
- 1...Be3!
- threat
- 1.Sc2?
- threat
- 2.Qd2#
- 1...Be3
- 2.Sxe3#
- 1...b4
- 2.Qh5#
- 1...Bc3!
- threat
- 1.Sd5?
- threat
- 2.Qd2#
- 1...Bc3
- 2.Sxc3#
- 1...Be3
- 2.Sxe3#
- 1...b4!
- threat
- 1.Qa2?
- threat
- 2.Qc2#
- 2.Qd2#
- 2.Qe2#
- 1...Be3
- 2.Qe2#
- 1...Bc3
- 2.Qc2#
- 2.Qe2#
- 1...Sf4
- 2.Qc2#
- 2.Qd2#
- 1...Bb2!
- threat
- 1.Qxb5?
- threat
- 2.Qe2#
- 2.Qd3#
- 2.Qh5#
- 1...Be3
- 2.Qe2#
- 1...Bc3
- 2.Qe2#
- 2.Qh5#
- 1...Bc5
- 2.Qe2#
- 2.Qd3#
- 1...Be5
- 2.Qe2#
- 2.Qd3#
- 1...Sc5
- 2.Qe2#
- 1...Sg5
- 2.Qe2#
- 2.Qd3#
- 1...Sg7
- 2.Qe2#
- 2.Qd3#
- 1...Sf4!
- threat
- 1.Sba2?
- Keys
- 1.Sbd3!
- threat
- 2.Qd2#
- 1...Bc3
- 2.Sf2#
- 1...Be3
- 2.Sb2#
- 1...b4
- 2.Qh5#
- threat
- 1.Sbd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(E);
- Threat
- QAR1(G)
- Vars
- B(b);N_GUARD::S(E),XB(b)
- P(c);OGATE::QAB(G)
- Refutation
- B(b);
- Try
- S(E);
- Threat
- QAR1(G)
- Vars
- B(b);N_GUARD::S(E),XB(b)
- P(c);OGATE::QAB(G)
- Refutation
- B(b);
- Try
- S(E);
- Threat
- QAR1(G)
- Vars
- B(b);N_GUARD::S(E),XB(b)
- Refutation
- P(c);
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- B(b);::QAB1(G)
- Refutation
- B(b);
- Try
- Q(G);XP(c)
- Threat
- DUALS(3)
- Vars
- B(b);::QAB1(G)
- S(d);::QAB1(G)
- Refutation
- S(d);
- Try
- Actual
- S(E);
- Threat
- QAR1(G)
- Vars
- B(b);N_GUARD::S(E)
- P(c);OGATE::QAB(G)
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).