MESON Chess Problem Database
Problem Display
PID: 6983 (1Q3r2/pP6/k7/p1P5/2NKP2b/1P6/8/5B2 w - - 0 1)
Mansfield, Comins
Grantham Journal, 1935
#2
8 + 5
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Rxb8
- 2.Sd6#
- 1...Rc8
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Se5#
- 2.Sb6#
- 2.Sd6#
- 2.bxc8Q#
- 2.bxc8B#
- 1...Rd8+
- 2.Sd6#
- 1...Re8
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Se5#
- 2.Sb6#
- 2.Sd6#
- 1...Rg8
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Se5#
- 2.Sb6#
- 2.Sd6#
- 1...Rh8
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Se5#
- 2.Sb6#
- 2.Sd6#
- 1...Bf2+
- 2.Se3#
- 1...Bf6+
- 2.Se5#
- 1...Rxb8
- Tries
- 1.Qxa7+?
- 1...Kb5
- 2.Qb6#
- 1...Kxa7!
- 1...Kb5
- 1.Qxa7+?
- Keys
- 1.Qc8!
- threat
- 2.Qc6#
- 1...Rd8+
- 2.Sd6#
- 1...Bf2+
- 2.Se3#
- 1...Bf6+
- 2.Se5#
- 1...Kb5
- 2.b8Q#
- 2.b8R#
- 1...Rxc8
- 2.Sd6#
- 1...Rf6
- 2.b8Q#
- 2.b8R#
- 1...Bd8
- 2.b8Q#
- 2.b8R#
- threat
- 1.Qc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(e);N_GUARD,XQ(H)::B(A)+S(C)
- R(e);CHECK,N_GUARD::B(A)+S(C)
- B(a);CHECK,S_CUTR(e)::B(A)+S(C)
- Tries
- Try
- Q(H);CHECK,XP(d)
- Vars
- K(c);S_FLIGHT::QAR1(H)
- Refutation
- K(c);P-FLIGHT,XQ(H)
- Try
- Actual
- Q(H);
- Threat
- QAR2(H)
- Vars
- R(e);CHECK,N_GUARD::B(A)+S(C)
- B(a);CHECK,S_CUTR(e)::B(A)+S(C)
- K(c);S_FLIGHT::P=Q
- R(e);N_GUARD,XQ(H)::B(A)+S(C)
- R(e);N_GUARD::P=Q
- B(a);S_CUTR(e)::P=Q
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).